NEW YORK--(BUSINESS WIRE)--Western Asset Municipal Defined Opportunity Trust Inc. (NYSE:MTT) announces its portfolio composition as of June 30, 2015. Investment Objective: The Fund’s primary investment objective is to provide high current income exempt from federal income tax and then to liquidate on or about April 30, 2021 and distribute all of the Fund’s net assets to shareholders. As a secondary objective, the Fund will seek total return.   Portfolio Composition*:   Asset Allocation Municipa