Questar Announces 2012 Third-Quarter Results Teleconference and Webcast

Questar Corp. (NYSE:STR) will host a teleconference and webcast to
discuss third-quarter 2012 results beginning at 9:30 a.m. ET (7:30 a.m.
MT) on Wednesday, October 31, 2012. Ronald W. Jibson, Questar chairman,
president and CEO, and Kevin W. Hadlock, executive vice president and
CFO, will comment on Questar′s third-quarter performance. Questar plans
to issue its third-quarter 2012 earnings release Tuesday, October 30,
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 October 31-November 3,
2012, by calling (855) 859-2056 or (404) 537-3406 and then pressing
43180940.

Questar Corporation is a Rockies-based integrated natural gas company
with an enterprise value of about $4.9 billion, operating through three
principal subsidiaries:

• Questar Gas Company provides retail natural gas distribution in
  Utah, Wyoming, and Idaho;
  
• Wexpro Company develops and produces natural gas from cost-of
  service reserves for Questar Gas customers; and
  
• Questar Pipeline Company operates interstate natural gas
  pipelines and storage facilities in the western U.S. and provides
  other energy services.
  

Questar Corporation

Investors: ?Tony Ivins, 801-324-5218

Media: ?Chad
Jones, 801-324-5495