Common use of Court authorized this Notice Clause in Contracts

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement or wish to be excluded from the Settlement Class.2  If approved by the Court, the Settlement will create a $14.75 million cash fund, plus any interest earned thereon, for the benefit of eligible Settlement Class Members, less any attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes.  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx Family”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which have been asserted on behalf of the Settlement Class against 1 The Stipulation can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Members; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN , 2018 The only way to be eligible to receive a payment from the Net Settlement Fund. EXCLUDE YOURSELF BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2 Class.1  If approved by the Court, the proposed Settlement will create a $14.75 40 million cash fund, plus any interest earned thereoninterest, if any, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court-approved fees, less any expenses, and Taxes. This is an average recovery of approximately $0.55 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenseslitigation expenses, and Taxes$0.39 per allegedly damaged share after deductions for awarded attorneys’ fees and litigation expenses, as discussed more below.  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Class Representatives Public Employees’ Retirement System (“Boston”)of Mississippi, Si Xxxxxxthe Plumbers and Pipefitters National 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, Hong-Xxx Xxxxxxdated as of June 4, Xxxx Xxxxxx, and the Si Tan Nguyen Trust 2021 (the “Xxxxxx Family”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338Stipulation”), which have been asserted on behalf of the Settlement Class against 1 The Stipulation can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC TherapeuticsPension Fund, and Wisconsin Laborers’ Pension Fund (collectively, “Class Representatives” or “Plaintiffs”) that have been asserted on behalf of the Class (defined below) against defendants JELD-WEN Holding, Inc. (“PTC,” “PTC Therapeutics,JELD-WEN” or the “the Company”), and Xxxx X. Xxxx, X. Xxxxxx XxxxxXxxxxxx, and Xxxxx Xxxx X. Xxxxxxxxx, Xxxx X. Xxxxxx (collectively, the “Individual Defendants” and with JELD-WEN, the “Jeld-Wen Defendants”), and Onex Corporation (“Onex”) and its affiliated funds and entities, specifically Onex Partners Manager LP, Onex Partners III LP, Onex Partners III GP LP, Onex US Principals LP, Onex Partners III PV LP, Onex Partners III Select LP, Onex BP Co-Invest LP, Onex Advisor Subco III LLC, Onex American Holdings II LLC, OAH Wind LLC, BP EI LLC and BP XX XX LLC (together, the “Onex Defendants”, and collectively with the Jeld-Wen Defendants, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED ON OR RECEIVED NO LATER THAN BEFORE , 2018 2021 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN FROM THE CLASS ON OR BEFORE , 2018 2021 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN ON OR BEFORE , 2018 2021 Write to the Court about why you do not like the Settlement, the Plan of AllocationAllocation for distributing the proceeds of the Settlement, and/or Co-Lead Class Counsel’s Fee and Expense Application. If you object, you will still be a member of in the Settlement Class. See Question 15 below 14 for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  • The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (ivbelow) certain other matters. Please read this Notice carefullyshould be approved. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2  Class. • If approved by the Court, the Settlement will create a $14.75 million 9,000,000.00 cash fund, plus any interest earned thereonwhich may earn interest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, Tax Expenses, and Taxes.  Taxes (including Taxes that may be assessed by India).2 • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Plaintiff the Public Employees’ Retirement System of Mississippi (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyMississippi PERS”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against Xx. Xxxxx’x Laboratories Ltd. (“Xx. Xxxxx’x” or the “Company”), Xx. Xxxxx’x Laboratories, Inc.; Xxxxxxx Xxxxxxxxx; 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated May 15, 2020 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics2 Payment of the Settlement may be subject to certain Taxes in India. Although Lead Plaintiff and Xx. Xxxxx’x believe that no Taxes will be owed to India, Inc. in order to clarify this issue, certain of the Parties will apply to the Authority for Advance Rulings (the “PTC,” “PTC Therapeutics,” or “AAR”) in India for a ruling on this tax issue. The Parties, at this time, do not know if any Taxes will ultimately be assessed, and if so, the Company”), amount. X.X. Xxxxxx; Xxxxxx Xxxxxxxxxxx; and Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2020 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2020 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiff’s Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2020 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (ivbelow) certain other matters. Please read this Notice carefullyshould be approved. