NEW YORK--(BUSINESS WIRE)--Western Asset Investment Grade Defined Opportunity Trust Inc., which is traded on the New York Stock Exchange under the symbol "IGI", announced today monthly distributions of $0.1045 per common share for December 2009 and January and February 2010.

The distribution schedule appears below:

Month		Ex-Date		Record Date		Payable Date		Amount		Type
December		12/16/2009		12/18/2009		12/28/2009		$0.1045		Income
January		01/20/2010		01/22/2010		01/29/2010		$0.1045		Income
February		02/17/2010		02/19/2010		02/26/2010		$0.1045		Income

This press release is not for tax reporting purposes but is being provided to announce the amount of the Fund's distributions that have been declared by the Board of Directors. In early 2010 and early 201l, after definitive information is available, the Fund will send shareholders a Form 1099-DIV, if applicable, specifying how the distributions paid by the Fund during the respective prior calendar year should be characterized for purposes of reporting the distributions on a shareholder’s tax return (e.g., ordinary income, long-term capital gain or return of capital).

Western Asset Investment Grade Defined Opportunity Trust Inc. is a non-diversified, closed-end management investment company that is managed by Legg Mason Partners Fund Advisor, LLC, a wholly-owned subsidiary of Legg Mason, Inc., and is sub-advised by Western Asset Management Company, an affiliate of the investment manager.

Contact the Fund at 1-888-777-0102 for additional information, or consult the Fund's web site at www.leggmason.com/cef.

All data and commentary provided within this press release is for informational purposes only. Legg Mason, Inc. and all of its affiliates do not engage in selling any of the shares of the Fund. The Fund’s common shares are traded on the New York Stock Exchange.

Legg Mason & Co., LLC
Brenda Grandell, 212-857-8087
Director, Closed-End Funds