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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>WASHINGTON, DC 20549</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Pursuant to Section&nbsp;13 or 15(d) of the</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Securities Exchange Act of 1934</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Date of report (Date of earliest event reported):
March 1, 2012 </B></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>GOLUB CAPITAL BDC, INC. </U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Exact name of Registrant as Specified in
Its Charter)</B></P>

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

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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center">DELAWARE</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center">333-163279</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center">27-2326940</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(State or Other Jurisdiction</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>of Incorporation)</B></P></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Commission </B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>File Number)</B></P></TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(IRS Employer</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Identification No.)</B></P></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 112px">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="width: 112px">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
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    <TD STYLE="width: 56%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">150 South Wacker Drive, Suite 800, Chicago, IL</TD>
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 38%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">60606</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">(Address of Principal Executive Offices)&nbsp;&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-align: center"><B>(Zip Code)</B></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Registrant&rsquo;s telephone number, including
area code: <U>(312) 205-5050</U></B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>____ ____</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Former Name or Former Address, if Changed
Since Last Report)</B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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 (<I>see</I> General Instruction
A.2. below):</P>

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    <TD STYLE="width: 4%; font-family: Wingdings">&nbsp;</TD>
    <TD STYLE="width: 96%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR>
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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; font-family: Wingdings">&uml;</TD>
    <TD STYLE="width: 96%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR>
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    <TD STYLE="width: 4%; font-family: Wingdings">&uml;</TD>
    <TD STYLE="width: 96%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR>
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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; font-family: Wingdings">&uml;</TD>
    <TD STYLE="width: 96%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 96px; font-weight: bold">Item&nbsp;8.01.</TD>
    <TD STYLE="font-weight: bold">Other Events</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 20.9pt 0 0">On March 1, 2012, Golub Capital BDC, Inc. (the &ldquo;Company&rdquo;)
sold an additional 325,000 shares of its common stock, par value $0.001 per share (the &ldquo;Common Stock&rdquo;), at a public
offering price of $15.35 per share pursuant to the underwriters&rsquo; partial exercise of the over-allotment option the Company
granted to the underwriters in connection with its recently closed public offering of 3,500,000 shares of Common Stock.&nbsp;&nbsp;Settlement
of this partial exercise of the over-allotment option resulted in gross proceeds of $4,988,750 and net proceeds, before expenses,
of $4,849,000.</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Pursuant to the requirements of the Securities Exchange Act of 1934,
Golub Capital BDC, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold">GOLUB CAPITAL BDC, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 22%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 43%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Date:&nbsp; March 1, 2012</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">By:&nbsp;</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">/s/ Ross A. Teune</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Name:</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Ross A. Teune</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Title:&nbsp;&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Chief Financial Officer&nbsp;&nbsp;&nbsp;</TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&nbsp;</P>

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{"company-data": {"conformed-name": "Golub Capital BDC, Inc.", "cik": "0001476765", "irs-number": "272326940", "state-of-incorporation": "DE", "fiscal-year-end": "0910"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "814-00794", "film-number": "12658045"}, "business-address": {"street1": "150 SOUTH WACKER DRIVE", "street2": "SUITE 800", "city": "CHICAGO", "state": "IL", "zip": "60606", "phone": "312-205-5050"}, "mail-address": {"street1": "150 SOUTH WACKER DRIVE", "street2": "SUITE 800", "city": "CHICAGO", "state": "IL", "zip": "60606"}, "former-company": {"former-conformed-name": "Golub Capital BDC LLC", "date-changed": "20091113"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 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):
March 1, 2012
GOLUB CAPITAL BDC, INC.
(Exact name of Registrant as Specified in
Its Charter)
DELAWARE
333-163279
27-2326940
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
150 South Wacker Drive, Suite 800, Chicago, IL
60606
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including
area code:
(312) 205-5050
____ ____
(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 8.01.
Other Events
On March 1, 2012, Golub Capital BDC, Inc. (the "Company")
sold an additional 325,000 shares of its common stock, par value $0.001 per share (the "Common Stock"), at a public
offering price of $15.35 per share pursuant to the underwriters' partial exercise of the over-allotment option the Company
granted to the underwriters in connection with its recently closed public offering of 3,500,000 shares of Common Stock.  Settlement
of this partial exercise of the over-allotment option resulted in gross proceeds of $4,988,750 and net proceeds, before expenses,
of $4,849,000.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934,
Golub Capital BDC, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
GOLUB CAPITAL BDC, INC.
Date:  March 1, 2012
By:
/s/ Ross A. Teune
Name:
Ross A. Teune
Title:
Chief Financial Officer