CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-56765 and 333-61727) and in the Registration Statements on Form S-8 (Nos. 333-10697, 333-38871, 333-62275, 333-50942 and 333-49182) of Hyperion Solutions Corporation of our report dated July 25, 2001 relating to the financial statements and financial statement schedules, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

San Jose, California
September 18, 2001