X0202 4 2007-07-02 1 0000018072 CASCADE NATURAL GAS CORP CGC 0001237294 HAUG JAMES E 222 FAIRVIEW AVE N SEATTLE WA 98109 0 1 0 0 Chief Accounting Officer Common Stock 2007-07-02 4 M 0 3000 20.84 A 6501.1797 D Common Stock 2007-07-02 4 U 0 6501.1797 26.5 D 0 D Employee Stock Option (Right to Buy) 20.84 2007-07-02 4 M 0 3000 0 D 2003-03-29 2012-03-29 Common Stock 3000 0 D Options were exercised as provided in the Agreement and Plan of Merger by and among the Company, Firemoon Acquisition, Inc. and MDU Resources Group, Inc. (the "Merger Agreement"). Option holders received cash in an amount equal to the difference between the merger consideration and the exercise price, as provided in the Merger Agreement. Reporting person disposed of 6501.1797 shares of Common Stock pursuant to an Agreement and Plan of Merger by and among MDU Resources Group, Inc., Firemoon Acquisition, Inc., and Cascade Natural Gas Corporation, dated as of July 8, 2006. Exercise of 3000 shares of Common Stock granted under the CNGC 1998 stock incentive plan. James Haug 2007-07-06