Common use of Xxxxxxxx Clause in Contracts

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II

Xxxxxxxx. Name: Xxxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. ByTitle: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Senior Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoSIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT THE SUMITOMO TRUST & BANKING CO., Inc. LTD., NEW YORK BRANCH By: /s/ Xxxx Xxxxxxxxx X. Xxxxxx ------------------------------------ Xxxxx ------------------------------- Name: Xxxx Xxxxxxxxx X. Xxxxxx Xxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. SIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT TEXTRON FINANCIAL CORPORATION By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ ------------------------------- Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 Director SIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT US BANK NATIONAL ASSOCIATION (formerly known as MERCANTILE BANK NATIONAL ASSOCIATION and formerly known as FIRSTAR BANK) By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Xxxx X. Xxxxxxx ------------------------------- Name: Xxxx X. Xxxxxxx Title: Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 President SIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT XXX XXXXXX PRIME RATE INCOME TRUST BY: XXX XXXXXX INVESTMENT ADVISORY CORP By: /s/ Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 ------------------------------- Name: Xxxxxx X. Xxxxxx 00 Title: Executive Director XXX XXXXXX SENIOR INCOME TRUST BY: XXX XXXXXX INVESTMENT ADVISORY CORP By: /s/ Xxxxxx X. Xxxxxx ------------------------------- Name: Xxxxxx X. Xxxxxx Title: Executive Director XXX XXXXXX CLO I, LIMITED BY: XXX XXXXXX INVESTMENT ADVORSY CORP, as Collateral Manager By: /s/ Xxxxxx X. Xxxxxx ------------------------------- Name: Xxxxxx X. Xxxxxx Title: Executive Director XXX XXXXXX CLO II, LIMITED BY: XXX XXXXXX INVESTMENT ADVORSY CORP, as Collateral Manager By: /s/ Xxxxxx X. Xxxxxx ------------------------------- Name: Xxxxxx X. Xxxxxx Title: Executive Director SIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT ZERMATT CBO LIMITED (by UBS AG, New York Branch, as its Collateral Manager) By: /s/ Xxxxxx X. Xxxxxx ---------------------------- Name: Xxxxxx X. Xxxxxx Title: Executive Director By: /s/ Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Castin ---------------------------- Name: Xxxxxx Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IICastin Title: Executive Director SIGNATURE PAGES TO FIFTH AMENDMENT TO CREDIT AGREEMENT EXHIBIT 5.16

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. JPMORGAN CHASE BANK NEW YORK INTERNATIONAL FACILITY (IBF) as Swingline Lender By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member X.X. XXXXXXXX KBC BANK NV as Lender By: ----------------------------------- Its: Rosewood Stone GroupXXXX XXXXX XXXXXX BROTHERS BANKHAUS AG, Inc. LONDON BRANCH as Lender By: ------------------------------------ Its: Boston Safe Deposit XXXX XXXXX LLOYDS TSB BANK PLC as Lender and Trust Company as Trustee of the U S WEST Pension Trust Swingline Lender By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company XXXXXX XXXX MIZUHO CORPORATE BANK, LTD. as Trustee of the U S WEST Benefit Assurance Trust Lender By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. P.H.C. HOLE NATIONAL AUSTRALIA BANK LIMITED ABN 12 004 044 937as Lender By: /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. XXXXXX XXXXX Back to Index 110 SANPAOLO IMI BANK IRELAND PLC as Lender By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. XXXX XXXXX STANDARD CHARTERED BANK as Lender By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. XXXXXXX X. XXXXXX XXXXXXX X. XXXXX SUMITOMO MITSUI BANKING CORPORATION EUROPE LIMITED as Lender By: /s/ Xxxxxxx XXXXXXX X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 XXXXX TD BANK EUROPE LIMITED as Lender By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx XxXXXXX XXXXX THE BANK OF NEW YORK as Lender By: XXXXXX X. XXXXXX THE BANK OF TOKYO-MITSUBISHI, LTD. Vice Presidentas Lender By: I.R. XXXXXX-XXXX THE ROYAL BANK OF SCOTLAND PLC as Lender By: XXXXX XXXXXXXX THE ROYAL BANK OF SCOTLAND PLC (NEW YORK BRANCH) as Swingline Lender By: XXXXX XXXXXXXX UBS AG, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx XxxxxxLONDON BRANCH as Lender By: XXXX XXXXX Back to Index 111 UBS AG, 00xx Xxxxx XxxxxxGRAND CAYMAN BRANCH as Swingline Lender By: XXXX XXXXX XXXXXX XX, XX 00000 Polaris Venture PartnersXXXXXX BRANCH as Lender By: A.L.R. XXXXXXX WESTLB AG, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust NEW YORK BRANCH as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust Swingline Lender By: A.L.R. XXXXXXX XXXXXXX STREET COMMITMENT CORPORATION as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IILender By: XXXXXXXX XXXX Agent THE ROYAL BANK OF SCOTLAND PLC By: XXXXX XXXXXXXX U.S. Swingline Agent THE ROYAL BANK OF SCOTLAND PLC (NEW YORK BRANCH) By: XXXXX XXXXXXXX

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx Michxxx X. Xxxxxxxx /s/ Address: 3125 Xxxxxxxx Xxxxx --------------------------------------- Xxxx Xxxxxxxx, Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco00000 17 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT MERCANTILE BANK OF NORTHERN ILLINOIS, Inc. TRUSTEE OF THE CONSECO STOCK OPTION DIRECTOR PLAN FBO MICHXXX XXXXXXXX #00590033 By: /s/ Xxxx KATHX X. Xxxxxx ------------------------------------ XXXXXXX --------------------------------------- Name: Xxxx Kathx X. Xxxxxx Xxxxxxx ------------------------------------- Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesTrust Officer ------------------------------------ Address: P.O. Xxx 00 Xxxxxxxx, Inc. ByXxxxxxxx 00000 Copy to: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoMichxxx X. Xxxxxxxx 3125 Xxxxxxxx Xxxx Xxxxxxxx, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx AssociatesXxxxxxxx 00000 18 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT MERCANTILE BANK OF NORTHERN ILLINOIS, Inc. TRUSTEE OF THE CONSECO STOCK OPTION DIRECTOR PLAN FBO MICHXXX XXXXXXXX #00590034 By: /s/ Xxxxxxx KATHX X. Xxxxxx ------------------------------------ XXXXXXX --------------------------------------- Name: Kathx X. Xxxxxxx X. Xxxxxx ------------------------------------- Title: Treasurer DatedTrust Officer ------------------------------------ Address: June 13P.O. Xxx 00 Xxxxxxxx, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICAXxxxxxxx 00000 Copy to: Michxxx X. Xxxxxxxx 3125 Xxxxxxxx Xxxx Xxxxxxxx, SEPARATE ACCOUNT NUMBER VCA-GA-5298 Xxxxxxxx 00000 19 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT /s/ KAROX XXXX --------------------------------------------- Karox Xxxx Address: 1750 Xxxx Xxxx Xxxx Xxxxx 000 Xxxxxxxxxx, Xxxxxxxx 00000 20 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT /s/ VAL XXXXX --------------------------------------------- Val Xxxxx Address: 1750 Xxxx Xxxx Xxxx Xxxxx 000 Xxxxxxxxxx, Xxxxxxxx 00000 21 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT TURKEY VULTURE FUND XIII, LTD. By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice PresidentRICHXXX X. XXXXXXX ------------------------------------------ Name: Richxxx X. Xxxxxxx ---------------------------------------- Title: Manager --------------------------------------- Address: 7001 Xxxxxx Xxxxxx Xxxxxx, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine Xxxx 00000 Attention: Richxxx X. Xxxxxxx Copy to: Kohrxxx Xxxkxxx & Equity Financing 000 Xxxxxxx Xranxx, X.L.L. 1375 Xxxx Xxxxx Xxxxxx One Xxxxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxxxxx, Xxxx 00000 Attention: Marc X. Xxxxxx 22 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT /s/ MARC X. XXXXXX --------------------------------------------- Marc X. Xxxxxx Address: Kohrxxx Xxxkxxx & Xranxx, X.L.L. 1375 Xxxx Xxxxx Xxxxxx One Xxxxxxxxx Xxxxxx, XX 00xx Xxxxx Xxxxxxxxx, Xxxx 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx 23 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT KRANTZ FAMILY LIMITED PARTNERSHIP By: /s/ BYROX X. XXXXXX ------------------------------------------ Byrox X. Xxxxxx, xxs General Partner Address: Kohrxxx Xxxkxxx & Xranxx, X.L.L. 1375 Xxxx Xxxxx 0000 Xxxxxx One Xxxxxxxxx Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, 00xx Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxx 00000 MEDICAL MUTUAL OF OHIO By: /s/ ROBEXX X. XXXXXXX ---------------------------------------- Name: Robexx X. Xxxxxxx -------------------------------------- Title: Corporate Secretary ------------------------------------- Address: 2060 Xxxx Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX Xxxx 00000 Xxxxxx Attention: General Counsel 25 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT UNITED PAYORS AND UNITED PROVIDERS, INC. By: /s/ S. JOSEXX XXXXX ---------------------------------------- Name: S. Josexx Xxxxx -------------------------------------- Title: Vice President and CFO ------------------------------------- Address: 2275 Xxxxxxxx Xxxx. 0xx Xxxxx Xxxxxxxxx, Xxxxxxxx 00000 Attention: Joe Xxxx 26 SIGNATURE PAGE TO STOCKHOLDERS AGREEMENT /s/ HOWAXX X. XXXXXX --------------------------------------------- Howaxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIAddress:

Xxxxxxxx. Name: Xxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentTitle: Vice President By: /S/ XXXXXX XXXXXXX ----------------------------------- Name: Xxxxxx Xxxxxxx Title: Vice President USOL HOLDINGS, INC. PREFERRED STOCK REGISTRATION RIGHTS AGREEMENT GMAC COMMERCIAL MORTGAGE CORPORATION By: /S/ XXXXXX X. XXXXXX ----------------------------------- Name: Xxxxxx X. Xxxxxx Title: Executive Vice President PARIBAS NORTH AMERICA, INC. By: /S/ XXXX X. XXXXXXXX ----------------------------------- Name: Xxxx X. Xxxxxxxx Title: Financial Controller PEREGINE EQUITIES 1, L.L.C. By: XxxxxxxPeregrine Equities Holdings, Xxxxxx & Xxxxxxxxx GroupLLC, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone GroupPeregrine Capital, Inc. Inc., Member By: ------------------------------------ Its/S/ XXX XXXX ----------------------------------- Name: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust Xxx Xxxx Title: President PEREGINE EQUITIES 2, L.L.C. By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust Peregrine Equities Holdings, LLC, Member By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoPeregrine Capital, Inc. Inc., Member By: /s/ Xxxx X. Xxxxxx ------------------------------------ /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesPEREGINE EQUITIES 3, Inc. L.L.C. By: ------------------------------------ Peregrine Equities Holdings, LLC, Member By: Peregrine Capital, Inc., Member By: /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoPresident PEREGINE EQUITIES 4, Inc. L.L.C. By: ------------------------------------ Peregrine Equities Holdings, LLC, Member By: Peregrine Capital, Inc., Member By: /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx Title: Xxxxxx/Xxxxxx AssociatesPresident USOL HOLDINGS, Inc. INC. PREFERRED STOCK REGISTRATION RIGHTS AGREEMENT PEREGINE EQUITIES 5, L.L.C. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Peregrine Equities Holdings, LLC, Member By: Peregrine Capital, Inc., Member By: /S/ XXX XXXX ----------------------------------- Name: Xxxxxxx X. Xxxxxx Xxx Xxxx Title: Treasurer Dated: June 13President PEREGINE EQUITIES 6, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 L.L.C. By: /s/ Peregrine Equities Holdings, LLC, Member By: Peregrine Capital, Inc., Member By: /S/ XXX XXXX ----------------------------------- Name: Xxx XxXxxxx ---------------------------------- Xxxx Title: President PEREGINE EQUITIES 7, L.L.C. By: Peregrine Equities Holdings, LLC, Member By: Peregrine Capital, Inc., Member By: /S/ XXX XXXX ----------------------------------- Name: Xxx XxXxxxx XxXxxx Title: President PEREGINE EQUITIES 8, L.L.C. By: Peregrine Capital, Inc., Manager By: /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx Title: President PEREGINE EQUITIES 9, L.L.C. By: Peregrine Capital, Inc., Manager By: /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx Title: President PEREGINE EQUITIES 10, L.L.C. By: Peregrine Capital, Inc., Manager By: /S/ XXX XXXX ----------------------------------- Name: Xxx Xxxx Title: President USOL HOLDINGS, INC. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx PREFERRED STOCK REGISTRATION RIGHTS AGREEMENT /S/ XXXXXX XXXXXX ----------------------------------- Xxxxxx Xxxxxx /S/ XXX XXXXX ----------------------------------- Xxx Xxxxx /S/ XXXXX XXXXXX ----------------------------------- Rosewood Partners L.P. By: W. Xxxxx Xxxxxx, XX 00000 Polaris Venture PartnersGeneral Partner /S/ XXXXX XXXXXX ----------------------------------- Xxxxx Xxxxxx /S/ W. XXXXXX XXXXXXXX ----------------------------------- Xxxxxxxx Family Trust UAD 7/7/94 By: W. Xxxxxx Xxxxxxxx, L.P. Trustee /S/ XXXXX XXXXXX ----------------------------------- Xxxxx Xxxxxx /S/ XXXXXX XXXXXXXXXX ----------------------------------- Xxxxxx Xxxxxxxxxx /S/ XXX XXXXXXX ----------------------------------- Xxx Xxxxxxx /S/ XXXXX XXXXX ----------------------------------- Xxxxx Xxxxx for FMH LLP /S/ XXX XXXXXXX ----------------------------------- Xxx Xxxxxxx USOL HOLDINGS, INC. PREFERRED STOCK REGISTRATION RIGHTS AGREEMENT /S/ XXXX XXXXXXXX ----------------------------------- Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx /S/ XXXX XXXXXXXX ----------------------------------- By: Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Custodian FBO Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, S.E.P. /S/ XXXXXXXX XXXXXXXX ----------------------------------- Xxxxxxxx Xxxxxxxx /S/ XXXXXX XXXXXXX ----------------------------------- Xxxxxx Xxxxxxx /S/ XXXXX XXXXXXXX ----------------------------------- Xxxxx 000 Xxxxxxxx /S/ XXXXXX XXXXXX ----------------------------------- Xxxxxx Xxxxxx /S/ XXXXX XXXXXXXXX ----------------------------------- Xxxxx Xxxxx By: Xxxxx Xxxxxxxxx, XX 00000 ComdiscoAttorney-in- Fact /S/ XXX XXXXX ----------------------------------- Xxxxx Investment, Inc. L.P. By: Xxx Xxxxxx Xxxxxxxxx Park Suite 302 NewtonXxxxx /S/ XXXXXXX XXXXX ----------------------------------- Xxxxxxx Xxxxx /S/ G. XXXXX XXXXXXX ----------------------------------- G. Xxxxx Xxxxxxx USOL HOLDINGS, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., XxxINC. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIPREFERRED STOCK REGISTRATION RIGHTS AGREEMENT SCHEDULE A SHAREHOLDERS

