Proxy Results (Form 8-K)

On June 3, 2026, at the annual meeting of stockholders (the "Annual Meeting") of Antero Midstream Corporation (the "Company"), the Company's stockholders were requested to (i) elect three Class I members of the Board to serve until the Company's 2029 annual meeting of stockholders; (ii) ratify the appointment of KPMG LLP as the Company's independent registered public accounting firm for the year ending December 31, 2026; (iii) approve, on an advisory basis, the compensation of the Company's named executive officers; and (iv) approve, on an advisory basis, the frequency of future advisory votes on the compensation of the Company's named executive officers. Each of these items is more fully described in the Company's definitive proxy statement, which was filed with the Securities and Exchange Commission on April 23, 2026.

The results of the matters voted upon at the Annual Meeting are as follows:

Proposal No. 1 - Election of Class I Directors: Votes regarding the persons elected as Class III directors were as follows:

Proposal No. 2 - Ratification of the Appointment of KPMG LLP: The voting results were as follows:

Proposal No. 3 - Approval, on an Advisory Basis, of the Compensation of the Company's Named Executive Officers: The voting results were as follows:

Proposal No. 4 - Approval, on an Advisory Basis, of the Frequency of Future Advisory Votes on the Compensation of the Company's Named Executive Officers: The voting results were as follows:

The Company has determined that it will hold an advisory vote on executive compensation on an annual basis until the next stockholder advisory vote on this matter.