RESOLUTIONS PASSED AT THE ANNUAL GENERAL MEETING FOR THE YEAR 2023, PAYMENT OF THE FINAL DIVIDENDS, AND APPOINTMENT OF CHAIRMAN OF THE SUPERVISORY COMMITTEE

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.中国石油天然气股份有限公司 PETROCHINA COMPANY LIMITED (a joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 857) RESOLUTIONS PASSED AT THE ANNUAL GENERAL MEETING FOR THE YEAR 2023 PAYMENT OF THE FINAL DIVIDENDS AND APPOINTMENT OF CHAIRMAN OF THE SUPERVISORY COMMITTEE The board of directors (the “Board”) of PetroChina Company Limited (the “Company”) is pleased to announce that the annual general meeting of the Company for the year 2023 (the “AGM”) was held at 9 a.m. on 5 June 2024 and the relevant resolutions were duly passed. The Board also wishes to notify the shareholders of the Company (the “Shareholders”) of details relating to the payment of the final dividends for the year ended 31 December 2023 and appointment of the chairman of the Supervisory Committee.Reference is made to the notice and circular of the Company dated 18 April 2024 in relation to the AGM (the “Circular”) and the announcement of the Company dated 30 May 2024 in relation to withdrawal of a resolution at the AGM (the “Announcement”). Unless otherwise defined herein capitalized terms used herein shall have the same meanings as those defined in the Circular.The Board is pleased to announce that the AGM was held at V-Continent Wuzhou Hotel No. 8 North 4th Circle Middle Road Chaoyang District Beijing the PRC at 9 a.m. on 5 June 2024 by way of physical meeting.The AGM was convened by the Board and chaired by Mr. Dai Houliang Chairman of the Board. Save for Mr.Huang Yongzhang Mr. Xie Jun Mr. Cai Jinyong and Mr. Zhang Laibin all other Directors attended the AGM.Save for Mr. Xie Haibing and Mr. Li Zhanming all other Supervisors attended the AGM. The secretary to the Board and relevant members of the senior management of the Company also attended the AGM. The AGM was legally and validly convened in compliance with the requirements of the Company Law of the PRC and the Articles of Association.Resolutions Passed at the AGM At the AGM save as the resolution numbered 7 which has been withdrawn the following resolutions were considered and approved by way of poll and the poll results are as follows: 1For Against Abstain Ordinary Resolutions Number of votes Percentage Number of Percentage Number of Percentage cast (%) votes cast (%) votes cast (%) 1. To consider and A 15258190217499.6480445389139150.35195433030.000002 approve the resolution Shares regarding the report of H 485437960848.251110503439491950.0404101718843681.708480 the board of directors of Shares the Company (the “Board”) for the year Total 157436281782 96.479259 5573308834 3.415406 171887671 0.105335 2023. 2. To consider and A 15311345375099.99519073623420.00480833000.000002 approve the resolution Shares regarding the report of H 994918448698.8919771032384091.02616082360000.081863 the supervisory Shares committee of the Company for the year Total 163062638236 99.927173 110600751 0.067778 8239300 0.005049 2023. 3. To consider and A 15311338295099.99514374331420.00485533000.000002 approve the resolution Shares regarding the financial H 988018480798.2061401718280881.70792186460000.085939 report of the Company Shares for the year 2023.Total 162993567757 99.884846 179261230 0.109854 8649300 0.005300 4. To consider and A 15312037239299.9997084334000.000283136000.000009 approve the resolution Shares regarding the profit H 1005200089599.913942120000.00011986460000.085939 distribution plan of the Shares Company for the year 2023. Total 163172373287 99.994420 445400 0.000273 8659600 0.005307 5. To consider and A 15312047139299.9997733344000.000218136000.000009 approve the resolution Shares regarding the H 1005195969599.913533120000.00011986872000.086348 authorization to the Shares Board to determine the 2024 interim profit Total 163172431087 99.994456 346400 0.000212 8700800 0.005332 distribution plan of the Company. 