Octave Specialty Group (OSG) AGM 2026 summary

Opening remarks and agenda

• Meeting held virtually to maximize shareholder participation, with all board members in attendance and nominated for re-election.

• Agenda included formal business, four shareholder proposals, a business update, and a Q&A session.

• Meeting conducted according to published agenda and rules of conduct, with polls opened for voting.

Shareholder proposals

• Four proposals presented: election of seven directors, advisory vote on executive compensation, ratification of Ernst & Young as auditor for 2026, and approval of the 2026 Incentive Compensation Plan.

• Board recommended approval of all proposals; no other nominations or proposals were considered.

Overview of voting outcomes

• Quorum established with majority of shares present or represented by proxy.

• Voting results to be reported in a Form 8-K filing within four business days.