U.S. Options

Postponement of MIAX Options Single Side Protection Risk Protection Feature

Postponement of MIAX Options Derived Order Handling Functionality

Minimum Quote Size Requirements for Certain Options Effective Thursday, February 1, 2018

Adoption of Chapter XVIII, Index Options and Amendment of Certain Existing Rules Relating to Position and Exercise Limits for Cash-Settled Index Options

Amendment to MIAX Order Feed (“MOR”) to Reflect the Addition of a New Feature

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

MIAX Options Derived Order Handling Functionality

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