In related news, GDF Suez's sale of a stake in its Australian power unit has drawn interest from PTT and Singapore's Keppel Infrastructure, according to people with knowledge of the matter.
PTT president Pailin Chuchottaworn was unavailable for comment yesterday.
France's GDF is seeking A$400 million (11.9 billion baht) from the sale of a 30% stake in the Australian unit, said two people asking not to be identified.
PTT shares closed yesterday on the SET at 334 baht, unchanged, in trade worth 501 million baht