Yancoal Australia Ltd (YANCOAL AUS) has issued an Overseas Regulatory Announcement to comply with Rule 13.10B of the Hong Kong Stock Exchange Listing Rules. The notice informs shareholders that an announcement was published on 12 May 2026 on the Australian Securities Exchange (ASX). Specific details of that ASX document were not included in the Hong Kong filing; investors are directed to the ASX platform for the complete text.

The Hong Kong announcement reaffirms that the Australian Securities Exchange, Hong Kong Exchanges and Clearing Limited, and The Stock Exchange of Hong Kong Limited assume no responsibility for the contents of the released information.

Corporate governance information was also reiterated: • Chairman: Gang Ru • Executive Director: Ning Yue • Non-executive Directors: Gang Ru, Jiuhong Wang, Xiaolong Huang, Zhiguo Zhao, Ang Li • Independent Non-executive Directors: Gregory James Fletcher, Debra Anne Bakker, Peter Andrew Smith

The statement underscores Yancoal’s adherence to cross-listing disclosure standards and its ongoing commitment to transparent communication across both the ASX and HKEX markets.