Any stockholder or other interested party who has a concern, inquiry or complaint, or would otherwise like to communicate, regarding the conduct of the Company may communicate directly with either the Company's independent Directors or the Board. The chair of the Nominating and Governance Committee will receive all communications on behalf of the independent Directors and the Board. Any communications should be submitted in writing to the chair of the Nominating and Governance Committee in care of the secretary of the Company at the address set forth below, or should be submitted via e-mail as noted below:
Cboe Global Markets, Inc.
433 West Van Buren Street
Chicago, IL 60607
Attention: Corporate Secretary
Email: corporatesecretary@cboe.com.