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2 Class.  If approved by the Court, the Settlement will create a $14.75 million 9,000,000.00 cash fund, plus any interest earned thereonwhich may earn interest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, Tax Expenses, and Taxes. Taxes (including Taxes that may be assessed by India).2  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Plaintiff the Public Employees’ Retirement System of Mississippi (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyMississippi PERS”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against Xx. Xxxxx’x Laboratories Ltd. (“Xx. Xxxxx’x” or the “Company”), Xx. Xxxxx’x Laboratories, Inc.; Xxxxxxx Xxxxxxxxx; 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated May 15, 2020 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics2 Payment of the Settlement may be subject to certain Taxes in India. Although Lead Plaintiff and Xx. Xxxxx’x believe that no Taxes will be owed to India, Inc. in order to clarify this issue, certain of the Parties will apply to the Authority for Advance Rulings (the “PTC,” “PTC Therapeutics,” or “AAR”) in India for a ruling on this tax issue. The Parties, at this time, do not know if any Taxes will ultimately be assessed, and if so, the Company”), amount. X.X. Xxxxxx; Xxxxxx Xxxxxxxxxxx; and Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2020 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2020 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiff’s Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2020 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON Ask to speak in Court at the Settlement Hearing about the , 2018 2020 AND Settlement. See Question below for details. FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN BY , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. 2020 DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give Get no payment. Give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to must decide whether to approve the Settlement. Payments will be made to all Class Members who timely submit valid Proof of Claim and Release forms (“Claim Forms”) and qualify for payment under the Plan of Allocation, if the Court approves the Settlement and after any appeals appeals, if any, are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  • The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (iv) certain other matters. Please read this Notice carefullybelow). This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2  Class. • If approved by the Court, the Settlement will create a $14.75 million 15,750,000 cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System Granite Point Capital Master Fund, LP, Granite Point Capital Panacea Global Healthcare, Granite Point Capital Scorpion Focused Ideas Fund (collectively, “Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyGranite Point”) and Xxxxx Xxxxx (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which ) that have been asserted on behalf of the Settlement Class against 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated , 2019 (the “Stipulation”), which can be viewed at wwwxxx.XxxxxxxxxXxxxxx.xxx. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (defined below) against Prothena Corporation plc (“PTC,” “PTC Therapeutics,Prothena” or the “the Company”), Xxxxxx XxxxxXx. Xxxx Xxxxxx, Xxxx X. Xxxxxx, and Xx. Xxxxx Xxxxxx Xxxxxxxx, M.D., Ph.D. (collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2019 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2019 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2019 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON Ask to speak in Court at the Settlement Hearing about the , 2018 2019 AND Settlement. See Question below for details. FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN BY , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. 2019 DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give Get no payment. Give up rights, and you will still be bound by the Settlement.  • These rights and options—and the deadlines to exercise them—are explained in this Notice.  • The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made to all Settlement Class Members who timely submit valid Claim Forms, if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  • The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (iv) certain other matters. Please read this Notice carefullybelow). This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2  Class. • If approved by the Court, the Settlement will create a $14.75 million 15,750,000 cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System Granite Point Capital Master Fund, LP, Granite Point Capital Panacea Global Healthcare, Granite Point Capital Scorpion Focused Ideas Fund (collectively, “Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyGranite Point”) and Xxxxx Xxxxx (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which ) that have been asserted on behalf of the Settlement Class against 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated , 2019 (the “Stipulation”), which can be viewed at wwwxxx.XxxxxxxxxXxxxxx.xxx. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (defined below) against Prothena Corporation plc (“PTC,” “PTC Therapeutics,Prothena” or the “the Company”), Xxxxxx XxxxxXx. Xxxx Xxxxxx, Xxxx X. Xxxxxx, and Xx. Xxxxx Xxxxxx Xxxxxxxx, M.D., Ph.D. (collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2019 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2019 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2019 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose Notice of this Notice is to inform you ofPendency of Class Action: (i) the pendency of the above-captioned securities Please be advised that your rights may be affected by a class action lawsuit pending in this Court (the “Action”) if, during the period from January 6, 2004 through January 6, 2009, inclusive, you (a) purchased or acquired the American Depositary Shares (“ADSs”) of Xxxxxx Computer Services Ltd. (“Xxxxxx”) traded on the New York Stock Exchange (“NYSE”), ticker symbol: NYSE: SAY; or (iib) purchased or acquired Xxxxxx Ordinary Shares traded on the proposed settlement National Stock Exchange of India or the Action Bombay Stock Exchange (together, the “SettlementIndian Exchanges”) on the terms and conditions provided for while residing in the Stipulation and Agreement United States.1 Notice of Settlement, dated March 1, 2018 (Class Action Settlements: Please also be advised that the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement or wish to be excluded from the Settlement Class.2  If approved by the Court, the Settlement will create a $14.75 million cash fund, plus any interest earned thereon, for the benefit of eligible Settlement Class Members, less any attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes.  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx Family”) (collectively, “Lead Plaintiffs”), on behalf of themselvesthemselves and the Class (as defined in the response to Question 5 below)2, have reached two proposed settlements of the Action, one with Xxxxxx that provides for payment of $125,000,000 in cash, plus the possibility of some additional recovery in the future as discussed in response to Question 8 below (collectively, the “Xxxxxx Settlement Amount”) and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund the other with Price Waterhouse (Bangalore), PricewaterhouseCoopers Private Limited, Lovelock & Lewes (together, the “Local 338PwC India Defendants”), which have been asserted on behalf PricewaterhouseCoopers International Limited, PricewaterhouseCoopers LLP (“PwC USA”) (together with the PwC India Defendants, the “PwC Entities” and, along with Xxxxxx, the “Settling Defendants”) that provides for payment of $25,500,000 in cash (the “PwC Settlement Class Amount”).3 The Action is continuing against the 1 The Stipulation can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice shall have the same meanings as defined provided in the Stipulation and Agreement of Settlement with Defendant Xxxxxx Computer Services Ltd. dated February 16, 2011 (the “Xxxxxx Stipulation. PTC Therapeutics”) and the Stipulation and Agreement of Settlement Between Lead Plaintiffs and the PwC Entities dated April , Inc. 2011 (the “PTC,PwC Stipulation” and, together with the Xxxxxx Stipulation, the “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “DefendantsStipulations”). It avoids 2 As set forth in the costs response to Question 5 below, the Class includes two subclasses of persons who purchased Xxxxxx ADSs and risks Ordinary Shares through the exercise of continuing stock options awarded by Xxxxxx through employee stock option plans. The proposed representative for the litigation; pays money subclasses is additional named plaintiff Xxxxx X. Xxxxx. 3 Collectively, the two settlements shall be referred to eligible Settlement Class Members; and releases herein as the Released Defendant Parties (defined below) “Settlements.” Non-Settling Defendants.4 • The Settlements, if approved, will resolve claims against the Settling Defendants. The Settlements do not resolve claims against any other defendants, the prosecution of which will continue. • This Notice explains important rights you may have, including your possible receipt of cash from liabilitythe Settlements. If you are a Settlement Class Membermember of the Class, your legal rights will be affected by this Settlement whether or not you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN , 2018 The only way to be eligible to receive a payment from the Net Settlement Fund. EXCLUDE YOURSELF BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  ! • The Court in charge of this case the Action still has to decide whether to must approve each of the SettlementSettlements. Payments with respect to each Settlement will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient. YOUR LEGAL RIGHTS AND OPTIONS IN THE SETTLEMENTS: SUBMIT A CLAIM FORM POSTMARKED NO LATER THAN , 2011. This is the only way to be eligible to get a payment. EXCLUDE YOURSELF FROM THE CLASS BY SUBMITTING A WRITTEN REQUEST FOR EXCLUSION SO THAT IT IS RECEIVED NO LATER THAN AUGUST 19, 2011. Get no payment. This is the only option that allows you to ever be part of any other lawsuit