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee By executing this agreement the attorney states that the attorney has received no notice of revocation of the U S WEST Pension Trust Bypower of attorney under power of attorney dated 22 February 2019 in the presence of: ------------------------------------ Xxxxxxx /s/ Xxxxx X. Xxxx Vice President Boston Safe Deposit Xxxxxxxxxxxxxx Signature of witness /s/ Xxxxx X. Xxxxxxxxxxxxxx Name of witness (block letters) XXXXX FARGO BANK, NATIONAL ASSOCIATION, as Lender, Administrative Agent and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. Collateral Agent By: /s/ Xxxx X. Xxxxxx ------------------------------------ Xxxxx Xxxxxxxxx Name: Xxxx X. Xxxxxx Xxxxx Xxxxxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesBANK OF AMERICA, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoN.A., Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. as Lender By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Xxxxxxxx Name: Xxxxxxx X. Xxxxxxxx Title: Senior Vice President CITIBANK, N.A., as Lender By: /s/ Xxxxxxxxxxx Xxxxxx Name: Xxxxxxxxxxx Xxxxxx Title: Treasurer DatedVice President and Director XXXXXXX SACHS BANK USA, as Lender By: June 13/s/ Xxxx Xxxxxxxxx Name: Xxxx Xxxxxxxxx Title: Authorized Signatory CREDIT SUISSE AG, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR CAYMAN ISLANDS BRANCH, as Lender By: /s/ Xxxxxxxxxxx Xxx Name: Xxxxxxxxxxx Xxx Title: Authorized Signatory By: /s/ Xxxxx Xxxxxxx Name: Xxxxx Xxxxxxx Title: Authorized Signatory ROYAL BANK OF CANADA, as Lender By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Authorized Signatory BARCLAYS BANK PLC, as Lender By: /s/ Xxxxx Xxxxxxxx Name: Xxxxx Xxxxxxxx Title: Managing Director Annex A Composite Credit Agreement [see attached] Annex A to Consent and Amendment No. 2 to Revolving Syndicated Facility Agreement $550,000,000 REVOLVING SYNDICATED FACILITY AGREEMENT dated as of September 22, 2017, among TRONOX US HOLDINGS INC., and certain of its Subsidiaries and Affiliates, as U.S. Borrowers and Guarantors, TRONOX LIMITED (ACN 153 348 111) and certain of its Subsidiaries, as Australian Borrowers and Guarantors, TRONOX PIGMENTS (HOLLAND) B.V. and certain of its Affiliates, as Dutch Borrowers and Guarantors, and THE PRUDENTIAL INSURANCE COMPANY OTHER GUARANTORS PARTY HERETO, as Guarantors, THE LENDERS PARTY HERETO, XXXXX FARGO BANK, NATIONAL ASSOCIATION, as Issuing Bank, Swingline Lender, Administrative Agent and Collateral Agent, XXXXX FARGO BANK, NATIONAL ASSOCIATION, as Australian Security Trustee, BANK OF AMERICA, SEPARATE ACCOUNT NUMBER VCAN.A. and CITIBANK, N.A., as Co-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice PresidentSyndication Agents, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx XxxxxxXXXXXXX XXXXX BANK USA, 00xx Xxxxx Xxxxxxas Documentation Agent, XX 00000 Polaris Venture Partnersand XXXXX FARGO BANK, L.P. Xxx Xxxx Xxxxxx XxxxxxNATIONAL ASSOCIATION, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx XxxxCITIGROUP GLOBAL MARKETS INC., Xxx. 000 XxxxxxxxXXXXXXX XXXXX BANK USA, Xxx Xxxx 00000 Benefit Capital Management Corporation and BANK OF AMERICA, N.A., as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Joint Lead Arrangers and Bookmanagers TABLE OF CONTENTS Section E-2 Xxxxxxx, XX 00000 Schedule IIPage ARTICLE I DEFINITIONS 2

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee By executing this agreement the attorney states that the attorney has received no notice of revocation of the U S WEST Pension Trust Bypower of attorney under power of attorney dated 15 September 2017 in the presence of: ------------------------------------ Xxxxxxx Xxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee Xxxxxxxxxxxxxx Signature of the U S WEST Benefit Assurance Trust Bywitness Xxxxx X. Xxxxxxxxxxxxxx Name of witness (block letters) DUTCH BORROWERS: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. TRONOX HOLDINGS COÖPERATIEF U.A. By: /s/ Xxxxxx X. Xxxx X. Xxxxxx ------------------------------------ Name: Xxxxxx X. Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. Director A By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Xxxxxx Name: Xxxxxxx X. Xxxxxx Xxxxxx Title: Treasurer Dated: June 13Director B TRONOX WORLDWIDE PTY LIMITED, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 acting as Managing Partner of TRONOX HOLDINGS EUROPE C.V. By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxx Name: Xxxxxx X. Xxxx Title: Director TRONOX PIGMENTS (NETHERLANDS) B.V. By: /s/ Xxxxxx 00 X. Xxxx Name: Xxxxxx X. Xxxx XxxxxxTitle: Director TRONOX PIGMENTS (HOLLAND) B.V. By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Director GUARANTORS: TRONOX INTERNATIONAL FINANCE LLP By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Representative Board Member of Tronox Limited TRONOX UK LIMITED By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Director TRONOX UK HOLDINGS LIMITED By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Director TRONOX FINANCE PLC By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Director TRONOX INTERNATIONAL HOLDINGS GMBH By: /s/ Xxxxxx X. Xxxx Name: Xxxxxx X. Xxxx Title: Chairman of the Management Board SIGNED, XX 00000-0000 Xxxxxxx SEALED and DELIVERED by Xxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager attorney for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IITRONOX PIGMENTS PTY LIMITED (ACN 052 533 829) ) ) ) ) ) ) ) ) ) ) ) ) )

Xxxxxxxx. Name: Xxxxxxx X. Xxxxxxxx Title: Senior Vice President NATIONSBANK OF TEXAS, N.A., as a Bank By /s/ Xxxxxxx Xxxx --------------------- Name: Xxxxxxx Xxxx Title: S.V.P. THE ROYAL BANK OF CANADA, as a Bank By /s/ Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentXxxxxxx -------------------- Name: Xxxxx Xxxxxxx Title: Senior Manager Corporate Banking BANK OF MONTREAL, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ a Bank By /s/ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By---------------------- Name: ------------------------------------ Xxxxxxx X. Xxxx Title: Managing Director SOCIETE GENERALE, as a Bank By /s/ J. Xxxxxx Xxxxx ----------------------- Name: J. Xxxxxx Xxxxx Title: Managing Director THE FUJI BANK, LIMITED, as a Bank By /s/ Keiichi Ozawa --------------------- Name: Keiichi Ozawa Title: Joint General Manager XXXXXX GUARANTY TRUST COMPANY OF NEW YORK, as a Bank and as a Senior Managing Agent By /s/ Xxxxxx Xxxxxxxxx ----------------------- Name: Xxxxxx Xxxxxxxxx Title: Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoTHE SUMITOMO BANK LIMITED, Inc. By: as a Bank By /s/ Xxxx X. Xxxxxx ------------------------------------ ------------------ Name: Xxxx Xxxxxx Title: General Manager DEUTSCHE BANK AG NEW YORK BRANCH AND/OR CAYMAN ISLANDS BRANCH, as a Bank By /s/ Xxxx-Xxxxx Xxxxxx ------------------------- Name: Xxxx-Xxxxx Xxxxxx Title: Director By /s/ Xxxx Xxxxxxxx -------------------- Name: Xxxx Xxxxxxxx Title: Vice President XXXXX XXXX XX XXXXXXXXXXX, XXX XXXX BRANCH, as a Bank By /s/ Xxxxx Xxxxxxx -------------------- Name: Xxxxx Xxxxxxx Title: Vice President Structured Finance By /s/ Xxxxxxxx X. Xxxxxx Xxxxxxxxx ---------------------------- Name: Xxxxxxxx X. Xxxxxxxxx Title: Director X.X. XXXXXXXX XXXX XX XXXXXX, as a Bank By /s/ Brennan K. Church ------------------------ Name: Brennan K. Church Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesABN AMRO BANK N.V., Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: as a Bank By /s/ Xxxxxxx X. Xxxxxx ------------------------------------ French ------------------------ Name: Xxxxxxx X. French Title: Group Vice President & Director By /s/ Xxx X. Xxxxxx -------------------- Name: Xxx X. Xxxxxx Title: Treasurer Dated: June 13Corporate Banking Officer SCHEDULE I Lender A Commitment LC Commitment --------------------------------------------------------------------------------------------------- Citicorp USA Inc. 38,684,210.53 49,736,842.11 --------------------------------------------------------------------------------------------------- Bank of America National Trust & Savings 33,157,894.74 42,631,578.95 Association --------------------------------------------------------------------------------------------------- The Hongkong and Shanghai 33,157,894.74 42,631,578.95 Bank Corporation Limited --------------------------------------------------------------------------------------------------- NationsBank of Texas, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICAN.A. 23,947,368.42 30,789,473.68 --------------------------------------------------------------------------------------------------- The Royal Bank of Canada 18,421,052.63 23,684,210.53 --------------------------------------------------------------------------------------------------- Bank of Montreal 18,421,052.63 23,684,210.53 --------------------------------------------------------------------------------------------------- Societe Generale 23,947,368.42 30,789,473.68 --------------------------------------------------------------------------------------------------- The Fuji Bank, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Limited 18,421,052.63 23,684,210.53 --------------------------------------------------------------------------------------------------- Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Guaranty Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of AmericaNew York 33,157,894.74 42,631,578.95 --------------------------------------------------------------------------------------------------- The Sumitomo Bank Limited 23,947,368.42 30,789,473.68 --------------------------------------------------------------------------------------------------- Deutsche Bank AG New York Branch and/or 23,947,368.42 30,789,473.68 Cayman Islands Branch --------------------------------------------------------------------------------------------------- Union Bank of Switzerland, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IINew York Branch 18,421,052.63 23,684,210.53 --------------------------------------------------------------------------------------------------- U.S. National Bank of Oregon 18,421,052.63 23,684,210.53 --------------------------------------------------------------------------------------------------- ABN AMRO Bank N.V. 23,947,368.42 30,789,473.68 ---------------------------------------------------------------------------------------------------

