berry petroleum company is an independent energy company engaged in the production, development, acquisition, exploitation and exploration of crude oil and natural gas. publicly traded since 1987, berry traces its roots in california heavy oil production back to 1909. currently, berry’s principal reserves and producing properties are in california, utah (uinta basin), texas (e. texas, permian basin) and colorado (piceance). at december 31, 2010, the company reported proved reserves of 271 million barrels of oil equivalent (boe), a 15% increase compared to 2009 proved reserves. 2010 proved developed reserves represent 49% of total proved reserves. at year-end 2010, the company’s proved reserve mix includes 166 million barrels of crude oil, condensate and natural gas liquids, and 630 billion cubic feet of natural gas, or 61% oil and 39% natural gas. total production in 2010 averaged 32,700 boe per day.