X0203 3 2009-03-26 0 0001454021 Western Asset Municipal Defined Opportunity Trust Inc. MTT 0000704051 LEGG MASON INC 100 LIGHT ST BALTIMORE MD 21202-1476 0 0 0 1 Parent of the Fund Common Stock 5235.6 D Legg Mason Inc. also files on behalf of its subsidiaries. /s/ William J. Renahan by Power of Attorney for Mark R. Fetting, Chief Executive Officer, on behalf of Legg Mason, Inc. and its subsidiaries 2009-03-26