Amyris and TOTAL Form Fuels Joint Venture

Amyris and TOTAL Form Fuels Joint Venture

Total Amyris BioSolutions Established Produce and Commercialize Renewable
Fuels From Amyris's Technology Platform

EMERYVILLE, Calif. and PARIS, Dec. 5, 2013 (GLOBE NEWSWIRE) -- Amyris, Inc.
(Nasdaq:AMRS) and Total (Paris:TOTF) announced today the formation of Total
Amyris BioSolutions B.V., a 50-50 joint venture that now holds exclusive
rights and a license under Amyris's intellectual property to produce and
market renewable diesel and jet fuel from Amyris's renewable farnesene. TOTAL
is Amyris's largest investor, holding approximately 18% of its outstanding
common stock, and is deeply committed to the development of next-generation
renewable fuels from biomass.

TOTAL and Amyris logo

"The joint-venture Total Amyris Biosolutions is a first step towards the
commercialization of our renewable diesel and jet fuels. We are in the phase
of scaling-up the industrial process and we expect to start commercialization
within the next few years, once our joint research and development goals are
met," said Philippe Boisseau, President, Marketing & Services and New
Energies, and a member of TOTAL's Executive Committee. "As far as
commercialization is concerned, the new joint-venture will benefit from the
know-how and customer access of TOTAL, which operates in more than 130
countries and is aiming to become a key supplier in renewable fuels," Boisseau
added.

"The formation of this joint venture, anticipated by our streamlined
collaboration agreement signed last year, paves the way for us to initiate our
fuels commercialization efforts globally, building on Amyris experience with
renewable diesel in Brazil and the growing demand for lower-emission jet fuels
worldwide," said John Melo, President & CEO of Amyris, Inc. "TOTAL has been a
strategic partner for Amyris for the last three years and a model of how
global companies can leverage our inspired science to deliver sustainable
solutions for a growing world," Melo added.

Detailed information regarding the terms of the collaboration and funding
structure can be found in Amyris's SEC filings.

About the Technology

Amyris has developed advanced microbial engineering and screening technologies
that modify the way microorganisms process sugars. Amyris is using this
industrial synthetic biology platform to design microbes, primarily yeast, and
use them as living factories in established fermentation processes to convert
plant-sourced sugars into renewable chemical and transportation fuel products.

This technology may help make it possible for producers to blend renewable
hydrocarbons produced from sustainable biomass and organic waste into
conventional fuel, in significant proportions. Renewable fuels developed by
TOTAL and Amyris may deliver energy density and engine performance comparable
to the best petroleum fuels.

Amyris operates laboratories and a pilot plant in California as well as an
industrial-scale facility located in the state of São Paulo, Brazil. Amyris
has been and will continue supplying renewable fuels in Brazil, including
diesel to over 300 public transit buses in large metropolitan areas. Amyris
also plans to initiate sales of renewable jet fuel in Brazil once it achieves
ASTM validation.

To learn more about Amyris and TOTAL's collaborations, visit
http://amyr.is/biosolutions

About the Companies

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 molecules -- flexible building blocks that can be used in a
wide range of products. Amyris's initial portfolio of commercial products is
based on Biofene®, Amyris's brand of renewable farnesene, a long-chain
hydrocarbon. 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. www.amyris.com

TOTAL is one of the largest integrated oil and gas companies in the world,
with activities in more than 130 countries. The Group is also a first rank
player in chemicals. Its 97,000employees put their expertise to work in every
part of the industry – exploration and production of oil and natural gas,
refining and marketing, new energies, trading, and chemicals. TOTAL is working
to help satisfy the global demand for energy, both today and tomorrow.
TheGroup holds a 66% stake in SunPower, a world leader in solar energy, and
an approximately 18% stake in Amyris, an integrated renewable products
company. Additionally, TOTAL is actively engaged in a number of renewable R&D
projects, such as solar and biomass. www.total.com

Amyris 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 commercialization of Biofene-based
fuels through a joint venture, demand for and benefits of such fuels,
successful completion of R&D program, receipt of ASTM validation, and
expansion of fuel sales) 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 and commercialization of products, liquidity and ability to fund
capital expenditures, Amyris's reliance on third parties to achieve its goals,
and other risks detailed in the "Risk Factors" section of Amyris's quarterly
report on Form 10-Q filed on November 5, 2013. 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, the Amyris logo, Biofene and No Compromise are trademarks or
registered trademarks of Amyris, Inc.

CONTACT: Amyris, Inc.
         Joel Velasco
         (510) 740-7481
         investor@amyris.com
        
         TOTAL
         Quentin Vivant, Press officer
         +33 1 41 35 37 44
         quentin.vivant@total.com

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