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. ByName: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Title: Director FIRST NATIONAL BANK OF COMMERCE, by Xxxxxx Xxxxx --------------------------------------- Xxxxxxxx -------------------------------------- Name: Xxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoTitle: Vice President THE FROST NATIONAL BANK, Inc. By: /s/ by Xxxx X. Xxxxxx ------------------------------------ Xxxxxxx -------------------------------------- Name: Xxxx Xxxxxxx Title: Senior Vice President THE FUJI BANK, LIMITED, by Xxxxx Xxxxxx -------------------------------------- Name: Xxxxx Xxxxxx Title: Vice President & Senior Manager NATIONSBANK OF TEXAS, N.A., by Xxxxxx X. Xxxxx -------------------------------------- Name: Xxxxxx X. Xxxxx Title: Senior Vice President NBD BANK, N.A., by X X Xxxxxxxx -------------------------------------- Name: Xxxxx X. Xxxxxxxx Title: Vice President PREMIER BANK, N.A., by X X Xxxxxxx -------------------------------------- Name: X. X. Xxxxxxx Title: Vice President ROYAL BANK OF CANADA, by Xxx X. Xxxxxxxxxx -------------------------------------- Name: Xxx X. Xxxxxxxxxx Title: Manager THE SANWA BANK, LIMITED, by Xxxxxx X. Xxxxx -------------------------------------- Name: Xxxxxx X. Xxxxx Title: Assistant Vice President SOCIETE GENERALE, by Xxxxx X. Xxxxxxx, III -------------------------------------- Name: Xxxxx X. Xxxxxxx, III Title: Vice President SUN BANK, NATIONAL ASSOCIATION, by J. Xxxxx Xxxxx -------------------------------------- Name: J. Xxxxx Xxxxx Title: First Vice President XXXXXXX, by Xxxxxx X. Xxxxxx -------------------------------------- Name: Xxxxxx X. Xxxxxx Title: Vice President EXHIBIT A [ ]* NOTE $[Amount of Lender's Commitment] New York, New York , 19 FOR VALUE RECEIVED, the undersigned, [ ]*, a Delaware corporation (the "Borrower"), hereby promises to pay to the order of (the "Lender"), at the office of Chemical Bank (the "Agent"), at 000 Xxxx Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Xxx Xxxx, Xxx Xxxx 00000, (i) on the last day of each Interest Period, as defined in the $500,000,000 Revolving Credit Facility Agreement dated as of July 13, 1994 (the "Credit Agreement"), among the Borrower, [ , Inc.,]** the Lenders named therein and the Agent, the aggregate unpaid principal amount of all Loans (as defined in the Credit Agreement) made to the Borrower by the Lender pursuant to the Credit Agreement to which such Interest Period applies and (ii) on the Maturity Date (as defined in the Credit Agreement) the lesser of the principal sum of [amount of Lender's Commitment] Dollars ($ ) and the aggregate unpaid principal amount of all Loans made to the Borrower by the Lender pursuant to the Credit Agreement, in lawful money of the United States of America in immediately available funds, and to pay interest from the date hereof on the principal amount hereof from time to time outstanding, in like funds, at said office, at the rate or rates per annum and payable on the dates provided in the Credit Agreement. -------------------- 1/ The bracketed language is for use in the 364 day facility. * Insert "XXXXXXX DEPARTMENT STORES, INC." or "XXXXXXX INVESTMENT CO., INC." ** If Xxxxxxx Department Stores, Inc., is the Borrower as set forth above, insert "Dillard Investment Co." If Xxxxxxx Investment Co., Inc., is the Borrower as set forth above, insert "Xxxxxxx Department Stores". The Borrower promises to pay interest, on demand, on any overdue principal and, to the extent permitted by law, overdue interest from their due dates at the rate or rates provided in the Credit Agreement. The Borrower hereby waives diligence, presentment, demand, protest and notice of any kind whatsoever. The nonexercise by the holder of any of its rights hereunder in any particular instance shall not constitute a waiver thereof in that or any subsequent instance. All borrowings evidenced by this Note and all payments and prepayments of the principal hereof and interest hereon and the respective dates and maturity dates thereof shall be endorsed by the holder hereof on the schedule attached hereto and made a part hereof or on a continuation thereof which shall be attached hereto and made a part hereof, or otherwise recorded by such holder in its internal records; provided, however, that the failure of the holder hereof to make such a notation or any error in such a notation shall not affect the obligations of the Borrower under this Note. This Note is one of the Notes referred to in the Credit Agreement, which, among other things, contains provisions for the acceleration of the maturity hereof upon the happening of certain events, for optional and mandatory prepayment of the principal hereof prior to the maturity hereof and for the amendment or waiver of certain provisions of the Credit Agreement, all upon the terms and conditions therein specified. This Note shall be construed in accordance with and governed by the laws of the State of New York and any applicable laws of the United States of America. [ ]*, by -------------------------------- Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco------------------- * Insert "XXXXXXX DEPARTMENT STORES, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INC." or "XXXXXXX INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx XxxxCO., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIINC."

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentTitle: VICE PRESIDENT ---------------------------------------------- Lending Office for Base Rate Loans: Mellon Bank, L.L.C. N.A. Three Mellon Bank Center Pittsburgh, Pennsylvania Attention: Lloyx Xxxxxx, Xxan Administrator Telephone: (412) 000-0000 Telefacsimile: (412) 000-0000 Wire Transfer Instructions: Mellon Bank, N.A. ABA# 043000000 Account No.: 990873800 Reference: Omnova Solutions Attention:Loan Administration Lending Office for Eurodollar Rate Loans: Mellon Bank, N.A. Three Mellon Bank Center Pittsburgh, Pennsylvania Attention: Lloyx Xxxxxx, Xxan Administrator Telephone: (412) 000-0000 Telefacsimile: (412) 000-0000 Wire Transfer Instructions: Mellon Bank, N.A. ABA# 043000000 Account No.: 990873800 Reference: Omnova Solutions Attention:Loan Administration 116 THE NORTHERN TRUST COMPANY By: /S/ ---------------------------------------------- Name: MARK X. XXXXXX -------------------------------------------- Title: SECOND VICE PRESIDENT ------------------------------------------- Lending Office for Base Rate Loans: The Northern Trust Company 50 Sxxxx XxXxxxx Xxxxxxx, Xxxxxx & Xxxxxxxxx GroupXxxxxxxx 00000 Attention: Lindx Xxxda Telephone: (312) 000-0000 Telefacsimile: (312) 000-0000 Wire Transfer Instructions: The Northern Trust Company ABA# 071000000 Account No.: 518640000 Reference: Omnova Solutions Inc. Attention: Commerical Loan Department Lending Office for Eurodollar Rate Loans: The Northern Trust Company 50 Sxxxx XxXxxxx Xxxxxxx, L.L.C. Its Managing Member Xxxxxxxx 00000 Attention: Lindx Xxxda Telephone: (312) 000-0000 Telefacsimile: (312) 000-0000 Wire Transfer Instructions: The Northern Trust Company ABA# 071000000 Account No.: 518640000 Reference: Omnova Solutions Inc. Attention: Commerical Loan Department 117 THE SUMITOMO BANK, LIMITED By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ /S/ ---------------------------------------------- Name: Xxxx JOHN X. Xxxxxx XXXXXX -------------------------------------------- Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. BySENIOR VICE PRESIDENT ------------------------------------------- Lending Office for Base Rate Loans: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx The Sumitomo Bank Limited 277 Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of AmericaAttention: Lissxxxx Xxxxxxxxxx-Xxxx Telephone: (212) 000-0000 Telefacsimile: (212) 000-0000 Wire Transfer Instructions: Citibank, Separate N.A. New York ABA# 021000000 Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 XxxxxxxNo.: 36020000 Reference:The Sumitomo Bank, XX 00000 Schedule IILimited, New York Attention: Loan Operations

Xxxxxxxx. Name: Xxxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. Title: Vice President FORTIS PROJECT FINANCE LIMITED By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member --------------------------------------------- Name: Title: By: ----------------------------------- Its--------------------------------------------- Name: Rosewood Stone GroupTitle: FRANKLIN CLO I, Inc. LIMITED By: ------------------------------------ Its--------------------------------------------- Name: Title: FRANKLIN FLOATING RATE MASTER SERIES By: --------------------------------------------- Name: Title: FREMONT INVESTMENT & LOAN By: --------------------------------------------- Name: Title: THE FUJI BANK, LIMITED By: --------------------------------------------- Name: Title: GENERAL ELECTRIC CAPITAL CORPORATION By: /s/ Xxxxxx X. Xxxxxxx --------------------------------------------- Name: Xxxxxx X. Xxxxxxx Title: Duly Authorized Signatory XXXXXXX & CO. By: Boston Safe Deposit Management and Trust Company Research as Trustee of the U S WEST Pension Trust Investment Advisor By: ------------------------------------ Xxxxxxx /s/ Xxxxx X. Xxxx Page --------------------------------------------- Name: Xxxxx X. Page Title: Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust HARBOUR TOWN FUNDING TRUST By: ------------------------------------ /s/ Xxxxx X. Xxxxxxx --------------------------------------------- Name: Xxxxx X. Xxxx Xxxxxxx Title: Authorized Agent XXXXXX TRUST AND SAVINGS BANK By: /s/ Xxxxxxxxxxx Xxxxxx --------------------------------------------- Name: Xxxxxxxxxxx Xxxxxx Title: Vice President --------------------------------------- XXXXXX FINANCIAL INC. By: /s/ Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxxx --------------------------------------------- Name: Xxxxxx X. Xxxxxxxx Title: Vice President THE HUNTINGTON NATIONAL BANK By: --------------------------------------------- Name: Title: IKB DEUTSCHE INDUSTRIEBANK FG LUXEMBOURG BRANCH By: /s/Xxxx Xxxxxxx --------------------------------------------- Name: Xxxx Xxxxxxx Title: Manager By: /s/ Xxxxxxx Ziwey --------------------------------------------- Name: Xxxxxxx Ziwey Title: Director IKB DEUTSCHE INDUSTRIEBANK AG LONDON BRANCH By: /s/Xxxx Xxxxxxx --------------------------------------------- Name: Xxxx Xxxxxxx Title: Manager By: /s/ Xxxxxxx Ziwey --------------------------------------------- Name: Xxxxxxx Ziwey Title: Director IKB CAPITAL CORPORATION NEW YORK By: /s/ Xxxxx Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx --------------------------------------------- Name: Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoXxxxxx Title: President INDOSUEZ CAPITAL FUNDING VI, Inc. LTD. By: Indosuez Capital Luxembourg as Portfolio Advisor By: /s/ Xxxx X. Xxxxxx ------------------------------------ Xxxxx --------------------------------------------- Name: Xxxx X. Xxxxx Title: Principal JISSEKIKUN FUNDING, LTD. (ACCT 1288) By: Pacific Investment Management Company LLC, as its Investment Advisor By: /s/ Xxxxx X. Xxxxxxxxxx --------------------------------------------- Name: Xxxxx X. Xxxxxxxxxx Title: Executive Vice President KZH CNC LLC By: /s/ Xxxxx Xxxxxx-Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx-Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. Authorized Agent KZH CRESCENT 3 LLC By: ------------------------------------ --------------------------------------------- Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. KZH CYPRESSTREE-1 LLC By: ------------------------------------ /s/ Xxxxx Xxxxxx-Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx-Xxxxxx Title: Authorized Agent KZH HIGHLAND-2 LLC By: --------------------------------------------- Name: Title: KZH LANGDALE LLC By: --------------------------------------------- Name: Title: KZH RIVERSIDE LLC By: /s/ Xxxxx Xxxxxx/-Xxxxxx Associates--------------------------------------------- Name: Xxxxx Xxxxxx-Xxxxxx Title: Authorized Agent KZH SOLEIL-2 LLC By: --------------------------------------------- Name: Title: KZH STERLING LLC By: /s/ Xxxxx Xxxxxx-Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx-Xxxxxx Title: Authorized Agent KZH WATERSIDE LLC By: /s/ Xxxxx Xxxxxx-Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx-Xxxxxx Title: Authorized Agent KEY BANK NATIONAL ASSOCIATION By: --------------------------------------------- Name: Title: LANDESBANK RHEINLAND-PFALTZ GIROZENTRALE By: /s/ Xxxxxx Xxxxxxxx --------------------------------------------- Name: Xxxxxx Xxxxxxxx Title: SVP By: /s/ Xxxx-Xxxxx Xxxxxxxx --------------------------------------------- Name: Xxxx-Xxxxx Xxxxxxxx Title: Manager LIBERTY-XXXXX XXX ADVANCED FLOATING RATE ADVANTAGE FUND By: Xxxxx Xxx & Farnham Incorporated, as Advisor By: /s/ Xxxxx X. Xxxxxxx --------------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Sr. Vice President & Portfolio Manager ML CLO XII PILGRIM AMERICA (CAYMAN) By:ING Pilgrim Investments, as its Investment Manager By: /s/ Xxxxx Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx Title: Vice President ML CLO XX PILGRIM AMERICA (CAYMAN) By: ING Pilgrim Investments, as its Investment Manager By: /s/ Xxxxx Xxxxxx --------------------------------------------- Name: Xxxxx Xxxxxx Title: Vice President MADISON AVENUE CDO I LTD. By: Metropolitan Life Insurance Company as Collateral Manager By: --------------------------------------------- Name: Title: MAPLEWOOD (CAYMAN) LIMITED By: Xxxxx X. Xxxxxx & Company Inc. under delegated authority from Massachusetts Mutual Life Insurance Company as Investment Manager By: /s/ Xxxx X. Law --------------------------------------------- Name: Xxxx X. Law Title: Managing Director MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY By: Xxxxx X. Xxxxxx & Company Inc. as Investment Advisor By: /s/ Xxxx X. Law --------------------------------------------- Name: Xxxx X. Law Title: Managing Director METROPOLITAN LIFE INSURANCE COMPANY By: --------------------------------------------- Name: Title: XXXXXX XXXXXXX XXXX XXXXXX PRIME INCOME TRUST By: --------------------------------------------- Name: Title: MOUNTAIN CAPITAL CLO I, LTD. By: --------------------------------------------- Name: Title: NBD BANK By: --------------------------------------------- Name: Title: NATEXIS BANQUE POPULAIRES By: /s/ Xxxxx X. Xxxxxx, Xx. --------------------------------------------- Name: Xxxxx X. Xxxxxx, Xx. Title: Vice President & Group Manager By: /s/ Xxxxxxxxx Xxxxxxxx --------------------------------------------- Name: Xxxxxxxxx Xxxxxxxx Title: Vice President NATIONAL CITY BANK By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Xxxxxxxxx --------------------------------------------- Name: Xxxxxxx X. Xxxxxx Xxxxxxxxx Title: Treasurer DatedSVP NEMEAN CLO, LTD. By: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 --------------------------------------------- Name: Title: NORTH AMERICAN SENIOR FLOATING RATE FUND By: Xxxxxxxxx Capital Partners LLC as its Collateral Manager By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx XxXxxxxxxxxxx X. Xxxxx --------------------------------------------- Name: Xxxxxxxxxxx X. Xxxxx Title: Partner NUVEEN SENIOR INCOME FUND By: Nuveen Senior Loan Asset Management Inc. By: --------------------------------------------- Name: Title: OASIS COLLATERALIZED HIGH INCOME PORTFOLIO-1 LTD. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone GroupBy: INVESCO Senior Secured Management, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIAs Subadvisor

