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Amyris Enters Into Multi-Products Collaboration and Off-Take Agreements with The Procter and Gamble Company

Emeryville, CA (June 24, 2010) – Amyris, Inc. announced today that it has entered into a series of agreements with The Procter & Gamble Company (NYSE: PG). These agreements include collaboration terms focused on the use of Amyris’s renewable product farnesene (BiofeneTM) in certain specialty chemical applications within P&G’s products. In connection with these collaboration agreements, the parties have also entered into a supply agreement for Biofene which would commence upon successful completion of certain technical and commercial milestones.

“We are very pleased to be working with P&G, a global leader in consumer products,” said John Melo, chief executive officer of Amyris. “These agreements demonstrate the breadth of applications we can access with our technology, and validate the versatility of our first fermentation product, Biofene.”

Amyris applies its industrial synthetic biology platform to produce a broad range of hydrocarbon products. Biofene is the first product that Amyris is seeking to produce at commercial scale. Biofene may be used directly as an ingredient in various industrial and consumer products applications, or it may be modified to provide an even broader range of additional products, such as diesel fuel, industrial and automotive lubricant products, ingredients for the cosmetics and personal care market, as well as other specialty and functional chemicals to replace petroleum-derived products.

In April 2010, Amyris entered into a joint venture with São Martinho, a leading producer of sugar and ethanol, to construct the first commercial scale plant dedicated to the production of Amyris products. Amyris expects production from this plant may be used to provide farnesene for P&G.

About Amyris

Amyris is building an integrated renewable products company applying industrial synthetic biology to genetically modify microorganisms to serve as living factories. Amyris designs these microorganisms to produce defined molecules for use as renewable chemicals and transportation fuels. Amyris Brasil S.A., a subsidiary of Amyris, oversees the establishment and expansion of Amyris’s production in Brazil, including SMA Indústria Química S.A., its joint venture with Usina São Martinho, one of the largest sugar and ethanol producers in Brazil. In addition, Amyris is building fuels distribution capabilities in the United States through its subsidiary, Amyris Fuels LLC. More information about Amyris and its subsidiaries is available at www.amyris.com or www.amyrisbrasil.com.

Forward-Looking Statements

This press release contains forward-looking statements, including quotations from Amyris management and statements relating to Amyris’s expectations regarding the collaborative arrangement and off-take agreements. You should not place undue reliance on these forward-looking statements because they involve many risks and uncertainties that are, in some cases, beyond our control and that could materially affect actual results. Factors that could materially affect actual results include our ability to meet contract-specific technical, development and commercial milestones, and other risks that can be found in Amyris’s Registration Statement on Form S-1 dated June 22, 2010, as amended, particularly under the caption "Risk Factors." Amyris expressly disclaims any intent or obligation to update these forward-looking statements except as required by law.