X0201 5 2003-12-31 0 0 0 0000876343 BIOTIME INC BTX 0001067403 NICKEL JEFFREY B 13180 VIA RANCHERO DRIVE SARATOGA CA 95070 1 0 0 0 Common Shares, no par value 82812.0000 D Option to Purchase Common Shares 12.5700 1999-04-29 2004-04-28 Common Shares 10000.0000 10000.0000 D Option to Purchase Common Shares 11.5000 2000-03-31 2005-03-30 Common Shares 10000.0000 10000.0000 D Option to Purchase Common Shares 7.2500 2001-03-26 2006-03-25 Common Shares 10000.0000 10000.0000 D Option to Purchase Common Shares 3.0000 2007-03-30 Common Shares 20000.0000 20000.0000 D Option to Purchase Common Shares 1.5500 2008-03-30 Common Shares 20000.0000 20000.0000 D Warrants to Purchase Common Shares 2.0000 2004-01-21 2007-01-14 Common Shares 937.0000 937.0000 D Includes 70,000 shares that Dr. Nickel may acquire through the exercise of stock options and 937 shares that he may acquire upon the exercise of certain warrants. 12,500 options became exercisable on March 31, 2002 and the remaining 7,500 became exercisable in 9 equal monthly installments based upon continued service on the board of directors. 5,000 options became exercisable on March 31, 2003 and the remaining 15,000 became exercisable in 9 equal monthly installments based upon continued service on the board of directors. /s/ Jeffrey B. Nickel 2004-02-17