Questar Announces 2011 Earnings Teleconference and Webcast

Questar Corp. (NYSE: STR) will host a teleconference and webcast to
discuss 2011 results beginning at 9:30 a.m. ET (7:30 a.m. MT) on
Wednesday, February 15, 2012. Ronald W. Jibson, Questar president and
CEO, and Kevin W. Hadlock, executive vice president and CFO, will make
presentations. Questar plans to issue its 2011 earnings release Tuesday,
February 14, 2012, after the market closes.

Interested persons may listen to the webcast online at the Questar
website, 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 website,
accessed by clicking on Investors>News, Events & Presentations>Calendar.
A telephone audio replay will be available from February 15-18, 2012, by
calling (855) 859-2056 or (404) 537-3406 and then pressing 43173176.

Questar Corporation is a Rockies-based integrated natural gas company
with an enterprise value of about $4.5 billion. Its subsidiaries include:

• 
  Wexpro Company?which develops and produces natural gas on behalf of
  Questar Gas Company′s utility customers;
  
• 
  Questar Pipeline Company?which operates interstate natural gas
  pipelines and storage facilities in the western United States;
  
• 
  Questar Gas Company?a regulated natural gas distribution utility
  serving more than 900,000 homes and businesses in Utah, Wyoming and
  Idaho.
  

Investors:

Tony Ivins, 801-324-5218

Media:

Chad Jones,
801-324-5495