MarketAxess (MKTX) investor relations material

Executive summary

• Notification and report forms for a proposed merger with Intercontinental Exchange, Inc. were filed with the DOJ and FTC, with the HSR Act waiting period now set to expire on October 29, 2026.

• The merger is expected to close in the first half of 2027, pending regulatory and shareholder approvals and satisfaction of closing conditions.

• A special meeting of stockholders is scheduled for October 29, 2026, to vote on the merger agreement.

• Forward-looking statements highlight potential risks, including transaction costs, regulatory hurdles, and integration challenges.

Voting matters and shareholder proposals

• Stockholders will vote on the adoption of the merger agreement at the special meeting on October 29, 2026.

• Approval by a majority of outstanding shares is required for the merger to proceed.

Board of directors and corporate governance

• Directors and certain executive officers are identified as participants in the proxy solicitation for the merger.

• Information on directors’ and officers’ interests and security holdings is disclosed in the proxy statement.