6. To consider and A 15252569455999.6113365904359300.38560246889030.003062 approve the resolution Shares regarding the guarantee H 511317503550.823461492870473948.989880187791210.186659 scheme of the Company Shares for the year 2024.Total 157638869594 96.603408 5519140669 3.382210 23468024 0.014382 7. To consider and approve the A N/A N/A N/A N/A N/A N/A appointment of Shares PricewaterhouseCoope rs Zhong Tian LLP and PricewaterhouseCoope H N/A N/A N/A N/A N/A N/A rs as the domestic and Shares international auditors of the Company for the year 2024 and to authorize the Board to Total N/A N/A N/A N/A N/A N/A determine their remuneration. (Note) 8. To consider and A 15306975797199.966653510580210.03334534000.000002 approve the resolution Shares regarding the election H 882204357987.688527122150781612.141429171075000.170044 of Mr. Zhou Song as a Shares supervisor of the Company. Total 161891801550 99.209667 1272565837 0.779847 17110900 0.010486 For Against Abstain Special Resolutions Number of votes Percentage Number of Percentage Number of Percentage cast (%) votes cast (%) votes cast (%) 9. To consider and approve to unconditionally grant a A general mandate to the 153120540544 99.999818 274548 0.000179 4300 0.000003 Shares Board to determine and deal with the issue of 2debt financing instruments of the Company with an H outstanding balance 10051959695 99.913533 463200 0.004604 8236000 0.081863 Shares amount of up to RMB100 billion (or if issued in foreign currency equivalent to the middle exchange rate announced by the People’s Bank of China Total 163172500239 99.994498 737748 0.000452 8240300 0.005050 on the date of issue) and determine the terms and conditions of such issue. 10. To consider and A approve the resolution 153108046598 99.991658 807005 0.000527 11965789 0.007815 Shares regarding the amendments to the H 1005195969599.9135334220000.00419482772000.082273 articles of association Shares and the rules of procedures of the general meeting of the Total 163160006293 99.986842 1229005 0.000753 20242989 0.012405 Company.Note: As disclosed in the Announcement the Company has withdrawn the above resolution numbered 7 thus no vote was conducted or counted by the Company for this resolution.As more than half of the votes were cast in favor of the above resolutions numbered 1 to 6 and the resolution numbered 8 those resolutions were duly passed as ordinary resolutions. As more than two-thirds of the votes were cast in favor of the above resolutions numbered 9 to 10 those resolutions were duly passed as special resolutions.As at the date of the AGM the total number of issued Shares was 183020977818 (including 21098900000 H Shares and 161922077818 A Shares) which was the total number of Shares entitling the holders to attend and vote for or against or abstain from voting in respect of the resolutions at the AGM. There were no Shares of the Company entitling the holders to attend and abstain from voting in favour of the resolutions at the AGM as set out in Rule 13.40 of the Hong Kong Stock Exchange Listing Rules. No Shareholders were required under the Hong Kong Stock Exchange Listing Rules to abstain from voting on the resolutions at the AGM. None of the Shareholders have stated their intention in the Circular to vote against or to abstain from voting on any of the resolutions at the AGM. None of the Shareholders voted but are excluded from calculating the poll results of the AGM.Information on the Shareholders and proxies who attended and voted at the AGM is as follows: Number of Shareholders and proxies who attended and voted at the AGM 251 of which: A Shares 248 H Shares 3 Total number of voting Shares held by such attending Shareholders and proxies 163181478287 of which: A Shares 153120819392 H Shares 10060658895 Percentage of such voting Shares held by such attending Shareholders and proxies 89.159986 accounting for the total number of voting Shares (%) of which: A Shares (%) 83.662988 H Shares (%) 5.496998 The poll results were subject to scrutiny by representatives of Shareholders Cai Yong Supervisor Gao Yimin and Yang Qianqian of King & Wood Mallesons and Li Jia of Computershare Hong Kong Investor Services Limited. Computershare Hong Kong Investor Services Limited acted as the scrutineer for the vote-counting. 