against Xxxxxx, the PwC Entities or any of the other Released Settling Defendant(s) Parties (as defined in the response to Question 12 below) concerning the claims that were, or could have been, asserted in this case. If you exclude yourself from the Class, you will also be excluding yourself from the remainder of the Action and will not be eligible to participate in any subsequent recoveries obtained in the Action. OBJECT TO EITHER OR BOTH OF THE SETTLEMENTS BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN AUGUST 19, 2011. Write to the Court and explain why you do not like either or both of the Settlements, the proposed Plan of Allocation, and/or Lead Counsel’s request for attorneys’ fees and reimbursement of expenses. You cannot object unless you are a Class Member and do not exclude yourself. FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN AUGUST 19, 2011, AND GO TO THE HEARING ON SEPTEMBER 8, 2011 AT 3:00 P.M. Ask to speak in Court about the fairness of either or both of the Settlements, the proposed Plan of Allocation, and/or Lead Counsel’s request for attorneys’ fees and reimbursement of expenses. DO NOTHING Get no payment. Remain a Class Member. Give up your rights to pursue the Released Plaintiffs’ Claims as discussed and defined in Question 12 below. 4 The Non-Settling Defendants include: Xxxxxxx Xxxxxxxxx Xxxx, Xxxxxxx Xxxx Xxxx, Xxxxxxxxx Xxxxxxxx, Maytas Infra Limited, Maytas Properties, Xxxxxxx Xxxx Xxxx, Xxxxxxx Xxxx Xxxx Xx., Xxxxxxxx Xxxxxxxxxx, Xxxxxxx X. Xxxxxx, X. Xxxxxxxx Xxx, X.X. Xxxxxx, V.S. Xxxx, Xxxxx X. Xxxx, and Xxx Xxxxxxxxx. SUMMARY OF THIS NOTICE

Court authorized this Notice. This is not a solicitation from a lawyer.  • The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (iv) certain other matters. Please read this Notice carefullybelow). This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2  Class. • If approved by the Court, the Settlement will create a an $14.75 11 million cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes.  This is an average recovery of approximately $0.38 per allegedly damaged share, before these deductions. • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Plaintiff Xxxx Xxxxxx, and the Si Tan Nguyen Trust Xxxxxxx (the “Xxxxxx FamilyLead Plaintiff”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against CPI, Xxxxxx Xxxxxxxx, Xxxxx Xxxxx, Xxxxx Xxxxxxxx, Xxxxxxx Xxxxxx, Xxxxxxxx Xxxxxx, Xxxxxx Xxxxxx, and Xxxxx Xxxxxxxx (collectively, the “Individual Defendants”), Tricor Pacific Capital Partners (Fund IV), Limited Partnership, Tricor Pacific Capital Partners (Fund IV) US, Limited Partnership, and Tricor Pacific Capital, Inc. (collectively, the “Tricor Fund Defendants”), as well as BMO Capital Markets Corp., Xxxxxxx Sachs & Co. LLC (f/k/a Xxxxxxx, Xxxxx & Co.), CIBC World Markets Inc., Xxxxxx X. Xxxxx & Co. Incorporated, Xxxxxxx Xxxxx & Company, L.L.C., Xxxxxxx Xxxxx & Associates, Inc., Scotia Capital (USA) Inc., and Xxxxxxxxx XxXxxxxx Corp. 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated , 2018 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, the “Underwriter Defendants” and with CPI, the Individual Defendants, and the Tricor Fund Defendants, collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON Ask to speak in Court at the Settlement Hearing about the , 2018 AND Settlement. See Question below for details. FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN BY , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give Get no payment. Give up rights, and you will still be bound by the Settlement.  • These rights and options—and the deadlines to exercise them—are explained in this Notice.  • The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made to all Settlement Class Members who timely submit valid Claim Forms, if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2 Class.1  If approved by the Court, the proposed Settlement will create a $14.75 39 million cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court-approved fees, less any expenses, and Taxes. This is an average recovery of approximately $0.95 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Litigation Expenses, and Taxes$0.77 per allegedly damaged share after deductions for awarded attorneys’ fees and Litigation Expenses.  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement Plaintiff Firefighters’ Pension System (“Boston”)of the City of Kansas City, Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Missouri Trust (the “Xxxxxx FamilyLead Plaintiff”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against WWE, Xxxxxxx X. XxXxxxx, Xxxxxx X. Xxxxxxx, and Xxxxxxxx X. Xxxxxx (collectively, “Defendants”). It 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated December 22, 2020 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2021 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2021 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiff’s Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2021 Write to the Court about why you do not like the Settlement, the Plan of AllocationAllocation for distributing the proceeds of the Settlement, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of in the Settlement Class. See Question 15 below 14 for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. • This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2  Class.1 • If approved by the Court, the proposed Settlement will create a $14.75 million cash 125,000,000 fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court- approved fees, less any expenses, and Taxes. This is an average recovery of approximately $0.76 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Litigation Expenses, and Taxes$0.56 per allegedly damaged share after deductions for awarded attorneys’ fees and Litigation Expenses.