CoStar Group (CSGP) AGM 2026 summary

Opening remarks and agenda

• Chair called the meeting to order at 10:00 A.M. and introduced board members and key executives present.

• Agenda and rules of conduct were posted on the virtual meeting website for fairness and order.

• Notice of the meeting and proxy materials were duly given to all stockholders of record as of April 27, 2026.

• Inspector of Elections was appointed and quorum confirmed, allowing the meeting to proceed.

Board and executive committee updates

• Eight directors were nominated for election to serve until the 2027 annual meeting or until successors are elected.

Shareholder proposals

• Four agenda items: election of eight directors, ratification of Ernst & Young LLP as auditor, advisory approval of executive compensation, and approval of the 2026 employee stock purchase plan.

• No additional proposals were presented.