X0206 3 2016-03-04 1 0001552451 MyoKardia Inc MYOK 0001616640 AGARWAL SUNIL C/O MYOKARDIA, INC. 333 ALLERTON AVENUE SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Exhibit List: Exhibit 24.1 - Power of Attorney /s/ Steven Chan, attorney-in-fact 2016-03-08