X0306 4 2016-09-16 0000009984 BARNES GROUP INC B 0001453850 STEPHENS CHRISTOPHER J BARNES GROUP INC. 123 MAIN STREET BRISTOL CT 06010 0 1 0 0 SVP, Finance and CFO Common Stock 2016-09-16 4 S 0 23039 38.7613 D 81582.5503 D Common Stock 5283.5845 I By Company's Employee Stock Purchase Plan Common Stock 1848.844 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 $38.56 to $39.11, 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. Transaction is made in accordance with a 10b5-1 Trading Plan entered into on August 12, 2016. Includes balances of 1633 Restricted Stock Units granted 2/12/2014, 666 granted 2/12/2014, 3799 granted 2/11/2015 and 7000 granted 2/10/2016, that are subject to forfeiture if certain events occur. William K. Piotrowski, pursuant to a Power of Attorney 2016-09-19