Transaction Details

Footnotes

Reflects (i) the cancellation for no consideration of 2,038,956 Class B Shares in connection with Hess Midstream Operations LP's repurchase of 2,038,956 Opco Class B Units from Hess Investments North Dakota LLC ("HINDL") and the subsequent cancellation of such Opco Class B Units, and (ii) the transfer of 1,073,930 Class B Shares from Hess Midstream GP LP to HINDL for no consideration. | Reflects holdings following a transaction exempt from reporting purusuant to Rule 16a-13. | 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 disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein. | Represents securities held by HINDL. HINDL is an indirect, wholly owned subsidiary of Hess Corporation, a publicly traded company listed on the New York Stock Exchange. As a result, Hess Corporation may be deemed to beneficially own the securities held of record by HINDL and Hess Midstream GP LP. Hess Corporation disclaims beneficial ownership of such securities except to the extent of its 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.