4 2003-07-25 0 0000751652 QUESTAR CORP STR 0001179477 CASH R D 1 0 0 0 Common Stock and attached Common Stock Purchase Rights 2003-07-25 4 S 0 2000 32.25 D 50873 I Private Foundation These shares were sold by my private foundation pursuant to a Rule 10b5-1 plan. This total represents the shares held by my foundation. It does not include the 284,250 shares I own directly and through a limited liability company. This also does not include 55,710.1258 phantom stock units including 36,108.1141 phantom stock units held in an excess benefits plan and 752,093 vested stock options. Connie C. Holbrook, Attorney in Fact for R.D. Cash 2003-07-25