Purfresh Selected for Most Promising Innovation Award at the Cleantech Forum San Francisco Fremont, Calif. – Mar. 23, 2011 – Purfresh, a leading provider of clean technologies that purify, protect, and preserve the global food supply chain, today announced that it has received the Most Promising Innovation Award from the Cleantech Group and Autodesk at the ninth annual Cleantech Forum in San Francisco, which was held March 14-16, 2011. The award is presented at each Cleantech Forum to the Entrepreneur Showcase company that shows the strongest investment opportunity. “Clean technology companies play a critical role in addressing some of the world’s most challenging issues, and it was exciting to see so many impressive innovations at the event,” said Mr. David Cope, president and CEO of Purfresh. “At Purfresh, we are focused on improving efficiencies throughout the food supply chain by helping the food industry leverage next-generation products to maximize food production, enhance the quality of food grown, and reduce losses that occur during food transport. Our mission is to employ clean technologies to help ensure global food security and we are honored to have our work recognized and awarded.” The event hosted an audience of over 700 clean technology leaders representing 485 companies from over 25 countries and 35 states. With input from a select panel of experienced cleantech investors and advisers, Purfresh was chosen from among the 20 Entrepreneur Showcase presenters at Cleantech Forum San Francisco 2011. About