Corporate Governance

The Firm expects the conduct of all MarketAxess personnel to be consistent with the highest ethical, business and legal standards. Integrity and ethical behavior are especially important in the financial services industry because of the trust placed in the Firm and the adverse consequences of betraying that trust. Even the appearance of impropriety can do irreparable damage to the Firm's reputation. MarketAxess personnel are reminded of their duty to comply with all requirements imposed on them by federal and state securities laws and regulations and the FINRA rules, as well as with the Firm's policies and procedures.

Title	Format
2021 ESG Report	2021 ESG Report
Corporate Governance Guidelines	Corporate Governance Guidelines
Code of Conduct	Code of Conduct
Code of Ethics for the Chief Executive Officer and Senior Financial Officers	Code of Ethics for the Chief Executive Officer and Senior Financial Officers
Whistleblower Policy	Whistleblower Policy
Audit Committee Charter	Audit Committee Charter
Compensation and Talent Committee Charter	Compensation and Talent Committee Charter
Nominating and Corporate Governance Committee Charter	Nominating and Corporate Governance Committee Charter
Finance Committee Charter	Finance Committee Charter
Risk Committee Charter	Risk Committee Charter

Whistleblower Escalation Procedures

You can contact MarketAxess Holdings, Inc.'s Board of Directors to provide comments, or to report concerns or issues, anonymously and confidentially through the Whistleblower Hotline, the Confidential Ethics Web Form, or by postal mail. You may also indicate whether you are a shareholder, customer, supplier, or other interested party.

Whistleblower Hotline: +1 (877) 214-6628 (Toll-free) or +1 (402) 999-0434
Confidential Ethics Web Form: www.openboard.info/MKTX/
Postal Mail:

Corporate Secretary
MarketAxess Holdings, Inc.
55 Hudson Yards, 15th Floor
New York, NY 10001
United States