Information Circular IC16-029 June 3, 2016

May 2016 Volume Recap CBOE Holdings Average daily volume (ADV) in May for options and futures on CBOE, C2 and CFE was 4.3M contracts, relatively unchanged from May 2015 and up 2% from April 2016. Total volume figures are below:

Total May May % Apr % Volume 2016 2015 Chg 2016 Chg HOLDINGS 89.4M 85.3M +5% 87.8M +2% CBOE 78.4M 75.3M +4% 77.1M +2% C2 6.2M 6.5M -4% 6.1M +3% CFE 4.8M 3.5M +38% 4.6M +5% Rep. with CBOE staff Congressional Delegation Visits CBOE CBOE May ADV at CBOE was 3.7M contracts, a decrease CBOE hosted members of the Illinois Congressional of 1% from May 2015 and up 2% from April 2016. Delegation on Wednesday, June 1, for a CBOE Political Action Committee Reception and Dinner with C2 PAC donors. ADV at C2 was 296,020 contracts, down 9% from May 2015 and up 3% from April 2016. Representatives in attendance included: CFE  Rep. (R-IL) 12th District ADV at CFE was 229,340 contracts, up 31% from  Rep. Danny Davis (D-IL) 7th District May 2015 and 5% from April 2016.  Rep. Bob Dold (R-IL) 10th District For a complete recap of this month’s trading activity,  Rep. Randy Hultgren (R-IL) 14th District see the press release.  Rep. Adam Kinzinger (R-IL) 16th District CBOE Receives “Exchange of the Year”  Rep. Darin LaHood (R-IL) 18th District from GlobalCapital  Rep. (D-IL) 3rd District CBOE was named “Exchange of the Year” last night at CBOE to Simulate Screen-Based Trading GlobalCapital’s Americas Derivatives Awards 2016 ceremony in New York City. Tomorrow, Saturday, June 4, certain Trading Permit Holders (TPHs) will be required to participate in a The event honors the companies, platforms, services screen-based trading test, which is designed to and products throughout the Americas that have made simulate a scenario where CBOE converts to all- an impact on the U.S. derivatives industry during the electronic screen-based trading in all products, both year. This award was the fifth industry honor CBOE proprietary and multi-listed. For details, see CBOE and its executives have received in 2016. Regulatory Circular RG16-106. PAR Enhancements We encourage your input on these and other CBOE is introducing an enhancement to the PAR Exchange matters. Please feel free to contact workstation to assist PAR operators in tracking certain us directly with your concerns. information when using the special trading procedures Ed Tilly: Ed Provost: for SPX Combo Orders under Rule 24.20. For an [email protected] [email protected] overview, see CBOE Regulatory Circular RG16-105.