Berry Petroleum Company. The Company's principal activity is to produce, develop, acquire and explore crude oil and natural gas. The Company's principal producing properties are located in Kern, Los Angeles and Ventura Counties in California. The Company has working interest in 2,520 oil wells and 104 gas wells. The Company owns three cogeneration facilities, which are intended to provide an efficient and secure long-term supply of steam that is necessary for the economic production of heavy oil. Oil and Gas operations accounted for 78% of 2002 revenues and Electricity operations, 22%.