X0306 4 2018-03-15 0 0000876343 BIOTIME INC BTX 0001698237 Patton Stephana Eilene 1010 ATLANTIC AVENUE, SUITE 102 ALAMEDA CA 94501 0 1 0 0 General Counsel & Secretary Common Shares, no par value 7500 D Option to Purchase Common Shares 2.54 2018-03-15 4 A 0 125000 0.00 A 2028-03-14 Common Shares 125000 125000 D Does not include shares that may be acquired upon the exercise of certain stock options. One quarter of the options shall vest upon the completion of continuous service from the date of grant until February 1, 2019, and the balance of the options shall vest in 36 equal monthly installments, commencing on February 1, 2019, based upon continued service. /s/Stephana E. Patton 2018-03-19