Affiliated Managers Group (AMG) Proxy filing summary

Executive summary

• Annual meeting scheduled for May 27, 2026, with key proposals including director elections, advisory vote on executive compensation, and auditor ratification.

• 2025 saw 22% growth in Economic earnings per share, record net inflows into alternative strategies, and significant capital returned to shareholders.

• Four new partnerships were established in 2025, with additional investments and partnerships closed after year-end.

• Share repurchases reduced shares outstanding by 9% in 2025 and 42% since 2019.

Voting matters and shareholder proposals

• Shareholders will vote on electing seven directors, approving executive compensation (say-on-pay), and ratifying PwC as the independent auditor.

• Board recommends voting FOR all proposals.

• Only auditor ratification is considered a routine matter for broker voting.

Board of directors and corporate governance

• Board comprises seven directors, six of whom are independent; significant refreshment with five new independent directors since 2021.

• Board committees (Audit, Compensation, Nominating/Governance) are composed entirely of independent directors.

• Non-executive, independent Board Chair structure adopted; new committee chairs appointed in 2025.

• Annual board and committee self-assessments, director evaluations, and succession planning are emphasized.

• Equity ownership guidelines require substantial shareholding by executives and directors.