X0306 4 2019-12-09 0001174850 NICOLET BANKSHARES INC NCBS 0001664500 Dykema John Nicholas C/O NICOLET NATIONAL BANK 111 NORTH WASHINGTON STREET GREEN BAY WI 54301 1 Common Stock 2019-12-09 5 G 0 E 1820 0 D 39718 D Common Stock 30304 I By the John & Lisa Dykema 2012 Trust Common Stock 7415 I By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors The shares are held in trust for the benefit of the reporting person's children. The trustee of the John & Lisa Dykema 2012 Trust is an attorney originally appointed by the reporting person. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. /s/ Ann K. Lawson, as attorney-in-fact for John N. Dykema 2019-12-11