144 0001253903 XXXXXXXX LIVE 0001174850 NICOLET BANKSHARES INC 001-37700 111 N WASHINGTON ST GREEN BAY WI 54301 920 430 1400 ATWELL ROBERT BRUCE Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

8945 1010785.00 15211674 12/05/2024 NYSE Common 12/05/2024 Option Granted 05/16/2017 Issuer N 8945 12/05/2024 Cash N Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 10/18/2024 2908 300162.02 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 10/22/2024 2500 252520.44 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 10/28/2024 2721 280263.00 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 10/29/2024 200 20600.00 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 10/30/2024 14171 1459613.00 Stella Maris Foundation

111 North Washington Street Green Bay WI 54301

Common 11/05/2024 500 300120.72 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 11/07/2024 14 1540.00 Stella Maris Foundation

111 North Washington Street Green Bay WI 54301

Common 11/07/2024 500 54771.80 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 11/08/2024 9986 1098460.00 Robert Atwell

111 North Washington Street Green Bay WI 54301

Common 12/02/2024 3446 389398.00 The sales that occurred 11/05/2024 and 11/07/2024 in 3 month history are from the Stella Maris Foundation account, of which Robert Atwell is an account stakeholder. 12/05/2024 /s/ Jackson Harris, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Bruce Atwell