X0201 4 2003-11-12 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 2003-11-12 4 M 0 2560 16.8125 A 114942 D Common Stock and attached Common Stock Purchase Rights 2003-11-12 4 F 0 1712 33.23 D 113230 D Common Stock and attached Common Stock Purchase Rights 29212.6315 I Employee Investment Plan Common Stock and attached Common Stock Purchase Rights 16.8125 2003-11-12 4 M 0 2560 16.8125 D 1996-08-13 2006-08-13 Common Stock and attached Common Stock Purchase Rights 2560 140139 D Phantom Stock Units 0 1988-08-08 1988-08-08 Phantom Stock Units 0 7099.8798 D I exercised an option to purchase 2,560 shares of stock using 1,295 shares as consideration. I satisfied my tax withholding obligation by selling 417 shares to Questar. As of November 7, 2003, I have 29,212.6315 equivalent shares of stock in my account. 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 2,612.4464 units in such plan in addition to units held through my account balance in deferred compensation plans. Connie C. Holbrook 2003-11-14