X0306 4 2012-11-13 0000009984 BARNES GROUP INC B 0001196429 BENANAV GARY G BARNES GROUP INC. 123 MAIN STREET BRISTOL CT 06010 1 0 0 0 Common Stock 2012-11-13 4 S 0 34830 20.695 D 0 I Trust #z75-918784 Common Stock 2012-11-13 4 P 0 34830 20.65 A 34830 I Trust #z75-918784 Common Stock 24527 D Common Stock 329.1246 I By Non-Employee Director Deferred Stock Plan The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.40 to $20.93, 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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.52 to $20.72, 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 (2) to this Form 4. The reporting person's purchase and sale reported on this Form 4 were matchable under Section 16(b) of the Securities Exchange Act. The reporting person has paid Barnes Group Inc. $1,509.48, representing the full amount of the profit realized in connection with the short-swing transaction, less transaction costs. Includes balances of 1810 restricted stock units from 2/8/11 grant and 3046 from 2/8/12 grant, that are subject for forfeiture if certain events occur. Monique B. Marchetti, pursuant to a Power of Attorney 2012-11-14