Xxxxxxxx. Name: Xxxxxxx X. Xxxxxxxx Title: Senior Vice President NATIONSBANK OF TEXAS, N.A., as a Bank By /s/ Xxxxxxx Xxxx --------------------- Name: Xxxxxxx Xxxx Title: S.V.P. THE ROYAL BANK OF CANADA, as a Bank By /s/ Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentXxxxxxx -------------------- Name: Xxxxx Xxxxxxx Title: Senior Manager Corporate Banking BANK OF MONTREAL, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ a Bank By /s/ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By---------------------- Name: ------------------------------------ Xxxxxxx X. Xxxx Title: Managing Director SOCIETE GENERALE, as a Bank By /s/ J. Xxxxxx Xxxxx ----------------------- Name: J. Xxxxxx Xxxxx Title: Managing Director THE FUJI BANK, LIMITED, as a Bank By /s/ Keiichi Ozawa --------------------- Name: Keiichi Ozawa Title: Joint General Manager XXXXXX GUARANTY TRUST COMPANY OF NEW YORK, as a Bank and as a Senior Managing Agent By /s/ Xxxxxx Xxxxxxxxx ----------------------- Name: Xxxxxx Xxxxxxxxx Title: Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoTHE SUMITOMO BANK LIMITED, Inc. By: as a Bank By /s/ Xxxx X. Xxxxxx ------------------------------------ ------------------ Name: Xxxx Xxxxxx Title: General Manager DEUTSCHE BANK AG NEW YORK BRANCH AND/OR CAYMAN ISLANDS BRANCH, as a Bank By /s/ Xxxx-Xxxxx Xxxxxx ------------------------- Name: Xxxx-Xxxxx Xxxxxx Title: Director By /s/ Xxxx Xxxxxxxx -------------------- Name: Xxxx Xxxxxxxx Title: Vice President XXXXX XXXX XX XXXXXXXXXXX, XXX XXXX BRANCH, as a Bank By /s/ Xxxxx Xxxxxxx -------------------- Name: Xxxxx Xxxxxxx Title: Vice President Structured Finance By /s/ Xxxxxxxx X. Xxxxxx Xxxxxxxxx ---------------------------- Name: Xxxxxxxx X. Xxxxxxxxx Title: Director X.X. XXXXXXXX XXXX XX XXXXXX, as a Bank By /s/ Brennan K. Church ------------------------ Name: Brennan K. Church Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesABN AMRO BANK N.V., Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: as a Bank By /s/ Xxxxxxx X. Xxxxxx ------------------------------------ French ------------------------ Name: Xxxxxxx X. French Title: Group Vice President & Director By /s/ Xxx X. Xxxxxx -------------------- Name: Xxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Corporate Banking Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule III

Xxxxxxxx. Name: Xxxxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended Title: SVP and Restated Registration Rights Agreement] WA&H InvestmentCFO AMERICAN MIDSTREAM OFFSHORE (SEACREST), L.L.C. LP, as a Loan Party and By: XxxxxxxAmerican Midstream, Xxxxxx & Xxxxxxxxx GroupLLC, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Groupa Delaware limited liability company, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. its general partner By: /s/ Xxxxxx X. Xxxxxxxx Name: Xxxxxx X. Xxxxxxxx Title: SVP and CFO AMERICAN MIDSTREAM CHATOM UNIT 1, LLC, AMERICAN MIDSTREAM CHATOM UNIT 2, LLC, each as a Loan Party and Each By: American Midstream Chatom, LLC, a Delaware limited liability company, each of its sole member By: American Midstream, LLC, a Delaware limited liability company, its sole member By: /s/ Xxxxxx X. Xxxxxxxx Name: Xxxxxx X. Xxxxxxxx Title: SVP and CFO AMERICAN MIDSTREAM FINANCE CORPORATION, as a Loan Party By: /s/ Xxxxxx X. Xxxxxxxx Name: Xxxxxx X. Xxxxxxxx Title: SVP and CFO BANK OF AMERICA, N.A., as Administrative Agent and Collateral Agent By: /s/ Xxxxx X. Xxxxx Name: Xxxxx X. Xxxxx Title: Vice President BANK OF AMERICA, N.A., as a Lender and L/C Issuer By:___/s/ Xxxxx X. Levings____________________ Name: Xxxxx X. Xxxxxxx Title: Director CITIBANK, N.A., as a Co-Syndication Agent and a Lender By: ____/s/ Xxxx X. Xxxxxx ------------------------------------ Mogil___________________ Name: Xxxx X. X Xxxxx Title: Vice President COMERICA BANK, as a Co-Syndication Agent and a Lender By: /s/ Xxxxx Xxxxxx Name: Xxxxx Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesCOMPASS BANK, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended as a Co-Documentation Agent and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. a Lender By: /s/ Xxxxx Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxx Xxxxxxx X. Title: Vice President CAPITAL ONE, NATIONAL ASSOCIATION, as a Co-Documentation Agent and a Lender By: /s/ Xxxxxx Xxxxxxx Name: Xxxxxx Xxxxxxx Title: Vice President XXXXX FARGO BANK, NATIONAL ASSOCIATION, as a Lender By: /s/ Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Treasurer Dated: June 13Director XXXXXXX XXXXX BANK, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICAN.A., SEPARATE ACCOUNT NUMBER VCA-GA-5298 as a Lender By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx H. Xxxx Xxxxx Xx. Name: H. Xxxx Xxxxx Xx. Title: Senior Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentX. Xxxxxxxx, L.L.C. ByXx., Individually COMPANY: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone GroupTritel, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice _______________________________________ _______________, _____ President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoAT&T Wireless PCS, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ ---------------------------------------- Name: Xxxx X. Xxxxxx -------------------------------------- Title: Assistant ------------------------------------- TWR Cellular, Inc. By: ---------------------------------------- Name: -------------------------------------- Title: ------------------------------------- Cash Equity Investors: Toronto Dominion Investments, Inc. By: ---------------------------------------- Name: Xxxxxx X. Xxxxxxx Title: Vice President Xxxxxx/Entergy Wireless Company By: ---------------------------------------- Name: -------------------------------------- Title: ------------------------------------- General Electric Capital Corporation By: ---------------------------------------- Name: -------------------------------------- Title: ------------------------------------- Washington National Insurance Company By: ---------------------------------------- Name: Title: United Presidential Life Insurance Company By: ---------------------------------------- Name: Title: Dresdner Kleinwort Xxxxxx AssociatesPrivate Equity Partners LP By: Dresdner Kleinwort Xxxxxx Private Equity Managers LLC, Inc. as its general partner By: ------------------------------------ Name: Xxxxxxxxx X. Xxxxxxx Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoAuthorized Signatory Triune PCS, Inc. LLC, a Delaware limited liability company By: ------------------------------------ Oak Tree, LLC, a Delaware limited liability company Title: Manager By: Triune Private Equity, LLC Title: Manager By: ----------------------- Name: Xxxxx Xxxxxxxx Title: Xxxxxx/Xxxxxx AssociatesPresident FCA Venture Partners II, Inc. L.P. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Clayton-DC Venture Capital Group, LLC, its general partner By: ----------------------------------- Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx D. Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 III Title: Manager Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx.LLC By: --------------------------------------- Its Managing Member Airwave Communications, Xxx. 000 XxxxxxxxLLC (F/K/A Mercury PCS, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of AmericaLLC) By: MSM, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 XxxxxxxInc., XX 00000 Schedule IIits Manager

