Common use of Cash Settlement Option Clause in Contracts

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOCUTWATER 2014-I, Ltd. By: Tall Tree Investment ManagementLtd., LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOKVK CLO 2013-1, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Ltd By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxxxxxx Title: Officer Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, KVK CLO 2016-1 Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOXXXXXX FOUNDATION HOSPITALS BY: Ares Management LLC, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager as portfolio manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOATRIUM XI BY: Credit Suisse Asset Management, Ltd. LLC, as portfolio manager By: Tall Tree Investment /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Credit Suisse Asset Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSENIOR LOANS MATURITY 2020, Ltd. ByLTD. BY: Tall Tree Xxxxxx, Xxxxxx & Company, L.P., Its Investment ManagementManager Xxxxxx, LLC As Collateral Manager Xxxxxx & Company , L.P., Its General Partner By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Title: Officer Vice President, Legal and Compliance Analyst If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOAMMC CLO XIV, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager LIMITED By: /s/ Xxxxxxx Xxxxx X. Xxxxxxxx Xxxxx Name: Xxxxxxx Xxxxx X. Xxxxxxxx Xxxxx Title: Officer Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOXXXX CLO 3, Ltd. By: Tall Tree Investment ManagementLimited XXXX CLO 3, LLC As Collateral Manager Limited By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Title: Officer Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): XXXX Group, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ares XXXIV CLO Ltd. By: Tall Tree Investment ManagementAres CLO Management LLC, LLC As Collateral Manager its collateral manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOVenture XXV CLO Limited By its Investment Advisor, Ltd. By: Tall Tree Investment Management, MJX Asset Management LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxxxxx Xxxxxx Title: Officer Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): MJX Asset Management Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x o CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO XIV, Ltd. By: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Xxxxxx’x Point Funding ULC By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Scotiabank Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x o CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOXXXX CLO 2, Ltd. By: Tall Tree Investment ManagementLimited XXXX CLO 2, LLC As Collateral Manager Limited By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Title: Officer Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): XXXX Group, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO VIII, Ltd. ByBY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove AIMCO CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Series 2017-A By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Authorized Signatory Name of Fund Manager (if any): By: Allstate Investment Management Company as Collateral Manager Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. Stichting Pensioenfonds Hoogovens By: Tall Tree Investment ManagementAres Capital Management III LLC, LLC As Collateral its Asset Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Xxxxxx QIF Fund plc (in respect of Xxxxxx Multi- Asset Credit Fund) By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorised Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOATRIUM VIII BY: Credit Suisse Asset Management, Ltd. LLC, as portfolio manager BY: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Managing Director If a second signature is necessary: By: Tall Tree Investment Name: Title: Name of Fund Manager (if any): Credit Suisse Asset Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOAMMC CLO 19, Ltd. ByLIMITED BY: Tall Tree Investment ManagementAmerican Money Management Corp., LLC As as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxx Title: Officer Senior Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): American Money Management Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOCUTWATER 2015-I, Ltd. By: Tall Tree Investment ManagementLtd., LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO V, Ltd. ByBY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO II, Ltd. ByLtd BY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment ManagementWatford Asset Trust I by Highbridge Principal Strategies, LLC As Collateral as its Investment Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Xxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Xxxx Title: Officer Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): HPS Investment Partners, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. CVP CLO 2017-2 Ltd By: Tall Tree CVP CLO Advisors, LLC, as Investment Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Partner If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Credit Value Partners LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove AIMCO CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Series 2015-A By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Authorized Signatory Name of Fund Manager (if any): By: Allstate Investment Management Company as Collateral Manager Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. Atrium XIII By: Tall Tree Investment Credit Suisse Asset Management, LLC, as portfolio manager By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Credit Suisse Asset Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOCUTWATER 2014-II, Ltd. By: Tall Tree Investment ManagementLtd., LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Cutwater Investor Services Corp. