HOUSTON - (Dec. 1, 2006) - A Halliburton (NYSE: HAL) subsidiary, Halliburton Manufacturing and Services Limited, announced today that it has closed a deal to sell the Irish Sea Pioneer, a self-elevating workover platform, to a BHP Billiton (NYSE: BHP) subsidiary, BHP Billiton Petroleum Limited, for an undisclosed amount.

The sale of the vessel, which is currently located off the North Wales coast in the Irish Sea, will result in an estimated pre-tax gain of $8 million for Halliburton.

“This culminates Halliburton's sale of lift boats outside the US market,” said Cris Gaut, Halliburton's chief financial officer.

Halliburton, founded in 1919, is one of the world's largest providers of products and services to the petroleum and energy industries. The company serves its customers with a broad range of products and services through its Energy Services Group and KBR. The company's Web site can be accessed at www.halliburton.com.