Questar Board Declares 273rd Consecutive Dividend

  Questar Board Declares 273rd Consecutive Dividend

Business Wire

SALT LAKE CITY -- February 12, 2013

Questar Corp.’s (NYSE:STR) board of directors today approved a $0.17 (17
cents) quarterly common stock dividend. The dividend, payable March 11, 2013,
to shareholders of record on February 22, 2013, is the same as the previous
quarter. This is the company’s 273^rd consecutive dividend.

About Questar Corporation:

Questar is a Rockies-based integrated natural gas company with an enterprise
value of about $5.5 billion and three complementary lines of business:

  * Questar Gas Company provides retail 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 is headquartered in Salt Lake City, Utah.

For more information, visit Questar’s website at: http://www.questar.com.

Contact:

Questar Corporation
Investors: Tony Ivins, 801-324-5218
Media: Chad Jones, 801-324-5495