X0202 4/A 2004-06-07 2004-06-08 0 0000751652 QUESTAR CORP STR 0001174637 HOLBROOK CONNIE C 180 EAST 100 SOUTH SALT LAKE CITY UT 84111 0 1 0 0 Sr. VP, Gen. Counsel, Corp Sec Common Stock and attached Common Stock Purchase Rights 2004-06-07 4 M 0 2694 17 A 126119 D Common Stock and attached Common Stock Purchase Rights 2004-06-07 4 F 0 1236 37.04 D 124883 D Common Stock and attached Common Stock Purchase Rights 2004-06-07 4 M 0 100 15 A 124983 D Common Stock and attached Common Stock Purchase Rights 29863.27 I Employee Investment Plan Common Stock and attached Common Stock Purchase Rights 17 2004-06-07 4 M 0 2694 17 D 2002-02-09 2009-08-09 Common Stock and attached Common Stock Purchase Rights 2694 117096 D Common Stock and attached Common Stock Purchase Rights 15 2004-06-07 4 M 0 100 15 D 2003-02-08 2010-08-08 Common Stock and attached Common Stock Purchase Rights 100 115492 D Phantom Stock Units 37.04 2004-06-07 4 A 0 10.9746 37.04 A Phantom Stock Units 10.9746 7510.53 D I exercised an option to purchase 2,694 shares of stock using 1,236 shares as consideration. As of June 7, 2004, I have 29,863.27 equivalent shares of stock in my account in Questar's Employee Investment Plan. This report also corrects the number of shares by reducing it by 1,504 shares. The wrong number has been reported for some time. Phantom stock units will be converted to cash beginning at retirement; my retirement date is unknown. I receive phantom stock units as a result of my participation in an excess benefit plan. This total includes 2,866.6808 units in such plan in addition to units held through my account balance in a deferred compensation plan. Connie C. Holbrook 2004-06-21