-----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,
 KJXt+0xBn/C1sq4yl+f7Qlm47vonLuklYh6r217tGsJjWt7zBThV2e7R16kS0tsQ
 EzNWrfeA8ZW3rsdckNycaw==

<SEC-DOCUMENT>0000950124-06-001881.txt : 20060412
<SEC-HEADER>0000950124-06-001881.hdr.sgml : 20060412
<ACCEPTANCE-DATETIME>20060412083515
ACCESSION NUMBER:		0000950124-06-001881
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060412
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20060412
DATE AS OF CHANGE:		20060412

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:		06754783

	BUSINESS ADDRESS:	
		STREET 1:		5650 BYRON CENTER AVENUE S. W.
		CITY:			WYOMING
		STATE:			MI
		ZIP:			49509
		BUSINESS PHONE:		616 406-3777

	MAIL ADDRESS:	
		STREET 1:		5650 BYRON CENTER AVENUE S. W.
		CITY:			WYOMING
		STATE:			MI
		ZIP:			49509
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>k04250e8vk.txt
<DESCRIPTION>CURRENT REPORT, DATED APRI1 12, 2006
<TEXT>
<PAGE>

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

        DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): APRIL 12, 2006

                                   ----------

                           MERCANTILE BANK CORPORATION
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                <C>                    <C>
          MICHIGAN                     000-26719                38-3360865
(State or other jurisdiction       (Commission File            (IRS Employer
      of incorporation)                 Number)           Identification Number)
</TABLE>

<TABLE>
<S>                                                             <C>
310 LEONARD STREET NW, GRAND RAPIDS, MICHIGAN                      49504
   (Address of principal executive offices)                     (Zip Code)
</TABLE>

Registrant's telephone number, including area code 616-406-3000

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 (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

<PAGE>

ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

ITEM 7.01. REGULATION FD DISCLOSURE

     Press Release. On April 12, 2006, Mercantile Bank Corporation issued a
press release announcing a 5% stock dividend and related financial information.
A copy of the press release is attached as Exhibit 99.1 and incorporated here by
reference.

     In accordance with General Instruction B.2 of Form 8-K, the information in
this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to
be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), or otherwise subject to the liability of that
section, and shall not be incorporated by reference into any registration
statement or other document filed under the Securities Act of 1933, as amended,
or the Exchange Act, except as shall be expressly set forth by specific
reference in such filing.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits.

<TABLE>
<CAPTION>
Exhibit
 Number   Description
- -------   -----------
<S>       <C>
99.1      Press release of Mercantile Bank Corporation announcing a 5% stock
          dividend and related financial information.
</TABLE>


                                        2

<PAGE>

                                   SIGNATURES

     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.

                                        MERCANTILE BANK CORPORATION


                                        By: /s/ Gerald R. Johnson, Jr.
                                            ------------------------------------
                                            Gerald R. Johnson, Jr.
                                            Chairman of the Board and
                                            Chief Executive Officer

Date: April 12, 2006


                                        3

<PAGE>

                                  EXHIBIT INDEX

<TABLE>
<CAPTION>
Exhibit
 Number   Description
- -------   -----------
<S>       <C>
99.1      Press release of Mercantile Bank Corporation announcing a 5% stock
          dividend and related financial information.
</TABLE>


                                        4
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>k04250exv99w1.txt
<DESCRIPTION>PRESS RELEASE
<TEXT>
<PAGE>

                                                                    Exhibit 99.1

                      (MERCANTILE(R) BANK CORPORATION LOGO)

FOR FURTHER INFORMATION:

AT MERCANTILE BANK CORPORATION:

Gerald R. Johnson, Jr.   Charles Christmas
Chairman & CEO           Chief Financial Officer
616-726-1600             616-726-1202
gjohnson@mercbank.com    cchristmas@mercbank.com

          MERCANTILE BANK CORPORATION DECLARES 5% COMMON STOCK DIVIDEND

Grand Rapids, MI, April 12, 2006 -- At a meeting held April 11, 2006, the Board
of Directors of Mercantile Bank Corporation (Nasdaq: MBWM) declared a five
percent stock dividend on the Corporation's common stock. The dividend is
payable on May 16, 2006 to shareholders of record as of the close of business on
April 24, 2006. The stock dividend will increase shares outstanding to
approximately 7,976,829.

Gerald R. Johnson, Mercantile's Chairman and CEO, stated, "We are pleased to
reward shareholders with our sixth annual five percent common stock dividend. We
continually strive to maximize shareholder value, and we believe that
shareholders stand to benefit over time from the increased liquidity that our
stock dividends provide."

ABOUT MERCANTILE BANK CORPORATION

Mercantile Bank Corporation is the bank holding company for Mercantile Bank of
Michigan. Headquartered in Grand Rapids, the Bank provides a wide variety of
commercial banking services through its five full-service banking offices in
greater Grand Rapids, and its full-service banking offices in Holland, Lansing,
and Ann Arbor, Michigan. Mercantile Bank Corporation's common stock is listed on
the NASDAQ National Market under the symbol "MBWM."

FORWARD-LOOKING STATEMENTS

<PAGE>

This news release contains comments or information that constitute
forward-looking statements (within the meaning of the Private Securities
Litigation Reform Act of 1995) that are based on current expectations that
involve a number of risks and uncertainties. Actual results may differ
materially from the results expressed in forward-looking statements. Factors
that might cause such a difference include changes in interest rates and
interest rate relationships; demand for products and services; the degree of
competition by traditional and non-traditional competitors; changes in banking
regulation; changes in tax laws; changes in prices, levies, and assessments; the
impact of technological advances; governmental and regulatory policy changes;
the outcomes of contingencies; trends in customer behavior as well as their
ability to repay loans; changes in the national and local economy; and other
factors, including risk factors, disclosed from time to time in filings made by
Mercantile with the Securities and Exchange Commission. Mercantile undertakes no
obligation to update or clarify forward-looking statements, whether as a result
of new information, future events or otherwise.

                                     # # # #
<PAGE>

<TABLE>
<CAPTION>
                                        THREE MONTHS     THREE MONTHS
                                            ENDED            ENDED
                                        March 31, 2006   March 31, 2005
                                          (Unaudited)      (Unaudited)
                                        --------------   --------------
<S>                                     <C>              <C>
EARNINGS PER SHARE
1) Before 5% Stock Dividend
   Net income                             $4,929,000       $4,362,000
   Basic income per share                 $     0.65       $     0.58
   Diluted income per share               $     0.64       $     0.57
   Average shares outstanding              7,594,458        7,566,638
   Average diluted shares outstanding      7,715,316        7,712,820

2) AFTER 5% STOCK DIVIDEND
   Net income                             $4,929,000       $4,362,000
   Basic income per share                 $     0.62       $     0.55
   Diluted income per share               $     0.61       $     0.54
   Average shares outstanding              7,974,180        7,944,969
   Average diluted shares outstanding      8,101,081        8,098,461
</TABLE>

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