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOABS Loans 2007 Limited, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager a subsidiary of Xxxxxxx Sachs Institutional Funds II PLC By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Xxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Xxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Cedar Funding II CLO Ltd By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx Xxxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx Xxxxxxxxx Title: Officer Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOCovenant Credit Partners CLO II, Ltd. By: Tall Tree Investment Management, LLC As Collateral /s/ Xxxxx Xxxxxxx Name: Xxxxx Xxxxxxx Title: Assistant Portfolio Manager If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Covenant Credit Partners, LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOXXXX CLO 1, Ltd. By: Tall Tree Investment ManagementLimited XXXX CLO 1, LLC As Collateral Manager Limited By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Title: Officer Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): XXXX Group, LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, Credit Suisse Loan Funding LLC As Collateral Manager By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO X, Ltd. By: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. CCP Loan Funding LLC By: Tall Tree Investment ManagementCitibank, LLC As Collateral Manager N.A., By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Xxx Xxxx CLO Ltd. By: Tall Tree Investment Management, Virtus Partners LLC As as Collateral Manager Administrator By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): GSO Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO XV, Ltd. By: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove AIMCO CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Series 2014-A By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Authorized Signatory Name of Fund Manager (if any): By: Allstate Investment Management Company as Collateral Manager Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOAres Institutional Credit Fund, Ltd. LP By: Tall Tree Investment ManagementAres Institutional Credit GP LLC, LLC As Collateral Manager its general partner By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove Cedar Funding IV CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Ltd By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx Xxxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx Xxxxxxxxx Title: Officer Associate Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Virtus Partners LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. Atrium XII By: Tall Tree Investment Credit Suisse Asset Management, LLC, as portfolio manager By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Managing Director If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Credit Suisse Asset Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOState of Wisconsin Investment Board BY: Xxxxxx, Ltd. By: Tall Tree Xxxxxx & Company, L.P., Its Investment ManagementManager Xxxxxx Xxxxxx & Company, LLC As Collateral Manager Incorporated, Its General Partner By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Title: Officer Vice President, Legal and Compliance Analyst If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, KVK CLO 2014-3 Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Tuolumne Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO III, Ltd. ByLtd BY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. Xxxxxx Xxxxxx Senior Floating Rate & Fixed Income Fund By: Tall Tree Xxxxxx, Xxxxxx & Company, L.P., Its Investment Management, LLC As Collateral Manager By: Xxxxxx, Xxxxxx & Company, Incorporated, Its General Partner By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Title: Officer Vice President, Legal and Compliance Analyst If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, KVK CLO 2015-1 Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. Lord Xxxxxx Investment Trust - Lord Xxxxxx Floating Rate Fund By: Tall Tree Lord Xxxxxx & Co LLC, As Investment Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Title: Officer Portfolio Manager, Taxable Fixed Income If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Lord Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOInternationale Kapitalanlagegesellschaft mbH for account of INKA GOPK, Ltd. Segment GOPK HY By: Tall Tree Investment ManagementPGIM, LLC As Collateral Inc., as Fund Manager By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): PGIM, Inc. Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, KVK CLO 2014-1 Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ares XXXVII CLO Ltd. By: Tall Tree Investment ManagementAres CLO Management LLC, LLC As Collateral Manager its asset manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO VI, Ltd. ByBY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. WM Pool - High Yield Fixed Interest Trust By: Tall Tree Xxxxxx, Xxxxxx & Company, L.P., its Investment Management, LLC As Collateral Manager By: Xxxxxx, Xxxxxx & Company, Incorporated, its General Partner By: /s/ Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxx XxXxxxxx Title: Officer Vice President, Legal and Compliance Analyst If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxxxxx Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ares XXXV CLO Ltd. By: Tall Tree Investment ManagementAres CLO Management LLC, LLC As Collateral Manager its asset manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Ares Management LLC Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager KVK CLO 2013-2 LTD. By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxx Xxxxxxxxx Title: Officer Vice President If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager Highland Floating Rate Opportunities Fund By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Highland Capital Management, L.P. (Institutional) Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Nelder Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOOFSI BSL VIII, Ltd. By: Tall Tree Investment OFS CLO Management, LLC As Its: Management and Originator Series, as Collateral Manager By: /s/ Xxxxxxx Xxxx X. Xxxxxxxx Xxxxxx Name: Xxxxxxx Xxxx X. Xxxxxxxx Xxxxxx Title: Officer Director Name of Fund Manager (if any): Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLOSound Point CLO IV, Ltd. ByLtd BY: Tall Tree Investment Sound Point Capital Management, LLC As LP as Collateral Manager By: /s/ Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Name: Xxxxxxx X. Xxxxxxxx Xxxxxx Xxxxxx Title: Officer Authorized Signatory If a second signature is necessary: By: Name: Title: Name of Fund Manager (if any): Sound Point Capital Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager ALLSTATE INSURANCE COMPANY By: /s/ Xxxxx Xxxxxxx X. Xxxxxxxx Name: Xxxxx Xxxxxxx X. Xxxxxxxx Title: Officer Authorized Signatory By: /s/ Xxxx Xxxx Name: Xxxx Xxxx Title: Authorized Signatory Name of Fund Manager (if any): N/A Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.

