On February 19, 2013, Microsemi Corporation, a Delaware corporation ("Microsemi") entered into (i) Amendment No. 4 ("Amendment No. 4") to its existing Credit Agreement dated as of November 2, 2010, as amended by Amendment No. 1 to the Credit Agreement, dated as of March 2, 2011, Amendment No. 2 to the Credit Agreement, dated as of October 13, 2011, and Amendment No. 3 to the Credit Agreement, dated as of February 17, 2012, which amended and restated the existing Credit Agreement (such amended and restated Credit Agreement, the "Existing Credit Agreement"; and as amended by Amendment No. 4), with Morgan Stanley Senior Funding, Inc., Morgan Stanley & Co. LLC and the lenders referred to therein.
Pursuant to the Existing Credit Agreement, certain lenders provided senior secured first lien credit facilities, consisting of a term loan facility and a revolving credit facility. Amendment No. 4 provides for, among other things,
(i) a new $726,000,000 tranche of term loans (the "New Term Loans"), which replaced the term loans outstanding under the Existing Credit Agreement immediately prior to the effectiveness of Amendment No. 4 (the "Replaced Term Loans"), (ii) a term loan maturity date of February 19, 2020, (iii) new pricing terms, and (iv) certain modifications to financial covenant provisions. Except as modified by Amendment No. 4 as described above, the terms of the New Term Loans are the same as the terms of the Replaced Term Loans. The foregoing summary of Amendment No. 4 does not purport to be complete and is subject to, and qualified in its entirety by, the full text of Amendment No. 4, a copy of which is included as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.
Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The information provided in Item 1.01 of this Current Report on Form 8-K is hereby incorporated by reference into this Item 2.03. Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

 Exhibit
 Number                                Description

  10.1    Amendment No. 4 to Credit Agreement, dated as of February 19, 2013, by
          and among Microsemi Corporation, Morgan Stanley Senior Funding, Inc.,
          Morgan Stanley & Co. LLC and the lenders referred to therein.