Explanation of Responses:
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1)
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Includes 2,500 shares acquired under the Solazyme Employee Stock Purchase Plan.
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2)
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The option provided for monthly vesting as to 1/48 of the underlying shares beginning on March 9, 2011.
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3)
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On February 19, 2015, the issuer canceled, pursuant to the issuer's option exchange program, an option for 50,000 shares of SZYM common stock granted to the reporting person on March 9, 2011. In exchange, the reporting person received a replacement option, for 25,000 shares, having an excercise price of $2.58 a share.
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4)
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The option vests in full on January 1, 2016.
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5)
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The option provided for monthly vesting as to 1/48 of the underlying shares beginning on January 1, 2012.
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6)
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On February 19, 2015, the issuer canceled, pursuant to the issuer's option exchange program, an option for 100,000 shares of SZYM common stock granted to the reporting person on February 11, 2012. In exchange, the reporting person received a replacement option, for 50,000 shares, having an excercise price of $2.58 a share.
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7)
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The option provided for monthly vesting as to 1/48 of the underlying shares beginning on January 1, 2013.
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8)
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On February 19, 2015, the issuer canceled, pursuant to the issuer's option exchange program, an option for 50,000 shares of SZYM common stock granted to the reporting person on February 25, 2013. In exchange, the reporting person received a replacement option, for 25,001 shares, having an excercise price of $2.58 a share.
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9)
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The option vests as to 18,750 shares on January 1, 2016 and as to 1/48 of the underlying shares monthly thereafter.
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10)
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The option provided for monthly vesting as to 1/48 of the underlying shares beginning on January 1, 2014.
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11)
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On February 19, 2015, the issuer canceled, pursuant to the issuer's option exchange program, an option for 60,000 shares of SZYM common stock granted to the reporting person on February 12, 2014. In exchange, the reporting person received a replacement option, for 30,000 shares, having an excercise price of $2.58 a share.
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12)
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The option vests as to 15,000 shares on January 1, 2016 and as to 1/48 of the underlying shares monthly thereafter.
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13)
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The option provided for monthly vesting as to 1/48 of the underlying shares beginning on May 22, 2014.
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14)
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On February 19, 2015, the issuer canceled, pursuant to the issuer's option exchange program, an option for 200,000 shares of SZYM common stock granted to the reporting person on May 22, 2014. In exchange, the reporting person received a replacement option, for 100,000 shares, having an excercise price of $2.58 a share.
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15)
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The option vests as to 39,583 shares on January 1, 2016 and as to 1/48 of the underlying shares monthly beginning December 22, 2015.
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