<SEC-DOCUMENT>0001437749-13-016005.txt : 20131213
<SEC-HEADER>0001437749-13-016005.hdr.sgml : 20131213
<ACCEPTANCE-DATETIME>20131213144324
ACCESSION NUMBER:		0001437749-13-016005
CONFORMED SUBMISSION TYPE:	10-Q/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20130930
FILED AS OF DATE:		20131213
DATE AS OF CHANGE:		20131213

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MIDDLEFIELD BANC CORP
		CENTRAL INDEX KEY:			0000836147
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				341585111
		STATE OF INCORPORATION:			OH

	FILING VALUES:
		FORM TYPE:		10-Q/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32561
		FILM NUMBER:		131275976

	BUSINESS ADDRESS:	
		STREET 1:		15985 E HIGH ST
		STREET 2:		P O BOX 35
		CITY:			MIDDLEFILED
		STATE:			OH
		ZIP:			44062-9263
		BUSINESS PHONE:		4406321666

	MAIL ADDRESS:	
		STREET 1:		15985 EAST HIGH STREET
		STREET 2:		P O BOX 35
		CITY:			MIDDLEFIELD
		STATE:			OH
		ZIP:			44062-9263
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q/A
<SEQUENCE>1
<FILENAME>mbcn20131125b_10qa.htm
<DESCRIPTION>FORM 10-Q/A
<TEXT>
<HTML><HEAD><TITLE>mbcn20131125b_10qa.htm</TITLE>
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<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA3><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=PARA4><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=PARA5><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Washington, D.C. 20552</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA6><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=PARA7><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>FORM 10-Q/A</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA8><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=PARA9><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA10><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;&nbsp;&nbsp;OF 1934</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA11><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=PARA12><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>For the quarterly period ended September 30, 2013</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA13><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=PARA14><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B><U>Commission File Number 000-32561</U></B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA15><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=PARA16><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp; <IMG style="WIDTH: 112pt; HEIGHT: 41pt" src="mbcn20131125b_10qaimg001.jpg"></FONT></P>
<TABLE style="TEXT-INDENT: 0px; WIDTH: 100%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id=TBL19  border=0 cellSpacing=0 cellPadding=0>

