X0306 4 2019-02-22 0000072741 EVERSOURCE ENERGY ES 0001441845 Carmody Christine M C/O EVERSOURCE ENERGY 300 CADWELL DRIVE SPRINGFIELD MA 01104 1 EVP - HR and IT Common Shares, $5.00 par value 2019-02-22 4 S 0 15000 70.061 D 34802 D Common Shares, $5.00 par value 4430 I 401k Phantom Shares Common Shares, $5.00 par value 188 188 D The transaction was executed in multiple trades at prices ranging from $70.040 to $70.095. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. 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 deferred compensation plan, that is nominally invested as common shares. Each phantom share represents the right to receive one Eversource Energy common share upon a distribution event, following vesting. Additional phantom shares are issued upon the automatic reinvestment of dividend-equivalents exempt from line item reporting under SEC Rule 16a-11. /s/ Kerry J. Tomasevich, attorney-in-fact for Ms. Carmody 2019-02-25