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<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 12pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

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

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

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K</B></P>

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

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported):&nbsp;&nbsp;<B>August
7, 2012</B></P>

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

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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Microsemi Corporation</B></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>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 32%; vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Delaware</TD>
    <TD STYLE="width: 2%; vertical-align: bottom; font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 32%; vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">000-08866</TD>
    <TD STYLE="width: 2%; vertical-align: bottom; font-size: 10pt; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 32%; vertical-align: top; font-size: 10pt; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">95-2110371</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or Other Jurisdiction</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">of Incorporation)</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: 0pt 0; text-align: center">(Commission</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">File Number)</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: 0pt 0; text-align: center">(I.R.S. Employer</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Identification No.)</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 66%; vertical-align: top; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>One Enterprise</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Aliso Viejo, California</B></P></TD>
    <TD STYLE="width: 2%; vertical-align: bottom; font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 32%; vertical-align: bottom; font-weight: bold; text-align: center; border-bottom: Black 1pt solid">92656</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">(Address of Principal Executive Offices)</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<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; text-align: center">Registrant&rsquo;s telephone number, including
area code: <B> (949) 380-6100</B></P>

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

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

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

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

<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:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 240.425)</TD>
</TR></TABLE>


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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Soliciting material pursuant to Rule 14a-12 under the Exchange
Act (17 CFR 240.14a-12)</TD>
</TR></TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 14d-2(b)
under the Exchange Act (17 CFR 240.14d-2(b))</TD>
</TR></TABLE>


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings">&#168;</FONT></TD><TD STYLE="text-align: justify">Pre-commencement communications pursuant to Rule 13e-4(c)
under the Exchange Act (17 CFR 240.13e-4(c))</TD>
</TR></TABLE>

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

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item&nbsp;5.02&#9;Departure of Directors or Certain Officers;
Election of Directors; Appointment of Certain &#9;&#9;Officers; Compensatory Arrangements of Certain Officers.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On August 7, 2012, Microsemi Corporation (the &ldquo;Company&rdquo;) appointed James V. Mazzo to its Board of Directors (the
&ldquo;Board&rdquo;). Concurrent with his appointment as a director, Mr. Mazzo was appointed to the Governance and Nominating Committee
and the Compensation Committee of the Board of Directors. There are no arrangements or understandings between Mr. Mazzo and any
other person pursuant to which Mr. Mazzo was appointed to serve on the Board of Directors. Mr. Mazzo has no direct or indirect
material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Mr. Mazzo will receive compensation for
his services as a director in accordance with the Company&rsquo;s standard compensation program for non-employee directors, which
is summarized in Exhibit 10.14 to the Company&rsquo;s Annual Report on Form 10-K for its fiscal year ended October 3, 2010, as
filed with the Securities and Exchange Commission (&ldquo;SEC&rdquo;) on November 23, 2010.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In connection with the appointment, the
Company will enter into an indemnification agreement with Mr. Mazzo, the terms of which are identical in all material respects
to the form of indemnification agreement that the Company has previously entered into with each of its directors, which was filed
as Exhibit 10.1 to the Company&rsquo;s Current Report on Form 8-K as filed with the SEC on September 3, 2008.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 7.01&#9;Regulation FD Disclosure</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company issued a press release on August
9, 2012, announcing the appointment of Mr. Mazzo to the Board of Directors. The press release making this announcement is attached
hereto as Exhibit 99.1 and is incorporated herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In accordance with General Instruction B.2
of Form 8-K, the information in this Item 7.01, including Exhibit 99.1, shall not be deemed to be &ldquo;filed&rdquo; for purposes
of Section 18 of the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), or otherwise subject to the
liabilities 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 (the &ldquo;Securities Act&rdquo;), or the Exchange Act, except as shall be expressly
set forth by specific reference in such filing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><BR>
<B>Item 9.01&#9;Financial Statements and Exhibits</B> &#9; &#9;&#9;</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%">Exhibit</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 85%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid">Number</TD>
    <TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">Description</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-right: 5.4pt; padding-left: 5.4pt">99.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Text of press release issued by the Company on August 9, 2012.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: -1.5in">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</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; text-indent: 0.5in">Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center"><B>Microsemi Corporation</b><BR><I>
(Registrant)</I></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 50%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Date:&#9;August 9, 2012</TD>
    <TD STYLE="width: 4%">By:&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 46%; text-align: center">/s/ <FONT STYLE="font-variant: small-caps">John W. Hohener</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top; border-top: #000000 1px solid; text-align: center">John W. Hohener<BR>
<I>Executive Vice President, Chief Financial Officer,<BR>
Treasurer and Secretary</i></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: left; text-indent: 0pt; margin-top: 0pt; margin-bottom: 6pt">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%">Exhibit</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 85%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid">Number</TD>
    <TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">Description</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-right: 5.4pt; padding-left: 5.4pt">99.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Text of press release issued by the Company on August 9, 2012.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

