U.S. Options

Rule Change Notice - FINRA Arbitration Rules 12600, 12800, 13600 and 13800

MIAX PEARL Single Side Protection (“SSP”) Risk Protection Feature

New Mass Cancellation Functionality and MEO High Priority Mass Cancel Ports

Aggregate Risk Manager (“ARM”) Change to Define ARM Eligible Order Types

Market for Underlying Security Used for Openings on MIAX PEARL for Newly Listed Option Classes Effective Monday, January 22, 2018

Market for Underlying Security used for Openings on MIAX PEARL for Symbol QGEN Effective Wednesday, January 10, 2018

Market for Underlying Security used for Openings on MIAX PEARL for Symbol XEL Effective Tuesday, January 2, 2018

Market for Underlying Security used for Openings on MIAX PEARL for Symbol SAVE Effective Thursday, December 28, 2017