X0508 4 2026-03-04 0000072741 EVERSOURCE ENERGY ES 0001862314 Conner Penelope M C/O EVERSOURCE ENERGY 300 CADWELL DRIVE SPRINGFIELD MA 01104 1 EVP-Cust Exp & Energy Strategy 0 Common Shares, $5.00 par value 2026-03-04 4 S 0 1400 75.00 D 10394 D Common Shares, $5.00 par value 1065 I By 401k Plan Trustee Phantom Shares Common Shares, $5.00 par value 17127 17127 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. /s/ Kerry J. Tomasevich, attorney-in-fact for Ms. Conner 2026-03-06