<SEC-DOCUMENT>0001437749-14-011936.txt : 20140627
<SEC-HEADER>0001437749-14-011936.hdr.sgml : 20140627
<ACCEPTANCE-DATETIME>20140627072642
ACCESSION NUMBER:		0001437749-14-011936
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20140627
DATE AS OF CHANGE:		20140627
EFFECTIVENESS DATE:		20140627

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:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-158280
		FILM NUMBER:		14944188

	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>S-8 POS
<SEQUENCE>1
<FILENAME>mbwm20140624_s8pos.htm
<DESCRIPTION>FORM S-8 POS
<TEXT>
<HTML><HEAD><TITLE>mbwm20140624_s8pos.htm</TITLE>
<!-- Created by RDG HTML Converter -->
</HEAD>
<BODY style="FONT-FAMILY: Times New Roman; MARGIN-LEFT: 10px; FONT-SIZE: 10pt; MARGIN-RIGHT: 10px">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA130><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">As filed with the Securities and Exchange Commission on June 27, 2014</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA131><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; TEXT-INDENT: 69.2%; MARGIN: 0pt" id=PARA132><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Registration No. 333-158280</FONT></P>
<P style="TEXT-ALIGN: right; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA133><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA134><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA135><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Washington, D.C. 20549</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA136><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA137><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 12pt"><B>POST EFFECTIVE AMENDMENT NO. 1</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA138><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 12pt"><B>FORM S-8</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA139><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA140><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA141><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">_________________</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA142><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 12pt"><B>Mercantile Bank Corporation</B></FONT></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA143><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA144><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Exact name of registrant as specified in its charter)</FONT></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA145><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<TABLE style="TEXT-INDENT: 0px; WIDTH: 100%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"  cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 50%">
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA179><B>Michigan</B>&nbsp;</P></TD>
<TD style="WIDTH: 50%">
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA180><B><B>38-3360865</B></B>&nbsp;</P></TD></TR>
<TR>
<TD>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA181>(State or other jurisdiction of&nbsp;</P></TD>
<TD>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA182>(I.R.S. Employer Identification No.)&nbsp;</P></TD></TR>
<TR>
<TD>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA183>of incorporation or organization)&nbsp;</P></TD>
<TD>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA184>&nbsp;</P></TD></TR></TABLE>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; TEXT-INDENT: 0pt; MARGIN: 0pt" id=PARA146><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA150><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>310 Leonard Street NW, Grand Rapids, Michigan, 49504</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA151><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Address of Principal Executive Offices)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Zip Code)</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA152><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA153><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 12pt"><B>Mercantile Bank Corporation Employee Stock Purchase Plan of 2002</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA154><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Full title of the plan)</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA155><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA156><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Charles E. Christmas</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA157><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Mercantile Bank Corporation</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA158><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>310 Leonard Street NW </B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA159><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Grand Rapids, Michigan 49504</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA160><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Name and address of agent for service)</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA161><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA162><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(616) 406-3000</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA163><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Telephone number, including area code, of agent for service)</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA164><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA165><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Copies of Communications to:</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA166><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Bradley J. Wyatt</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA167><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Dickinson Wright PLLC</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA168><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>350 S. Main Street, Suite 300</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA169><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Ann Arbor, Michigan 48104</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA170><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA171><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">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 &#8220;large accelerated filer,&#8221; &#8220;accelerated filer&#8221; and &#8220;smaller reporting company&#8221; in Rule 12b-2 of the Exchange Act.</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA172><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<TABLE style="TEXT-INDENT: 0px; WIDTH: 97.4%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id=TBL177  border=0 cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 65.8%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA173><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Large accelerated filer &#9744;</FONT></P></TD>
<TD style="WIDTH: 34.2%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA174><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Accelerated filer &#9746;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 65.8%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA175><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Non-accelerated filer &#9744;&nbsp;</FONT><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(Do not check if a smaller reporting company)</FONT></P></TD>
<TD style="WIDTH: 34.2%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA176><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Smaller reporting company &#9744;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA178><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;</B></FONT></P>
<DIV style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" id=PGBK85 >
<DIV style="TEXT-ALIGN: center; WIDTH: 100%" id=PGFTR85 >&nbsp;</DIV>
<DIV style="TEXT-ALIGN: center; WIDTH: 100%; FONT-SIZE: 10pt" id=PGNUM85 >&nbsp;</DIV>
<HR style="PAGE-BREAK-AFTER: always; WIDTH: 100%; HEIGHT: 2px; COLOR: #000000" noShade>

