NEW YORK (Standard&Poor's) July 28, 2014--Standard&Poor's Ratings Services said today it assigned its 'BBB-' issue-level rating to EQT Midstream Partners L.P.'s proposed senior unsecured note offering due 2024. The partnership intends to use the net proceeds to repay amounts outstanding under its revolving credit facility and for general partnership purposes. As of June 30, 2014, EQT Midstream Partners had about $330 million outstanding under its credit facility. Standard&Poor's corporate credit rating on EQT Midstream Partners is 'BBB-' and the outlook is stable. U.S. midstream energy master limited partnership EQT Midstream Partners is a natural gas gathering, transmission, and storage partnership formed by EQT Corp. to develop midstream assets in the Appalachian Basin. RELATED CRITERIA