EXHIBIT 22.0 CONCURRENT COMPUTER CORPORATION Subsidiaries of the Registrant Jurisdiction of Subsidiary Name Incorporation/Organization Domestic Concurrent Computer Corporation (France) Delaware, USA Concurrent Computer Asia Corporation Delaware, USA Concurrent Securities Corp. Foreign Concurrent Computer Corporation Pty. Ltd. Australia Concurrent Computer Belgium B.V./S.A. Belgium Concurrent Computer Canada, Inc. Canada Concurrent Computer France S.A. France Concurrent Computer GmbH Germany Concurrent Computer Hellas, EPE Greece Concurrent Computer Hong Kong Limited Hong Kong Concurrent Computer Ireland, Ltd. Ireland Concurrent Computer Italia S.r.l. Italy Concurrent Nippon Corporation Japan (60%) Concurrent Nederland B.V. The Netherlands Concurrent Computer New Zealand New Zealand Concurrent Computer Far East Pte. Ltd. Singapore Concurrent Computer Hispania, S.A. Spain Concurrent Computer Holding Co. Ltd. United Kindgom Concurrent Computer Nederland, Ltd. United Kindgom Concurrent Computer Corporation, Ltd. United Kindgom Concurrent Computer Scandinavia Limited United Kindgom All subsidiaries (unless otherwise noted) are wholly owned.