X0202 4 2005-03-21 0 0000876343 BIOTIME INC BTX 0000941982 DRESNER MILTON H 28777 NORTHWESTERN HWY SUITE 100 SOUTHFIELD MI 48304 1 0 0 0 Common Shares, no par value 125614 D Option to Purchase Common Shares 1.26 2005-03-21 4 A 0 20000 0.00 A 2010-03-30 Common Shares 20000 20000 D Option to Purchase Common Shares 2.17 2009-03-07 Common Shares 20000 20000 D Option to Purchase Common Shares 1.55 2008-03-30 Common Shares 20000 20000 D Option to Purchase Common Shares 3.00 2007-03-30 Common Shares 20000 20000 D Option to Purchase Common Shares 7.25 2001-03-26 2006-03-25 Common Shares 10000 10000 D Option to Purchase Common Shares 11.50 2000-03-31 2005-03-30 Common Shares 10000 10000 D Includes 100,000 shares that Mr. Dresner may acquire through the exercise of stock options. 5,000 options become exercisable on March 31, 2005 and the remaining 15,000 will become exercisable in 3 equal quarterly installments based upon continued service on the board of directors. 5,000 options became exercisable on March 31, 2004 and the remaining 15,000 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. 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. . 2005-03-23