On January 25, 2018, Microwave Filter Company, Inc. announced that it has received a letter dated January 19, 2018, from Zeff Capital L.P. in which Zeff Capital expressed an interest in acquiring all of the outstanding shares of common stock of the Company not already owned by Zeff Capital or its affiliates, for $.72 per share in cash, which the letter states represents a premium of approximately 19% over the latest 3 month average closing price.