EQT Midstream Partners, LP, incorporated on January 18, 2012, owns, operates, acquires and develops midstream assets in the Appalachian Basin. The Company provides midstream services to EQT and multiple third parties across 21 counties in Pennsylvania and West Virginia through its two primary assets: the Transmission and Storage System, serves as a header system transmission pipeline which includes the regulated interstate pipeline and storage business and the Gathering System, which delivers natural gas from wells and other receipt points to transmission pipelines and it includes the regulated low pressure gathering system. The Company provides substantially all of its natural gas transmission, storage and gathering services under contracts with fixed reservation and/or usage fees. Its operations are primarily focused in southwestern Pennsylvania and northern West Virginia, a strategic location in the rapidly growing natural gas shale play known as the Marcellus Shale. As of December 31, 2011, the Company’s transmission and storage system included an approximately 700 mile regulated interstate pipeline system that connects to five interstate pipelines and multiple distribution companies, and it is supported by 14 associated natural gas storage reservoirs with approximately 400 million cubic feet per day of peak withdrawal capability and 32 billion cubic feet of working gas capacity and 24 compressor units.