IGI Western Asset Investment Grade Defined Opportunity Trust Inc

Closed-end funds that are affiliated with Legg Mason, Inc. (“Legg Mason”) and are advised or sub-advised by Western Asset Management have issued manager commentary. The commentary provides the respective portfolio manager’s views on the current market and their outlook for the remainder of 2010.

Portfolio managers from Western Asset Management Company, a Legg Mason affiliate, participated in the live quarterly update on November 1, 2010. The call featured the following speakers:

• Stephen Walsh – Chief Investment Officer, Market Overview
• Robert Amodeo – Portfolio Manager, Municipals
• Michael Buchanan – Head of Credit, Credit Markets
• Keith Gardner – Head of Developing Markets, Emerging Markets Debt
• Peter Stutz – Portfolio Manager, Treasury Inflation-Protected Securities (TIPS)
• Ronald Mass - Head of Structured Products, Mortgage-Backed Securities

Investors can access a replay of this call by phone or by visiting our website:

Phone:

    Dial-in number: USA Toll Free Number: 1-866-430-8618 USA Toll Number: 1-706-902-3433 Passcode: 5102   Entire Call – Option 1 Introduction – Option 2 Stephen Walsh – Option 3 Robert Amodeo – Option 4 Michael Buchanan – Option 5 Keith Gardner – Option 6 Peter Stutz – Option 7 Ronald Mass – Option 8 Important Disclosures – Option 9  

Web site:

www.leggmason.com/cef

Replay on the Web site will be provided in its entirety or in segments based on individual speakers.

Investment advisory and sub-advisory services are provided by subsidiaries of Legg Mason, including: Western Asset Management Company and Western Asset Management Company Limited.

Legg Mason is the 6th largest closed-end fund manager in the U.S., with $10 billion in assets under management as of September 30, 2010.

All data and commentary provided is for informational purposes only. Legg Mason, Inc. and all of its affiliates do not engage in the sale of shares of the funds.

For more information:

• Please call 1-888-777-0102 or consult the Funds' web site at http://www.leggmason.com/cef

SYMBOLS:

NYSE: DMO; EHI; EMD; ESD; GDF; GDO; GFY; HIF; HIO; HIX; HYI; IGI; IMF; MHF; MHY; MMU; MNP; MTT; PAI; SBW; SCD; WEA

NYSE Amex: SBI