X0306 4 2017-02-07 0000009984 BARNES GROUP INC B 0001007661 BARNES THOMAS O BARNES GROUP INC. 123 MAIN STREET BRISTOL CT 06010 1 0 0 0 Common Stock 2017-02-07 4 A 0 2043 0 A 355369.57 D Common Stock 35204.64 I By 401(k) Plan Common Stock 4277.31 I By my wife Common Stock 39221 I Trust #42-01-100-8546568 Common Stock 414203 I Trust #42-01-100-8546559 Common Stock 75973 I Trust #42-01-100-8550714 Common Stock 161114 I Trust #42-01-100-8550720 Common Stock 483118 I Trust #42-01-100-8550719 Common Stock 411475 I Trust #42-01-100-8546558 Common Stock 84118 I Trust #42-01-100-8550713 Common Stock 145242 I Trust #42-01-102-2548261 Common Stock 92771 I Trust#42-01-102-2549053 Reporting Person has received 2043 Restricted Stock Units that are subject to forfeiture if certain events occur. Reporting Person hereby disclaims beneficial ownership of shares held by his Wife, and the Trusts except to the extent of his pecuniary interest. William K. Piotrowski, pursuant to a Power of Attorney 2017-02-08