ACM Research (ACMR) Proxy filing summary

Executive summary

• The 2026 Annual Meeting will be held virtually on June 10, 2026, allowing global shareholder participation and voting via webcast, phone, or mail.

• Shareholders of record as of April 13, 2026, are eligible to vote on the election of four directors and the ratification of the independent auditor.

• Proxy materials are distributed primarily via the Internet to reduce costs and environmental impact, with printed copies available upon request.

• The board encourages shareholder engagement, including Q&A during the meeting and ongoing feedback initiatives.

Voting matters and shareholder proposals

• Shareholders will vote on two proposals: (1) election of four directors and (2) ratification of Ernst & Young Hua Ming LLP as independent auditor for 2026.

• Each Class A share has one vote; each Class B share has twenty votes per proposal, totaling 161,059,224 votes.

• Shareholder proposals for the 2027 meeting must be submitted by December 31, 2026, for proxy inclusion.

Board of directors and corporate governance

• The board consists of four nominees, three of whom are independent and three self-identify as diverse by gender or race.

• Board committees include audit, compensation, and nominating/governance, each with independent members and defined charters.

• The board meets at least four times annually, with all directors attending at least 75% of meetings in 2025.

• The Chair of the Board and CEO roles are combined, with an independent Lead Director to ensure oversight.