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<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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<P STYLE="margin-top: 0; text-align: center; margin-bottom: 0"><B>AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 21, 2016</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0"><B>REGISTRATION
NO. 333-_______</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5in; text-align: center; text-indent: 0.5in"><B></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Washington, D.C. 20549</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>FORM S-8 </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">REGISTRATION STATEMENT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">UNDER</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">THE SECURITIES ACT OF 1933</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>NICOLET BANKSHARES, INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Exact name of registrant as specified in
its charter)</P>

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    <TD NOWRAP STYLE="width: 50%; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>WISCONSIN</B></FONT></TD>
    <TD NOWRAP STYLE="width: 50%; font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>47-0871001</B></FONT></TD></TR>
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    <TD NOWRAP STYLE="font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><I>(State or other jurisdiction of incorporation or organization)</I></FONT></TD>
    <TD NOWRAP STYLE="font-size: 10pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><I>(IRS Employer Identification No.)</I></FONT></TD></TR>
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    <TD NOWRAP STYLE="width: 50%; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>111&nbsp;North Washington Street, Green Bay, Wisconsin</B></FONT></TD>
    <TD NOWRAP STYLE="width: 50%; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>54301</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">(Address of Principal Executive Offices)</FONT></TD>
    <TD NOWRAP STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">(Zip Code)</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Nicolet Bankshares, Inc. </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>2011 Long Term Incentive Plan</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Full title of plan)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="width: 50%; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Ann K. Lawson</B></FONT></TD>
    <TD STYLE="width: 50%; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>with copy to:</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Chief Financial Officer</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Robert D. Klingler, Esq.</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Nicolet Bankshares, Inc.</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Bryan Cave LLP</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>111&nbsp;North Washington Street</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>One Atlantic Center, Fourteenth Floor</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Green Bay, Wisconsin&nbsp;&nbsp;54301</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>1201 West Peachtree Street, NW</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>(920) 430-1400</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Atlanta, Georgia 30309-3488</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; text-align: center">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>(404) 572-6600</B></FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name and address of agent for service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Telephone number, including area code,
of agent of service)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<!-- Field: Rule-Page --><DIV ALIGN="CENTER" STYLE="margin-top: 0; margin-bottom: 0"><DIV STYLE="font-size: 1pt; border-top: Black 2px solid; width: 15%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 18.35pt">Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions
of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer&rdquo; and &ldquo;smaller reporting company&rdquo; in Rule 12b-2
of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 18.35pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 18.35pt">Large accelerated filer&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accelerated
filer&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">x</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Non-accelerated
filer&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Smaller
reporting company&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CALCULATION OF REGISTRATION FEE</B></P>

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<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="width: 39%; border-top: Black 4px double; border-bottom: Black 2px solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Title of Each Class</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>of Securities to Be Registered</B></P></TD>
    <TD NOWRAP STYLE="width: 16%; border-top: Black 4px double; border-bottom: Black 2px solid; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Amount to Be</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Registered<SUP>(1)</SUP></B></FONT></TD>
    <TD NOWRAP STYLE="width: 15%; border-top: Black 4px double; border-bottom: Black 2px solid; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Proposed</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Maximum</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Offering Price</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Per Share</B><SUP>(2)</SUP></FONT></TD>
    <TD NOWRAP STYLE="width: 17%; border-top: Black 4px double; border-bottom: Black 2px solid; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Proposed</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Maximum</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Aggregate</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Offering Price</B><SUP>(2)(3)</SUP></FONT></TD>
    <TD NOWRAP STYLE="width: 13%; border-top: Black 4px double; border-bottom: Black 2px solid; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt"><B>Amount of</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Registration</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Fee</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 4px double; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">Common Stock</FONT></TD>
    <TD STYLE="border-bottom: Black 4px double; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">1,000,000 shares </FONT></TD>
    <TD STYLE="border-bottom: Black 4px double; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">$37.09 </FONT></TD>
    <TD STYLE="border-bottom: Black 4px double; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">$37,090,000 </FONT></TD>
