Investor Presentation

$1,225 million Acquisition of Northeast Transport & Storage Assets Enhancing our service to Northeast customers with complementary assets connected to TGP KMI acquired Stagecoach Gas Services ~10x 2020 EBITDA before synergies Immediately accretive, primarily paid with cash on hand Transaction closed in 3Q 2021(a) Remaining Twin Tier pipeline closed in 4Q 2021 FERC-regulated natural gas transport & storage in NY & PA ~41 bcf of FERC-certificated capacity across 4 storage facilities ~3 bcfd of aggregate capacity across 185 miles of transportation pipelines Multiple interconnects to major interstate natural gas pipelines including TGP, Transco, Millennium, Dominion Stable, fee-based infrastructure FERC-regulated assets Highly contracted with ~80% take-or-pay (b) Average contract tenor ~3 years Dominion Dominion Market based rates for storage facilities Anchored by major Northeast utilities and Marcellus producers Dominion Dominion Steuben TGP Dominion Dominion TGP Thomas Corners Transco New York Seneca Lake TGP Pennsylvania Dominion Millennium Marc I KINDER MORGAN Twin Tier North/ South Stagecoach- Transco Responsive storage is Helps backstop growing increasingly important: renewable power generation Helps meet critical needs in extreme weather a) Vast majority of assets closed in 3Q 2021. The remaining Twin Tier pipeline ($30 million) closed in 4Q 2021. b) Based on FY 2021 forecast. 14

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