MOVING THE HEAD OFFICE

1600 / 004 / 2002 January 30 , 2002 The Stock Exchange of Thailand 62, Ratchadapisek Road, Klongtoey Bangkok 10110 Attention : President of The Stock Exchange of Thailand Subject : Moving the Head Office : The Bangchak Petroleum Public Company Limited (BCP) would like to inform you that we will be moving our head office from 38 Srinakarin Rd., Prawet, Bangkok 10260, Thailand. Tel : 66 (0) 2301-2700 Fax : 66 (0) 2399-1051 to 210 Sukhumvit 64, Phrakanong, Bangkok 10260, Thailand. Tel : 66 (0) 2335-4999 Fax : 66 (0) 2335-4009 www.bangchak.co.th or E-mail : info@bangchak.co.th Since February 1, 2002 onwards. Please be informed accordingly. Yours sincerely (Mr. Kiatchai Maitriwong) Senior Manager, Corporate Planning Office Corporate Planning Office Tel: 0-2335-4583