CNX Gas Settles Patent Litigation with CDX Gas

PITTSBURGH, June 2 /PRNewswire-FirstCall/ -- CNX Gas Corporation announced today that it has settled the litigation it had pending with CDX Gas, LLC in the U.S. District Court for the Western District of Pennsylvania regarding certain CDX patents relating to horizontal well designs. As part of the settlement, CNX Gas affirmed the validity and enforceability of the patents at issue in the litigation and has licensed the CDX technology from CDX. The settlement does not require CNX Gas to pay CDX any cash consideration for CNX Gas' prior drilling activities. The pending litigation has been dismissed with prejudice. The other terms of the settlement agreement are confidential.

(Logo: http://www.newscom.com/cgi-bin/prnh/20051213/CNXLOGO )

The parties have agreed to enter into joint venture arrangements with respect to several properties and they look forward to a close and cooperative relationship in the future.

CNX GAS CORPORATION is an independent natural gas exploration, development, production and gathering company operating in the Appalachian and Illinois basins of the United States.

Contact: Dan Zajdel Office: 412.200.6719 Email: danzajdel@cnxgas.com