CTS Corporation Files Suit for Patent Infringement

ELKHART, Ind.--Oct. 1, 20044, 2004--CTS Corporation announced today that it has filed suit in the United States District Court for the Northern District of Illinois, Eastern Division, against Partron Co., Ltd. of the Republic of Korea and its U.S. distributor, Samnova A/S of Denmark, charging both organizations with knowingly producing and/or selling ceramic monoblock duplexers that infringe one or more of CTS' ceramic duplexer filter patents. The suit seeks to enjoin the production and sale of all products infringing the CTS patents, plus an accounting for all profits derived from such production and sale, and treble damages for intentional infringement.

Richard G. Cutter, CTS' Vice President, Secretary and General Counsel stated, "We place a high value on our intellectual property and will take whatever steps are necessary to protect and defend our position."

CTS Corporation is a leading designer and manufacturer of electronic components and sensors, and a provider of EMS products and services for the automotive, computer and communications markets. The Company manufactures products in North America, Europe and Asia. A network of direct sales personnel, independent manufacturers' representatives and electronic distributors provides worldwide sales coverage. The Company's stock is traded on the NYSE under the ticker symbol "CTS." p>