	Matching System Order Types Direct Access Server Market Data 50 Most Active Issues Historical Volume Traded Issues Tape A Tape B Tape C DSP Issues Trading Updates System Status CHX Notices Participant Services Notifications Customer Service Notifications Technical Notifications CHXConnect CHXConnect Issues Listing Program CHX-listed Issues Gov. Listing Standards Min. Listing Standards Technical Documents Execution Quality Threshold Securities Participant Services Application For Trading Permit Information Participants Participant Firms Institutional Brokers Market Makers Account Symbols Contact Participant Services Rules CHX Rules CHX Fee Schedule Rule Filings Market Regulation Surveillance Enforcement Compliance & Examinations National Market System Plans Comment Letters Information Memos Disciplinary Orders Arbitration Decisions Weekly Bulletins Legal Notices Information Circulars General History FAQ Executives Holiday Schedule Press Release Archives Governance Board Structure Types of Directors Current Directors Committees Careers Opportunities I-Board Stockholder Information Charter Bylaws CHX Holdings Governance Executives Board Annual Reports

CHX Holdings Executives

David A. Herron	Chief Executive Officer
John K. Kerin	Executive Vice President and Chief Operating Officer
David Whitcomb	General Counsel
James Ongena	Secretary
Bruce E. Mathias	Vice President, Chief Financial Officer and Treasurer