    <TD STYLE="border-bottom: Black 4px double; padding-right: 5.4pt; padding-left: 5.4pt; layout-grid-mode: line; text-align: center"><FONT STYLE="font-size: 10pt">$3,734.97</FONT></TD></TR>
</TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">(1)</TD><TD STYLE="text-align: justify">Pursuant to Rule 416(b) under the Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;),
this Registration Statement includes an indeterminate number of additional shares that may be issued to adjust the number of shares
issued pursuant to the employee benefit plan described herein as the result of any future stock split, stock dividend or similar
adjustment of the Registrant&rsquo;s outstanding common stock.</TD></TR></TABLE>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">(2)</TD><TD STYLE="text-align: justify">Pursuant to Rule 457(c) under the Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;),
the proposed maximum offering price is based upon the average of high ($37.41) and low ($36.77) prices reported in the consolidated
reporting system on September 16, 2016.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0; padding-bottom: 2.5pt"></TD><TD STYLE="width: 0.25in; border-bottom: Black 4px double">(3)</TD><TD STYLE="text-align: justify; border-bottom: Black 4px double">The aggregate offering price is calculated solely for the purpose of determining the registration
fee pursuant to Rule 457(h)(1) under the Securities Act of 1933.</TD></TR></TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 18.35pt">&nbsp;</P>




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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: center; text-indent: -0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>EXPLANATORY
NOTE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: center; text-indent: -0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Pursuant to General Instruction E of Form S-8 under the Securities
Act of 1933, as amended (the &ldquo;Securities Act&rdquo;), Nicolet Bankshares, Inc. (&ldquo;Nicolet&rdquo;) is filing this registration
statement to register additional shares of its common stock, par value $0.01 per share (&ldquo;Common Stock&rdquo;) pursuant to
the Nicolet Bankshares, Inc. 2011 Long-Term Incentive Plan (the &ldquo;Plan&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Nicolet initially registered 490,000 shares of its Common Stock
issuable under the Plan pursuant to a Registration Statement on Form S-8 filed May 24, 2013 (File No. 333-188856) (the &ldquo;Initial
S-8&rdquo;). On April 29, 2016, the Board of Directors of the Company approved, subject to shareholder approval, an amendment to
the Plan that increased the number of shares available for issuance under the Plan by 1,000,000 shares (the &ldquo;Amendment&rdquo;).
The shareholders of the Company approved the Amendment on August 10, 2016.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The contents of the Initial S-8 relating to the Plan are incorporated
by reference into this registration statement, except that the provisions in Part II of such earlier registration statement are
modified as set forth in this registration statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PART II</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION REQUIRED IN THE REGISTRATION
STATEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 8.&nbsp; Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The following exhibits are filed with or incorporated by reference
into this Registration Statement pursuant to Item&nbsp;601 of Regulation S-K:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD NOWRAP STYLE="width: 12%; layout-grid-mode: line; text-decoration: none; text-align: center; border-bottom: Black 2px solid"><FONT STYLE="font-size: 10pt"><B>Exhibit
    No.</B></FONT></TD>
    <TD NOWRAP STYLE="width: 3%; layout-grid-mode: line; text-decoration: none; padding-bottom: 1pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD NOWRAP STYLE="width: 40%; layout-grid-mode: line; text-decoration: none; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 5%; layout-grid-mode: line; text-decoration: none; text-align: center; border-bottom: Black 2px solid"><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD>
    <TD NOWRAP STYLE="width: 40%; layout-grid-mode: line; text-decoration: none; text-align: center; padding-bottom: 1pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">5.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Opinion of Godfrey &amp; Kahn, S.C. with respect to the securities being registered, including consent.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">23.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Consent of counsel (included in Exhibit 5.1).</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">23.2</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Consent of Porter Keadle Moore, LLC.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">24.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Power of Attorney (see signature pages to this Registration Statement).</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Nicolet Bankshares, Inc. 2011 Long Term Incentive Plan, as amended and restated effective April 29, 2016 (Incorporated by reference to Appendix A of Nicolet&rsquo;s Proxy Statement filed June 30, 2016).</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Pursuant to the requirements of the Securities Act of 1933,
the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8
and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized in the
City of Green Bay, State of Wisconsin, on September 21, 2016.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt"><B>NICOLET BANKSHARES, INC.</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 60%; layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="width: 4%; layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="width: 36%; layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line; padding-bottom: 1pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="layout-grid-mode: line; text-decoration: underline; border-bottom: Black 2px solid"><FONT STYLE="font-size: 10pt"><U STYLE="text-decoration: none">/s/ Robert B. Atwell</U></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Robert B. Atwell</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Chairman, President and</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Chief Executive Officer</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">(Principal Executive Officer)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>POWER OF ATTORNEY </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Each person whose signature appears below appoints and constitutes
Robert B. Atwell, Michael&nbsp;E. Daniels and each of them, as his or her true and lawful attorney-in-fact and agent, with full
power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to
