X0508 4 2025-11-12 0000072741 EVERSOURCE ENERGY ES 0001192333 BUTLER GREGORY B C/O EVERSOURCE ENERGY 56 PROSPECT STREET HARTFORD CT 06103 1 Executive VP & General Counsel 0 Common Shares, $5.00 par value 2025-11-12 4 S 0 5000 73.08 D 56674 D Common Shares, $5.00 par value 8590 I By 401(k) Plan Trustee Phantom Shares Common Shares, $5.00 par value 295 295 D 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. An updated power of attorney is attached to this Form as Exhibit 24. /s/ Florence J. Iacono, attorney-in-fact for Mr. Butler 2025-11-13