X0306 4 2017-11-09 0 0000031107 EASTERN CO EML 0001663158 Vlak August M. 112 BRIDGE STREET NAUGATUCK CT 06770 0 1 0 0 President & CEO Common Stock 2017-11-09 4 P 0 1800 25.75 A 6800 D Stock Appreciation Rights 19.10 2017-03-02 4 A 0 20000 0 A 2022-03-02 Common Stock 20000 20000 D On March 2, 2017, 20,000 stock appreciation rights ("SARs") were granted to the reporting person pursuant to the terms of The Eastern Company 2010 Executive Stock Incentive Plan and a stock appreciation rights agreement, at an exercise price of $19.10 per SAR. These SARs shall vest and become exercisable as follows (provided the reporting person remains an employee of the issuer on each applicable vesting date, and the issuer meets certain performance thresholds prescribed in the stock appreciation rights agreement): 6,667 of the granted SARs vest on February 1, 2018; 6,667 of the granted SARs vest on February 1, 2019; and 6,666 of the granted SARs vest on February 1, 2020. /s/August M. Vlak 2017-11-09