execute any and all amendments (including post-effective amendments) to this registration statement (as well as any registration
statement for the same offering covered by this registration statement that is to be effective upon filing pursuant to Rule&nbsp;462(b)&nbsp;under
the Securities Act), and to file the same, with all exhibits thereto and all other documents in connection therewith, with the
Securities and Exchange Commission and such other agencies, offices and persons as may be required by applicable law, granting
unto said attorney-in-fact and agent, acting alone, full power and authority to do and perform each and every act and thing requisite
or necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person,
hereby ratifying and confirming all that said attorney-in-fact and agent, acting alone may lawfully do or cause to be done by virtue
hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Pursuant to the requirements of the Securities Act of 1933,
this registration statement has been signed by the following persons in the capacities indicated on September 21, 2016.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 90%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Robert B. Atwell</FONT></TD>
    <TD STYLE="width: 10%; layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="width: 40%; border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/</FONT> <FONT STYLE="font-size: 10pt">Louis J. Jeanquart</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Robert B. Atwell</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Louis J. Jeanquart</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Chairman, President and Chief Executive Officer</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">(Principal Executive Officer)</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Ann K. Lawson</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Donald J. Long, Jr.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Ann K. Lawson</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Donald J. Long, Jr.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Chief Financial Officer</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">(Principal Financial and Accounting Officer)</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Michael E. Daniels</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Michael E. Daniels</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Susan L. Merkatoris </FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Executive Vice President and Secretary, Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Robert W. Agnew</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ William D. Murphy</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Robert W. Agnew</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">William D. Murphy</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Randy J. Rose</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">John N. Dykema</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Randy J. Rose</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Terrence R. Fulwiler</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Elyse Mollner Stackhouse</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Terrence R. Fulwiler</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Elyse Mollner Stackhouse</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Christopher Ghidorzi</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Robert J. Weyers</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Christopher Ghidorzi</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Robert J. Weyers</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 2px solid; layout-grid-mode: line"><FONT STYLE="font-size: 10pt">/s/ Thomas L. Herlache</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Thomas L. Herlache</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Director</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 96%; border-collapse: collapse; margin-left: 0.2in">
<TR STYLE="vertical-align: top; text-decoration: none">
    <TD NOWRAP STYLE="width: 12%; layout-grid-mode: line; text-decoration: none; text-align: center; border-bottom: Black 2px solid"><FONT STYLE="font-size: 10pt"><B>Exhibit
    No.</B></FONT></TD>
    <TD NOWRAP STYLE="width: 3%; layout-grid-mode: line; text-decoration: none; padding-bottom: 1pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD NOWRAP STYLE="width: 40%; layout-grid-mode: line; text-decoration: none; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 5%; layout-grid-mode: line; text-decoration: none; text-align: center; border-bottom: Black 2px solid"><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD>
    <TD NOWRAP STYLE="width: 40%; layout-grid-mode: line; text-decoration: none; text-align: center; padding-bottom: 1pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">5.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Opinion of Godfrey &amp; Kahn, S.C. with respect to the securities being registered, including consent.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">23.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Consent of counsel (included in Exhibit 5.1).</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">23.2</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Consent of Porter Keadle Moore, LLC.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">24.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Power of Attorney (see signature pages to this Registration Statement).</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in">&nbsp;</TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="layout-grid-mode: line; padding-left: 0.3in"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
    <TD STYLE="layout-grid-mode: line">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="layout-grid-mode: line"><FONT STYLE="font-size: 10pt">Nicolet Bankshares, Inc. 2011 Long Term Incentive Plan, as amended and restated effective April 29, 2016 (Incorporated by reference to Appendix A of Nicolet&rsquo;s Proxy Statement filed June 30, 2016).</FONT></TD></TR>
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[{"type": "S-8", "sequence": "1", "filename": "t1600597_s8.htm", "description": "FORM S-8", "secsgml_size_bytes": 45850}]
{"company-data": {"conformed-name": "NICOLET BANKSHARES INC", "cik": "0001174850", "assigned-sic": "6021", "irs-number": "000000000", "state-of-incorporation": "WI", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-213734", "film-number": "161896161"}, "business-address": {"street1": "111 N WASHINGTON ST", "city": "GREEN BAY", "state": "WI", "zip": "54301", "phone": "920 430 1400"}, "mail-address": {"street1": "111 N WASHINGTON ST", "city": "GREEN BAY", "state": "WI", "zip": "54301"}}
AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 21, 2016
REGISTRATION
NO. 333-_______
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
NICOLET BANKSHARES, INC.
