Pricing Supplement Dated June 7, 1994 Rule 424(b)(5) No. 029 File No. 33-55866 (To Prospectus dated January 3, 1993) MOUNTAIN FUEL SUPPLY COMPANY Medium-Term Notes Due From Nine Months to 30 Years From Date of Issue Fixed Rate: Principal Amount: 8.12% U.S. $10,000,000 Trade Date: Original Issue Date: Interest Rate: 8.12% June 7, 1994 June 14, 1994 Issue Price: Stated Maturity: Regular Record Dates: 100% of June 14, 2024 September 15 and March 15 principal amount Selling Agent's Discount Interest Payment Dates: or Commission: $75,000 October 1 and April 1 Net Proceeds to Company: $9,925,000 Form: Book Entry Redemption: The Notes may be redeemed prior to Stated Maturity Redemption Commencement Date: June 14, 2004 Redemption Percentage: 104.06 Annual Redemption Percentage: .406% Redemption Provisions: The Company may, at its option, at any time, redeem the Notes, as a whole or from time to time in part, on any date prior to maturity, upon notice as set forth in section 1104 of the Indenture, at the following redemption prices, expressed in percentages of the Principal Amount, together with accrued interest to the date fixed for redemption: If Redeemed During Percentage of the 12-Month Period Principal Beginning Amount June 14, 2004 104.060 June 14, 2005 103.654 June 14, 2006 103.248 June 14, 2007 102.842 June 14, 2008 102.436 June 14, 2009 102.030 June 14, 2010 101.624 June 14, 2011 101.218 June 14, 2012 100.812 June 14, 2013 100.406 and thereafter at 100% of the Principal Amount Sinking Fund Redemption Dates: Not applicable Sinking Fund Amount: Not applicable Repayment: The Notes cannot be repaid prior to Stated Maturity. Repayment Dates: Not applicable Repayment Price: Not applicable Agent: Wertheim Schroder & Co. Incorporated Other Provisions: Terms are not completed for certain items above either because such items are not applicable or because the terms are as specified in the Prospectus.