Transaction Details

Footnotes

Reflects the cancellation for no consideration of Class B Shares in connection with the conversion of the Opco Class B Units into Class A Shares. | Represents securities held by Hess Midstream GP LP. Hess Infrastructure Partners GP LLC is the sole member of Hess Midstream GP LLC, which is the general partner of Hess Midstream GP LP. Hess Infrastructure Partners GP LLC is a 50/50 joint venture between Hess Investments North Dakota LLC ("HINDL") and GIP II Blue Holding, L.P. ("Blue Holding"). As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Hess Midstream GP LP. Each such entity and BlackRock Portfolio Management LLC disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein. | Represents securities held by Blue Holding. Global Infrastructure Investors II, LLC is the sole general partner of Global Infrastructure GP II, L.P., which is the sole member of GIP Blue Holding GP, LLC, which is the general partner of Blue Holding. As such, each of the foregoing entities may be deemed to beneficially own the securities held of record by Blue Holding. Each such entity and BlackRock Portfolio Management LLC disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. | Includes a transfer of 449,000 Class A Shares from Hess Midstream GP LP to Blue Holding in a transaction exempt from reporting pursuant to Rule 16a-13.