Offshore staff

BANGKOK, Thailand -- PTT Exploration and Production Public Co. Ltd. (PTTEP) plans to increase its stake in a Gulf of Thailand block through a 100% owned subsidiary, PTTEP International Ltd.

PTTEP is entitled to increase its interest in Petroleum Concession No. 4/2546/61 (block G4/43) to 21.375% from 15 %.

Other partners include Chevron Offshore (Thailand) Ltd. with 51% interest, Mitsui Oil Exploration Co. Ltd. with 21.25% interest, and Palang Sophon Two Ltd. with 6.375%.

4/30/2007