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



<P STYLE="margin: 0"></P>

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{"company-data": {"conformed-name": "MICROSEMI CORP", "cik": "0000310568", "assigned-sic": "3674", "irs-number": "952110371", "state-of-incorporation": "DE", "fiscal-year-end": "1002"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-08866", "film-number": "121021510"}, "business-address": {"street1": "ONE ENTERPRISE", "city": "ALISO VIEJO", "state": "CA", "zip": "92656", "phone": "949-380-6100"}, "mail-address": {"street1": "ONE ENTERPRISE", "city": "ALISO VIEJO", "state": "CA", "zip": "92656"}, "former-company": {"former-conformed-name": "MICROSEMICONDUCTOR CORP", "date-changed": "19830323"}}
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):
August
7, 2012
Microsemi Corporation
(Exact Name of Registrant as Specified in
its Charter)
Delaware
000-08866
95-2110371
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)
One Enterprise
Aliso Viejo, California
92656
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including
area code:
(949) 380-6100
(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:
¨
Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 240.425)
¨
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 5.02	Departure of Directors or Certain Officers;
Election of Directors; Appointment of Certain 		Officers; Compensatory Arrangements of Certain Officers.
On August 7, 2012, Microsemi Corporation (the "Company") appointed James V. Mazzo to its Board of Directors (the
"Board"). Concurrent with his appointment as a director, Mr. Mazzo was appointed to the Governance and Nominating Committee
and the Compensation Committee of the Board of Directors. There are no arrangements or understandings between Mr. Mazzo and any
other person pursuant to which Mr. Mazzo was appointed to serve on the Board of Directors. Mr. Mazzo has no direct or indirect
material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.
Mr. Mazzo will receive compensation for
his services as a director in accordance with the Company's standard compensation program for non-employee directors, which
is summarized in Exhibit 10.14 to the Company's Annual Report on Form 10-K for its fiscal year ended October 3, 2010, as
filed with the Securities and Exchange Commission ("SEC") on November 23, 2010.
In connection with the appointment, the
Company will enter into an indemnification agreement with Mr. Mazzo, the terms of which are identical in all material respects
to the form of indemnification agreement that the Company has previously entered into with each of its directors, which was filed
as Exhibit 10.1 to the Company's Current Report on Form 8-K as filed with the SEC on September 3, 2008.
Item 7.01	Regulation FD Disclosure
The Company issued a press release on August
9, 2012, announcing the appointment of Mr. Mazzo to the Board of Directors. The press release making this announcement is attached
hereto as Exhibit 99.1 and is incorporated herein by reference.
In accordance with General Instruction B.2
of Form 8-K, the information in this Item 7.01, 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
liabilities 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 (the "Securities Act"), or the Exchange Act, except as shall be expressly
set forth by specific reference in such filing.
Item 9.01	Financial Statements and Exhibits
Exhibit
Number
Description
99.1
Text of press release issued by the Company on August 9, 2012.
SIGNATURE
Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
Microsemi Corporation
(Registrant)
Date:	August 9, 2012
By:
/s/
John W. Hohener
John W. Hohener
Executive Vice President, Chief Financial Officer,
Treasurer and Secretary
EXHIBIT INDEX
Exhibit
Number
Description
99.1
Text of press release issued by the Company on August 9, 2012.