X0306 4 2017-01-03 0 0001123494 HARVARD BIOSCIENCE INC HBIO 0001197452 LOY BERTRAND 84 OCTOBER HILL RD. HOLLISTON MA 01746 1 0 0 0 Common Stock 2017-01-03 4 A 0 17600 0.00 A 70500 D Includes (a) a deferred stock award of 17,600 restricted stock units which vest quarterly in equal installments on March 31, 2017, June 30, 2017, September 30, 2017 and December 31, 2017; (b) a deferred stock award of 25,300 restricted stock units which fully vest on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders after July 1, 2016, immediately prior to the commencement of such meeting, and (ii) July 1, 2017; and (c) 27,600 shares of common stock held by the Reporting Person. This form has been signed under power of attorney. /s/ Chad Porter, by power of attorney 2017-01-04