144 0001212853 XXXXXXXX LIVE 0001156375 CME GROUP INC. 001-31553 20 S. WACKER DR. CHICAGO IL 60606 3129301000 SIEGEL HOWARD J Director Common Stock Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

20000 5113400.00 360354174 03/12/2025 nasdaq Common Stock 06/29/2016 Stock Grant CME N 342 06/29/2016 Stock Grant Common Stock 06/25/2015 Stock Grant CME N 1064 06/25/2015 Stock Grant Common Stock 08/25/2014 Stock Grant CME N 793 08/25/2014 Stock Grant Common Stock 06/25/2014 Stock Grant CME N 1415 06/25/2014 Stock Grant Common Stock 06/25/2013 Stock Grant CME N 982 06/25/2013 Stock Grant Common Stock 06/25/2012 Stock grant CME N 1870 06/25/2012 Stock Grant Common Stock 06/27/2011 Stock grant CME N 1335 06/27/2011 Stock Grant Common Stock 05/25/2010 Stock grant CME N 1205 05/25/2010 Stock Grant Common Stock 05/26/2009 Stock grant CME N 1645 05/26/2009 Stock Grant Common Stock 05/27/2008 Stock grant CME N 1105 05/27/2008 Stock Grant Common Stock 05/27/2007 Stock grant CME N 975 05/27/2007 Stock Grant Common Stock 08/25/2006 Stock grant CME N 325 08/25/2006 Stock Grant Common Stock 05/25/2006 Stock grant CME N 705 05/26/2006 Stock Grant Common Stock 05/05/2006 Stock grant CME N 915 05/05/2006 Stock Grant Common Stock 06/29/2001 Initial Shares CME N 5324 06/29/2001 Stock Grant Y shares are being sold from HOWARD J SIEGEL REVOCABLE TRU U/A 6/12/12 FBO HOWARD J SIEGEL 03/12/2025 /s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Howard SIEGEL