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. ByName: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx Carl X. Xxxxxxxx Title: Chief Financial Officer Guarantor: SIRROM CAPITAL CORPORATION By /s/ Carl X. Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxx Carl X. Xxxxxx Xxxxxxxx Title: Assistant Chief Financial Officer Fifth Amendment Signature Pages 7 Agent: FIRST UNION NATIONAL BANK, AS AGENT By /s/ Jane X. Xxxxxxx ------------------------------------ Name: Jane X. Xxxxxxx Title: Senior Vice President Xxxxxx/Xxxxxx AssociatesLenders: FIRST UNION NATIONAL BANK, Inc. ByAS LENDER By /s/ Jane X. Xxxxxxx ------------------------------------ Name: Jane X. Xxxxxxx Title: Senior Vice President FIRST AMERICAN NATIONAL BANK By /s/ Samuxx Xxxxxxxxxxx ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoAMSOUTH BANK By /s/ Scotx Xxxxxxxx ------------------------------------ Name: Scotx Xxxxxxxx Title: Senior Vice President FIRST TENNESSEE BANK NATIONAL ASSOCIATION By /s/ J. Todd Xxxxxx ------------------------------------ Name: J. Todd Xxxxxx Title: Vice President BANK OF AMERICA, Inc. By: FSB By /s/ Nancx Xxxxxx ------------------------------------ Name: Title: Xxxxxx/Xxxxxx AssociatesBANK ONE KENTUCKY, Inc. By: N.A. By /s/ Xxxxxxx Robexx X. Xxxxxx Xxxx ------------------------------------ Name: Xxxxxxx Robexx X. Xxxxxx Xxxx Title: Treasurer DatedFirst Vice President CHASE BANK OF TEXAS By /s/ John Xxxx ------------------------------------ Name: June 13John Xxxx Title: Senior Vice President THE FIRST NATIONAL BANK OF CHICAGO By /s/ Thomxx X. Xxxxx ------------------------------------ Name: Thomxx X. Xxxxx Title: First Vice President Fifth Amendment Signature Pages 9 FLEET BANK, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR N.A. By /s/ Edwaxx X. Xxxxx ------------------------------------ Name: Edwaxx X. Xxxxx Title: Senior Vice President UNION BANK OF CALIFORNIA, N.A. By /s/ Robexx X. Xxxxx ------------------------------------ Name: Robexx X. Xxxxx Title: Vice President Fifth Amendment Signature Pages ACKNOWLEDGED, ACCEPTED AND CONSENTED TO: THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 SMALL BUSINESS ADMINISTRATION By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer --------------------------------- Name: Title: Fifth Amendment Signature Pages Schedule 1 to the Loan Agreement LENDERS AND COMMITMENTS AND ADDRESSES FOR NOTICE --------------------------------------------------------------------------------------- LENDER COMMITMENT AND COMMITMENT PERCENTAGE --------------------------------------------------------------------------------------- Commitment Commitment Percentage --------------------------------------------------------------------------------------- First Union National Bank $14,000,000 28% --------------------------------------------------------------------------------------- First American National Bank $3,000,000 6% --------------------------------------------------------------------------------------- AmSouth Bank of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company Tennessee $6,000,000 12% --------------------------------------------------------------------------------------- First Tennessee Bank National Association $3,000,000 6% --------------------------------------------------------------------------------------- Bank of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 XxxxxxxFSB $4,000,000 8% --------------------------------------------------------------------------------------- Bank One Kentucky, XX 00000 Schedule IIN.A. $4,000,000 8% --------------------------------------------------------------------------------------- Chase Bank of Texas $4,000,000 8% --------------------------------------------------------------------------------------- The First National Bank of Chicago $4,000,000 8% --------------------------------------------------------------------------------------- Fleet Bank, N.A. $4,000,000 8% --------------------------------------------------------------------------------------- Union Bank of California, N.A. $4,000,000 8% --------------------------------------------------------------------------------------- Total: $50,000,000 100% ---------------------------------------------------------------------------------------

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. ByName: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx ---------------------------- Title: Senior Vice President & Portfolio Manager --------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 CANADIAN IMPERIAL BANK OF COMMERCE By: /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxx ------------------------------ Name: Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoXxxx ---------------------------- Title: Authorized Signatory --------------------------- SFX AMENDMENT XX. 0, Inc. XXXXXXX XX. 0 AND WAIVER NO.1 CONTINENTAL ASSURANCE COMPANY Separate Account (E) By: Highland Capital Management, L.P., as attorney-in-fact By: -------------------------------------- Name: ------------------------------------ Title: ----------------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 XXXXXXX XXXXX GLOBAL INVESTMENT SERIES: INCOME STRATEGIES PORTFOLIO By: Xxxxxxx Xxxxx Asset Management, L.P., as Investment Advisor By: /s/ Xxxx X. Xxxxxx Xxxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx Xxxxxxx ---------------------------------- Title: Assistant Vice President Xxxxxx/Xxxxxx AssociatesAuthorized Signatory --------------------------------- SFX AMENDMENT XX. 0, Inc. XXXXXXX XX. 0 AND WAIVER NO.1 XXXXXXX XXXXX PRIME RATE PORTFOLIO By: Xxxxxxx Xxxxx Asset Management, L.P., as Investment Advisor By: /s/ Xxxx X. Xxxxxxx ------------------------------------ Name: Xxxx X. Xxxxxxx ---------------------------------- Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoAuthorized Signatory --------------------------------- SFX AMENDMENT XX. 0, Inc. XXXXXXX XX. 0 AND WAIVER NO.1 XXX CAPITAL FUNDING, L.P. By: ------------------------------------ Highland Capital Management, L.P., as Collateral Manager By: ------------------------------ Name: ---------------------------- Title: Xxxxxx/--------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 SENIOR DEBT PORTFOLIO By: Boston Management and Research, as Investment Advisor By: /s/ Payson X. Xxxxxxxxx ------------------------------ Name: Payson X. Xxxxxxxxx ---------------------------- Title: Vice President --------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 SENIOR INCOME TRUST By: Boston Management and Research, as Investment Advisor By: /s/ Payson X. Xxxxxxxxx ------------------------------ Name: Payson X. Xxxxxxxxx ---------------------------- Title: Vice President --------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 XXX XXXXXX AMERICAN CAPITAL PRIME RATE INCOME TRUST By: ------------------------------ Name: ---------------------------- Title: --------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 AND WAIVER NO.1 XXX XXXXXX AMERICAN CAPITAL SENIOR INCOME TRUST By: ------------------------------ Name: ---------------------------- Title: --------------------------- SFX AMENDMENT XX. 0, XXXXXXX XX. 0 XXX XXXXXX XX.0 XXX AMRO BANK By: /s/ Xxxxxx Associates, Inc. Dry ------------------------------ Name: Xxxxxx Dry ---------------------------- Title: Group Vice President --------------------------- By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ O.R. Xxxxx ------------------------------ Name: Xxxxxxx X. Xxxxxx O.R. Xxxxx ---------------------------- Title: Treasurer Dated: June 13Group Vice President --------------------------- SFX AMENDMENT XX. 0, 1997 BENEFIT CAPITAL MANAGEMENT XXXXXXX XX. 0 AND WAIVER NO.1 FREMONT FINANCIAL CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation ------------------------------ Name: ---------------------------- Title: --------------------------- SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIA ----------

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentTitle: Vice President XXXXXXX RESINS LLC, L.L.C. as a Borrower By: Xxxxxxx/s/ Xxxxx X. Xxxxxxxx ------------------------------------ Title: Manager PTA RESOURCES, Xxxxxx & Xxxxxxxxx GroupLLC, L.L.C. Its Managing Member as a Borrower By: ----------------------------------- Its/s/ Xxxxx X. Xxxxxxxx ------------------------------------ Title: Rosewood Stone GroupPresident AGENT: DEUTSCHE BANK TRUST COMPANY AMERICAS, Inc. as Agent and Collateral Agent By: /s/ Xxxxx Xxxxx ------------------------------------ ItsTitle: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust Director By: /s/ Xxxxxxxxxx Xxxxxx ------------------------------------ Xxxxxxx Title: Director LENDERS: DEUTSCHE BANK TRUST COMPANY AMERICAS By: /s/ Xxxxx Xxxxx ------------------------------------ Title: Director By: /s/ Xxxxxxxxxx Xxxxxx ------------------------------------ Title: Director LENDERS: JPMORGAN CHASE BANK, N.A. By: /s/ Xxxxx X. Xxxx Xxxxxx ------------------------------------ Title: Managing Director LENDERS: GENERAL ELECTRIC CAPITAL CORPORATION By: /s/ Xxxxx X. Xxxxx ------------------------------------ Title: Duly Authorized Signatory LENDERS: LASALLE BUSINESS CREDIT, LLC By: /s/ Xxxxxx Xxxxxxxx ------------------------------------ Title: Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust LENDERS: WACHOVIA CAPITAL FINANCE (CENTRAL) By: /s/ Xxxxx Xxxxxx ------------------------------------ Xxxxxxx X. Xxxx Title: Associate LENDERS: XXXXX FARGO FOOTHILL, LLC By: /s/ Xxxxxx Xxxxxxxx ------------------------------------ Title: Assistant Vice President --------------------------------------- LENDERS: GMAC COMMERCIAL FINANCE LLC By: /s/ Xxxxxx X. Xxxxx ------------------------------------ Title: --------------------------------- LENDERS: XXXXXXX XXXXX CAPITAL, A DIVISION OF XXXXXXX XXXXX BUSINESS FINANCIAL SERVICES INC. By: /s/ Xxxxxx --------------------------------------- Xxxxxxx ------------------------------------ Title: AVP LENDERS: PNC BANK, NATIONAL ASSOCIATION By: /s/ Xxxx Xxxxxxxxxx ------------------------------------ Title: Vice President LENDERS: ALLIED IRISH BANK, PLC By: /s/ Xxxxxx X. Xxxx ------------------------------------ Title: Senior Vice President LENDERS: ALLIED IRISH BANK, PLC By: /s/ Xxxx Xxxxxxx ------------------------------------ Title: Director LENDERS: XXXXXXX BUSINESS CREDIT CORPORATION By: /s/ Xxxxxxx Xxx-Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. ------------------------------------ Title: Vice President LENDERS: UPS CAPITAL CORPORATION By: /s/ Xxxx X. Xxxxxx Xxxxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. Director of Portfolio Management LENDERS: E*TRADE BANK By: /s/ Xxx Xxxx ------------------------------------ Name: Title: [Signature Page to Amended Senior Manager, Commercial Lending --------------------------------- Acknowledged and Restated Registration Rights Agreement] ComdiscoAgreed for purposes of SECTIONS 2.1 and 11.23 only: PB CAPITAL CORPORATION, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. as a Departing Lender By: /s/ Xxxxxxx X. Xxxxxx Xxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 Managing Director By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Xxxxx X. Leopolo ------------------------------------ Title: Vice PresidentPresident ANNEX I TO AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF MAY 4, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx2006 LENDERS; COMMITMENTS; LENDING OFFICES Lending offices on file with Agent., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II

