press release

Unocal sets webcast of New York security analyst presentation

El Segundo, Calif., Aug. 31, 2001 -- Unocal Corporation (NYSE: UCL) will webcast the presentation by Unocal CEO Charles R. Williamson to the Lehman Brothers 15th Annual CEO Energy Conference on Wednesday, Sept. 5, 2001. The webcast begins at 7:00 a.m. PDT (10:00 a.m. EDT).

Investors, analysts, stockholders, news media, employees and the general public are invited to listen to the webcast on Unocal's website, www.unocal.com. Listeners can use RealPlayer or Windows Media Player. Replays of the presentation will be available on the Unocal website through Sept. 28, 2001. The slides from the presentation will be available for viewing or downloading onto your computer.

About Unocal Corporation

Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. In North America, Unocal is one of largest independent natural gas producers, with current net production of 1 billion cubic feet per day.

Updated: August 2001