[PETROCHINA COMPANY LIMITED 2010 ANNUAL REPORT (A share stock code: 601857) March 2011 CONTENTS IMPORTANT NOTICE 1 CORPORATE PROFILE 2 SUMMARY OF FINANCIAL DATA AND FINANCIAL INDICATORS 5 CHANGES IN SHARE CAPITAL AND INFORMATION ON SHAREHOLDERS 8 CHAIRMAN’S REPORT 15 BUSINESS OPERATING REVIEW 18 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL POSITION AND RESULTS OF OPERATIONS 24 SIGNIFICANT EVENTS 37 CONNECTED] [TABLE OF CONTENTS EX-99.1 99.1 Announcement dated April 6, 2011 relating to the Company’s Annual Report according to the Hong Kong Exchange Listing Rules. PetroChina Company Limited Dated: April 8, 2011]

[THIS DOCUMENT IS IMPORTANT AND REQUIRES YOUR IMMEDIATE ATTENTION If you are in any doubt If you have sold or transferred PetroChina Company Limited PETROCHINA COMPANY LIMITED (a joint stock limited company incorporated in the People’s Republic of China with limited liability) (Stock Code: 857) GENERAL MANDATE TO ISSUE SHARES IMPORTANT NOTICE: PLEASE NOTE THAT THE SOLE PURPOSE OF DISTRIBUTING] [FORM 6-K PETROCHINA COMPANY LIMITED 9 Dongzhimen North Street, Dongcheng District þ o Form 20-F o o o þ Yes ) 99.1 Announcement dated April 1, 2011 relating to the Company’s circular to shareholders and notice of annual general meeting for the year 2010. PetroChina Company Limited Dated: April 1, 2011 Li Hualin Company Secretary 6-K 1 h04958e6vk.htm 6-K]

[PETROCHINA COMPANY LIMITED (a joint stock limited company incorporated in the People’s Republic of China with limited liability) Results Announcement for the year ended December 31, 2010 1 Important Notice 1.1 1.2 1.3 1.4 1 1.5 1.6 2 2 Basic Information of the Company 2.1 Basic Information of the Company Stock name PetroChina PetroChina PetroChina Stock code 857 PTR 601857] [TABLE OF CONTENTS Ex-99.1 99.1 Announcement dated March 17, 2011 relating to the Company’s Results Announcement for the year ended December 31, 2010. PetroChina Company Limited Dated: March 17, 2011 Li Hualin Company Secretary 6-K 1 h04917e6vk.htm]