(Exact name of registrant as specified in
its charter)
WISCONSIN
47-0871001
(State or other jurisdiction of incorporation or organization)
(IRS Employer Identification No.)
111 North Washington Street, Green Bay, Wisconsin
54301
(Address of Principal Executive Offices)
(Zip Code)
Nicolet Bankshares, Inc.
2011 Long Term Incentive Plan
(Full title of plan)
Ann K. Lawson
with copy to:
Chief Financial Officer
Robert D. Klingler, Esq.
Nicolet Bankshares, Inc.
Bryan Cave LLP
111 North Washington Street
One Atlantic Center, Fourteenth Floor
Green Bay, Wisconsin  54301
1201 West Peachtree Street, NW
(920) 430-1400
Atlanta, Georgia 30309-3488
(404) 572-6600
(Name and address of agent for service)
(Telephone number, including area code,
of agent of service)
Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions
of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2
of the Exchange Act.
Large accelerated filer
¨
Accelerated
filer
x
Non-accelerated
filer
¨
Smaller
reporting company
¨
CALCULATION OF REGISTRATION FEE
Title of Each Class
of Securities to Be Registered
Amount to Be
Registered
(1)
Proposed
Maximum
Offering Price
Per Share
(2)
Proposed
Maximum
Aggregate
Offering Price
(2)(3)
Amount of
Registration
Fee
Common Stock
1,000,000 shares
$37.09
$37,090,000
$3,734.97
(1)
Pursuant to Rule 416(b) under the Securities Act of 1933, as amended (the "Securities Act"),
this Registration Statement includes an indeterminate number of additional shares that may be issued to adjust the number of shares
issued pursuant to the employee benefit plan described herein as the result of any future stock split, stock dividend or similar
adjustment of the Registrant's outstanding common stock.
(2)
Pursuant to Rule 457(c) under the Securities Act of 1933, as amended (the "Securities Act"),
the proposed maximum offering price is based upon the average of high ($37.41) and low ($36.77) prices reported in the consolidated
reporting system on September 16, 2016.
(3)
The aggregate offering price is calculated solely for the purpose of determining the registration
fee pursuant to Rule 457(h)(1) under the Securities Act of 1933.
EXPLANATORY
NOTE
Pursuant to General Instruction E of Form S-8 under the Securities
Act of 1933, as amended (the "Securities Act"), Nicolet Bankshares, Inc. ("Nicolet") is filing this registration
statement to register additional shares of its common stock, par value $0.01 per share ("Common Stock") pursuant to
the Nicolet Bankshares, Inc. 2011 Long-Term Incentive Plan (the "Plan").
Nicolet initially registered 490,000 shares of its Common Stock
issuable under the Plan pursuant to a Registration Statement on Form S-8 filed May 24, 2013 (File No. 333-188856) (the "Initial
S-8"). On April 29, 2016, the Board of Directors of the Company approved, subject to shareholder approval, an amendment to
the Plan that increased the number of shares available for issuance under the Plan by 1,000,000 shares (the "Amendment").
