Western Asset Municipal Defined Opportunity Trust Inc. announced that at its annual meeting of shareholders held on March 26, 2018, Robert D. Agdern, William R. Hutchinson and Riordan Roett were elected as Class III Directors of the Fund by owners of its common stock to hold office until the annual meeting of shareholders in the year 2021 or thereafter when respective successors are duly elected and qualified or until they resign or are otherwise removed.