3Payment of the Final Dividends The Board also wishes to notify Shareholders the details of the payment of the final dividends for the year ended 31 December 2023 as follows: The Company will pay a final cash dividend of RMB0.23 (inclusive of applicable tax) per share for the year ended 31 December 2023 to Shareholders whose names appeared on the register of members of the Company at close of business on 25 June 2024 (the “Record Date”).According to the Articles of Association dividends payable to the Shareholders shall be declared in Renminbi.Dividends payable to holders of A Shares shall be paid in Renminbi; for the A Shares of the Company listed on the Shanghai Stock Exchange and invested by the investors through the Hong Kong Stock Exchange dividends shall be paid in Renminbi to the accounts of the nominal shareholders through China Securities Depository and Clearing Corporation Limited (“CSDC”). Dividends payable to the holders of H Shares listed on the Hong KongStock Exchange and invested by the investors through the Shanghai Stock Exchange (the “H Shares under theSouthbound Trading Link”) shall be paid in Renminbi. In accordance with the Agreement on Payment of Cash Dividends on the H Shares under the Southbound Trading Link (《港股通 H 股股票现金红利派发协议》) between the Company and CSDC CSDC will receive the dividends payable by the Company to holders of the H Shares under the Southbound Trading Link as a nominal holder of the H Shares under the Southbound Trading Link on behalf of investors and assist the payment of dividends on the H Shares under the Southbound Trading Link to investors thereof. Save for the H Shares under the Southbound Trading Link dividends payable to the holders of H Shares shall be paid in Hong Kong Dollars. The applicable exchange rate shall be the average of the medium exchange rate for Renminbi to Hong Kong Dollar as announced by the People’s Bank of China for the week prior to the declaration of the dividends at the AGM which is HK$1.00 to RMB0.90955. Accordingly the amount of final dividends payable per H Share is HK$0.25287.According to the Law on Corporate Income Tax of the People’s Republic of China (《中华人民共和国企业所得税法》) and the relevant implementing rules which came into effect on 1 January 2008 amended on 24 February 2017 and 29 December 2018 the Company is required to withhold corporate income tax at the rate of 10% before distributing dividends to non-resident enterprise Shareholders whose names appear on the register of members of H Shares of the Company. Any H Shares registered in the name of non-individual Shareholders including HKSCC Nominees Limited other nominees trustees or other groups and organizations will be treated as being held by non-resident enterprise Shareholders and therefore will be subject to the withholding of the corporate income tax. Should any holder of H Shares wish to change his/her/its shareholder status please consult his/her/its agent or trust institution over the relevant procedures. The Company will withhold payment of the corporate income tax strictly in accordance with the relevant laws or requirements of the relevant governmental departments and strictly based on the information registered on the Company’s H share register of members on 25 June 2024. According to the Notice on Issues Concerning the Collection and Management of Individual Income Tax afterthe Abolition of Guo Shui Fa [1993] No. 045 (《关于国税发[1993]045 号文件废止后有关个人所得税征管问题的通知》 (Guo Shui Han [2011] No.348) (国税函[2011]348 号) ) promulgated by the State General Administration of Taxation of the PRC the Company is required to withhold and pay the individual income tax for its individual H Shareholders (“Individual H Shareholders”) and the Individual H Shareholders are entitled to certain tax preferential treatments according to the tax agreements between those countries where the Individual H Shareholders are residents and China and the provisions in respect of tax arrangements between mainland China and Hong Kong (Macau). The Company would withhold and pay the individual income tax at the tax rate of 10% on behalf of the Individual H Shareholders who are Hong Kong residents Macau residents or residents of those countries having agreements with China for individual income tax rate in respect of dividend of 10%.For Individual H Shareholders who are residents of those countries having agreements with China for individual income tax rates in respect of dividend of lower than 10% the Company would make applications on their behalf to seek entitlement of the relevant agreed preferential treatments pursuant to the circular of State Administration of Taxation on Issuing Administrative Measures on Preferential Treatment Entitled by Non-residents Taxpayersunder Tax Treaties (SAT Circular [2019] No.35) (《关于发布<非居民纳税人享受协定待遇管理办法>的公告》(国家税务总局公告 2019 年第 35 号)). For Individual H Shareholders who are residents of those countries having agreements with China for individual income tax rates in respect of