ATP Oil & Gas Corporation was the apparent high bidder on De Soto Canyon Block 355 and Viosca Knoll Block 863, offshore deepwater blocks upon which ATP bid at the Central Gulf of Mexico Offshore Lease Sale 205 held on October 3rd in New Orleans.

De Soto Canyon Block 355 is located in approximately 7,618' of water and is in close proximity to the ATP operated Canyon Express pipeline system. Viosca Knoll Block 863 is located in approximately 958' of water and has logged hydrocarbons in two wells.

If ATP is awarded the blocks, the company will have a 100% working interest in each one and serve as operator of both blocks.

Commenting on the lease sale, ATP Senior Vice President Gerald W. Schlief stated, "This offshore lease sale was very competitive and robust. ATP was fortunate to be the apparent high bidder on two blocks. If awarded, these blocks will add to our outstanding inventory of opportunities."