X0306 4 2019-06-13 0 0001013857 PEGASYSTEMS INC PEGA 0001237268 KRA DOUGLAS I C/O PEGASYSTEMS INC. 1 ROGERS STREET CAMBRIDGE MA 02142 0 1 0 0 SVP, Global Customer Success Common Stock 2019-06-13 4 M 0 3736 18.02 A 37923 D Common Stock 2019-06-13 4 F 0 2127 71.60 D 35796 D Common Stock 2019-06-13 4 S 0 1609 71.40 D 34187 D Stock Options 18.02 2019-06-13 4 M 0 3736 0.00 D 2011-03-01 2020-03-01 Common Stock 3736 0 D Represents the exercise price of the Stock Options referenced in Table II and Mr. Kra's tax liability, which were paid by the Company withholding shares of equal value. Represents the weighted average of the sale prices, ranging from $71.37 to $71.42. The individual has provided the Company, and undertakes to provide the staff of the Securities and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price. Does not include shares of common stock subject to unvested restricted stock units and/or options awards. Options vested 20% on March 1, 2011, with the remaining 80% vesting in equal quarterly installments over the next four years. The grant of stock options was previously reported as 1,868, but has been adjusted to reflect a 2-for-1 stock split that occurred on April 1, 2014. /s/ Janet Mesrobian, Esq., Attorney-in-Fact for Doug Kra 2019-06-17