Monolithic Power Systems (MPWR) Proxy filing summary

Executive summary

• The annual meeting will be held virtually on June 11, 2026, with shareholders able to vote and submit questions online.

• Shareholders of record as of April 15, 2026, are entitled to vote on director elections, auditor ratification, and executive compensation.

• Proxy materials are available online, and voting can be done via internet, phone, or mail.

Voting matters and shareholder proposals

• Shareholders will vote to elect two Class I directors for three-year terms, ratify Ernst & Young LLP as auditor for 2026, and approve executive compensation on an advisory basis.

• The board recommends voting in favor of all proposals.

• Shareholders can submit proposals and director nominations for the 2027 meeting, with specific deadlines and requirements outlined.

• Recent governance changes include board declassification and lowering the threshold to call a special meeting to 25%.

Board of directors and corporate governance

• The board consists of seven members, with a mix of long-tenured and recently appointed directors.

• Six directors are independent; the CEO also serves as chairman, with a lead independent director providing oversight.

• Annual board and committee evaluations are conducted, and director skills include executive leadership, finance, risk management, and technology.

• Directors are subject to stock ownership and time commitment policies.

• Director compensation for 2025 included cash retainers and RSU grants, with no changes from 2024.