2Q 2024 Quarterly Report date and webcast

Australian Securities Exchange 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.Yancoal Australia Ltd ACN 111 859 119 兖煤澳大利亚有限公司* (Incorporated in Victoria Australia with limited liability) (Hong Kong stock code: 3668) (Australian stock code: YAL) OVERSEAS REGULATORY ANNOUNCEMENT This announcement is issued pursuant to Rule 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.Please refer to the attached announcement which has been published by Yancoal Australia Ltd on the website of the Australian Securities Exchange on 11 July 2024.By order of the Board Yancoal Australia Ltd Gang RU Chairman Hong Kong 11 July 2024 As of the date of this announcement the executive Director is Mr. Ning Yue the non-executive Directors are Mr. Gang Ru Mr. Yaomeng Xiao Mr. Xiaolong Huang and Mr. Changyi Zhang and the independent non-executive Directors are Mr. Gregory James Fletcher Dr. Geoffrey William Raby and Ms Debra Anne Bakker.*For identification purposes onlyYANCOAL AUSTRALIA LTD ADDRESS: Level 18 Tower 2 201 Sussex Street Sydney NSW 2000 PHONE: 61 2 8583 5300 FAX: 61 2 8583 5399 WEBSITE: www.yancoal.com.au 11 July 2024 Market Release: 2Q 2024 Quarterly Report date and webcast Yancoal Australia Ltd (the “Company”) plans to release its 2Q 2024 Quarterly Report on 18 July 2024 after 6:30pm AEST.The Company will host a webcast for investors and analysts the following day. These are details for the webcast: * Date - Friday 19 July 2024 * Start time - 11:00am Sydney 9:00am Hong Kong * Webcast link - https://edge.media-server.com/mmc/p/etnp7tc3 Participants are advised to register for the webcast ahead of the scheduled start time. The webcast has the capability to dial out to registered participants ahead of the call commencing.END Authorised for lodgement by the Yancoal Disclosure Committee Investor Relations Contact: Brendan Fitzpatrick GM Investor Relations Email: Brendan.Fitzpatrick@yancoal.com.au Additional information about the Company is available at www.yancoal.com.au