Events & Presentations

Thursday, October 27, 2011 at 9:00 AM PT - Click here to access the webcast presentation (you may join 30 minutes prior to the start). Participant Toll-Free: (855) 859-2056, International 00-1-(404) 537-3406 Conference ID: 20610222#

Pacific Ethanol, Inc. (NASDAQ: PEIX), the leading marketer and producer of low-carbon renewable fuels in the Western United States, is scheduled to present at Wedbush Securities’ 2011 Clean Technology & Industrial Growth Management Access Conference in San Francisco, CA on Wednesday, September 14, 2011 at 8:00 a.m. Pacific Time. Click Here to view the webcast.

Second Quarter 2011 financial results presentation slides.

Pacific Ethanol, Inc. (NASDAQ: PEIX), the leading
marketer and producer of low-carbon renewable fuels in the Western United States, announced it
will release its second quarter 2011 financial results after the market closes on Thursday, July 28,
2011. Management will host a conference call at 2:00 p.m. Pacific Time / 5:00 p.m. Eastern
Time on Thursday, July 28, 2011. Neil Koehler, Chief Executive Officer, and Bryon McGregor,
Chief Financial Officer, will deliver prepared remarks and conduct a slide presentation via
webcast followed by a question and answer session.

Pacific Ethanol, Inc. (NASDAQ: PEIXD), the leading
marketer and producer of low-carbon renewable fuels in the Western United States, announced
today that it has filed an amendment to its Certificate of Incorporation to effect a one-for-seven
reverse stock split of its issued and outstanding shares of common stock. The reverse stock split
will be effective as to stockholders of record at 12:01 a.m. Eastern Time on Wednesday, June 8,
2011. Trading of the Company’s common stock on a split-adjusted basis is expected to begin at
the open of trading on June 8, 2011.

Stephens Inc. Spring Conference on May 24th at 9:30 a.m. EDT

Download the First Quarter 2011 Financial Results Presentation