Exhibit 21.1
SUBSIDIARIES OF PEGASYSTEMS, INC.
| Name of Subsidiary |
Jurisdiction of Organization | |
| Pegasystems Limited |
England | |
| Pegasystems Proprietary Limited |
Australia | |
| Pegasystems Worldwide Inc. |
United States | |
| Pegasystems Investment Inc. |
United States | |
| Pegasystems Company |
Canada | |
| GDOO AB (Liquidated 9/30/01 Final Distribution Q1 2002) |
Sweden | |
| Pegasystems Private Limited |
Singapore |