dividend of higher than 10% 4but lower than 20% the Company would withhold the individual income tax at the agreed-upon effective tax rate. For Individual H Shareholders who are residents of those countries without any taxation agreements with China or having agreements with China for individual income tax in respect of dividend of 20% or in other situations the Company would withhold the individual income tax at a tax rate of 20%.The Company will determine the country of domicile of the Individual H Shareholders based on the registered address as recorded in the register of members of the Company (the “Registered Address”) on the Record Date and will accordingly withhold and pay the individual income tax. If the country of domicile of an Individual H Shareholder is not the same as the Registered Address the Individual H Shareholder shall notify the share registrar of the Company’s H Shares and provide relevant supporting documents on or before 4:30 p.m. 19 June 2024 (Address: Hong Kong Registrars Limited at Shops 1712-1716 Hopewell Centre 183 Queen’s Road East Wanchai Hong Kong). If the Individual H Shareholder does not provide the relevant supporting documents to the share registrar of the Company’s H Shares within the time period stated above the Company will determine the country of domicile of the Individual H Shareholders based on the recorded Registered Address on the Record Date.The Company will not entertain any claims arising from and assume no liability whatsoever in respect of any delay in or inaccurate determination of the status of the Shareholders or any disputes over the withholding and payment of tax.In accordance with the Notice of Ministry of Finance the State Administration of Taxation and the China Securities Regulatory Commission on Taxation Policies concerning the Pilot Program of an InterconnectionMechanism for Transactions in the Shanghai and Hong Kong Stock Markets (Cai Shui [2014] No.81) (《财政部、国家税务总局、证监会关于沪港股票市场交易互联互通机制试点有关税收政策的通知》(财税 [2014]81 号)) which became effective on 17 November 2014 and the Notice of the Ministry of Finance the State Administration of Taxation and the China Securities Regulatory Commission on Taxation Policies concerning the Pilot Program of an Interconnection Mechanism for Transactions in the Shenzhen and Hong KongStock Markets (Cai Shui [2016] No. 127) (《财政部、国家税务总局、证监会关于深港股票市场交易互联互通机制试点有关税收政策的通知》(财税[2016]127 号)) which became effective on 5 December 2016 with regard to the dividends obtained by individual mainland investors from investment in the H Shares of the Company listed on the Hong Kong Stock Exchange through the Shanghai-Hong Kong and Shenzhen-Hong Kong Stock Connect the Company will withhold their individual income tax at the rate of 20% in accordance with the register of individual mainland investors provided by CSDC. As to the withholding tax having been paid abroad an individual investor may file an application for tax credit with the competent tax authority of CSDC with an effective credit document. With respect to the dividends obtained by mainland securities investment funds from investment in the H Shares of the Company listed on the Hong Kong Stock Exchange through the Shanghai-Hong Kong and Shenzhen-Hong Kong Stock Connect the Company will withhold tax with reference to the provisions concerning the collection of tax on individual investors. The Company will not withhold income tax on dividends obtained by mainland enterprise investors and mainland enterprise investors shall file their income tax returns and pay tax themselves instead.With regard to the dividends obtained by the investors (including enterprises and individuals) from investment in the A Shares of the Company listed on Shanghai Stock Exchange through the Hong Kong Stock Exchange the Company will withhold income tax at the rate of 10% and file tax withholding returns with the competent tax authority. Where there is any Hong Kong investor who is tax resident of a foreign country and the rate of income tax on dividends is less than 10% as provided for in the tax treaty between the country and the PRC the enterprise or individual may personally or entrust a withholding agent to file an application for the tax treatment under the tax treaty with the competent tax authority of the Company. Upon approval the competent tax authority will refund tax based on the difference between the amount of tax having been collected and