Sustained Infrastructure Holding Co. Announces an update on the signing of one of its portfolio companies, Green Dome Investments (“GDI”), a Sale and Purchase Agreement (“SPA”) to acquire 100% stake in Transcorp International

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Introduction	Pursuant to the announcement made by Sustainable Infrastructure Holding Company ("SISCO Holding") on the Saudi Exchange dated 23-10-2025, related to one of SISCO Holding portfolio companies, Green Dome Investments (“GDI”), in which SISCO Holding owns a 31.67% equity stake, signing of a Sale and Purchase Agreement (SPA) to acquire 100% stake in Transcorp International, SISCO Holding announces that GDI completed the acquisition of a 100% of equity stake in Transcorp on 05-11-2025, for an agreed purchase price of AED 225 million (SAR 229.75 million). The transaction was financed through equity provided by GDI’s shareholders.

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Explanation

Introduction

Pursuant to the announcement made by Sustainable Infrastructure Holding Company ("SISCO Holding") on the Saudi Exchange dated 23-10-2025, related to one of SISCO Holding portfolio companies, Green Dome Investments (“GDI”), in which SISCO Holding owns a 31.67% equity stake, signing of a Sale and Purchase Agreement (SPA) to acquire 100% stake in Transcorp International, SISCO Holding announces that GDI completed the acquisition of a 100% of equity stake in Transcorp on 05-11-2025, for an agreed purchase price of AED 225 million (SAR 229.75 million). The transaction was financed through equity provided by GDI’s shareholders.

As GDI is an equity accounted associated of SISCO Holding, the impact of the transaction on SISCO Holding’s consolidated financial statements for the year ended 31 December 2025 is not material. Any financial impact related to the transaction will be reflected in the Company’s financial statements for the subsequent reporting periods in the ordinary course and in accordance with applicable accounting standards.

SISCO Holding’s, share of this transaction is AED 75.0 million (SAR 76.58 million) of the total purchase price. Previous Announcement the signing of one of its portfolio companies, Green Dome Investments (“GDI”), a Sale and Purchase Agreement (“SPA”) to acquire 100% stake in Transcorp International Date of Previous Announcement on Saudi Exchange’s Website 2025-10-23 Corresponding to 1447-05-01 Hyperlink to the Previous Announcement on the Saudi Exchange Website Click Here Latest Developments Of The Announced Event GDI acquisition of 100% of equity stake in Transcorp International was completed. The costs associated with the event, and if they have changed or not with indication of the reasons. No changes Additional Information There is no material impact of the transaction on SISCO’s financial statements for the 31 December 2025 which have not yet been published.

The Capital Market Authority and Saudi Exchange take no responsibility for the contents of this disclosure, make no representations as to its accuracy or completeness, and expressly disclaim any liability whatsoever for any loss arising from, or incurred in reliance upon, any part of this disclosure, and the issuer accepts full responsibility for the accuracy of the information contained in it and confirms, having made all reasonable enquiries, that to the best of their knowledge and belief, there are no other facts or information the omission of which would make the disclosure misleading, incomplete or inaccurate.