MELCO

Melco International Development Limited

新濠國際發展有限公司

(Incorporated in Hong Kong with limited liability)

(於香港註冊成立之有限公司)

Website 網址：www.melco-group.com

(Stock Code 股份代號：200)

NOTIFICATION LETTER 通知信函

29 April 2026

Dear Shareholder(s),

Notification of Publication of 2025 Environmental, Social and Governance Report (the "2025 ESG Report")

We, Melco International Development Limited (the "Company"), hereby notify you that the English and Chinese versions of the 2025 ESG Report are now available in the "Investor Relations" section of the website of the Company at www.melco-group.com and on the website of Hong Kong Exchanges and Clearing Limited ("HKEX") at www.hkexnews.hk. You may access the 2025 ESG Report through the website of the Company and that of HKEX.

Should you have any queries relating to this letter, please contact Customer Service Hotline of Tricor Investor Services Limited at (852) 2980 1333 from 9:00 a.m. to 5:00 p.m., Monday to Friday (excluding public holidays).

Yours faithfully,

For and on behalf of

Melco International Development Limited

Leung Hoi Wai, Vincent

Company Secretary

各位股東：

2025年環境、社會及管治報告(「2025年環境、社會及管治報告」)的刊發通知

新濠國際發展有限公司(「本公司」)謹通知閣下，2025年環境、社會及管治報告的英文及中文版本，現已登載於本公司網站(www.melco-group.com)「投資者關係」一欄，以及香港交易及結算所有限公司(「香港交易所」)網站(www.hkexnews.hk)。閣下可於本公司及香港交易所網站內閱覽2025年環境、社會及管治報告。

倘閣下對本函件有任何查詢，請於星期一至星期五（公眾假期除外）上午9時至下午5時致電卓佳證券登記有限公司客戶服務熱線，電話號碼為(852) 2980 1333。

代表

新濠國際發展有限公司

公司秘書

梁珮威

謹啟

二零二六年四月二十九日