EXHBIT 10.1 FIFTH AMENDMENT TO LEASE THIS FIFTH AMENDMENT TO LEASE ("Fifth Amendment") is made this 19th day of March, 2008 (the "Effective Date"), between DAVID D. BOHANNON ORGANIZATION, a California corporation, herein referred to as "Landlord", and...Lease • April 30th, 2008 • Geron Corp • Pharmaceutical preparations • California