The shareholders of the Company approved the Amendment on August 10, 2016.
The contents of the Initial S-8 relating to the Plan are incorporated
by reference into this registration statement, except that the provisions in Part II of such earlier registration statement are
modified as set forth in this registration statement.
PART II
INFORMATION REQUIRED IN THE REGISTRATION
STATEMENT
Item 8.  Exhibits.
The following exhibits are filed with or incorporated by reference
into this Registration Statement pursuant to Item 601 of Regulation S-K:
Exhibit
    No.
Description
5.1
Opinion of Godfrey & Kahn, S.C. with respect to the securities being registered, including consent.
23.1
Consent of counsel (included in Exhibit 5.1).
23.2
Consent of Porter Keadle Moore, LLC.
24.1
Power of Attorney (see signature pages to this Registration Statement).
99.1
Nicolet Bankshares, Inc. 2011 Long Term Incentive Plan, as amended and restated effective April 29, 2016 (Incorporated by reference to Appendix A of Nicolet's Proxy Statement filed June 30, 2016).
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933,
the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8
and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized in the
City of Green Bay, State of Wisconsin, on September 21, 2016.
NICOLET BANKSHARES, INC.
By:
/s/ Robert B. Atwell
Robert B. Atwell
Chairman, President and
Chief Executive Officer
(Principal Executive Officer)
POWER OF ATTORNEY
Each person whose signature appears below appoints and constitutes
Robert B. Atwell, Michael E. Daniels and each of them, as his or her true and lawful attorney-in-fact and agent, with full
power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to
execute any and all amendments (including post-effective amendments) to this registration statement (as well as any registration
statement for the same offering covered by this registration statement that is to be effective upon filing pursuant to Rule 462(b) under
the Securities Act), and to file the same, with all exhibits thereto and all other documents in connection therewith, with the
Securities and Exchange Commission and such other agencies, offices and persons as may be required by applicable law, granting
unto said attorney-in-fact and agent, acting alone, full power and authority to do and perform each and every act and thing requisite
or necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person,
hereby ratifying and confirming all that said attorney-in-fact and agent, acting alone may lawfully do or cause to be done by virtue
hereof.
Pursuant to the requirements of the Securities Act of 1933,
this registration statement has been signed by the following persons in the capacities indicated on September 21, 2016.
/s/ Robert B. Atwell
/s/
Louis J. Jeanquart
Robert B. Atwell
Louis J. Jeanquart
Chairman, President and Chief Executive Officer
Director
(Principal Executive Officer)
/s/ Ann K. Lawson
/s/ Donald J. Long, Jr.
Ann K. Lawson
Donald J. Long, Jr.
Chief Financial Officer
Director
(Principal Financial and Accounting Officer)
/s/ Michael E. Daniels
Michael E. Daniels
Susan L. Merkatoris
Executive Vice President and Secretary, Director
Director
/s/ Robert W. Agnew
/s/ William D. Murphy
Robert W. Agnew
William D. Murphy
Director
Director
/s/ Randy J. Rose
John N. Dykema
Randy J. Rose
Director
Director
/s/ Terrence R. Fulwiler
/s/ Elyse Mollner Stackhouse
Terrence R. Fulwiler
Elyse Mollner Stackhouse
Director
Director
/s/ Christopher Ghidorzi
/s/ Robert J. Weyers
Christopher Ghidorzi
Robert J. Weyers
Director
Director
/s/ Thomas L. Herlache
Thomas L. Herlache
Director
EXHIBIT INDEX
Exhibit
    No.
Description
5.1
Opinion of Godfrey & Kahn, S.C. with respect to the securities being registered, including consent.
23.1
Consent of counsel (included in Exhibit 5.1).
23.2
Consent of Porter Keadle Moore, LLC.
24.1
Power of Attorney (see signature pages to this Registration Statement).
99.1
Nicolet Bankshares, Inc. 2011 Long Term Incentive Plan, as amended and restated effective April 29, 2016 (Incorporated by reference to Appendix A of Nicolet's Proxy Statement filed June 30, 2016).