HSR Waiting Period Expires in ConocoPhillips' Acquisition of Burlington

ConocoPhillips and Burlington Resources report the expiration of the waiting period under the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976, applicable to ConocoPhillips' proposed acquisition of Burlington Resources.

Completion of the transaction is subject to approval by Burlington Resources shareholders and other customary closing conditions, and is expected to occur in the first half of 2006.

ConocoPhillips is an integrated petroleum company with interests around the world.

Burlington Resources ranks among the world's largest independent oil and gas companies, and holds one of the industry's leading positions in North American natural gas reserves and production. Headquartered in Houston, Texas, the company conducts exploration, production and development operations in the U.S., Canada, the United Kingdom, Africa, China and South America.