SALT LAKE CITY – Questar Corp. (NYSE: STR) announced today that James R. Livsey, executive vice president and chief operating officer of Questar subsidiary Wexpro Company, has elected to retire on or before June 1, 2015, after 30 years with the company.

Livsey began his career in Questar’s internal audit department after five years with Marathon Oil and a public accounting firm. He has led Questar’s natural gas exploration and production affiliate since 1997, a period of record natural gas production for the company that produces natural gas reserves dedicated to the corporation’s utility, Questar Gas.

“Jim’s been a key member of our management team,” said Ron Jibson, Questar chairman, president and CEO. “Under his leadership, Wexpro’s investment base has grown nine-fold, and its net income has grown six-fold. His knowledge and experience have been instrumental to Questar’s success and will continue to be invaluable through a transition to new leadership.”