Amyris, Inc. (NASDAQ:AMRS), a leading renewable chemicals and fuels company, today announced that Steven R. Mills has been appointed Chief Financial Officer effective May 2, 2012. Mills will replace Jeryl L. Hilleman, whose intent to depart during the course of this year was first announced in August 2011.

“Steve’s three decade career at ADM brings the set of skills we need as we enter a new growth stage for our Company,” said John Melo, President & Chief Executive Officer of Amyris. “As we near completion of our first purpose-designed, industrial-scale renewable hydrocarbon plant, Steve’s tested financial and strategy expertise will help ensure Amyris remains on a strong path to meet our customer and investors expectations.”

Mills joined ADM in 1979 and served in various senior treasury and accounting roles, including as Chief Financial Officer from 2008-2010. During his most recent assignment, Mills served as ADM’s Senior Executive Vice President, Performance and Growth where he helped drive growth through business development and acquisitions until his retirement from ADM in February.

“Amyris is leading the way in an array of renewable chemicals and fuels. I’m looking forward to joining Amyris’s extraordinary team at a time when the Company is bringing its technology to full-scale production and commercialization,” said Steve Mills.

“As we welcome Steve to Amyris, we bid farewell to Jeri, who joined us four years ago as our first CFO. We are grateful for Jeri’s many contributions, which include Amyris’s successful initial public offering in October 2010. Jeri’s commitment to a smooth transition over the last several months is evidence of her remarkable ongoing commitment to Amyris,” concluded John Melo.

Amyris retained Alyse Bodine and John Strackhouse of Heidrick & Struggles for this executive search.

About Amyris, Inc.

Amyris is an integrated renewable products company focused on providing sustainable alternatives to a broad range of petroleum-sourced products. Amyris uses its industrial synthetic biology platform to convert plant sugars into a variety of hydrocarbon molecules - flexible building blocks that can be used in a wide range of products. Amyris is commercializing these products both as No Compromise® renewable ingredients in cosmetics, flavors and fragrances, polymers, lubricants and consumer products, and also as No Compromise renewable diesel and jet fuel. Amyris Brasil Ltda., a subsidiary of Amyris, oversees the establishment and expansion of Amyris's production in Brazil. Amyris also has fuel distribution capabilities in the United States through its subsidiary, Amyris Fuels, LLC. More information about Amyris is available at

Forward-Looking Statements

This release contains forward-looking statements, and any statements other than statements of historical facts could be deemed to be forward-looking statements. These forward-looking statements include, among other things, statements regarding future events (such as expectations for a production plant) that involve risks and uncertainties. These statements are based on management’s current expectations and actual results and future events may differ materially due to risks and uncertainties, including those associated with any delays or failures in development, production or commercialization of products, our reliance on third parties to achieve our goals, and other risks detailed in the “Risk Factors” section of Amyris’s annual report on Form 10-K filed on February 28, 2012. Amyris disclaims any obligation to update information contained in these forward-looking statements whether as a result of new information, future events, or otherwise.

Amyris and No Compromise are trademarks or registered trademarks of Amyris, Inc.

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