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Class Representatives Erste Asset Management GmbH, f/k/a Erste-Sparinvest Kapitalanlagegesellschaft mbH (“Erste”) and Public Employee Retirement System of Idaho (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyPERSI”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Class (defined below) against Alexion, Xxxxxxx Xxxx, Xxxxx X. Xxxxxx, and Xxxxx Xxxxx (collectively, “Defendants”). The Settlement Class against avoids the costs and risks of continuing 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated September , 2023 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2023 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF FROM THE CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2023 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiffs’ Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2023 Write to the Court about why you do not like the Settlement, the Plan of AllocationAllocation for distributing the proceeds of the Settlement, and/or Co-Lead Class Counsel’s Fee and Expense Application. If you object, you will still be a member of in the Settlement Class. See Question 15 below 14 for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (ivbelow) certain other matters. Please read this Notice carefullyshould be approved. This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2 Class.  If approved by the Court, the Settlement will create a $14.75 million 9,000,000.00 cash fund, plus any interest earned thereonwhich may earn interest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, Tax Expenses, and Taxes. Taxes (including Taxes that may be assessed by India).2  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Plaintiff the Public Employees’ Retirement System of Mississippi (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyMississippi PERS”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against Xx. Xxxxx’x Laboratories Ltd. (“Xx. Xxxxx’x” or the “Company”), Xx. Xxxxx’x Laboratories, Inc.; Xxxxxxx Xxxxxxxxx; 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated May 15, 2020 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Members; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN , 2018 The only way to be eligible to receive a payment from the Net Settlement Fund. EXCLUDE YOURSELF BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member 2 Payment of the Settlement Classmay be subject to certain Taxes in India. See Question 15 below Although Lead Plaintiff and Xx. Xxxxx’x believe that no Taxes will be owed to India, in order to clarify this issue, certain of the Parties will apply to the Authority for detailsAdvance Rulings (the “AAR”) in India for a ruling on this tax issue. GO TO A HEARING ON The Parties, 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN at this time, 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You know if any Taxes will not ultimately be eligible to receive a payment from the Net Settlement Fund, you will give up rightsassessed, and you will still be bound by if so, the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patientamount.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) of the pendency of the above-captioned this securities class action (the “Action”); (ii) , the proposed settlement of the Action (the “Settlement”) on the terms Settlement”),1 and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the a hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will to consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; and (iii) Co-Lead Counsel’s Fee application for attorneys’ fees and Expense Application; expenses (see pages and (iv) certain other matters. Please read this Notice carefullybelow). This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement Settlement, wish to object, or wish to be excluded from the Settlement Class.2 Class.  If approved by the Court, the Settlement will create a an $14.75 11 million cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class Members, less any after the deduction of attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenses, and Taxes. This is an average recovery of approximately $0.38 per allegedly damaged share, before these deductions.  