Murphy Oil Announces Inclusion in the S&P 500

August 5, 2005

EL DORADO, Ark.--(BUSINESS WIRE)--Aug. 5, 2005--Murphy Oil Corporation (NYSE:MUR) confirms that it was notified by Standard & Poor's yesterday afternoon that it will be added to the S&P 500 index upon completion of the Nextel acquisition by Sprint Corp.

Claiborne P. Deming, Murphy Oil Corporation President and Chief Executive Officer, commented, "We are pleased to be included in such a prestigious index. Murphy combines a growing United States and international portfolio of exploration and production assets with a vibrant retail program marketed under our Murphy USA brand. Murphy has achieved strong share price performance over the past several years, and we look forward to continuing that trend."

The forward-looking statements reflected in this release are made in reliance upon the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. No assurance can be given that the results discussed herein will be attained, and certain important factors that may cause actual results to differ materially are contained in Murphy's January 15, 1997 Form 8-K report on file with the U.S. Securities and Exchange Commission.

    CONTACT: Murphy Oil Corporation, El Dorado
             Investor/Media Relations:
             Mindy West, 870-864-6315

    SOURCE: Murphy Oil Corporation