1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-79074, 33-79142, 33-95774, 33-95780 and 333-3402) of Project Software & Development, Inc. of our report dated May 12, 2000, of INTERMAT, Inc., which appears in the Current Report on Form 8-K of Project Software & Development, Inc. dated March 2, 2000. PricewaterhouseCoopers LLP Boston, Massachusetts May 15, 2000