X0306 4 2015-11-25 0000009984 BARNES GROUP INC B 0001478811 ACKER MARIAN BARNES GROUP INC. 123 MAIN STREET BRISTOL CT 06010 0 1 0 0 VP, Controller Common Stock 2015-11-25 4 S 0 2621.4376 38.3901 D 40230.7082 D Common Stock 3.351 I By Company's Employee Stock Purchase Plan Common Stock 3.681 I By Company's 401(k) Plan The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.381 to $38.570, inclusive. The reporting person undertakes to provide to Barnes Group Inc., any security holder of Barnes Group Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4. Includes balances of 566 Restricted Stock Units granted 2/12/2013, 666 granted 2/12/2014, 533 granted 2/12/2014 and 1000 granted 2/11/2015, and 2900 Performance Share Awards granted 2/12/2013, 1700 granted 2/12/2014, 1300 granted 2/12/2014 and 1700 granted 2/11/2015, that are subject to forfeiture if certain events occur. Monique B. Marchetti, pursuant to a Power of Attorney 2015-11-30