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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">WASHINGTON, D.C. 20549</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">PURSUANT TO SECTION&nbsp;13 OR 15(d)&nbsp;OF</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">THE SECURITIES EXCHANGE ACT OF 1934</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of earliest event reported):<b> August&nbsp;2, 2013</b></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">PennyMac Mortgage Investment Trust</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact Name of Registrant as Specified in Charter)</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Maryland</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">001-34416</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">27-0186273</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or   Other Jurisdiction of</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">File   Number)</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">6101 Condor Drive, Moorpark, California</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">93021</font></b></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(818) 224-7442</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s telephone number, including area code)</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></p>
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<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</font></p>
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<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
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<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b))</font></p>
<p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 1.01 Entry into a Material Definitive Agreement.</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On August&nbsp;2, 2013</font><font size="2" style="font-size:10.0pt;">, PennyMac Mortgage Investment Trust (the &#147;Company&#148;), through its wholly-owned subsidiary, PennyMac Mortgage Investment Trust Holdings I, LLC (&#147;PMITH&#148;), amended the terms of its master repurchase agreement, dated March&nbsp;29, 2012, by and among </font><font size="2" style="font-size:10.0pt;">Credit Suisse First Boston Mortgage Capital LLC (&#147;CSFB&#148;)</font><font size="2" style="font-size:10.0pt;"> and PMITH, the Company and PennyMac Operating Partnership, L.P. (the &#147;Operating Partnership&#148;) (the &#147;PMITH Repurchase Agreement&#148;), to provide for the financing of </font><font size="2" style="font-size:10.0pt;">a discrete pool of jumbo mortgage loans (the &#147;Jumbo Pool&#148;) acquired by another of the Company&#146;s wholly-owned subsidiaries, </font><font size="2" style="font-size:10.0pt;">PennyMac Corp. (&#147;PMC&#148;),</font><font size="2" style="font-size:10.0pt;"> from a large money-center bank</font><font size="2" style="font-size:10.0pt;">.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Under the terms of the amendment, CSFB agreed to finance the Jumbo Pool in accordance with the terms of the PMITH Repurchase Agreement; provided, however, that the aggregate purchase price of the Jumbo Pool, during the term of the financing, will not be counted for purposes of determining the maximum available purchase price under the PMITH Repurchase Agreement or under that certain Amended and Restated Master Repurchase Agreement, dated as of June&nbsp;1, 2013, by and among </font><font size="2" style="font-size:10.0pt;">CSFB and PMC, the Company and the Operating Partnership</font><font size="2" style="font-size:10.0pt;">.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The aggregate unpaid principal balance of the Jumbo Pool was approximately $393 million at the time of financing, and the maturity date with respect to each mortgage loan in the Jumbo Pool is October&nbsp;15, 2013. </font><font size="2" style="font-size:10.0pt;">The obligations of PMITH are fully guaranteed by the Company and the Operating Partnership, and the mortgage loans in the Jumbo Pool are serviced by an affiliate of the Company, PennyMac Loan Services, LLC, pursuant to the terms of the PMITH Repurchase Agreement.&#160; </font><font size="2" style="font-size:10.0pt;">All other terms and conditions of the </font><font size="2" style="font-size:10.0pt;">PMITH </font><font size="2" style="font-size:10.0pt;">Repurchase Agreement remain the same in all material respects.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Other material terms of the PMITH Repurchase Agreement and related guaranty are described more fully in the Company&#146;s Current Report on Form&nbsp;8-K filed on April&nbsp;4, 2012, and the full text of the PMITH Repurchase Agreement and the related guaranty were filed with such report as Exhibits 1.1 and 1.2, respectively.</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item&nbsp;2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.</font></b></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information set forth under Item&nbsp;1.01 of this report is incorporated herein by reference.</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2<a name="PB_2_114822_7056"></a></font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURE</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:22.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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.</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">PENNYMAC   MORTGAGE INVESTMENT TRUST</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Anne D.   McCallion</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dated:   August&nbsp;8, 2013</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Anne D.   McCallion</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial   Officer</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3<a name="PB_3_114950_5335"></a></font></p>
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{"company-data": {"conformed-name": "PennyMac Mortgage Investment Trust", "cik": "0001464423", "assigned-sic": "6798", "irs-number": "270186273", "state-of-incorporation": "MD", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34416", "film-number": "131021437"}, "business-address": {"street1": "6101 CONDOR DRIVE", "street2": "THIRD FLOOR", "city": "MOORPARK", "state": "CA", "zip": "93021", "phone": "(818) 224-7442"}, "mail-address": {"street1": "6101 CONDOR DRIVE", "street2": "THIRD FLOOR", "city": "MOORPARK", "state": "CA", "zip": "93021"}}
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 2, 2013
PennyMac Mortgage Investment Trust
(Exact Name of Registrant as Specified in Charter)
Maryland
001-34416
27-0186273
(State or   Other Jurisdiction of
(Commission
(I.R.S.   Employer
Incorporation   or Organization)
File   Number)
Identification   No.)
6101 Condor Drive, Moorpark, California
93021
(Address   of Principal Executive Offices)
(Zip   Code)
(818) 224-7442
(Registrant's telephone number, including area code)
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:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 1.01 Entry into a Material Definitive Agreement.
On August 2, 2013
, PennyMac Mortgage Investment Trust (the "Company"), through its wholly-owned subsidiary, PennyMac Mortgage Investment Trust Holdings I, LLC ("PMITH"), amended the terms of its master repurchase agreement, dated March 29, 2012, by and among
Credit Suisse First Boston Mortgage Capital LLC ("CSFB")
and PMITH, the Company and PennyMac Operating Partnership, L.P. (the "Operating Partnership") (the "PMITH Repurchase Agreement"), to provide for the financing of
a discrete pool of jumbo mortgage loans (the "Jumbo Pool") acquired by another of the Company's wholly-owned subsidiaries,
PennyMac Corp. ("PMC"),
from a large money-center bank
.
Under the terms of the amendment, CSFB agreed to finance the Jumbo Pool in accordance with the terms of the PMITH Repurchase Agreement; provided, however, that the aggregate purchase price of the Jumbo Pool, during the term of the financing, will not be counted for purposes of determining the maximum available purchase price under the PMITH Repurchase Agreement or under that certain Amended and Restated Master Repurchase Agreement, dated as of June 1, 2013, by and among
CSFB and PMC, the Company and the Operating Partnership
.
The aggregate unpaid principal balance of the Jumbo Pool was approximately $393 million at the time of financing, and the maturity date with respect to each mortgage loan in the Jumbo Pool is October 15, 2013.
The obligations of PMITH are fully guaranteed by the Company and the Operating Partnership, and the mortgage loans in the Jumbo Pool are serviced by an affiliate of the Company, PennyMac Loan Services, LLC, pursuant to the terms of the PMITH Repurchase Agreement.
All other terms and conditions of the
PMITH
Repurchase Agreement remain the same in all material respects.
Other material terms of the PMITH Repurchase Agreement and related guaranty are described more fully in the Company's Current Report on Form 8-K filed on April 4, 2012, and the full text of the PMITH Repurchase Agreement and the related guaranty were filed with such report as Exhibits 1.1 and 1.2, respectively.
Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
The information set forth under Item 1.01 of this report is incorporated herein by reference.
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SIGNATURE
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.
PENNYMAC   MORTGAGE INVESTMENT TRUST
/s/ Anne D.   McCallion
Dated:   August 8, 2013
Anne D.   McCallion
Chief Financial   Officer
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