SALT LAKE CITY — Questar Corp. (NYSE:STR) will host a teleconference and Webcast to
discuss fourth-quarter and full-year 2008 results beginning at 9:30 a.m. EST (7:30 a.m. MST) on
Thursday, February 12, 2009. Keith Rattie, Questar chairman, president and CEO, and Stephen
Parks, senior vice president and CFO, will make presentations. Questar plans to issue its fourthquarter
and full-year 2008 earnings release Wednesday, February 11, 2009.
Interested persons may listen to the Webcast online at the Questar Web site,
www.questar.com. A podcast will also be available for download following the Webcast at
www.questar.com. A replay of the teleconference will be available on the Web site, accessed by
clicking on Investors>News, Events & Presentations>Calendar>and Featured Events. A
telephone audio replay will be available from February 12 to February 14, by calling (800) 642-
1687 domestically or (706) 645-9291 internationally, then pressing 82173921.
Questar is a natural gas-focused energy company with about $8.3 billion in enterprise
value. Headquartered in Salt Lake City, Questar engages in gas and oil development and
production; gas gathering, processing and marketing; interstate gas transmission and storage; and
retail gas distribution.