U.S. Options

Market for Underlying Security Used for Openings on MIAX Options, MIAX Pearl Options, MIAX Emerald Options, and MIAX Sapphire Options for Newly Listed Symbols Effective Wednesday, April 22, 2026

FT Vest U.S. Equity Buffer & Digital Return ETF - April- DGAP

Calamos Tax-Aware Collateral ETF-CBOX

Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol KORU Effective Friday, April 17, 2026

Change to the Maximum Differential for the MIAX Pearl Order Monitor and MIAX Sapphire Order Monitor for Symbol KORU Effective Friday, April 17, 2026

Vanguard World Fund– VDG and VDV

Calamos Autocallable Growth ETF–CAGE

Change to Opening and Intra-day Quote Width Requirements for Symbol KORU Effective Friday, April 17, 2026