2013-03-05 13:32:12 -

Menlo Park, Calif., March 5, 2013 - Geron Corporation (Nasdaq: GERN) will
announce its financial results for the fourth quarter and year ended December
31, 2012, on Tuesday, March 12, 2013, after the market close. Geron's management
will host a conference call for analysts and investors on Wednesday, March
13, 2013, at 9:00 a.m. Eastern Time to discuss the company's fourth quarter and
annual results and highlights.

Participants can access the conference call live via telephone by dialing
866-270-6057 (U.S.); 617-213-8891 (international). The passcode is 80790305. If
accessing the conference call by telephone, please dial in at least 10 minutes
early to minimize any delay in joining the call. A live audio-only webcast is
also available at  edge.media-server.com/m/p/3328hz6w/lan/en. The audio
webcast of the conference call will be available for replay   approximately one
hour following the live broadcast through April 12, 2013.

About Geron

Geron is a biopharmaceutical company developing first-in-class therapies for
cancer, including its telomerase inhibitor, imetelstat, in clinical development.
For more information about Geron, visit www.geron.com.

CONTACT:

Anna Krassowska, Ph.D.
Investor and Media Relations
650-473-7765
investor@geron.com
media@geron.com

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Source: Geron Corp. via Thomson Reuters ONE
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