X0306 4 2019-05-16 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 2019-05-16 4 M 0 6390 16.15 A 39280 D Common Stock 2019-05-16 4 F 0 2892 72.11 D 36388 D Common Stock 2019-05-16 4 S 0 3498 72.02 D 32890 D Stock Options 16.15 2019-05-16 4 M 0 6390 0.00 D 2010-12-15 2019-12-15 Common Stock 6390 0 D Represents the exercise price of the Stock Options referenced in Table II and Mr. Kra's tax liability, which were paid by way of the Company withholding shares of equal value. Represents the weighted average of the sale prices on May 1, 2019, ranging from $72.00 to $72.05. The individual has provided the Company, and undertakes to provide to 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. The grant of stock options was previously reported as 3,195, but has been adjusted to reflect a 2-for-1 stock split that occurred on April 1, 2014. Options vested 20% on December 15, 2010, with the remaining 80% vesting in equal quarterly amounts. /s/ Janet Mesrobian, Esq., Attorney-in-Fact for Douglas I. Kra 2019-05-17