the amount of tax payable calculated at the tax rate as set out in the tax treaty.In order to determine the list of holders of H Shares who are entitled to receive the final dividends for the year ended 31 December 2023 the Company’s register of members of H Shares will be closed from 20 June 2024 to 25 June 2024 (both days inclusive) during which period no transfer of H Shares will be registered. In order to qualify for the final dividends holders of H Shares whose transfers have not been registered must lodge all transfer 5documents together with the relevant share certificates at Hong Kong Registrars Limited Shops 1712-1716 Hopewell Centre 183 Queen’s Road East Wanchai Hong Kong at or before 4:30 p.m. on 19 June 2024.The Company has appointed Bank of China (Hong Kong) Trustees Limited as the receiving agent in Hong Kong (the “Receiving Agent”) and will pay to such Receiving Agent the final dividends declared for payment to holders of H Shares. The final dividends will be paid by the Receiving Agent on or about 29 July 2024 and will be dispatched on the same day to holders of H Shares who are entitled to receive such dividend by ordinary post and at their own risk.A Shareholders are advised to note that details of paying dividends to A Shareholders and relevant matters will be announced in due course after discussion between the Company and CSDC Shanghai Branch.Appointment of the Chairman of the Supervisory Committee The Board is pleased to announce that Mr. Zhou Song was elected as a Shareholder representative Supervisor and the chairman of the Supervisory Committee with immediate effect until the expiry of the term of the ninth session of the Supervisory Committee. Mr. Zhou Song will not receive any remuneration from the Company in respect of his service as a Shareholder representative Supervisor. The biographical details of Mr. Zhou Song are as follows: Mr. Zhou Song aged 52 a member of the Party committee and chief accountant of CNPC the chairman of the supervisory committee of China Merchants Shekou Industrial Zone Holdings Co. Ltd. and a non-executive director of China Merchants Bank Co. Ltd. (“CM Bank”). Mr. Zhou is a senior economist with a master’s degree.From June 2010 Mr. Zhou served successively as the general manager of the planning and finance department of the head office of CM Bank the business director and general manager of the assets and liabilities management department of the head office of CM Bank the president of the general office of investment banking and financial market business and the general manager of the assets management department of the head office of CM Bank and vice chief accountant of China Merchants Group Ltd. He has served as the chairman of the supervisory committee of China Merchants Shekou Industrial Zone Holdings Co. Ltd. since September 2018. He served as a member of the Party committee and chief accountant of China Merchants Group Ltd. from October 2018 and has served as a non-executive director of CM Bank since October 2018. He has served as a member of the Party committee and chief accountant of CNPC since December 2023.Save as disclosed above as at the date of this announcement Mr. Zhou Song (i) has not held any directorship in any other listed companies in the past three years; (ii) did not have any relationship with any other Director Supervisor senior management substantial shareholder or controlling shareholder of the Company; or (iii) did not have any interest in the Shares of the Company within the meaning of Part XV of the Securities and Futures Ordinance of Hong Kong.Save as disclosed above as at the date of this announcement there is no information on Mr. Zhou Song that needs to be disclosed pursuant to Rule 13.51(2)(h) to (v) of the Hong Kong Stock Exchange Listing Rules and there are no other matters that need to be brought to the attention of the Shareholders.By order of the Board PetroChina Company Limited Company Secretary WANG Hua Beijing the PRC 5 June 2024 As at the date of this announcement the Board comprises Mr. Dai Houliang as Chairman; Mr. Hou Qijun as Vice Chairman and non-executive Director; Mr. Duan Liangwei and Mr. Xie Jun as non-executive Directors; Mr. Huang Yongzhang Mr. Ren Lixin and Mr. Zhang Daowei as executive Directors; and Mr. Cai Jinyong Mr.Jiang Simon X. Mr. Zhang Laibin Ms. Hung Lo Shan Lusan and Mr. Ho Kevin King Lun as independent non- executive Directors. 6