Sustainable Infrastructure Holding Company ("SISCO Holding"), announces that one of its portfolio company, Green Dome Investments (“GDI”), signed a Sale and Purchase Agreement (“SPA”) to acquire 100% stake in Transcorp International

Element List	Explanation
Transaction Details	Jeddah, Saudi Arabia, October 2025: Sustainable Infrastructure Holding Company ("SISCO Holding", "TADAWUL: 2190"), announces that one of its portfolio company, Green Dome Investments (“GDI”), in which SISCO Holding owns a 31.67% equity stake, has signed a Sale and Purchase Agreement (“SPA”) to acquire a 100% stake in Transcorp International.

The total purchase price for the transaction is AED 225 million (SAR 229.75 million), and it will be financed through equity provided by GDI’s shareholders.

SISCO Holding’s, share of this will be AED 75.0 million (SAR 76.58 million) of the total purchase price. Transaction Amount The purchase price for 100% of Transcorp International is AED 225 million (SAR 229.75 million) Transaction Conditions The owner will remain with the company and continue to drive its growth in partnership with GDI.

The transaction is subject to customary closing conditions. Parties of the Transaction Buyer: Green Dome Investments

Seller: Transcorp International Transaction Financing Method Equity financing provided by GDI shareholders. Date of Entering Into The Transaction 2025-10-22 Corresponding to 1447-04-30 Description of Activity of The Asset Subject of The Transaction Founded in 2013, Transcorp is a logistics and supply chain company specializing in smart cold-chain and temperature-controlled services. It provides warehousing, transportation, and last-mile delivery for both dry and temperature-sensitive cargo, serving industries like e-commerce, retail, and food services. The company has established a strong foothold in 50 key cities across the UAE, Saudi Arabia, and Qatar, and boasts a robust team of over 1,000 professionals operating throughout the region. Financial Statements for the Last Three Years of the Asset forming the Subject Matter of the Transaction Revenues (’000s):

2022: AED 60.8 million (SAR 62.08 million).

2023: AED 75.8 million (SAR 77.39 million)

2024: AED 109.4 million (SAR 111.70 million) Transaction reasons GDI’s acquisition of Transcorp expands its services and customer base, boosts efficiency and innovation across Gulf markets, and secures cross-border access - strengthening its Saudi presence and positioning it as a regional transportation provider.

The Transcorp acquisition reflects SISCO Holding’s strategic focus on enabling its portfolio companies to capture growth opportunities that enhance long-term shareholder and stakeholder value. Expected Impact of the Transaction on the Company and Its Operations A positive financial impact on GDI and SISCO Holding’s financial statements expected upon completion of the transaction. Related Parties None Attached Documents

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.