Chicago Mercantile Exchange Holdings Inc. Non-Audit Services Policy It is of fundamental importance that the shareholders of Chicago Mercantile Exchange Holdings Inc. (CME) possess confidence in the independence and objectivity of the outside auditors (“auditor”) chosen to audit CME financial statements. Accordingly, CME has adopted a non-audit services policy that prevents management from engaging the auditor in any assignment where the fee will exceed the lesser of $10,000 or 3% of the annual audit fee. The Chairperson of the Audit Committee will not approve a proposed non-audit engagement by an auditor if, when considered with all other non-audit activity by that auditor for CME, it would appear to a reasonable investor knowing all relevant facts and circumstances that the auditor, by rendering the non-audit service, becomes incapable of exercising objective and impartial judgment on all issues encompassed within the audit engagement. The standard for non-audit services employs two overarching principles: 1. Auditors should not provide non-audit services that involve performing management functions or making management decisions; and 2. Auditors should not audit their own work or provide nonaudit services in situations where the non-audit services are significant/material to the subject matter of the audits. Thresholds have been developed where the Audit Committee will pre-approve non-audit services by an auditor as follows: • $10 ...