COSTA MESA, Calif. - December 15, 2004 - Parker Hannifin Corporation (NYSE: PH), headquartered in Cleveland, Ohio, has acquired Trilogy Systems Corporation, a privately owned company based in Webster, Texas. Transaction terms were not disclosed.

RSM EquiCo Capital Markets initiated the transaction, led the negotiations and acted as the exclusive financial advisor to Trilogy Systems Corporation.

"With the addition of Trilogy Systems and its excellent reputation, Parker Hannifin will be able to complement its portfolio of industrial automation products" said Randy Krauthamer, managing director for RSM EquiCo Capital Markets. "The acquisition will also enable the buyer to expand its product lines, providing additional opportunities for growth."

About Trilogy Systems Corporation

Founded in 1987, Trilogy Systems Corporation is a manufacturer of linear motor components and linear motor positioners, slides, tables, stages and systems. These products provide precise, accurate and rapid movements for a wide variety of industries and applications.

About Parker Hannifin Corporation

With annual sales exceeding $7 billion, Parker Hannifin Corporation manufactures motion and control technologies. Parker Hannifin provides systematic, precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets.

About RSM EquiCo, Inc.

RSM EquiCo is a global investment bank serving private middle-market companies throughout North America. With more than 400 professionals and support staff in North America and Europe, RSM EquiCo specializes in mergers, acquisitions, divestitures and capital raising for companies with up to $500 million in annual revenue. The firm is part of RSM McGladrey Inc., a business segment of H&R Block.