Market Overview

Western Asset Mortgage Defined Opportunity Fund Inc. Portfolio Composition as of September 30, 2012


Western Asset Mortgage Defined Opportunity Fund Inc. (NYSE: DMO) announces its portfolio composition as of September 30, 2012.

Investment Objectives: The Fund's primary investment objective is to provide current income. As a secondary investment objective, the Fund will seek capital appreciation.

Investment Strategy: The Fund seeks to achieve its investment objectives by investing primarily in a diverse portfolio of mortgage-backed securities (“MBS”) consisting primarily of non-agency residential mortgage-backed securities (“RMBS”) and commercial mortgage-backed securities (“CMBS”). The Fund intends to invest in MBS directly, and indirectly through a separate investment in a public-private investment fund (“PPIF”) formed in connection with the Legacy Securities Public-Private Investment Program (“PPIP”) established by the U.S. Department of the Treasury.

Portfolio Composition*:

Asset Allocation









Option ARM






High Yield


Cash & Cash Equivalents


Credit Quality Allocation**

AAA 5.3%
AA 2.4%
A 5.5%
BBB 3.0%
BB 7.3%
B 9.1%
CCC 17.8%
CC 30.6%
C 6.4%
D 8.1%
Not Rated 4.5%

Average Life (years)


Effective Duration (years)


Average Coupon (%)


Portfolio Statistics:


Inception Date

February 24, 2010

Inception Price



Total Assets***


Net Assets




Preferred Shares


Reverse Repos


Market Price






(Daily NAV is available on market quotation systems using the symbol XDMOX.)

Distribution Rate

$0.1500 per share


Monthly (Declared quarterly, paid monthly)

* The Fund has also invested in a PPIF. The data (except for “Total Assets”, “Net Assets” and the sub-headings thereunder) included in this press release incorporates the Fund's pro rata exposure to the PPIF's holdings. Portfolio holdings and weightings are historical and are presented here for informational purposes only. They are subject to change at any time.

Credit quality is a measure of a bond issuer's ability to repay interest and principal in a timely manner. The credit ratings shown are based on each portfolio security's rating as provided by Standard and Poor's, Moody's Investors Service and/or Fitch Ratings, Ltd. and typically range from AAA (highest) to D (lowest). For this purpose, if two or more of the agencies have assigned differing ratings to a security, the highest rating is used. Securities that are unrated by all three agencies are reflected as such. The credit quality of the investments in the Fund's portfolio does not apply to the stability or safety of the Fund. These ratings are updated monthly and may change over time. Please note, the Fund itself has not been rated by an independent rating agency.

*** The difference between total assets and net assets, if any, is due primarily to the Fund's use of borrowings; net assets do not include borrowings. The Fund may employ leverage in the form of loans, preferred stock, reverse repurchase agreements and/or other instruments. When the Fund engages in transactions that have a leveraging effect on the Fund's portfolio, the value of the Fund will be more volatile and all other risks will tend to be compounded. This value excludes the Fund's exposure to leverage indirectly through the Fund's investment in the Master Fund. The Fund does not intend to incur additional direct leverage at the Fund level to the extent that its existing direct leverage at the Fund level and its implicit leverage through its investment in the Master Fund exceeds 33 1⁄3% of the Fund's total assets.

Western Asset Mortgage Defined Opportunity Fund Inc., a non-diversified closed-end investment management company traded on the New York Stock Exchange under the symbol “DMO”, is advised by Legg Mason Partners Fund Advisor, LLC (“LMPFA”), a wholly owned subsidiary of Legg Mason, Inc. (“Legg Mason”), and is sub-advised by Western Asset Management Company (“WAM”), an affiliate of the advisor. Wilshire Associates Incorporated, an investment adviser unaffiliated with Legg Mason, LMPFA and WAM, serves as the Fund's allocation subadviser.

All investments are subject to risks, including the possible loss of principal. The Fund's investments are subject to liquidity risk, credit risk, inflation risk, and interest rate risk. Mortgage-backed securities are subject to additional risks, including prepayment risk, which can limit the potential gains in a declining interest rate environment. The Fund may invest in securities backed by subprime or distressed mortgages which involve a higher degree of risk and chance of loss. Leverage may result in greater volatility of NAV and the market price of common shares and increases a shareholder's risk of loss. The Fund is not guaranteed by the U.S. Government, the U.S. Treasury, or any government agency. The credit quality ratings shown may change over time.

Data and commentary provided in this press release are for informational purposes only. Legg Mason and its affiliates do not engage in selling shares of the Fund.

For more information, please call Fund Investor Services at 888-777-0102, or consult the Fund's web site at

The U.S. Department of the Treasury has not participated in the preparation of this release or the prospectus or made any representation regarding, and expressly disclaims any liability or responsibility to any investor in the Fund for, the accuracy, completeness or correctness of any of the information contained herein or therein. Without limitation of the foregoing, the U.S. Department of the Treasury does not approve or disapprove of any tax disclosure or advice set forth herein or therein.


Legg Mason
Maria Rosati, 1-212-805-6036

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