Xxxxxxxx. Name: Jxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentTitle: Vice President GERMAN AMERICAN CAPITAL CORPORATION By: /S/ TXXXXX XXXXXXX ----------------------------------- Name: Txxxxx X. Xxxxxxx Title: Vice President GMAC COMMERCIAL MORTGAGE CORPORATION By: /S/ RXXXXX X. XXXXXX ----------------------------------- Name: Rxxxxx X. Xxxxxx Title: Executive Vice President PARIBAS NORTH AMERICA, INC. By: /S/ JXXX X. XXXXXXXX ----------------------------------- Name: Jxxx X. Xxxxxxxx Title: Financial Controller PEREGRINE EQUITIES 1, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group/S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 2, L.L.C. Its Managing Member By: /S/ RXX XXXX ----------------------------------- ItsName: Rosewood Stone GroupRxx Xxxx Title: President USOL HOLDINGS, Inc. INC. AGREEMENT AMONG INVESTORS PEREGRINE EQUITIES 3, L.L.C. By: ------------------------------------ Its/S/ RXX XXXX ----------------------------------- Name: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Rxx Xxxx Title: President PEREGRINE EQUITIES 4, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 5, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 6, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President USOL HOLDINGS, INC. AGREEMENT AMONG INVESTORS PEREGRINE EQUITIES 7, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 8, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 9, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President PEREGRINE EQUITIES 10, L.L.C. By: /S/ RXX XXXX ----------------------------------- Name: Rxx Xxxx Title: President ----------------------------------- Dxxxxx Xxxxxx /S/ HXXXX XXXXXX ----------------------------------- Hxxxx Xxxxxx USOL HOLDINGS, INC. AGREEMENT AMONG INVESTORS /S/ HXXXX XXXXXX ----------------------------------- Mxxxxx Xxxxxx By: Hxxxx Xxxxxx, POA /S/ DXXXXXX XXXXX ----------------------------------- Dxxxxxx Xxxxx /S/ RXXXXX XXXXX ----------------------------------- Sxxxx Investments L.P. By: Rxxxxx Xxxxx, General Partner /S/ AXXXXX XXX XXXXXXX ----------------------------------- Axxxxx Xxx Xxxxxxx /S/ JXXXX XXXXXXXX ----------------------------------- Jxxxx Xxxxxxxx /S/ CXXXXXXX XXXXXXXX ----------------------------------- Cxxxxxxx Xxxxxxxx /S/ AXXX XXXXXXXXX ----------------------------------- Pxxxx Xxxxx By: Axxx Xxxxxxxxx, Attorney-in- Fact /S/ W. RXXXXX XXXXXXXX ----------------------------------- Rxxxxxxx Family Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as W. Rxxxxx Xxxxxxxx, Trustee of the U S WEST Benefit Assurance Trust /S/ DXXXX XXXXXX ----------------------------------- Dxxxx Xxxxxx /S/ KXXXXX XXXXXXXXXX ----------------------------------- Kxxxxx Xxxxxxxxxx USOL HOLDINGS, INC. AGREEMENT AMONG INVESTORS /S/ LXXX XXXXXXXX ----------------------------------- Lxxx Xxxxxxxx /S/ DXXX XXXXXXXX ----------------------------------- Bxxxx Xxxxx By: ------------------------------------ Dxxx Xxxxxxxx, Custodian FBO Bxxxx Xxxxx S.E.P. /S/ RXX XXXXXXX ----------------------------------- Rxx Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- /S/ TXXXX XXXXX ----------------------------------- Txxxx Xxxxx for FMH, LLP /S/ IXX XXXXXXX ----------------------------------- Ixx Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx /S/ DXX XXXXX ----------------------------------- Dxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. /S/ SXXXX XXXXXX ----------------------------------- Rosewood Partners L.P. By: /s/ Xxxx X. Sxxxx Xxxxxx ------------------------------------ Name: Xxxx X. /S/ G. TXXXX XXXXXXX ----------------------------------- G. Txxxx Xxxxxxx EXHIBIT A INVESTORS AND PERCENTAGE INTERESTS Voting Percentage Percentage Investor Interest Interest -------- ---------- ---------- GMAC Commercial Mortgage Corporation 26.95% 30.11% AGL Investment No. 8 L.P. (Amstar) 26.95% 30.11% Aspen Foxtrot Investments, LLC 12.16% 13.58% German American Capital Corporation 4.39% 4.90% Peregrine Equities 1, L.L.C. 1.35% 1.51% Peregrine Equities 2, L.L.C. 1.35% 1.51% Peregrine Equities 3, L.L.C. 1.35% 1.51% Peregrine Equities 4, L.L.C. 1.35% 1.51% Peregrine Equities 5, L.L.C. 1.35% 1.51% Peregrine Equities 6, L.L.C. 1.35% 1.51% Peregrine Equities 7, L.L.C. 1.35% 1.51% Peregrine Equities 8, L.L.C. 1.35% 1.51% Peregrine Equities 9, L.L.C. 1.35% 1.51% Peregrine Equities 10, L.L.C. 1.35% 1.51% Voting Percentage Percentage Investor Interest Interest -------- ---------- ---------- Rxx Xxxxxxx 0.07% 0.08% Dxx Xxxxx 0.67% 0.75% Cxxxxxxx Xxxxxxxx 0.03% 0.03% Dxxxxxx Xxxxx 0.14% 0.15% Axxxxx Xxx Xxxxxxx 0.07% 0.08% Dxxxxx Xxxxxx Title: Assistant Vice President Xxxxxx/0.95% 1.06% Jxxxx Xxxxxxxx 0.03% 0.03% Hxxxx Xxxxxx Associates0.14% 0.15% Mxxxxx Xxxxxx 0.14% 0.15% Pxxxx Xxxxx 0.14% 0.15% Lxxx Xxxxxxxx 0.08% 0.09% First Madison Holidays, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/LLP 0.05% 0.06% Rxxxxxxx Family Trust 0.54% 0.60% Dxxxx Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture 0.81% 0.91% Rosewood Partners, L.P. Xxx Xxxx Xxxxxx (Sxxxx Xxxxxx, ) 0.67% 0.75% Kxxxxx Xxxxxxxxxx 0.24% 0.27% Ixx Xxxxxxx 0.05% 0.06% Dxxx Xxxxxxxx Custodian FBO Bxxxx Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= FundS.E.P. 0.07% 0.08% Sxxxx Investments, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c0.54% 0.60% G. Txxxx Xxxxxxx 0.14% 0.15% German American Capital Corporation 5.07% N/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone GroupA Paribas North America, Inc. 0000 Xxxxxxxxx5.41% N/A EXHIBIT B INITIAL CHAIRPERSON Dxxxx Xxxxx EXHIBIT C INITIAL DESIGNATED DIRECTORS INITIAL DESIGNATED INVESTOR DIRECTOR -------- ---------- AGL Investments No. 8 Limited Partnership Dxxxx Xxxxx Aspen Foxtrot Investments, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx LLC Rxxxxx Xxxxxxxx GMAC Commercial Mortgage Corporation Rxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000Peregrine Equities 1-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx 10,L.L.C. Rxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II

Xxxxxxxx. Xxxxxxxx Name: Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoTitle: President STATIA TERMINALS, Inc. INC. By: /s/ Xxxx Xxxxx X. Xxxxxx ------------------------------------ Xxxxxxx ------------------------------------- Name: Xxxx Xxxxx X. Xxxxxx Xxxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. Chairman of of the Board STATIA TERMINALS N.V. By: /s/ Xxxxx X. Xxxxxxx X. Xxxxxx ------------------------------------ ------------------------------------- Name: Xxxxx X. Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13Managing Director STATIA DELAWARE HOLD CO II, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 INC. By: /s/ Xxxxx X. Xxxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxxx Title: President SABA TRUST COMPANY N.V. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Managing Director BICEN DEVELOPMENT CORPORATION N.V. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Managing Director STATIA TERMINALS SOUTHWEST, INC. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: President W.P. COMPANY, INC. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Vice President SEVEN SEAS STEAMSHIP COMPANY By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Vice President SEVEN SEAS STEAMSHIP COMPANY (SINT EUSTATIUS) N.V. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Attorney-in-Fact POINT XXXXXX MARINE SERVICES LIMITED By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Vice President Finance and Treasurer STATIA LABORATORY SERVICES, N.V. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Managing Director STATIA TUGS N.V. By: /s/ Xxxxx X. Xxxxxxx ------------------------------------- Name: Xxxxx X. Xxxxxxx Title: Managing Director [Registration Rights Agreement - Purchaser's Signature Page] Accepted and agreed as of the date first above written: /s/ Xxx XxXxxxx ---------------------------------- Xxxxxxx _________________________________________ XXXXXX, READ & CO. INC. By: ------------------------------------- Name: Xxx XxXxxxx Xx. Xxxxxxx Title: Senior Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II

Xxxxxxxx. Xxxxxx X. Xxxxxxx ------------------------ Xxxxx X. Xxxxxx [SIGNATURE PAGE(S) FOR THE BUYERS FOLLOW THIS PAGE.] Dominion Capital Fund Ltd By Inter-Caribbean Services c/o Citco Fund Service (Bahamas) Ltd. (Bahamas) Ltd., Director Bahamas Financial Center P.O.B. CB 13136 By: Nassau, Bahamas ---------------------------------- Tel.: (000) 000-0000 Its: Fax: (000) 000-0000 ---------------------------------- Sovereign Partners LP By Southridge Capital Management LLC, c/o Southridge Capital Management LLC General Partner Xxxxxxxxx Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment00 00 Xxxxx Xxxxxx By: Xxxxxxxxxx, Xxxxxxxxxxx 00000 ---------------------------------- Tel.: (000) 000-0000 Its: Fax: (000) 000-0000 ---------------------------------- Dominion Investment Fund LLC c/o Citco Fund Service (Bahamas) Ltd. By Inter-Caribbean Services (Bahamas) Bahamas Financial Center Ltd., Director P.O.B. CB 13136 Nassau, Bahamas By: Tel.: (000) 000-0000 ---------------------------------- Fax: (000) 000-0000 Its: ---------------------------------- JNC STRATEGIC FUND LTD. By: Encore Capital Management, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its --------------------------------- Neill X. Xxxx Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Olympia Capital (Cayman) Ltd. Xxxxxxxx Xxxxx --------------------------------------- 00 Xxxx Xxxxxx Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. ByHM11 Bermuda Facsimile No.: /s/ Xxxx X. Xxxxxx ------------------------------------ Name(000) 000-0000 Attn: Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation Director SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx XxxxxxBUYERS OF THE ADDITIONAL DEBENTURES AND AMOUNT PURCHASED Name of Buyer Principal Amount of Purchase ------------- ---------------------------- JNC Strategic Fund Ltd. $1,250,000 Dominion Capital Fund, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Ltd $ Sovereign Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit LP $ Dominion Investments LLP $ SUPPLEMENTAL DISCLOSURE SCHEDULE 2(a) ------------------------------------- SUBSIDIARIES No change. -6- SUPPLEMENTAL DISCLOSURE SCHEDULE 2(c) ------------------------------------- CAPITALIZATION No change. -7- SUPPLEMENTAL DISCLOSURE SCHEDULE 2(g) ------------------------------------- None. -8- SUPPLEMENTAL DISCLOSURE SCHEDULE 4 ---------------------------------- Estimated Use of Proceeds ------------------------- Investment funds $2,500,000 ========== Use of Funds Payroll and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IICritical Payables 2,500,000 ---------- Total $2,500,000 ==========

Xxxxxxxx. [SIGNATURE PAGE TO SECOND AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT] INVESTORS: ALEXANDRIA VENTURE INVESTMENTS, LLC By: Name: Title: /s/ Xxxxxxx XxXxxxxxxxx Xxxxxxx XxXxxxxxxxx Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxxxx /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxxxxxx Xxxxxxx /s/ Xxxxx --------------------------------------- Xxxxxxxx X. Xxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoX. Xxxxxxx /s/ Xxxx X. Xxxxx, Inc. Attorney-in-Fact Xxxxx Xxxxxxx AXIL CAPITAL PARTNERS By: /s/ Xxxx X. Xxxxxx ------------------------------------ Xxxxx Name: Xxxx X. Xxxxxx Xxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. Attorney-in-Fact THE SHIN FAMILY REVOCABLE TRUST By: ------------------------------------ Name: Xxxxx Xxxx Title: Trustee [SIGNATURE PAGE TO SECOND AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT] INVESTORS: AXIL LIFE SCIENCE & HEALTHCARE FUND I L.P. By: /s/ Xxxxxxxxx Xxxxx Name: Xxxxxxxxx Xxxxx Title: Managing Partner of AXIL CAPITAL PARTNERS LLP as GENERAL PARTNER OF AXIL LIFE SCIENCE & HEALTHCARE FUND I L.P. [SIGNATURE PAGE TO SECOND AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT] INVESTORS: /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxxx X. Xxxxxx /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxxxxx Xxxxxx /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxxxxxxxxx X. Xxxxxxxxx Xxxxxxxxxxx X. Xxxxxxxxxx Xxxxxxxx Xxxxxxx /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxx Xxxxxxxxxx III /s/ Xxxx X. Xxxxx, Attorney-in-Fact Xxxxxx Xxxxx Xxxxxx X’Xxxxx THE XXXXXXXXX FAMILY TRUST By: /s/ Xxxxxxx Xxxxxxxxx Name: Title: THE XXXXX/XXXXXXX FAMILY TRUST By: Name: Title: [Signature Page to Amended and Restated Registration Rights AgreementSIGNATURE PAGE TO SECOND AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT] ComdiscoINVESTORS: CALISEMANA, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. LLC By: /s/ Xxxxxxx Xxxx X. Xxxxxx ------------------------------------ Xxxxx Name: Xxxxxxx Xxxx X. Xxxxxx Xxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCAAttorney-GA-5298 in-Fact XXXXXXXXX X. XXXXXXXXXX REVOCABLE TRUST By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxx X. Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Name: Xxxx Xxxxxx Xxxxxx, X. Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Title: Attorney-in-Fact HENTEMANN GRANTOR RETAINED ANNUITY TRUST By: /s/ Xxxx Xxxxxx Xxxxxx, X. Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Name: Xxxx X. Xxxxx Xxxx Xxxxxxx, XX 00000Title: Attorney-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000in-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Fact CREATIVE VENTURES LLC By: /s/ Xxxx Xxxxx Name: Xxxx XxxxxxxxXxxxx Title: Managing Director DF INVESTMENT PARTNERS, XX 00000 Xxxxxxxx LLC By: /s/ Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Name: Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIXxxxx Title: Managing Member INVESTORS:

