Western Asset Mortgage Defined Opportunity Fund Inc. declared dividend of $0.17500 for the months of December 2018, January and February 2019, payable on December 31, 2018, February 1, 2019 and March 3, 2019 to the shareholders record on December 21, 2018, January 18, 2019 and February 15, 2019 with the ex-dividend date of December 20, 2018, January 17, 2019 and February 14, 2019 respectively.