Exhibit 21.1

SUBSIDIARIES OF PEGASYSTEMS INC.

Name of Subsidiary	State or Jurisdiction of Entity
Pegasystems Limited	England
Pegasystems Proprietary Limited	Australia
Pegasystems Worldwide Inc.	Massachusetts
Pegasystems Investment Inc.	Massachusetts
Pegasystems Company	Canada
Pegasystems Private Limited	Singapore
Pegasystems Worldwide India Private Limited	India