Questar Announces 2012 Analyst Day Webcast

Questar Corp. (NYSE: STR) will host a webcast of its 2012 Analyst Day on
Thursday, March 15, 2012, at 10:00 a.m. ET (8:00 a.m. MT). Ronald W.
Jibson, president and CEO, will welcome participants and give an
overview of Questar′s 2011 performance and 2012 expectations. Jim
Livsey, Wexpro Company′s general manager, and his team will begin with
an in-depth presentation on Wexpro′s business and an update on the
status of discussions to extend the development and production life of
cost-of-service reserves beyond the original assets included in the
Wexpro Agreement. Questar Pipeline Company′s CEO, Allan Bradley, will
follow with a review of his company′s business and opportunities.
Questar Gas Company′s general manager, Craig Wagstaff, will conclude
with a review of the gas utility′s infrastructure replacement program,
its natural gas vehicle (NGV) facilities expansions, and related
developments in the NGV and CNG space. The webcast is expected to last
four hours until 2:00 p.m. ET (12:00 noon MT).

Interested persons may listen to the webcast and download a copy of the
presentation at the Questar website, www.questar.com.
A podcast will also be available for download following the webcast.

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.
  

Questar Corporation

Investors: Tony Ivins, 801-324-5218

Media:
Chad Jones, 801-324-5495