Compensatory Arrangements of Certain Officers

     On December 16, 2008, the Compensation Committee of the Board of Directors
of Geron Corporation (the "Company") approved (a) annual base salaries for 2009,
which are the same as the 2008 annual base salaries and (b) cash performance
bonuses for 2008 for the following principal executive officer, principal
financial officer and named executive officers of the Company:

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                                                        2009
                                                       Salary            2009            2008
Name and Position                                     Increase        Base Salary     Cash Bonus
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Thomas B. Okarma, Ph.D., M.D.                        $    --         $   535,000    $    280,900
   President and CEO
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David L. Greenwood                                   $    --         $   415,000    $    163,400
   Executive Vice President and CFO
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Fabio M. Benedetti, M.D.                             $    --         $   350,000    $    102,300
   Senior Vice President, Chief Medical
   Officer, Oncology
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David J. Earp, J.D., Ph.D.                           $    --         $   325,000    $    113,800
   Senior Vice President, Bus. Dev. and
   Chief Patent Counsel
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Calvin B. Harley, Ph.D.                              $    --         $   315,000    $     96,500
   Chief Scientific Officer
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Melissa Kelly Behrs                                  $    --         $   320,000    $    112,000
   Senior Vice President, Therapeutic
   Development, Oncology
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Jane S. Lebkowski, Ph.D.                             $    --         $   335,000    $    117,300
   Senior Vice President, Regenerative
   Medicine
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