X0303 4 2009-12-14 0 0000751652 QUESTAR CORP STR 0001444588 Neese Jay B 180 EAST 100 SOUTH P.O. BOX 84145-0433 SALT LAKE CITY UT 84145-0433 0 1 0 0 Senior Vice President Common Stock 43329 D Common Stock 27612.5476 I Employee Investment Plan Phantom Stock Units 40.54 2009-12-14 4 A 0 23.6408 40.54 A Phantom Stock Units 23.6408 7452.603 D Stock Option 13.555 2003-08-11 2013-02-11 Common Stock 17910 17910 D Stock Option 35.38 2016-03-05 Common Stock 80000 80000 D As of December 14, 2009, I have 27,612.5476 equivalent shares of stock in Questar's Employee Investment Plan. The number of equivalent shares will fluctuate as Questar's stock price changes; this fluctuation does not reflect any transactions that should be reported. Phantom stock units will be converted to cash per my elections on or within 5 years of my termination of employment (subject to 6-month delay if necessary to comply with IRC 409A), or upon my death or Disability. The option vests in three annual installments beginning on March 5, 2010. Abigail L. Jones Attorney in Fact for J. B. Neese 2009-12-16