1 Hyperion Software Corporation Exhibit (22.1) - Subsidiaries of the Company Name Jurisdiction of Incorporation - ---- ----------------------------- Hyperion Software Operations Inc.......................... Delaware Hyperion Software Corporation of Canada, Ltd. ............ Ontario Hyperion Software Europe S.r.l. .......................... Italy Hyperion Software Italia S.r.l. .......................... Italy Hyperion Software Foreign Sales Corp. .................... Barbados Hyperion Software (UK) plc. .............................. United Kingdom Hyperion Software Deutschland GmbH ....................... Germany Hyperion Softwarevertribs-Gesellschaft MbH................ Austria Hyperion Software France S.A. ............................ France Hyperion Software BeLux S.A............................... Belgium Hyperion Software Nederland, B.V. ........................ The Netherlands Hyperion Software Asia Pte. Ltd. ......................... Singapore IMRS Hyperion Software Iberica, S.A....................... Spain Hyperion Software Nordic AB............................... Sweden Hyperion KK............................................... Japan