POLL RESULTS OF THE ANNUAL GENERAL MEETINGHELD ON 31 MAY 2024

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.(Incorporated in Bermuda with limited liability) (Stock Code: 00346) POLL RESULTS OF THE ANNUAL GENERAL MEETING HELD ON 31 MAY 2024 Reference is made to the notice (the “Notice”) of the annual general meeting (the “AGM”) and the circular (the “Circular”) of Yanchang Petroleum International Limited (the “Company”) both dated 25 April 2024. Capitalised terms used in this announcement shall have the same meanings as defined in the Notice of the AGM and the Circular unless the context requires otherwise.The Board hereby announces that at the AGM the results of poll vote for each of the resolutions as set out in the Notice of the AGM.Tricor Tengis Limited the Company’s branch share registrar and transfer office in Hong Kong was appointed as the scrutineer for the purpose of vote-taking at the AGM. The poll results in respect of the resolutions at the AGM are as follows: Number of Votes ORDINARY RESOLUTIONS (%) For Against 1. To receive and adopt the audited financial 817705140 0 statements and the report of the directors (100.00%) (0.00%) and the independent auditor’s report of the Company and its subsidiaries for the year ended 31 December 2023. – 1 –Number of Votes ORDINARY RESOLUTIONS (%) For Against 2. 2.1 To re -e lec t Mr . Feng Yinguo as an 817705140 0 executive director of the Company. (100.00%) (0.00%) 2.2 To r e - e l ec t Mr . Ng Wing Ka a s an 817705140 0 independent non-executive director of the (100.00%) (0.00%) Company. 2.3 To re-elect Mr. Leung Ting Yuk as an 817705140 0 independent non-executive director of the (100.00%) (0.00%) Company. 2.4 T o r e - e l e c t M r . S u n L i m i n g a s a n 817705140 0 independent non-executive director of the (100.00%) (0.00%) Company. 2.5 To r e - e l ec t Dr . Mu Guodong a s an 817705140 0 independent non-executive director of the (100.00%) (0.00%) Company. 2.6 To authorise the Board of the Company to 817705140 0 fix the remuneration of the Directors. (100.00%) (0.00%) 3. To appoint BDO Limited as auditors of the 817705140 0 Company and to authorise the board of directors (100.00%) (0.00%) of the Company to fix their remuneration. 4. To grant a general mandate to the Directors to 183394979 634310161 issue new shares of the Company. (22.43%) (77.57%) 5. To grant a general mandate to the Directors to 183394979 634310161 repurchase shares of the Company. (22.43%) (77.57%) 6. To extend the general mandate to issue new 183394979 634310161 shares by adding the number of shares being (22.43%) (77.57%) repurchased.Note: The full text of the resolutions proposed at the AGM were set out in the Notice of the AGM.– 2 –As more than 50% of the votes were cast in favour of each of the resolutions numbered 1 to 3 such resolutions were duly passed as ordinary resolutions of the Company.As less than 50% of the votes were cast in favour of each of the resolutions numbered 4 to 6 such resolutions were not passed.As at the date of the AGM the total number of issued 1100102803 Shares representing the total number of Shares entitling the Shareholders to attend and vote on the resolutions proposed at the AGM. There were no Shares entitling the Shareholders to attend and vote only against any of the resolutions and abstain from voting in favour of the resolutions at the AGM as set out in Rule 13.40 of the Listing Rules. No Shareholders were required under the Listing Rules to abstain form voting at the AGM. No Shareholder has indicated in the Circular who intended to vote against any of the resolutions at the AGM or to abstain from voting.The independent non-executive Directors namely Mr. Leung Ting Yuk Mr. Sun Liming and Dr. Mu Guodong attended the AGM in person.By Order of the Board Yanchang Petroleum International Limited Feng Yinguo Chairman Hong Kong 31 May 2024 Executive Directors: Independent Non-Executive Directors: Mr. Feng Yinguo (Chairman) Mr. Ng Wing Ka Mr. Zhang Jianmin Mr. Leung Ting Yuk Mr. Ding Jiasheng Mr. Sun Liming Dr. Mu Guodong Non-executive Director: Mr. Sun Jian –3–