Keane, Patterson Step Up at Allis-Chalmers; Adams Steps Down

Allis-Chalmers reported the election of Terry Keane as Senior Vice President – Oilfield Services and Mark Patterson as Senior Vice President – Rental Services. Mr. Keane will be responsible for the Oilfield Services segment consisting of Underbalanced Drilling, Production Services, Tubular Services and Directional Drilling operations, while Mr. Patterson will be responsible for the Rental Services segment of Allis-Chalmers.

For the past five years Terry Keane has served as President and CEO of AirComp LLC, Allis-Chalmers' underbalanced drilling services subsidiary. He has over 30 years experience in the oilfield services industry. Mark Patterson, until his promotion, served as Executive Vice President Sales and Business Development for the Allis-Chalmers Rental Services division. He joined Oil & Gas Rental Services in 1989 and has 28 years of industry experience.

Burt Adams, President and Chief Operating Officer of Allis-Chalmers, resigned effective February 28, 2008. Burt Adams will remain as a member of the Board of Directors of Allis-Chalmers. Micki Hidayatallah, Chairman and Chief Executive Officer, stated, "It has been a real pleasure and privilege to work with Burt Adams over the last twelve months. I look forward to Burt's participation on the Board where the company will continue to benefit from his experience and advice."