Antero Midstream Corporation announced that Nancy E. Chisholm has been appointed to its board of directors (the "Board") as a Class III director, effective as of December 5, 2022. Ms. Chisholm is an independent director under the director independence standards set forth in the rules and regulations of the Securities and Exchange Commission and the applicable listing standards of the New York Stock Exchange. Ms. Chisholm's appointment increases the size of the Board to nine directors, seven of whom are independent for service on the Board.

Nancy Chisholm is a global business leader with over 25 years of experience with Fortune 500 companies and extensive experience in operational leadership and human resources. Nancy spent 20 years with Tyco International, most recently as President of Tyco Retail Solutions. Nancy led this business enterprise across sales, marketing, product development, manufacturing and operations supporting North America, Europe, Middle East, Africa, Asia and Latin America.

Prior to this, Nancy served as Vice President of Human Resources for Tyco's ADT Security Solutions' global business unit. She executed several enterprise-wide initiatives focused on cultural transformation and alignment of rewards to drive best practices in employee engagement, talent management, succession planning, and executive compensation. Ms. Chisholm currently serves as a Board Director for History Colorado.  She also serves on the Global Leadership Council for Colorado State University.  She previously served on the Board of Trustees and as Interim President for Western Colorado University, where she is currently Chair for their capital campaign focused on strengthening academic excellence and competitiveness.

Nancy earned her bachelor's degree in Business Administration from Western Colorado University and completed Duke University's Fuqua School of Management's Executive Leadership Program.