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<TD style="BORDER-BOTTOM: #000000 1px solid; WIDTH: 100%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA17><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Middlefield Banc Corp.</B></FONT></P></TD></TR>
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<TD style="WIDTH: 100%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA18><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(Exact name of registrant as specified in its charter)</B></FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA20><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA21><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Ohio</B></FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA22><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>34 - 1585111&nbsp;</B></FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA23><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(State or other jurisdiction of incorporation&nbsp;</B></FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA24><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(IRS&nbsp;Employer Identification No.)</B></FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA25><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>or organization)&nbsp;</B></FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: middle">
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA26><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA28><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=PARA29><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>15985 East High Street, Middlefield, Ohio 44062-9263</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA30><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(Address of principal executive offices)</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA31><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=PARA32><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(440) 632-1666</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA33><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>(Registrant's telephone number, including area code)</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA34><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=PARA35><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA37><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>YES [&#8730;] NO [ &nbsp;]</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA38><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=PARA39><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). YES [&#8730;] NO [&nbsp; ]</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA40><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=PARA41><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=PARA42><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>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 definition of &#8220;large accelerated filer&#8221;, &#8220;accelerated filer&#8221;, and &#8220;smaller reporting company&#8221; in Rule 12b-2 of the Exchange Act. (Check one):</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA43><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-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA44><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Large accelerated filer [&nbsp; ] &nbsp;&nbsp; Accelerated filer [&nbsp; ]&nbsp;&nbsp;&nbsp; Non-accelerated filer [ &nbsp;]&nbsp;&nbsp;&nbsp; Small reporting company [&#8730;]</B></FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA45><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=PARA46><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA47><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>YES [ &nbsp;] &nbsp;&nbsp;NO [&#8730;]</B></FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA48><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=PARA49><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>State the number of shares outstanding of each of the issuer's classes of common equity as of the latest practicable date:</B></FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA50><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=PARA51><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Class: Common Stock, without par value</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA52><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Outstanding at November 5, 2013 : 2,026,578</B></FONT></P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA245.1>&nbsp;</P>
<DIV style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" id=PGBK245 >
<DIV style="TEXT-ALIGN: center; WIDTH: 100%" id=PGFTR245 >&nbsp;</DIV>
<DIV style="TEXT-ALIGN: center; WIDTH: 100%; FONT-SIZE: 10pt" id=PGNUM245 >&nbsp;</DIV>
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<DIV style="TEXT-ALIGN: left; WIDTH: 100%" id=PGHDR245 >&nbsp;</DIV></DIV>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA245.2>&nbsp;<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=PARA63><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=PARA64><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=PARA65><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">This Form 10-Q/A amendment to the Company's Quarterly Report on Form 10-Q for the period ended September 30, 2013 is being filed for the sole purpose of filing the corrected Exhibits 31.1 and 31.2.</FONT></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA66><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=PARA67><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">This Form 10-Q/A continues to speak as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update any other disclosures made in the Form 10-Q.</FONT></P>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA68.1>&nbsp;</P>
<DIV style="WIDTH: 100%; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" id=PGBK68 >
<DIV style="TEXT-ALIGN: center; WIDTH: 100%" id=PGFTR68 >&nbsp;</DIV>
<DIV style="TEXT-ALIGN: center; WIDTH: 100%; FONT-SIZE: 10pt" id=PGNUM68 >&nbsp;</DIV>
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<DIV style="TEXT-ALIGN: left; WIDTH: 100%" id=PGHDR68 >&nbsp;</DIV></DIV>
<P style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" id=PARA68.2>&nbsp;<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=PARA76><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>SIGNATURES</B></FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA78><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id=PARA79><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">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 thereunto duly authorized.</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA80><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA81><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA82><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">MDDLEFIELD BANC CORP.</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA83><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA84><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp;(Registrant)</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA85><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA86><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA87><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">December 13, 2013</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA88><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><U>/s/ Thomas G. Caldwell</U></FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA89><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA90><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Thomas G. Caldwell</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA91><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA92><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">President and Chief Executive Officer</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA93><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA94><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
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<TD style="WIDTH: 50%; VERTICAL-ALIGN: top"><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA87><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">December 13, 2013</FONT></P></FONT></TD>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA96><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><U>/s/ Donald L. Stacy</U></FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA97><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA98><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Donald L. Stacy</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA99><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 0pt" id=PARA100><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Principal Financial and Accounting Officer</FONT></P></TD></TR>
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<TD style="WIDTH: 50%; VERTICAL-ALIGN: top">&nbsp; </TD></TR></TABLE>
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<DOCUMENT>
<TYPE>EX-31
<SEQUENCE>2
<FILENAME>ex31-1.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
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<P style="TEXT-ALIGN: right; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA116><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><I></I></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: right; LINE-HEIGHT: 1.25; MARGIN: 0pt"><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><I>Exhibit&nbsp;31.1</I></FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA117><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA118><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT><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=PARA121><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Certification of Principal Executive Officer</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA122><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Pursuant to Section 302 of the Securities Exchange Act of 1934</B></FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA123><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA124><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">I, Thomas G. Caldwell, certify that:</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA125><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.3%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA126><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">1.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.7%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA127><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">I have reviewed this quarterly report on Form 10-Q/A of Middlefield Banc Corp.;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA129><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA130><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">2.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA131><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA133><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA134><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">3.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA135><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA137><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA138><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">4.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA139><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">The registrant&#8217;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have:</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA141><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA142><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(a)&nbsp;Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA143><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA144><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA145><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA146><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(c)&nbsp;Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA147><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA148><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(d)&nbsp;Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting; and</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA149><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA150><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">5.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA151><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">The registrant&#8217;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of the registrant&#8217;s board of directors (or persons performing the equivalent functions):</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA153><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA154><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(a)&nbsp;All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant&#8217;s ability to record, process, summarize and report financial information; and</FONT></P>
<P style="TEXT-ALIGN: justify; 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: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA156><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(b)&nbsp;Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal control over financial reporting.</FONT></P>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA157><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA158><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA159><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA160><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Date: <FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">December 13, 2013</FONT></P></FONT></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA161><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA162><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;/s/ Thomas G. Caldwell</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA163><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA164><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA165><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA166><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA167><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA168><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
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<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA169><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA170><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA171><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Thomas G. Caldwell</FONT></P></TD></TR>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA172><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
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<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA173><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA174><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">President and Chief Executive Officer</FONT></P></TD></TR></TABLE>
<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">&nbsp;</FONT></P></BODY></HTML>
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<TYPE>EX-31
<SEQUENCE>3
<FILENAME>ex31-2.htm
<DESCRIPTION>EXHIBIT 31.2
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<P style="TEXT-ALIGN: right; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" id=PARA177><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><I></I></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: right; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt"><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><I>Exhibit&nbsp;31.2</I></FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA182><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA183><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT><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=PARA186><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Certification of Principal Executive Officer</B></FONT></P>
<P style="TEXT-ALIGN: center; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA187><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"><B>Pursuant to Section 302 of the Securities Exchange Act of 1934</B></FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA188><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA189><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">I, Donald L. Stacy, certify that:</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA190><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TR>
<TD style="WIDTH: 3.3%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA191><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">1.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.7%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA192><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">I have reviewed this quarterly report on Form 10-Q/A of Middlefield Banc Corp.;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA194><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA195><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">2.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA196><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA198><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
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<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA199><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">3.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA200><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA202><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" id=TBL205  border=0 cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA203><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">4.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA204><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">The registrant&#8217;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the registrant and have:</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA206><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA207><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(a)&nbsp;Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA208><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA209><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA210><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA211><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(c)&nbsp;Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA212><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA213><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(d)&nbsp;Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting; and</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA214><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" id=TBL217  border=0 cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 3.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA215><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">5.&nbsp;</FONT></P></TD>
<TD style="WIDTH: 96.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA216><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">The registrant&#8217;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of the registrant&#8217;s board of directors (or persons performing the equivalent functions):</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA218><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA219><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(a)&nbsp;All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant&#8217;s ability to record, process, summarize and report financial information; and</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA220><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0pt 0pt 36pt" id=PARA221><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">(b)&nbsp;Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal control over financial reporting.</FONT></P>
<TABLE style="TEXT-INDENT: 0px; WIDTH: 100%; FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt" id=TBL240  border=0 cellSpacing=0 cellPadding=0>

<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA222><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA223><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA224><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA225><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Date: <FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">December 13, 2013</FONT></P></FONT></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA226><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA227><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;/s/ Donald L. Stacy</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA228><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA229><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA230><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA231><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA232><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA233><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA234><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA235><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA236><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Donald L. Stacy</FONT></P></TD></TR>
<TR>
<TD style="WIDTH: 37.5%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA237><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 10.5%; VERTICAL-ALIGN: bottom">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 0.8pt 0pt 0pt" id=PARA238><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></TD>
<TD style="WIDTH: 52%; VERTICAL-ALIGN: top">
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt 1.6pt 0pt 0pt" id=PARA239><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">Principal Financial and Accounting Officer</FONT></P></TD></TR></TABLE>
<P style="TEXT-ALIGN: justify; LINE-HEIGHT: 1.25; MARGIN: 0pt" id=PARA241><FONT style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt">&nbsp;</FONT></P></BODY></HTML>
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