Attached files

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8-K/A - FORM 8-K AMENDMENT - PEGASYSTEMS INCd649106d8ka.htm
EX-99.3 - EX-99.3 - PEGASYSTEMS INCd649106dex993.htm
EX-99.4 - EX-99.4 - PEGASYSTEMS INCd649106dex994.htm
EX-99.2 - EX-99.2 - PEGASYSTEMS INCd649106dex992.htm

Exhibit 23.1

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in Registration Statement Nos. 333-09305, 333-89707, 333-53746, 333-104788, 333-116660, 333-135596, 333-166287, 333-166544 and 333-176810 of Pegasystems Inc. on Form S-8 of our report dated December 24, 2013 relating to the financial statements of Antenna Software, Inc., appearing in this Current Report on Form 8-K of Pegasystems Inc. dated December 24, 2013.

/s/ DELOITTE & TOUCHE LLP

Boston, Massachusetts

December 24, 2013