X0609 4 2026-03-20 0 0000712771 ConnectOne Bancorp, Inc. CNOB 0001568273 Sorrentino Frank III false CONNECTONE BANCORP, INC. 301 SYLVAN AVENUE ENGLEWOOD CLIFFS NJ 07632 1 1 0 0 Chairman & CEO 0 Common Stock 2026-03-20 4 F 0 9882 25.95 D 590214 D Common Stock 2026-03-20 4 F 0 6275 25.95 D 583939 D Common Stock 2026-03-23 4 F 0 5752 26.72 D 578187 D Common Stock 416 I IRA for spouse Common Stock 263773 I See Footnote 4 Reflects shares withheld for taxes upon the vesting of deferred stock units on March 20, 2026 pursuant to a grant dated March 20, 2023. Reflects shares withheld for taxes upon the vesting of deferred stock units on March 20, 2026 pursuant to a grant dated March 20, 2025. Reflects shares withheld for taxes upon the vesting of deferred stock units on March 23, 2026 (the first business day following the Sunday, March 22, 2026 vesting date) pursuant to a grant dated March 22, 2024. Held in a trust for the benefit of the spouse of the Reporting Person, and of which the spouse of the Reporting Person is a trustee. /s/ Laura Criscione, POA 2026-03-24