ANNOUNCEMENT ON RESULTS OF THE ISSUANCE OF THE 2024 FIRST TRANCHE OF SUPER-SHORT-TERM BONDS

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.兖矿能源集团股份有限公司 YANKUANG ENERGYGROUPCOMPANY LIMITED* (A joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 01171) ANNOUNCEMENT ON RESULTS OF THE ISSUANCE OF THE 2024 FIRST TRANCHE OF SUPER-SHORT-TERM BONDS This announcement is made pursuant to Part XIVA of the Securities and Futures Ordinance and Rules 13.09(2)(a) and 13.10B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.On 6 May 2023 Yankuang Energy Group Company Limited* (the “Company”) was approved to register issuance of financing instruments (ZhongShiXieZhu〔2023〕No. DFI24) for a term of two years.On 1 July 2024 the Company successfully issued the 2024 first tranche of super-short-term bonds (the “Issuance”). The proceeds from the Issuance is RMB3.0 billion which has been received by the Company by 2 July 2024. The details of the Issuance are as follows: Key terms of the Issuance 2024 first tranche of super- Name short-term bonds ofYankuang Energy Group Abbreviation 24YankuangEnergySCP001 Company Limited* Code 012482024 Term 181 days Value date 2 July 2024 Redemptiondate 30 December 2024 Proposed issuance RMB3.0 billion Actual issuance RMB3.0 billion amount amount 1Interest rate 1.82% Issue price RMB100 per unit (each withRMB100 face value) Bookrunner China Everbright Bank Company Limited Lead underwriter China Everbright Bank Company Limited Joint lead underwriter China CITIC Bank Corporation Limited Please refer to the website of Chinamoney (www.chinamoney.com.cn) and the website of Shanghai Clearing House (www.shclearing.com) for the relevant documents for the Issuance.By order of the Board Yankuang Energy Group Company Limited* Li Wei Chairman of the Board Zoucheng Shandong Province the PRC 3 July 2024 As at the date of this announcement the Directors of the Company are Mr. Li Wei Mr. Xiao Yaomeng Mr. Liu Jian Mr. Liu Qiang Mr. Zhang Haijun Mr. Su Li and Mr. Huang Xiaolong and the independent non- executive Directors of the Company are Mr. Peng Suping Mr. Zhu Limin Mr. Woo Kar Tung Raymond and Ms. Zhu Rui.* For identification purpose only 2