Level 18, Boulevard Plaza 2 Burj Khalifa District PO Box 1756, Dubai United Arab Emirates ‫دﻧﺗوﻧز أﻧد ﻛو‬ ٢ ‫ ﺑوﻟﯾﻔﺎرد ﺑﻼزا‬١٨ ‫اﻟطﺎﺑﻖ‬ ‫ﺣﻲ ﺑرج ﺧﻠﯾﻔﺔ‬ ‫ دﺑﻲ‬، ١٧٥٦ ‫ص ب‬ ‫اﻹﻣﺎرات اﻟﻌرﺑﯾﺔ اﻟﻣﺗﺣدة‬ Contents 1 Interpretation 2 2 Grant of Rights 4 3 Exercise Price 5 4 Payments 5 5 Deposit of Deed 6 6 Benefit of Deed 6 7 Notices 6 8 Exercise of Rights 7 9 Limited Recourse 8 10 Severability 8 11 Further Assurance 8 12 Shari’a compliance 8 13 Change in Status 8 14 Amendments 9 15 The Contracts (Rights of Third Parties) Act 1999 9 16 No Immunity 9 17 Governing Law 9 18 Dispute Resolution 9 Schedule 1 - Form of Exercise Notice 12 Schedule 2 - Form of IsDB Purchase Agreement 13 Contents (i) Purchase Undertaking Deed This Purchase Undertaking Deed (this Deed) is dated 30 September 2024 and made as a deed, By (1) The Islamic Development Bank, whose principal office is at 8111 King Khalid Street, Al Nuzlah Al Yamania District – Unit No. 1, Jeddah 22332-2444, Kingdom of Saudi Arabia (the IsDB) In favour of: (1) IDB Trust Services Limited, a company incorporated under the laws of Jersey, whose registered office is at 44 Esplanade, St Helier, Jersey JE4 9WG (in its capacity as issuer and its capacity as trustee for the Certificateholders); and (2) IsDB Trust Services No.2 SARL, a private limited liability company (société à responsabilité limitée) incorporated under the laws of the Grand Duchy of Luxembourg, registered with the Luxembourg trade and companies register (Registre de commerce et des sociétés, Luxembourg) under number B247570 having its registered office at 28, Boulevard F.W. ... References in this Deed to Clauses, sub-Clauses and Schedules shall, unless the context otherwise requires, be references to clauses and sub-clauses of, and schedules to, this Deed. 1.2.2 References in this Deed to a person shall be construed as a reference to any individual, firm, company, body corporate, government, state or state entity or any association or partnership (whether or not having separate legal personality) or any two or more of the foregoing. 1.2.3 References in this Deed to any person shall include references to his successors, transferees and assigns and any person deriving title under or through them. 1.2.4 References in this Deed to any statutory provision shall, unless the context otherwise requires, be deemed also to refer to any statutory modifications or re-enactments thereof and to any statutory instruments, orders or regulations made thereunder or under any such reenactments. 1.2.5 References in this Deed to any agreement or other document shall be deemed also to refer to such agreement or document as modified, novated, supplemented or replaced from time to time with the prior consent of the parties thereto. 1.2.6 References herein to Portfolio or Additional Portfolio Assets are, in respect of each Series, to such Portfolio or Additional Portfolio Assets as are purchased by the relevant Trustee and not subsequently repurchased by the IsDB. 1.2.7 References herein to an amount falling due in respect of any Trust Certificates shall be deemed to include any amounts which are expressed to be payable under such Trust Certificates. 1.2.8 For the purpose of this Deed, the Trust Certificates of each Series shall form a separate Series and the provisions of this Deed (other than the Schedules) shall apply mutatis mutandis separately and independently to the Trust Certificates of each Series and, in this Deed, the expressions Trust Certificates, Certificateholders and related expressions shall be construed accordingly.

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