Quanterix (QTRX) investor relations material

Executive summary

• The annual meeting will be held virtually on June 9, 2026, with voting on key proposals including director elections, executive compensation, auditor ratification, and an equity plan amendment.

• Only stockholders of record as of April 14, 2026, are eligible to vote, with multiple voting methods available.

• The Board recommends voting in favor of all proposals and nominees.

Voting matters and shareholder proposals

• Stockholders will vote to elect two directors for one-year terms, approve executive compensation (say-on-pay), ratify KPMG LLP as auditor, and approve the amended 2017 Equity Incentive Plan.

• Majority of votes cast is required for approval of each proposal; broker discretionary voting is only permitted for auditor ratification.

• Shareholder proposals and director nominations for the 2027 meeting must follow specific deadlines and procedures.

Board of directors and corporate governance

• The Board consists of nine members, with a transition to annual elections for all directors by 2028.

• Board committees include Audit, Compensation, and Nominating and Governance, each with defined responsibilities and independent membership.

• Board leadership includes a Chair and a Lead Independent Director, with annual self-evaluations and robust governance guidelines.

• Stock ownership guidelines apply to directors and executives to align interests with shareholders.