THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Cascade Natural Gas Corporation (CGC)

12/16/2004 and 1/9/2006 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.

12/15/2003 Proxy Information

Mr. Clapp was Chairman and Chief Executive Officer of Cascade Natural Gas Corporation from December 1988 until he retired February 1, 1995. From August 1981 to December 1988 he was Executive Vice President. Mr. Clapp joined Cascade Natural Gas Corporation in 1956 and held positions in district management until moving to the general office in 1969. He served as a director of Cascade Natural Gas Corporation from 1981 until April 30, 2002.

THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

Cascade Natural Gas Corporation (CGC)

12/16/2004 and 1/9/2006 Proxy Information

Mr. Chorba served as Vice President of Administration of Georgia Gulf Corporation from February 1992 until his retirement in March 1994.

Mr. Satrum served as Chief Executive Officer of Georgia Gulf Corporation from February 1991 until his retirement in April 1998 and served as President from May 1989 until December 1997 and Vice President - Finance and Treasurer from 1985 until 1989.

12/15/2003 Proxy Information

Mr. Clapp was Chairman and Chief Executive Officer of Cascade Natural Gas Corporation from December 1988 until he retired February 1, 1995. From August 1981 to December 1988 he was Executive Vice President. Mr. Clapp joined Cascade Natural Gas Corporation in 1956 and held positions in district management until moving to the general office in 1969. He served as a director of Cascade Natural Gas Corporation from 1981 until April 30, 2002.