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentJEFFXXX XXXXXXXXX ------------------------------------ CARL XXXE ------------------------------------ JEFFXXX XXXXXXXXX ------------------------------------ CRAIX XXXXXXXX SIGNATURE PAGE TO XCYTE THERAPIES, L.L.C. INC. ADDENDUM TO SERIES D STOCK PURCHASE AGREEMENT AND OMNIBUS AMENDMENT TO SERIES D FINANCING DOCUMENTS INITIAL SERIES D INVESTORS: DLJ CAPITAL CORP. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By--------------------------------------- Name: ----------------------------------- Its: Rosewood Stone Group, Inc. By------------------------------------- (print) Title: ------------------------------------ ItsAddress: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. 3000 Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxx, Xxxx. 0, Xxxxx --------------------------------------- Xxxxxxxx 000 Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx XxxxxxXxxx, XX 00000 Polaris Venture PartnersXXJ FIRST ESC, L.P. Xxx By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: 3000 Xxxx Xxxx Xxxx, Xxxx. 0, Xxxxx 000 Xxxxx Xxxx, XX 00000 XXROUT CAPITAL VII, L.P. By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: 3000 Xxxx Xxxx Xxxx, Xxxx. 0, Xxxxx 000 Xxxxx Xxxx, XX 00000 XXE SPROUT CEO FUND, L.P. By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: 3000 Xxxx Xxxx Xxxx, Xxxx. 0, Xxxxx 000 Xxxxx Xxxx, XX 00000 SIGNATURE PAGE TO XCYTE THERAPIES, INC. ADDENDUM TO SERIES D STOCK PURCHASE AGREEMENT AND OMNIBUS AMENDMENT TO SERIES D FINANCING DOCUMENTS 20 INITIAL SERIES D INVESTORS: ARCH VENTURE FUND III, L.P. By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: 1000 Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Attn: Bob Xxxxxx XERIES A AND B INVESTOR: ARCH VENTURE FUND II, L.P. By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: 1000 Xxxxxx Xxxxxx, Xxxxx Xxxx 0000 Xxxxxxx, XX 00000-0000 Rosewood Stone GroupAttn: Bob Xxxxxx SIGNATURE PAGE TO XCYTE THERAPIES, Inc. 0000 XxxxxxxxxINC. ADDENDUM TO SERIES D STOCK PURCHASE AGREEMENT AND OMNIBUS AMENDMENT TO SERIES D FINANCING DOCUMENTS 21 INITIAL SERIES D INVESTORS: ALTA CALIFORNIA PARTNERS, L.P. By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: One Xxxxxxxxxxx Xxxxxx, Xxxxx 000 0000 Xxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Attn: Jean Xxxxxxx XLTA XXXARCADERO PARTNERS, LLC By: --------------------------------------- Name: ------------------------------------- (print) Title: ------------------------------------ Address: One Xxxxxxxxxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxx Xxxxxxxxx, XX 00000 Attn: Jean Xxxxxxx SIGNATURE PAGE TO XCYTE THERAPIES, INC. ADDENDUM TO SERIES D STOCK PURCHASE AGREEMENT AND OMNIBUS AMENDMENT TO SERIES D FINANCING DOCUMENTS INITIAL SERIES D INVESTORS: ------------------------------------ TGI FUND II, LC Address: 6501 Xxxxxxxx Xxxxxx X. 701 0xx Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIAttn: Michxxx Xxxxx & Xave Xxxx

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment(Tel) (415) 000-0000 (Fax) (415) 000-0000 XEVOLVING COMMITMENT BANKBOSTON, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. N.A. $9,375,000 By: /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxx X. Xxxxxx ----------------------------------------- TERM COMMITMENT Title: Assistant Vice President $3,125,000 Address: 435 Xxxxx Xxxxxx/Xxxxxx Associates, Inc. ByXxxxx 000 Xxxx Xxxx, Xxxxxxxxxx 00000 Attention: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Lee X. Xxxxxx/Xxxxxx Associates, Inc. -Xxxxxxx (Tel) (650) 000-0000 (Fax) (650) 000-0000 REVOLVING COMMITMENT BANQUE NATIONALE DE PARIS $9,375,000 By: /s/ Xxxxxxx Jennxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Xxx ----------------------------------------- TERM COMMITMENT Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 Vice President $3,125,000 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx XxKathxxxxx Xxxxx ----------------------------------------- Title: Vice President Address: 180 Xxxxxxxxxx Xxxxxx San Francisco, California 94104 Attention: Willxxx X. Xx Xxxxxx (Tel) (415) 956-0707 ext. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000218 (Fax) (415) 000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XXXXXXXXX XXXXXXXXXX XXXXX XXXX XX 00000-0000 Rosewood Stone Group, Inc. 0000 XXXXXX $0,375,000 By: /s/ Stepxxx X. Xxxxxx ----------------------------------------- TERM COMMITMENT Title: Senior Manger $3,125,000 Address: 600 Xxxxxxxx Xxxxxxxxx, Xxxxx 000 XxxxxxxxxXxx Xxxxxxx, XX Xxxxxxxxxx 00000 Xxxxxx Attention: Stepxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000(Tel) (213) 000-0000 Xxxxxxx X. Xxxxxxxx 00000 (Fax) (213) 000-0000 XEVOLVING COMMITMENT WELLX XXXGO BANK N.A. $9,375,000 By: /s/ Gus Xxxxxx ----------------------------------------- TERM COMMITMENT Title: $3,125,000 Address: 121 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx XxxxxxXxxxxx Xxxxx, Xxxxx 000 XxxxxxxxxXxx Xxxx, XX Xxxxxxxxxx 00000 ComdiscoAttention: John Xxxxx (Tel) (408) 000-0000 (Fax) (408) 000-0000 THE DESIGNATED ISSUER: CANADIAN IMPERIAL BANK OF COMMERCE, Inc. NEW YORK AGENCY By: /s/ Cyd Xxxxx ----------------------------------------- Title: Address: 425 Xxxxxxxxx Xxxxxx Xxxxxxx Xxxxx Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule II00000

Xxxxxxxx. Name and Title Xxxxxxx X. Xxxxxxxx, Senior Regional Vice President Senior Underwriter Assistant Lender-Surety Agreement acknowledged by: INDEMNITOR ATTEST OR WITNESS: GREAT LAKES DREDGE & DOCK CORPORATION /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx [Signature Page to Amended X. Xxxxxxx(SEAL) Name and Restated Registration Rights Agreement] WA&H Investment, L.L.C. By: Title Xxxxx X. Xxxxxxx, Xxxxxx President and Chief Financial Officer Chief Legal Officer (Signatures continued next page) INDEMNITOR ATTEST OR WITNESS: GREAT LAKES DREDGE & Xxxxxxxxx GroupDOCK COMPANY, L.L.C. Its Managing Member ByLLC /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx X. Xxxxxxx(SEAL) Name and Title Xxxxx X. Xxxxxxx, President and Chief Financial Officer Chief Legal Officer INDEMNITOR ATTEST OR WITNESS: ----------------------------------- Its: Rosewood Stone GroupXXXXX DREDGING & CONSTRUCTION COMPANY, Inc. By: ------------------------------------ Its: Boston Safe Deposit LTD. /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx X. Xxxxxxx(SEAL) Name and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx Title Chief Legal Officer Xxxxx X. Xxxx Xxxxxxx, Executive Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust ByChief Operating Officer INDEMNITOR ATTEST OR WITNESS: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx FIFTY-THREE DREDGING CORPORATION /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: X. XxXxx /s/ Xxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx(SEAL) Name and Title Xxxx X. Xxxxxx Title: Assistant Xxxxxxx, Vice President XxxxxxChief Legal Officer INDEMNITOR ATTEST OR WITNESS: XXXXXX MARINE SERVICES COMPANY /s/ Xxxxxxxx X. XxXxx /s/ Xxxxxxxxx Xxxxxxx(SEAL) Name and Title Xxxxxxxxx Xxxxxxx, President Chief Legal Officer (Signatures continued next page) INDEMNITOR ATTEST OR WITNESS: GREAT LAKES DREDGE & DOCK ENVIRONMENTAL, INC. (f/Xxxxxx Associatesk/a Great Lakes Caribbean Dredging, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended Inc.) /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx X. Xxxxxxx(SEAL) Name and Restated Registration Rights Agreement] ComdiscoTitle Chief Legal Officer Xxxxx X. Xxxxxxx, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. By: /s/ Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Senior Vice President, President and Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx XxxxxxINDEMNITOR ATTEST OR WITNESS: NASDI, 00xx LLC /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, X. Xxxxxxx(SEAL) Name and Title Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx X. Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit Vice President Chief Legal Officer INDEMNITOR ATTEST OR WITNESS: NASDI HOLDINGS CORPORATION /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx X. Xxxxxxx(SEAL) Name and Trust as Trustee Xxx Title Chief Legal Officer Xxxxx Xxxx X. Xxxxxxx, XX 00000-0000 Rosewood Stone GroupVice President and Chief Financial Officer INDEMNITOR ATTEST OR WITNESS: YANKEE ENVIRONMENTAL SERVICES, Inc. 0000 Xxxxxxxxx, LLC /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx Xxxxxxx(SEAL) Name and Title Chief Legal Officer Xxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIVice President and Chief Financial Officer (Signatures continued next page) INDEMNITOR ATTEST OR WITNESS: GREAT LAKES DREDGE & DOCK (BAHAMAS) LTD. /s/ Xxxxxxxx X. XxXxx /s/ Xxxxx X. Xxxxxxx(SEAL) Name and Title Xxxxx X. Xxxxxxx, Vice President Chief Legal Officer (Exhibit follows) EXHIBIT A SCHEDULE OF COLLATERAL EQUIPMENT NAME OF VESSEL OFFICIAL NUMBER XXXXXX 273722 ALASKA 283416 G.L. 51 288765 PONTCHARTRAIN 290028 CALIFORNIA 292779 BUSTER 000000 XXXXXXX 000000 G.L. 141 538934 CAROLINA 552707 GL-54 560225 NO. 53 566581 ILLINOIS 580274 XXXX 605280 DODGE ISLAND 625348 TEXAS 627368 XXXXX XXXXXX 000000 XXXX 000000 G.L. 184 652202 UNLOADER NO. 2 667652 APACHE 668642 XXX XXXX 000000 G.L. 55 1101368 G.L. 142 1139322 GL-66 1151814 MANHATTAN ISLAND 2694 (RMI Flag) SUGAR ISLAND 2695 (RMI Flag) NOON ISLAND 3097 (RMI Flag) REEM ISLAND 3098 (RMI Flag)

Xxxxxxxx. Name: Dougxxx X. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H Investment, L.L.C. ByTitle: Xxxxxxx, Xxxxxx SVP & Xxxxxxxxx Group, L.L.C. Its Managing Member ByManager 111 Banks: ----------------------------------- ItsARAB BANKING CORPORATION (B.S.C.) By /s/ Stepxxx X. Xxxxxxx --------------------------------- Name: Rosewood Stone Group, Inc. ByStepxxx X. Xxxxxxx Title: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust ByTHE BANK OF NOVA SCOTIA By /s/ F.C.H. Ashbx --------------------------------- Name: ------------------------------------ F.C.H. Ashbx Title: Senior Manager BANQUE NATIONALE DE PARIS, HOUSTON AGENCY By /s/ Thiexxx Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx --------------------------------- Name: Thiexxx Xxxxxxx Title: Deputy General Manager & VP DEN NORSKE BANK ASA By /s/ Byrox X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: /s/ Xxxx X. Xxxxxx ------------------------------------ --------------------------------- Name: Xxxx Byrox X. Xxxxxx Title: Assistant Senior Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ By /s/ Mortxx Xxxxxxxx --------------------------------- Name: Mortxx Xxxxxxxx Title: [Signature Page to Amended and Restated Registration Rights Agreement] ComdiscoSenior Vice President 112 THE FUJI BANK, Inc. By: ------------------------------------ LIMITED -- HOUSTON AGENCY By /s/ Kenixxx Xxxxxx --------------------------------- Name: Kenixxx Xxxxxx Title: Xxxxxx/Xxxxxx Associates, Inc. By: Vice President & Manager GULF INTERNATIONAL BANK B.S.C. By /s/ Xxxxxxx Issa X. Xxxxxx ------------------------------------ --------------------------------- Name: Xxxxxxx Issa X. Xxxxxx Title: SVP & Branch Manager By /s/ Willxxx X. Xxxxxxx --------------------------------- Name: Willxxx X. Xxxxxxx Title: Vice-President HIBERNIA NATIONAL BANK By /s/ Lyndxxx Xxx --------------------------------- Name: Lyndxxx Xxx Title: Senior Vice President 113 NATEXIS BANQUE BFCE By /s/ Mark X. Xxxxxxxxxx --------------------------------- Name: Mark X. Xxxxxxxxxx Title: Vice President and Regional Manager By /s/ Eric Xxxxxx --------------------------------- Name: Eric Xxxxxx Title: Assistant Treasurer DatedNATIONAL BANK OF ALASKA By /s/ Patrxxxx Xxxxxx Xxxz --------------------------------- Name: June 13Patrxxxx Xxxly Benz Title: Vice President THE SUMITOMO BANK, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY LIMITED By /s/ Haruxxxxx Xxxx --------------------------------- Name: Haruxxxxx Xxxx Title: General Manager 114 EXHIBIT A FORM OF AMERICANOTICE OF BORROWING [Date] Credit Lyonnais New York Branch, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxxas Administrative Agent for the Banks party to the Credit Agreement referred to below 1000 Xxxxxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone Group, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIXxtention: W. Thomxx Xxxxxxxx Xadies and Gentlemen: The undersigned, POOL COMPANY (the "Borrower"), refers to the Credit Agreement, dated as of September 30, 1997 (as amended from time to time, the "Credit Agreement," the terms defined therein being used herein as therein defined), among Pool Energy Services Co., Pool Energy Holding, Inc., the Borrower, the lenders from time to time party thereto (the "Banks"), SBC Warburg Dillon Read Inc., as Arranger, Swiss Bank Corporation, New York Branch, as Documentation Agent, and you, as Administrative Agent and as Collateral Agent for such Banks, and hereby gives you notice, irrevocably, pursuant to Section 1.03(a) of the Credit Agreement, that the undersigned hereby requests a Borrowing of Revolving Loans under the Credit Agreement, and in that connection sets forth below the information relating to such Borrowing (the "Proposed Borrowing") as required by Section 1.03(a) of the Credit Agreement:

