SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report - February 8, 2000 (Date of earliest event reported) Questar Corporation (Exact name of registrant as specified in charter) STATE OF UTAH 1-8796 87-0407509 (State or other juris- (Commission (I.R.S. Employer diction of incorporation File No.) Identification No.) or organization) P.O. Box 45433, 180 East First South Street, Salt Lake City, Utah 84145-0433 (Address of principal executive offices) Registrant's telephone number, including area code (801) 324-5000 Not Applicable (Former name or former address, if changed since last report.) FORM 8-K CURRENT REPORT Item 7. Financial Statements and Exhibits. (c) Exhibits. Exhibit No. Exhibit 4 Questar Corporation Dividend Reinvestment and Stock Purchase Plan as amended and restated effective February 8, 2000 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. QUESTAR CORPORATION (Registrant) February 18, 2000 By /s/ S. E. Parks (Date) S. E. Parks Vice President, Treasurer, and Chief Financial Officer