ExxonMobil and Synthetic Genomics Inc. Advance Algae Biofuels Program with New Greenhouse

Greenhouse Simulates Real-World Conditions for Research and Development

    --  Facility to support evaluation of most productive strains of algae and
        most efficient production methods
    --  Biofuel from algae could result in economically viable, low net carbon
        emission transportation fuel
    --  Next major milestone is outdoor test facility, expected in mid-2011

LA JOLLA, Calif.--(BUSINESS WIRE)-- Exxon Mobil Corporation (NYSE:XOM) and Synthetic Genomics Inc. (SGI) announced the opening of a greenhouse facility today enabling the next level of research and testing in their algae biofuels program.

The new facility, opened at a ceremony at SGI headquarters in La Jolla, CA, moves the project from a laboratory setting to an environment that better reflects real-world conditions for algae production. SGI and ExxonMobil researchers are using the facility to test whether large-scale quantities of affordable fuel can be produced from algae.

"This is an important day in the early stages of our development program as we test the hypothesis that algae biofuels could become commercially viable and make a meaningful contribution to meeting future energy demand," said Dr. Emil Jacobs, vice president of research and development for ExxonMobil.

In the greenhouse facility, researchers from ExxonMobil and SGI will examine different growth systems for algae, such as open ponds and closed photobioreactors. They will evaluate various algae, including both natural and engineered strains, in these different growth systems under a wide range of conditions, including varying temperatures, light levels and nutrient concentrations. They will also conduct research into other aspects of the algae fuel production process, including harvesting and bio-oil recovery operations.

"The greenhouse is the next important step in our alliance as we comprehensively explore algae as a source of renewable biofuels. The team has already made great strides in evaluating various strains and growth conditions for algae and we are eager to continue and expand this important research as we plan for the next stages of scale up," said J. Craig Venter, Ph.D., founder and CEO for SGI.

Since ExxonMobil and SGI announced the algae biofuel program last July, researchers have made substantial progress, including:

    --  Isolating and/or engineering a large number of candidate algal strains
        and developing growth conditions under which these strains could be made
        more productive;
    --  Identifying and testing some of the preferred design characteristics of
        the different production systems; and
    --  Initiating life cycle and sustainability studies to assess the impact of
        each step in the process on greenhouse gas emissions, land use and water
        use.

The next major milestone in the program, expected in mid-2011, is the opening of an outdoor test facility.

If research and development milestones are successfully met, ExxonMobil expects to spend more than $600 million on the algae biofuels program over the next decade, $300 million of which will be allocated to SGI.

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About ExxonMobil

ExxonMobil, the largest publicly traded international oil and gas company, uses technology and innovation to help meet the world's growing energy needs. ExxonMobil holds an industry-leading inventory of resources, is the largest refiner and marketer of petroleum products, and its chemical company is one of the largest in the world. For more information, visit www.exxonmobil.com.

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About Synthetic Genomics Inc.

SGI, a privately held company founded in 2005, is dedicated to developing and commercializing genomic-driven solutions to address global energy and environment challenges. Advances in synthetic genomics present limitless applications in a variety of product areas including: energy, chemicals and pharmaceuticals. The company's main research and business programs are focused on major bioenergy areas: designing advanced biofuels with superior properties compared to ethanol and biodiesel; harnessing photosynthetic organisms to produce value added products directly from sunlight and carbon dioxide; developing new biological solutions to increase production and/or recovery rates of subsurface hydrocarbons and developing high-yielding, more disease resistant and economic feedstocks. For more information, go to www.syntheticgenomics.com.

CAUTIONARY STATEMENT: Business plans and expectations discussed in this release are forward-looking statements. Actual future results, including program plans, expenditures and schedules, and the development and commercialization of new technology and biofuels could differ materially due to changes in market conditions; regulatory developments; technological developments; technical or operating factors; the outcome of commercial negotiations; and other factors discussed under the heading "Factors Affecting Future Results" in the "Investors" section of our website (www.exxonmobil.com) and in Item 1A of our most recent Form 10-K.

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    Source: Exxon Mobil Corporation