The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System (“Boston”), Si Xxxxxx, Hong-Xxx Xxxxxx, Plaintiff Xxxx Xxxxxx, and the Si Tan Nguyen Trust Xxxxxxx (the “Xxxxxx FamilyLead Plaintiff”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against CPI, Xxxxxx Xxxxxxxx, Xxxxx Xxxxx, Xxxxx Xxxxxxxx, Xxxxxxx Xxxxxx, Xxxxxxxx Xxxxxx, Xxxxxx Xxxxxx, and Xxxxx Xxxxxxxx (collectively, the “Individual Defendants”), Tricor Pacific Capital Partners (Fund IV), Limited Partnership, Tricor Pacific Capital Partners (Fund IV) US, Limited Partnership, and Tricor Pacific Capital, Inc. (collectively, the “Tricor Fund Defendants”), as well as BMO Capital Markets Corp., Xxxxxxx Sachs & Co. LLC (f/k/a Xxxxxxx, Xxxxx & Co.), CIBC World Markets Inc., Xxxxxx X. Xxxxx & Co. Incorporated, Xxxxxxx Xxxxx & Company, L.L.C., Xxxxxxx Xxxxx & Associates, Inc., Scotia Capital (USA) Inc., and Xxxxxxxxx XxXxxxxx Corp. 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated , 2018 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, the “Underwriter Defendants” and with CPI, the Individual Defendants, and the Tricor Fund Defendants, collectively, the “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question below for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON Ask to speak in Court at the Settlement Hearing about the , 2018 AND Settlement. See Question below for details. FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN BY , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give Get no payment. Give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made to all Settlement Class Members who timely submit valid Claim Forms, if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. • This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2  Class.1 • If approved by the Court, the proposed Settlement will create a $14.75 39 million cash fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court-approved fees, less any expenses, and Taxes. This is an average recovery of approximately $0.95 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Litigation Expenses, and Taxes$0.77 per allegedly damaged share after deductions for awarded attorneys’ fees and Litigation Expenses.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement Plaintiff Firefighters’ Pension System (“Boston”)of the City of Kansas City, Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Missouri Trust (the “Xxxxxx FamilyLead Plaintiff”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against WWE, Xxxxxxx X. XxXxxxx, Xxxxxx X. Xxxxxxx, and Xxxxxxxx X. Xxxxxx (collectively, “Defendants”). It 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated December 22, 2020 (the “Stipulation”), which can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectively, “Defendants”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2021 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF FROM THE SETTLEMENT CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2021 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiff’s Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2021 Write to the Court about why you do not like the Settlement, the Plan of AllocationAllocation for distributing the proceeds of the Settlement, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of in the Settlement Class. See Question 15 below 14 for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. • This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2  Class.1 • If approved by the Court, the proposed Settlement will create a $14.75 73 million cash fund, plus any interest earned thereoninterest, if any, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court-approved fees, less any expenses, and Taxes. This is an average recovery of approximately $0.19 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Expenseslitigation expenses, and Taxes$0.14 per allegedly damaged share after deductions for awarded attorneys’ fees and litigation expenses, as discussed more below.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Plaintiff Public Employees’ Retirement System of Mississippi (“MissPERS” or “Lead Plaintiff”) and additionally named Plaintiff Monroe County Employees’ Retirement System (“Boston”)Monroe,” and with MissPERS, Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx Xxxxxx, and the Si Tan Nguyen Trust (the “Xxxxxx FamilyPlaintiffs”) (collectively, “Lead Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which that have been asserted on behalf of the Settlement Class (defined below) against 1 The Stipulation can be viewed at www. .com. 2 All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics, Inc. Defendants Xxxxxxx Holdings plc (“PTC,” “PTC Therapeutics,Nielsen” or the “the Company”), Xxxxxx XxxxxXxxxxxxx Barns, Xxxxx Xxxxxxxx, and Xxxxx Xxxxxx Xxxxxxx (collectively, the “Individual Defendants” and, with Nielsen, “Defendants” and, together with Plaintiffs, the “Parties”). It avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated as of March , 2022 (the “Stipulation”), which can be viewed at www. .com. All capitalized terms not defined in this Notice have the same meanings as in the Stipulation. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED ON OR RECEIVED NO LATER THAN BEFORE , 2018 2022 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN FROM THE SETTLEMENT CLASS ON OR BEFORE , 2018 2022 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 Write to the Court about why you do not like the Settlement, the Plan of Allocation, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of the Settlement Class. See Question 15 below for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.

