CHANGE OF AUDITOR

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.Melco International Development Limited (Incorporated in Hong Kong with limited liability) Website : www.melco-group.com (Stock Code : 200) CHANGE OF AUDITOR This announcement is made by the board of directors (the “Board”) of Melco International Development Limited (the “Company” together with its subsidiaries are collectively referred to as the “Group”) pursuant to Rule 13.51(4) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.The Board hereby announces that Ernst & Young (“EY”) has resigned as the auditor of the Company with effect from 28 June 2024. The Board with the recommendation from the Company’s audit committee has resolved to appoint Deloitte Touche Tohmatsu (“Deloitte”) as the new auditor of the Company to fill the casual vacancy following the resignation of EY and to hold office until the conclusion of the next annual general meeting of the Company.Melco Resorts & Entertainment Limited (“Melco Resorts” together with its subsidiaries are collectively referred to as the “Melco Resorts Group”) a major subsidiary of the Company and a major contributor to the Group’s results on 7 June 2024 reported that its board of directors approved the appointment of Deloitte & Touche LLP located in Singapore as Melco Resorts’ independent registered public accounting firm for the audits of Melco Resorts’ consolidated financial statements and internal control over financial reporting to be filed with the United States Securities and Exchange Commission effective on 5 June 2024. The change of Melco Resorts’ independent registered public accounting firm was recommended by the audit and risk committee (the “MRE Audit Committee”) of the board of directors of Melco Resorts and made after a review process conducted by the MRE Audit Committee.The determination of the Company to appoint Deloitte in place of EY as the new auditor of the Company was taken by the Board on the recommendation of the audit committee of the Company as appointing the same auditor of Melco Resorts would align the audit arrangements between the Company and Melco Resorts Group enhancing the efficiency of the audit services and saving cost which would be in the best interest of the Company as well as its shareholders as a whole.The Company has on 28 June 2024 received a letter from EY confirming that up to the date of this announcement there are no matters that should be brought to the attention of the shareholders of the Company. The Board has also confirmed that there is no disagreement between EY and the Company and there are no other matters in respect of the change of the auditor that need to be brought to the attention of the shareholders of the Company. 1The Board would like to take this opportunity to express its sincere gratitude to EY for its professional and quality services rendered to the Company during the past years.By Order of the Board of Melco International Development Limited Leung Hoi Wai Vincent Company Secretary Hong Kong 28 June 2024 As at the date of this announcement the Board comprises three Executive Directors namely Mr. Ho Lawrence Yau Lung (Chairman and Chief Executive Officer) Mr. Evan Andrew Winkler (President and Managing Director) and Mr. Chung Yuk Man Clarence; and three Independent Non-executive Directors namely Mr. John William Crawford Mr. Tsui Che Yin Frank and Ms. Karuna Evelyne Shinsho. 2