Exhibit 1

Joint Filing Agreement

            The undersigned hereby agree that the statement on Schedule 13G with respect to the 

Class H shares of PetroChina Company Limited, dated as of January  l2, 2004, is, and any 

amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us 

pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange 

Act of 1934.

Date:	12th January 2004	BP plc
	By:	/s/  Byron Grote
		Director
		[Title]
Date:	12th January 2004	BP Global Investments Limited
	By:	/s/ D.P. Chapman
		Director
		[Title]
Date:	12th January 2004	BP Investments China Limited
	By:	/s/ F.W.M. Starkie
		Director
		[Title]