Court authorized this Notice. This is not a solicitation from a lawyer.  The purpose of this Notice is to inform you of: (i) the pendency of the above-captioned securities class action (the “Action”); (ii) the proposed settlement of the Action (the “Settlement”) on the terms and conditions provided for in the Stipulation and Agreement of Settlement, dated March 1, 2018 (the “Stipulation”);1 and (iii) the hearing to be held by the Court (the “Settlement Hearing”). At the Settlement Hearing, the Court will consider: (i) whether the Settlement should be approved; (ii) whether the proposed plan for allocating the net proceeds of the Settlement to eligible members of the Settlement Class (the “Plan of Allocation”) should be approved; (iii) Co-Lead Counsel’s Fee and Expense Application; and (iv) certain other matters. Please read this Notice carefully. • This Notice describes important rights you may have and what steps you must take if you wish to participate in the Settlement of this securities class action, wish to object, or wish to be excluded from the Settlement Class.2  Class.1 • If approved by the Court, the proposed Settlement will create a $14.75 million cash 47,000,000 fund, plus any interest earned thereoninterest, for the benefit of eligible Settlement Class MembersMembers after the deduction of Court-approved attorneys’ fees, less any expenses, and Taxes. This is an average recovery of approximately $1.24 per allegedly damaged share before deductions for awarded attorneys’ fees and expenses awarded by the Court, Notice and Administration Litigation Expenses, and Taxes$0.80 per allegedly damaged share after deductions for awarded attorneys’ fees and Litigation Expenses.  • The Settlement resolves claims by Court-appointed Lead Plaintiffs Boston Retirement System (“Boston”)Xxxxxxx X. Xxxxxxx, Si Xxxxxx, Hong-Xxx Xxxxxx, Xxxx XxxxxxXxxxxxxxxx Xxxxxxxxx Xxxxxxxxx, and the Si Tan Nguyen Trust Xxxxx Xxxxxx (the “Xxxxxx Family”) (collectively, “Lead Plaintiffs” or “Plaintiffs”), on behalf of themselves, and additional plaintiff Retail Wholesale Department Store Union Local 338 Retirement Fund (“Local 338”), which ) that have been asserted on behalf of the Settlement Class (defined below) against Novavax, and Xxxxxxx Xxxx, Xxxxxxx Xxxxxx, Xxxx Xxxxxxxx, and Xxxxxxx Xxxxx (collectively, the 1 The terms of the Settlement are in the Stipulation and Agreement of Settlement, dated January , 2024 (the “Stipulation”), which can be viewed at www. .com. 2 xxx.xxxxxxxxxxxxxxx.xxx/xxxxxxx/. All capitalized terms not otherwise defined in this Notice have the same meanings as defined in the Stipulation. PTC Therapeutics“Individual Defendants” and, Inc. (“PTC,” “PTC Therapeutics,” or “the Company”), Xxxxxx Xxxxx, and Xxxxx Xxxxxx (collectivelywith Novavax, “Defendants”). It The Settlement avoids the costs and risks of continuing the litigation; pays money to eligible Settlement Class Membersinvestors; and releases the Released Defendant Parties (defined below) from liability. If you are a Settlement Class Member, the Settlement will affect your legal rights will be affected by this Settlement whether you act or do not act. Please read this Notice carefully. YOUR LEGAL RIGHTS AND OPTIONS IN THIS SETTLEMENT SUBMIT A CLAIM FORM POSTMARKED OR RECEIVED NO LATER THAN BY , 2018 2024 The only way to be eligible to receive get a payment from the Net Settlement Fundpayment. See Question 8 for details. EXCLUDE YOURSELF FROM THE CLASS BY SUBMITTING A WRITTEN REQUEST SO THAT IT IS RECEIVED NO LATER THAN , 2018 2024 Get no payment. This is the only option that, assuming your claim is timely brought, might allow you to ever bring or be part of any other lawsuit against Defendants and/or the other Released Defendant Parties concerning the Released Plaintiffs’ Claims. If you exclude yourself from the Settlement Class, you will not be eligible to receive any payment from the Net Settlement Fund. See Question 11 below 10 for details. OBJECT TO THE SETTLEMENT BY SUBMITTING A WRITTEN OBJECTION SO THAT IT IS RECEIVED NO LATER THAN , 2018 2024 Write to the Court about why you do not like the Settlement, the Plan of AllocationAllocation for distributing the proceeds of the Settlement, and/or Co-Lead Counsel’s Fee and Expense Application. If you object, you will still be a member of in the Settlement Class. See Question 15 below 14 for details. GO TO A HEARING ON , 2018 AND FILE A NOTICE OF INTENTION TO APPEAR SO THAT IT IS RECEIVED NO LATER THAN , 2018 Ask to speak in Court about the Settlement. If you submit an objection, you may (but you do not have to) attend the hearing and, at the discretion of the Court, speak in Court about your objection. See Question 19 below for details. DO NOTHING You will not be eligible to receive a payment from the Net Settlement Fund, you will give up rights, and you will still be bound by the Settlement.  These rights and options—and the deadlines to exercise them—are explained in this Notice.  The Court in charge of this case still has to decide whether to approve the Settlement. Payments will be made if the Court approves the Settlement and after any appeals are resolved. Please be patient.