Pacific Ethanol Begins Production of Corn Oil at Magic Valley Plant

SACRAMENTO, Calif., May 29, 2013 (GLOBE NEWSWIRE) -- Pacific Ethanol, Inc. (Nasdaq:PEIX), the leading marketer and producer of low-carbon renewable fuels in the Western United States, has begun commercial production of corn oil utilizing ICM Inc.'s Advanced Oil Separation System™ at its Magic Valley, ID plant.

Neil Koehler, the company's president and CEO, stated: "Corn oil is a high value co-product with multiple markets including animal feed and biodiesel. Corn oil sales at our Magic Valley plant diversifies our revenue streams, providing greater financial stability to the plant, and is expected to contribute as much as $4.5 million or seven cents per gallon of operating income annually."

About Pacific Ethanol, Inc.

Pacific Ethanol, Inc. (Nasdaq:PEIX) is the leading marketer and producer of low-carbon renewable fuels in the Western United States. Pacific Ethanol also sells co-products, including wet distillers grain ("WDG"), a nutritious animal feed. Serving integrated oil companies and gasoline marketers who blend ethanol into gasoline, Pacific Ethanol provides transportation, storage and delivery of ethanol through third-party service providers in the Western United States, primarily in California, Arizona, Nevada, Utah, Oregon, Colorado, Idaho and Washington. Pacific Ethanol has an 83% ownership interest in New PE Holdco LLC, the owner of four ethanol production facilities. Pacific Ethanol operates and manages the four ethanol production facilities, which have a combined annual production capacity of 200 million gallons. The facilities in operation are located in Boardman, Oregon, Burley, Idaho and Stockton, California, and one idled facility is located in Madera, California. The facilities are near their respective fuel and feed customers, offering significant timing, transportation cost and logistical advantages. Pacific Ethanol's subsidiary, Kinergy Marketing LLC, markets ethanol from Pacific Ethanol's managed plants and from other third-party production facilities, and another subsidiary, Pacific Ag. Products, LLC, markets WDG. For more information please visit www.pacificethanol.net.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

With the exception of historical information, the matters discussed in this press release including, without limitation, the ability of Pacific Ethanol to continue as the leading marketer and producer of low-carbon renewable fuels in the Western United States; and the timing and effectiveness of our implementation of corn oil separation technology are forward-looking statements and considerations that involve a number of risks and uncertainties. The actual future results of Pacific Ethanol could differ from those statements. Factors that could cause or contribute to such differences include, but are not limited to, litigation against Pacific Ethanol concerning intellectual property rights covering corn oil separation technology, adverse economic and market conditions; changes in governmental regulations and policies; and other events, factors and risks previously and from time to time disclosed in Pacific Ethanol's filings with the Securities and Exchange Commission including, specifically, those factors set forth in the "Risk Factors" section contained in Pacific Ethanol's most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission on April 1, 2013.

CONTACT: Company IR Contact:
         Pacific Ethanol, Inc.
         916-403-2755
         866-508-4969
         Investorrelations@pacificethanol.net

         IR Agency Contact:
         Becky Herrick
         LHA
         415-433-3777

         Media Contact:
         Paul Koehler
         Pacific Ethanol, Inc.
         916-403-2790
         paulk@pacificethanol.net

Released May 29, 2013