Transaction Details

Footnotes

Reflects the cancellation for no consideration of Class B Shares in connection with Hess Midstream Operations LP's repurchase of 3,112,886 Opco Class B Units from GIP II Blue Holding, L.P. ("Blue Holding") and a subsequent cancellation of such Opco Class B Units. | 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 HINDL and 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. | The Opco Class B Units may be converted at any time into Class A Shares on a one-to-one basis and have no expiration date. | 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.