X0708 D LIVE 0002152190 ECP Next Wave Continuation Fund B, LP 40 BEECHWOOD ROAD SUMMIT NJ NEW JERSEY 07901 (973) 671-6100 DELAWARE None None Limited Partnership true 2026 Douglas W. Kimmelman 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Murray Karp 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Peter Labbat 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Tyler Reeder 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Andrew Gilbert 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Emily Zovko 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Jennifer Gray 40 Beechwood Road Summit NJ NEW JERSEY 07901 Executive Officer Promoter Benjamin Condon 40 Beechwood Road Summit NJ NEW JERSEY 07901 Promoter Matthew Delaney 40 Beechwood Road Summit NJ NEW JERSEY 07901 Promoter Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.7 false true false true true false 0 Moelis & Company LLC 145115 None None 399 Park Avenue, 4th Floor New York NY NEW YORK 10022 All States false Indefinite 0 Indefinite false 0 0 0 Moelis & Company LLC will be paid a fee but not from the Issuer. 0 false ECP Next Wave Continuation Fund B, LP /s/ Jennifer Gray Jennifer Gray Partner, General Counsel and CCO of GP of GP of Issuer 2026-09-16