<DIV style="TEXT-ALIGN: left; WIDTH: 100%" id=PGHDR85 >&nbsp;</DIV></DIV>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA85.2><FONT style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA87><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Explanatory Note</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA88><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;</B></FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id=PARA89><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B></B>Mercantile Bank Corporation (the &#8220;Company&#8221;) is filing this Post-Effective Amendment No. 1 to deregister certain securities originally registered by the Company pursuant to its Registration Statement on Form S-8 (File No. 333-158280) filed and effective March 30, 2009 (the &#8220;2009 Registration Statement&#8221;), with respect to 3,942 shares of the Company&#8217;s Common Stock (the &#8220;ESPP Carried Forward Shares&#8221;) that were previously registered for offer and sale pursuant to the Mercantile Bank Corporation Employee Stock Purchase Plan of 2002 (the &#8220;2002 Plan&#8221;). </FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA90><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id=PARA91><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">On June 26, 2014, the Company&#8217;s board of directors approved the Mercantile Bank Corporation Employee Stock Purchase Plan of 2014 (the &#8220;2014 Plan&#8221;), which replaces the 2002 Plan. </FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA92><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id=PARA93><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Accordingly, the Company files this Post-Effective Amendment No. 1 to deregister the ESPP Carried Forward Shares registered under the 2009 Registration Statement. The Company is concurrently filing a separate registration statement on Form S-8 to, among other things, register the offer and sale under the 2014 Plan of 250,000 shares of the Company&#8217;s Common Stock, comprised of (i) 246,058 newly registered shares, plus (ii) 3,942 ESPP Carried Forward Shares. </FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA94><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<DIV style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" id=PGBK96 >
<DIV style="TEXT-ALIGN: center; WIDTH: 100%" id=PGFTR96 >&nbsp;</DIV>
<DIV style="TEXT-ALIGN: center; WIDTH: 100%; FONT-SIZE: 10pt" id=PGNUM96 >1&nbsp;</DIV>
<HR style="PAGE-BREAK-AFTER: always; WIDTH: 100%; HEIGHT: 2px; COLOR: #000000" noShade>

<DIV style="TEXT-ALIGN: left; WIDTH: 100%" id=PGHDR96 >&nbsp;</DIV></DIV>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA96.2><FONT style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA97><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>SIGNATURES</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA98><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id=PARA99><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>The Registrant.</B> 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 Post-Effective Amendment No. 1 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Grand Rapids, State of Michigan on June 27, 2014.</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA100><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<TABLE style="TEXT-INDENT: 0px; WIDTH: 100%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"  cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 50%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA114>&nbsp;</P></TD>
<TD style="MARGIN-TOP: 0px; WIDTH: 2%; MARGIN-BOTTOM: 0px" colSpan=2>
<P style="LINE-HEIGHT: 1.25; MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA101><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Mercantile Bank Corporation</FONT>&nbsp;</P></TD></TR>
<TR>
<TD style="WIDTH: 50%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA117>&nbsp;</P></TD>
<TD style="WIDTH: 2%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA118>&nbsp;</P></TD>
<TD style="WIDTH: 48%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA119>&nbsp;</P></TD></TR>
<TR>
<TD style="WIDTH: 50%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA120>&nbsp;</P></TD>
<TD style="WIDTH: 2%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA121>By&nbsp;</P></TD>
<TD style="BORDER-BOTTOM: #000000 1px solid; WIDTH: 48%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA122>/s/ Charles E. Christmas&nbsp;</P></TD></TR>
<TR>
<TD style="WIDTH: 50%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA123>&nbsp;</P></TD>
<TD style="WIDTH: 2%">
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA124>&nbsp;</P></TD>
<TD style="MARGIN-TOP: 0px; WIDTH: 48%; MARGIN-BOTTOM: 0px">
<P style="LINE-HEIGHT: 1.25; MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA104><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Charles E. Christmas, Senior Vice President, Chief Financial Officer and Treasurer</FONT>&nbsp;</P></TD></TR></TABLE>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA102><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt">&nbsp;</P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA107><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Note: No other person is required to sign this Post-Effective Amendment No. 1 to the Registration Statement in reliance upon Rule 478 under the Securities Act of 1933. </FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA108><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA110><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