Xxxxxxxx. Title: Vice President XXXXXXX RESINS LLC, as a Borrower By: /s/ Xxxxx X. Xxxxxxxx --------------------- Title: Vice President PTA RESOURCES, LLC, as a Borrower By: /s/ Xxxxx [X. Xxxxxxxx --------------------- Title: Vice President AGENT: DEUTSCHE BANK TRUST COMPANY AMERICAS, as a Lender, Administrative Agent and Collateral Agent By: /s/ Xxxxx Xxxxx --------------- Title: Director Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentFirst Amendment to Credit Agreement LENDERS: XX Xxxxxx Chase Bank, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. NA By: /s/ Xxxx Xxxxx X. Xxxxxx ------------------------------------ Name------------------- Title: Xxxx Managing Director LENDERS: General Electric Capital Corporation By: /s/ Xxxxx X. Xxxxx ------------------ Title: Duly Authorized Signatory LENDERS: LASALLE BUSINESS CREDIT, LLC By: /s/ Xxxxxx Xxxxxxxxxxx ---------------------- Title: Senior Vice President LENDERS: PB Capital Corporation By: /s/ Xxxxx X. XxXxxxxx --------------------- Title: Vice President By: /s/ Xxxxx X. Xxxxxxx -------------------- Title: Assistant Vice President Xxxxxx/LENDERS: CONGRESS FINANCIAL CORPORATION BY: /s/ Xxxxx Xxxxxx Associates---------------- Title: Associate LENDERS: XXXXX FARGO FOOTHILL, Inc. LLC By: ------------------------------------ Name: /s/ Yelenda Kravshuk -------------------- Title: [Assistant Vice President Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. First Amendment to Credit Agreement LENDERS: GMAC COMMERCIAL FINANCE LLC By: ------------------------------------ Name: /s/ Xxxxxx Xxxxx ---------------- Title: Xxxxxx/Director LENDERS: Xxxxxx AssociatesXxxxx Capital, a division of Xxxxxxx Xxxxx Business Financial Services Inc. By: /s/ Xx Xxxxxxx X. Xxxxxx ------------------------------------ Name: Xxxxxxx X. Xxxxxx -------------- Title: Treasurer DatedAssistant Vice President LENDERS: June 13PNC BANK, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 NATIONAL ASSOCIATION By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Xxxx Xxxxxxxxxx ------------------- Title: Vice PresidentPresident LENDERS: ALLIED IRISH BANK, Chief Financial Officer PLC By: /s/ Xxxxxx Xxxx --------------- Title: Senior Vice President LENDERS: XXXXXXX BUSINESS CREDIT CORPORATION By: /s/ Xxxxxxxx Xxxxx ------------------ Title: Vice President EXHIBIT A FORM OF ACKNOWLEDGMENT AND CONSENT The undersigned entities, constituting Subsidiaries of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxxthe Borrowers (each, 00xx Xxxxx Xxxxxxa "Subsidiary Guarantor"), XX 00000 Polaris Venture Partnershereby (a) acknowledge that they have reviewed the terms and provisions of (i) the Credit Agreement dated as of February 10, L.P. Xxx Xxxx Xxxxxx Xxxxxx2004 (as amended, Xxxxx 0000 Xxxxxxthe "Agreement"), XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit by and Trust as Trustee Xxx Xxxxx Xxxx among Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Inc. ("Xxxxxxx"), XX 00000-0000 Rosewood Stone GroupPrince, Inc. 0000 Xxxxxxxxx("Prince"), Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprisesof Mississippi, Inc. 000 Xxxx Xxxxxx("Xxxxxxx Mississippi"), Xxxxx 000 Xxxxxxxxx, XX 00000 ComdiscoCarpet Recycling of Georgia, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton("Carpet"), MA 02162 Xxxxxx Xxxxxx AssociatesALG, Inc. 000 Xxxxxxxxx Xxxx.("ALG"), Xxx. 000 XxxxxxxxPermaClear East Incorporated ("PermaClear"), Xxx Xxxx 00000 Benefit Capital Management Corporation PTA Resources, LLC ("PTA Resources"), Xxxxxxx Resins, LLC ("Resins") and Fiber Industries, Inc. ("Fiber" and, together with Wellman, Prince, Xxxxxxx Mississippi, Carpet, ALG, PermaClear, PTA Resources and Resins, each individually referred to herein as Investment Manager a "Borrower" and collectively as "Borrowers" with Xxxxxxx acting in its capacity as Funds Administrator for the Prudential Insurance Borrowers), the financial institutions party thereto as Lenders and Deutsche Bank Trust Company Americas, acting in its capacity as administrative agent (the "Administrative Agent") and collateral agent ("Collateral Agent") for the Lenders hereunder (in its capacities as Administrative Agent and Collateral Agent, the "Agent") and (ii) the First Amendment to Credit Agreement (the "Amendment") and (b) consent to the amendment of Americathe Agreement pursuant to the Amendment and the other matters contemplated under the Amendment. Each Subsidiary Guarantor hereby acknowledges and agrees that any of the Credit Documents to which it is a party or otherwise bound shall continue in full force and effect and that all of its obligations thereunder shall be valid and enforceable and shall not be impaired or affected by the execution or effectiveness of the Amendment. Each Subsidiary Guarantor represents and warrants that all representations and warranties applicable to it contained in the Agreement as amended by this Amendment and the Credit Documents to which it is a party or otherwise bound are true and correct in all material respects on and as of the Effective Date (except to the extent that such representations and warranties are expressly made as of a specific date, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxxin which event such representations and warranties shall have been true and correct in all material respects on and as of such specified date). Each Subsidiary Guarantor acknowledges and agrees that (i) notwithstanding the conditions to effectiveness set forth in the Amendment, XX 00000 Schedule IIeach Subsidiary Guarantor is not required by the terms of the Agreement or any other Credit Document to consent to the amendment of the Agreement effected pursuant to the Amendment and (ii) nothing in the Agreement or the Amendment or any other Credit Document shall be deemed to require the consent of any Subsidiary Guarantor to any future amendment of the Agreement or any other Credit Document. Exhibit A

Xxxxxxxx. Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] WA&H InvestmentTitle: Chairman & CEO IBIQUITY DIGITAL CORPORATION, L.L.C. By: Xxxxxxx, Xxxxxx & Xxxxxxxxx Group, L.L.C. Its Managing Member By: ----------------------------------- Its: Rosewood Stone Group, Inc. By: ------------------------------------ Its: Boston Safe Deposit and Trust Company as Trustee of the U S WEST Pension Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President Boston Safe Deposit and Trust Company as Trustee of the U S WEST Benefit Assurance Trust By: ------------------------------------ Xxxxxxx X. Xxxx Vice President --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxx X. Xxxxxx --------------------------------------- Xxxxxxx X. Xxxxxxxx /s/ Xxxxxxxx Xxxxx --------------------------------------- Xxxxxxxx Xxxxx [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. a Subsidiary Guarantor By: /s/ Xxxx X. Xxxxxx ------------------------------------ XXX XXXXXXXX Name: Xxx Xxxxxxxx Title: CFO DTS, Inc. First Amendment to Credit Agreement Signature Page XXXXX FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent and Lender By: /s/ XXXX XXXX Name: Xxxx Xxxx Title: SVP DTS, Inc. First Amendment to Credit Agreement Signature Page BANK OF THE WEST, as Lender By: /s/ XXXXX X. XXXXXX Name: Xxxxx X. Xxxxxx Title: Assistant Vice President Xxxxxx/Xxxxxx Associates, Inc. By: ------------------------------------ Name: Title: [Signature Page to Amended and Restated Registration Rights Agreement] Comdisco, Inc. By: ------------------------------------ Name: Title: Xxxxxx/Xxxxxx Associates, Inc. Director By: /s/ Xxxxxxx X. XXXXXX XXXXXX Name: Xxxxxx ------------------------------------ Xxxxxx Title: Managing Director DTS, Inc. First Amendment to Credit Agreement Signature Page MUFG UNION BANK, N.A., as Lender By: /s/ XXXXXXX XXXX Name: Xxxxxxx X. Xxxx Title: Vice President DTS, Inc. First Amendment to Credit Agreement Signature Page COMPASS BANK, as Lender By: /s/ XXXXXX XXXXXXXX Name: Xxxxxx Xxxxxxxx Title: SVP DTS, Inc. First Amendment to Credit Agreement Signature Page HSBC BANK USA, NATIONAL ASSOCIATION, as Lender By: /s/ XXXXX XXXXXX Name: Xxxxx Xxxxxx Title: Treasurer Dated: June 13, 1997 BENEFIT CAPITAL MANAGEMENT CORPORATION AS INVESTMENT MANAGER FOR THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, SEPARATE ACCOUNT NUMBER VCA-GA-5298 By: /s/ Xxx XxXxxxx ---------------------------------- Xxx XxXxxxx Xx. Vice President, Chief Financial Officer of Benefit Capital Management Corporation SCHEDULE 1 ---------- BancBoston Ventures Inc. Mezzanine & Equity Financing 000 Xxxxxxx Xxxxxx, 00xx Xxxxx Xxxxxx, XX 00000 Polaris Venture Partners, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 Polaris Venture Partners Founders= Fund, L.P. Xxx Xxxx Xxxxxx Xxxxxx, Xxxxx 0000 Xxxxxx, XX 00000 WA&H Investment, L.L.C. 000 Xxxxxxxxx Xxxxxx Xxxxxxxxxxx, XX 00000 U S WEST Pension Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 U S WEST Benefit Assurance Trust c/o Boston Safe Deposit and Trust as Trustee Xxx Xxxxx Xxxx Xxxxxxx, XX 00000-0000 Rosewood Stone GroupPresident DTS, Inc. 0000 Xxxxxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00000 Xxxxxxxxxxx Xxxxxx Xxxxxxxxx, XX 00000 Xxxxxx X. Xxxxxx 00 Xxxxxx Xxxx Xxxxxx, XX 00000-0000 Xxxxxxx X. Xxxxxxxx 00000 Xxxx Xxxxx Xxxx Xxxxxxxx, XX 00000 Xxxxxxxx Xxxxx Xxxxx Enterprises, Inc. 000 Xxxx Xxxxxx, Xxxxx 000 Xxxxxxxxx, XX 00000 Comdisco, Inc. Xxx Xxxxxx Xxxxxxxxx Park Suite 302 Newton, MA 02162 Xxxxxx Xxxxxx Associates, Inc. 000 Xxxxxxxxx Xxxx., Xxx. 000 Xxxxxxxx, Xxx Xxxx 00000 Benefit Capital Management Corporation as Investment Manager for the Prudential Insurance Company of America, Separate Account Number VCA-GA-5298 00 Xxx Xxxxxxxxx Xxxx Section E-2 Xxxxxxx, XX 00000 Schedule IIFirst Amendment to Credit Agreement