X0306 4 2022-08-29 0000072741 EVERSOURCE ENERGY ES 0001192333 BUTLER GREGORY B C/O EVERSOURCE ENERGY 56 PROSPECT STREET HARTFORD CT 06103 1 Executive VP & General Counsel Common Shares, $5.00 par value 2022-08-29 4 S 0 5000 91.325 D 71814 D Common Shares, $5.00 par value 6984 I By 401(k) Plan Trustee Phantom Shares Common Shares, $5.00 par value 257 257 D The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.21 to $91.465, inclusive. The reporting person undertakes to provide Eversource Energy, any security holder of Eversource Energy, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold within the range set forth above. Includes restricted share units and dividend equivalents thereon. Shares held in trust under the Eversource 401k Plan, a qualified plan, according to information supplied by the Plan's record keeper. Reporting Person's deferred compensation under the Eversource Deferred Compensation Plan, a non-qualified plan, that is nominally invested as common shares. Each phantom share represents the right to receive one common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents and are exempt from the line item reporting under SEC rule 16a-11. /s/ Kerry J. Tomasevich, attorney-in-fact for Mr. Butler 2022-08-30