X0306 4 2015-05-12 0 0001368993 WaferGen Bio-systems, Inc. WGBS 0001641695 Carlson Rolland C/0 WAFERGEN BIO-SYSTEMS, INC. 7400 PASEO PADRE PARKWAY FREMONT CA 94555 1 1 0 0 CEO and President Common Stock 2015-05-12 4 A 0 50000 0 A 50000 D Stock Option (right to buy) 3.78 2015-05-12 4 A 0 150000 0 A 2022-05-12 Common Stock 150000 150000 D Represents grant of restricted stock units. 16,667 of the restricted stock units will vest on May 29, 2016, 16,666 of the restricted stock units will vest on May 29, 2017, and 16,667 of the restricted stock units will vest on May 29, 2018. One-third of the shares subject to the option vest on the first anniversary of the date of grant and the remaining shares vesting in eight equal quarterly installments over two years thereafter. /s/ Ian Lamdin, Attorney in fact for Rolland Carlson 2015-05-12