X0303 4 2010-02-25 0 0001013857 PEGASYSTEMS INC PEGA 0001222574 JONES RICHARD H C/O PEGASYSTEMS INC. 101 MAIN STREET CAMBRIDGE MA 02142 1 0 0 0 Common Stock 2010-02-25 4 S 0 15000 36.01 D 541065 D Common Stock 86601 I Family Foundation The total amount of securities beneficially owned following this transaction includes the addition of 350 shares, to reflect a correction listed in the Form 4A filed on 2-26-2010. The total amount of securities beneficially owned following this transaction includes the subtraction of 350 shares, to reflect a correction listed in the Form 4A filed on 2-26-2010. This number represents shares held by the Jones Family Foundation, of which Mr. Jones is a trustee. Mr. Jones has voting and dispositive power over such shares, but has no pecuniary interst with respect to such shares. Therefore, future Form 4 filings for Mr. Jones will no longer report shares for the Foundation. /s/ Shawn Hoyt, Esq., as Attorney-In-Fact for Richard H. Jones 2010-03-01