Cash Settlement Option. The undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and having 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender repaid on the Fifth Amendment Effective Date and to purchase by assignment Tranche C Term Loans in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to allocate Tranche C Term Loans to such Existing Tranche B Term Lender or to allocate less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans in Tranche C Term Loans. Lockwood Grove CLO, KVK CLO 2014-2 Ltd. By: Tall Tree Investment Management, LLC As Collateral Manager /s/ Xxxxx Xxxxxxxxx Name: Xxxxx Xxxxxxxxx Title: Vice President If a second signature is necessary: By: /s/ Xxxxxxx X. Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Officer Name of Fund Manager (if any): Xxxxxx Xxx Xxxx Credit Strategies LP Exhibit A [Form of Lender Signature Page to Amendment] The undersigned, a Lender holding Tranche B Term Loans (“you”), hereby consents to the Fifth Amendment to that certain First Lien Credit Agreement, dated as of August 20, 2015 (as amended, amended and restated, supplemented or otherwise modified prior to the date hereof, including by an Increase Supplement dated as of November 30, 2015, by the First Amendment to First Lien Credit Agreement dated as of November 30, 2015, by an Increase Supplement dated as of October 5, 2016, by the Second Amendment to First Lien Credit Agreement dated as of October 5, 2016, by an Increase Supplement dated as of January 31, 2017, by the Third Amendment to First Lien Credit Agreement dated as of January 31, 2017 and by the Fourth Amendment to the First Lien Credit Agreement dated as of August 14, 2017, the “Existing First Lien Credit Agreement”), among LBM BORROWER, LLC, a Delaware limited liability company (the “Borrower”), LBM MIDCO, LLC, a Delaware limited liability company (“Holding”), the Lenders party hereto and CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”) and the Lenders party thereto, which is proposed to be dated on or around February 15, 2018 and to be entered into among the Borrower, Holding, the several banks and financial institutions parties thereto as Lenders and the Administrative Agent (the “Amendment”) and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment. Capitalized terms used and not otherwise defined herein shall have the respective meanings given to such terms in the Amendment or the Existing First Lien Credit Agreement, as applicable. If you are an Existing Tranche B Term Lender, you, if and only if you indicate below, hereby irrevocably and unconditionally approve of, and consent to, the Amendment, and to the attachment of this Existing Tranche B Term Lender Signature Page to the Amendment, and hereby agree that all parties to the Amendment are express third party beneficiaries of this Existing Tranche B Term Lender Signature Page to the Amendment and hereby further agree as follows: [Check ONLY ONE of the two boxes below] x CASHLESS ROLLOVER OPTION Each undersigned Existing Tranche B Term Lender hereby irrevocably and unconditionally approves of, and consents to, the Amendment and the exchange (on a cashless basis) of 100% of the outstanding principal amount of the Tranche B Term Loans held by such Existing Tranche B Term Lender for a Tranche C Term Loan in a like principal amount. By choosing this option, each undersigned Existing Tranche B Term Lender hereby (i) acknowledges and agrees that the Administrative Agent may, in its sole discretion, elect not to exchange any amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans or to exchange (on a cashless basis) less than 100% of the principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans for Tranche C Term Loans, in which case the difference between the current principal amount of such Existing Tranche B Term Lender’s Tranche B Term Loans and the allocated principal amount of Tranche C Term Loans will be prepaid on, and subject to the occurrence of, the Fifth Amendment Effective Date and (ii) agrees to the terms of the “Cashless Roll Letter” posted on or around the date hereof to each Existing Tranche B Term Lender and shall be a party to such “Cashless Roll Letter”, and be bound thereby, for all purposes hereof and thereof.