Attached files

file filename
8-K/A - FORM 8-K AMENDMENT - PEGASYSTEMS INCd8ka.htm
EX-99.3 - UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS - PEGASYSTEMS INCdex993.htm
EX-99.2 - AUDITED CONSOLIDATED FINANCIAL STATEMENTS - PEGASYSTEMS INCdex992.htm
EX-99.4 - UNAUDITED PRO FORMA CONDENSED COMBINED CONSOLIDATED FINANCIAL INFORMATION - PEGASYSTEMS INCdex994.htm

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 Nos. 333-09305, 333-89707, 333-53746, 333-104788, 333-116660, 333-135596, and 333-166287 of Pegasystems Inc. of our report dated November 19, 2009, relating to the consolidated financial statements of Chordiant Software, Inc. which appears in Chordiant Software, Inc.’s Annual Report to Shareholders for the year ended September 30, 2009.

 

/s/ BDO USA LLP
San Jose, California
July 6, 2010