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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549<BR>
<BR>
</B><img src="logo.jpg"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K<BR>
<BR>
CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B></P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="width: 40%; font-size: 10pt">Date of Report (Date of earliest event reported)</TD>
    <TD NOWRAP STYLE="width: 1%; font-size: 10pt">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 59%; border-bottom: windowtext 1pt solid; font-size: 10pt; font-weight: bold">April 30, 2012</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>CORNERSTONE
BANCSHARES, INC.</B></FONT></P>

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

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<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: 25%; border-bottom: windowtext 1pt solid; font-weight: bold; text-align: center">Tennessee</TD>
    <TD STYLE="width: 2%; border-bottom: windowtext 1pt solid">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 46%; border-bottom: windowtext 1pt solid; font-weight: bold; text-align: center">000-30497</TD>
    <TD STYLE="width: 2%; border-bottom: windowtext 1pt solid">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 25%; border-bottom: windowtext 1pt solid; font-weight: bold; text-align: center">62-1173944</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(State or other jurisdiction<BR> of incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center; width: 79%">(IRS Employer<BR> Identification No.)</TD></TR>
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    <TD NOWRAP STYLE="width: 37%; font-weight: bold; text-align: center">835 Georgia Avenue,<BR>
Chattanooga, Tennessee</TD>
    <TD NOWRAP STYLE="width: 38%; text-align: center">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 25%; font-weight: bold; text-align: center">37402</TD></TR>
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    <TD NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="text-align: center">(Address of principal executive <BR>
offices)</TD>
    <TD NOWRAP STYLE="text-align: center">&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">(Zip Code)</TD></TR>
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    <TD NOWRAP STYLE="width: 41%; vertical-align: top; padding-top: 0.75pt; padding-right: 0.75pt; padding-bottom: 1.5pt">Registrant&rsquo;s telephone number, including area code</TD>
    <TD NOWRAP STYLE="width: 2%">&nbsp;</TD>
    <TD NOWRAP STYLE="border-bottom: windowtext 1pt solid; font-size: 10pt; font-weight: bold; width: 57%">(423) 385-3000</TD></TR>
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    <TD STYLE="border-bottom: windowtext 1pt solid; font-size: 10pt; font-weight: bold; width: 100%"><FONT STYLE="font-weight: normal; font-style: normal">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(Former name or former address, if changed since last report.)</TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">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):</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(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"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>



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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 2.02.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Results
of Operations and Financial Condition</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On April 26, 2012, the Registrant issued
a press release reporting earnings results for the fiscal quarter ended March 31, 2012.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 9.01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial
Statements and Exhibits.</B></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">99.1&nbsp;&nbsp;&nbsp;&nbsp; Press release dated April 26, 2012
reporting earnings results for the fiscal quarter ended March 31, 2012.</P>

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<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-top: 0pt; text-align: left; margin-bottom: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 22.5pt">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.</P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><B><U>CORNERSTONE BANCSHARES, INC</U></B>. </TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 46%">&nbsp;</TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">(Registrant)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-bottom: 1pt">Date:&nbsp;&nbsp;<U>April 30, 2012</U> </TD>
    <TD STYLE="padding-bottom: 1pt">By:&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Nathaniel F. Hughes</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Nathaniel F. Hughes,</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>President</TD></TR>
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{"company-data": {"conformed-name": "CORNERSTONE BANCSHARES INC", "cik": "0001038773", "assigned-sic": "6021", "irs-number": "621175427", "state-of-incorporation": "TN", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-30497", "film-number": "12803446"}, "business-address": {"street1": "4154 RINGGOLD RD", "city": "CHATTANOOGA", "state": "TN", "zip": "37412-416", "phone": "4236982454"}, "mail-address": {"street1": "4154 RINGGOLD RD", "city": "CHATTANOOGA", "state": "TN", "zip": "37412-0416"}, "former-company": {"former-conformed-name": "EAST RIDGE BANCSHARES INC", "date-changed": "19970507"}}
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 30, 2012
CORNERSTONE
BANCSHARES, INC.
(Exact name of registrant as specified in
its charter)
Tennessee
000-30497
62-1173944
(State or other jurisdiction
of incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
835 Georgia Avenue,
Chattanooga, Tennessee
37402
(Address of principal executive
offices)
(Zip Code)
Registrant's telephone number, including area code
(423) 385-3000
(Former name or former address, if changed since last report.)
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))
Item 2.02.          Results
of Operations and Financial Condition
On April 26, 2012, the Registrant issued
a press release reporting earnings results for the fiscal quarter ended March 31, 2012.
Item 9.01           Financial
Statements and Exhibits.
(c)       Exhibits
99.1     Press release dated April 26, 2012
reporting earnings results for the fiscal quarter ended March 31, 2012.
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.
CORNERSTONE BANCSHARES, INC
.
(Registrant)
Date:
April 30, 2012
By:
/s/ Nathaniel F. Hughes
Nathaniel F. Hughes,
President