CHICAGO–(BUSINESS WIRE)–Fitch Ratings has assigned an initial Long-Term Issuer Default Rating (IDR) of ‘A-‘ to Questar Gas Company. The senior unsecured debt rating is ‘A’ and the Short-Term IDR/Commercial Paper rating is ‘F2’. The Rating Outlook is Stable. A full list of ratings follows at the end of this release. KEY RATING DRIVERS Low Risk Business Profile: Questar Gas is a local gas distribution utility serving customers in Utah, Wyoming, and Idaho. The majority of the company’s customers