press release

Unocal board elects Ferrell McClean as director; John Creighton named vice chairman

Unocal board elects Ferrell McClean as director; John Creighton named vice chairman

El Segundo, Calif., Dec. 3, 2002 - Unocal Corporation (NYSE: UCL) today said that its board of directors has elected Ferrell P. McClean to serve as an independent member of the board. The board also elected John W. Creighton, Jr., as vice chairman.

Ms. McClean is a retired managing director of JP Morgan where she was senior advisor to the head of the Global Oil & Gas Group in Investment Banking. Prior to JP Morgan's merger with Chase, she co-headed Global Energy in Investment Banking, a leading merger and acquisition team that played a leading role in the consolidation of the global oil and gas industry. She founded both the Leveraged Buyout Group and Restructuring Group at JP Morgan.

"Ms. McClean is an excellent addition to our board," said Charles R. Williamson, Unocal chairman and chief executive officer. "With her long background in investment banking and energy, Ferrell's unique background brings substantial depth and expertise in key areas that are critical to the future success and growth of Unocal."

Ms. McClean holds a Bachelor of Arts degree from Radcliffe College. She is on the board of directors of GrafTech International Ltd. Creighton, who served as non-executive chairman in 2001, has been on the Unocal board since 1995. He had resigned as Unocal's chairman when he was appointed interim chairman of UAL Corporation. He is retired president and chief executive officer of Weyerhaeuser Company.

About Unocal Corporation

Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. The company's principal operations are located in North America and Asia.

Updated: December 2002