X0306 4 2020-08-19 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 2020-08-19 4 M 0 15200 36.31 A 124764.13 D Common Stock 2020-08-19 4 M 0 20800 30.71 A 145564.13 D Common Stock 2020-08-19 4 S 0 36000 39.2782 D 109564.13 D Common Stock 2406.31 I By Company's 401(k) Plan Stock Option-Right to Buy 36.31 2020-08-19 4 M 0 15200 0 D 2025-02-11 Common Stock 15200 600 D Stock Option-Right to Buy 30.71 2020-08-19 4 M 0 20800 0.0 D 2026-02-10 Common Stock 20800 0 D Includes balances of 1354 Restricted Stock Units ("RSUs") granted 2/8/2018, 3249 RSUs granted 2/13/2019, and 5600 RSUs granted 2/13/2020, that are subject to forfeiture if certain events occur. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.05 to $39.63, 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 this footnote to this Form 4. The options vested 33.334% on the 18th month and 33.333% on the 30th and 42nd months from the 2/11/2015 grant date. The options vested 33.334% on the 18th month and 33.333% on the 30th and 42nd months from the 2/10/2016 grant date. Patricia A. Bradley, pursuant to a Power of Attorney 2020-08-21