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(Rule 14a-101)



Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No. )

Filed by the Registrant [x]
Filed by a Party other than the Registrant [_]

Check the appropriate box:
[_]  Preliminary Proxy Statement                  [_] Soliciting Material Under Rule
[_]  Confidential, For Use of the                        14a-12
       Commission Only (as permitted
       by Rule 14a-6(e)(2))
[_]  Definitive Proxy Statement
[x]  Definitive Additional Materials


(Name of Registrant as Specified In Its Charter)


(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):
[x]  No fee required.
[_] Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

1)  Title of each class of securities to which transaction applies:
2)  Aggregate number of securities to which transaction applies:
3)  Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the
     amount on which the filing fee is
calculated and state how it was determined):
4)  Proposed maximum aggregate value of transaction:
5)  Total fee paid:
[_] Fee paid previously with preliminary materials:
[_] Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which
      the offsetting fee was paid
previously. Identify the previous filing by registration statement number, or the form or
      schedule and the date of its filing.

      1) Amount previously paid:
      2) Form, Schedule or Registration Statement No.:
      3) Filing Party:
      4) Date Filed:

Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to be held on 05/28/08.

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting.
The following materials are available for view:

Notice and Proxy Statement, Annual Report and Letter

To view this material, have the 12-digit Control #(s) available and visit:

If you want to receive a paper or e-mail copy of the above listed documents you must request one. There is no charge to you for requesting a copy. To facilitate timely delivery please make the request as instructed below on or before 05/08/08.
To request material:              Internet:             Telephone: 1-800-579-1639             **Email:

**If requesting material by e-mail please send a blank e-mail with the 12-digit Control# (located on the following page) in the subject line.
Requests, instructions and other inquiries will NOT be forwarded to your investment advisor.

           1745 GARDENA AVENUE 
           GLENDALE, CA 91204


     Vote In Person  

Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the Meeting materials for any special requirements for meeting attendance. At the meeting you will need to request a ballot to vote these shares.

Vote By Internet

To vote now by Internet, go to WWW.PROXYVOTE.COM. Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the cut-off date or meeting date. Have your notice in hand when you access the web site and follow the instructions.

Meeting Location
The Annual Meeting for holders as of 03/31/08
is to be held on 05/28/08 at 8:30 A.M. PT
at:   Geron Corporation 
       230 Constitution Drive 
       Menlo Park, CA 94025




Voting items  
The Board of Directors Unanimously Recommends
That Stockholders Vote FOR all proposals.
1.      Election of Class III Directors.
01) Alexander E. Barkas, Ph.D.
02) Charles J. Homcy, M.D.
2. To ratify appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2008.

As said proxies deem advisable on such other matters as may come before the meeting and any adjournment(s) or postponement(s) thereof.