-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 K/m6wn4RMb2e05Qg+MJsWu4J1Fz1fiLv7LVUh4+V8uAjy2Br5n+FvOXS0IV2khJu
 5DHDiDlkndsuW9ngjZEjdw==

<SEC-DOCUMENT>0000950152-08-007872.txt : 20081014
<SEC-HEADER>0000950152-08-007872.hdr.sgml : 20081013
<ACCEPTANCE-DATETIME>20081014121149
ACCESSION NUMBER:		0000950152-08-007872
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081010
ITEM INFORMATION:		Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers
FILED AS OF DATE:		20081014
DATE AS OF CHANGE:		20081014

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCANTILE BANK CORP
		CENTRAL INDEX KEY:			0001042729
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				383360865
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26719
		FILM NUMBER:		081120964

	BUSINESS ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
		BUSINESS PHONE:		616 406-3000

	MAIL ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>k46759e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML>
<HEAD>
<TITLE>FORM 8-K</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<DIV style="font-family: Helvetica,Arial,sans-serif">


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

</DIV>
<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of the<BR>
Securities Exchange Act of 1934</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Date of Report (date of earliest event reported): October&nbsp;10, 2008</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>Mercantile Bank Corporation</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Michigan</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>000-26719</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>38-3360865</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Commission File
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(IRS Employer</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">of incorporation)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Number)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Identification Number)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>310 Leonard Street NW, Grand Rapids, Michigan</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>49504</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of principal executive offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">Registrant&#146;s telephone number, including area code
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>616-406-3000</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions (<I>see </I>General Instruction
A.2. below):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
</DIV>


<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: Helvetica,Arial,sans-serif">








<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain
Officers; Compensatory Arrangements of Certain Officers.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Retirement of Director</B>. On October&nbsp;10, 2008, our director, C. John Gill, advised us that he
would retire from our Board of Directors, and that of our subsidiary, Mercantile Bank of Michigan,
effective at the close of business on December&nbsp;31, 2008. Mr.&nbsp;Gill has served as a member of our
Board of Directors since 1997. Mr.&nbsp;Gill&#146;s decision to retire is not a result of any disagreement
with us relating to our operations, policies or practices.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Signatures</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">Mercantile Bank Corporation<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Charles E. Christmas
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Charles E. Christmas&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Senior Vice President, Chief<br>
Financial Officer and Treasurer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="left" style="font-size: 10pt; margin-top: 0pt">Date: October&nbsp;14, 2008

</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>



</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
