SALT LAKE CITY — Questar Corporation (NYSE:STR) announced today that Keith O.
Rattie, Questar Chairman, President and Chief Executive Officer, will present at the Wachovia
19th Annual Mid-Year Equity Conference on Wednesday, June 24, 2009 at 2:00 p.m. EDT. A
live audio Webcast of these remarks will be accessible at Questar’s Web site at
http://www.Questar.com. A replay of the Webcast will be available later that day and archived
on the Web site for about 30 days.
Questar Corp. (NYSE:STR) is a natural gas-focused energy company with an enterprise
value of about $8 billion. Questar finds, develops, produces, gathers, processes, transports,
stores and distributes natural gas.