1 Methane Challenge Program Partners By joining Methane Challenge, the partners listed below commit to implementing technologies and practices to reduce emissions of methane, a potent greenhouse gas. The Partnership is open to oil and natural gas companies operating in the United States. BMP Commitment Option Gathering and Transmission and Partner Boosting Storage Distribution Ameren Illinois ▲ Atmos Energy ▲ AVANGRID, Inc. ▲ Avista Utilities ▲ CenterPoint Energy ▲ Columbia Gas of Maryland, Inc. (a NiSource Company) ▲ Columbia Gas of Massachusetts, Inc. (a NiSource Company) ▲ Columbia Gas of Ohio, Inc. (a NiSource Company) ▲ Columbia Gas of Pennsylvania, Inc. (a NiSource Company) ▲ Columbia Gas of Virginia, Inc. (a NiSource Company) ▲ Consolidated Edison Company of New York ▲ Consumers Energy ▲ Dominion Energy Transmission Inc. ▲ Dominion Energy Utah, Wyoming, and Idaho (Questar Gas ▲ Company) Dominion Energy West Virginia and Dominion Energy Ohio (Hope ▲ Gas, Inc. and The East Ohio Gas Company) DTE Energy ▲ ▲ ▲ Duke Energy ▲ Eversource ▲ Exelon Utilities ▲ Kern River Gas Transmission Company ▲ Knoxville Utilities Board ▲ Liberty Utilities ▲ 1 This list includes links to non-EPA websites that provide additional information about the Natural Gas STAR Methane Challenge Program partners. EPA cannot attest to the accuracy of information on the non-EPA pages. Providing links to a non-EPA website is not an endorsement of the other site or the information it contains by EPA or any of its employees. January 15, 2018 Page 1 of 3 Gathering and Transmission and Partner Boosting Storage Distribution MDU Resources Group, Inc. (Cascade Natural Gas ▲ Co., Intermountain Gas Co., Montana-Dakota Utilities Co., Great Plains Natural Gas Co.) Metropolitan Utilities District of Omaha ▲ MidAmerican Energy Company ▲ National Grid ▲ New Mexico Gas Company ▲ NiSource, Inc. ▲ Northern Indiana Public Service Company (a NiSource Company) ▲ Northern Natural Gas ▲ NW Natural ▲ ONE Gas, Inc ▲ Orange and Rockland Utilities, Inc. ▲ Pacific Gas & Electric Company ▲ ▲ Peoples Gas Light and Coke Company ▲ Peoples Natural Gas, LLC ▲ Piedmont Natural Gas Company, Inc. ▲ Public Service Electric and Gas Company (PSE&G) ▲ Puget Sound Energy ▲ ▲ San Diego Gas and Electric ▲ ▲ South Jersey Gas ▲ Southern California Gas Company ▲ ▲ Southwest Gas Corporation ▲ Spire ▲ Summit Utilities, Inc. ▲ TECO Peoples Gas ▲ TransCanada Pipelines, Ltd. ▲ UGI Utilities, Inc. ▲ Vectren ▲ Vermont Gas ▲ Washington Gas ▲ Xcel Energy ▲ January 15, 2018 Page 2 of 3 ONE Future Commitment Option Transmission and Partner Production Storage Distribution Kinder Morgan ▲ National Grid ▲ Southern Company Gas ▲ Southwestern Energy Company ▲ January 15, 2018 Page 3 of 3 .