X0306 4 2017-03-01 0000072741 EVERSOURCE ENERGY ES 0001101384 MAY THOMAS J C/O EVERSOURCE ENERGY 300 CADWELL DRIVE SPRINGFIELD MA 01104 1 Chrmn of the Board & Trustee Common Shares, $5.00 par value 2017-03-01 4 M 0 52875 A 258830 D Common Shares, $5.00 par value 2017-03-01 4 F 0 23635 54.70 D 235195 D Common Shares, $5.00 par value 2017-03-03 4 S 0 64164 58.1531 D 171031 D Common Shares, $5.00 par value 71076 I 401k Plan Common Shares, $5.00 par value 1842 I May Family Investments LLC Phantom Shares 2017-03-01 4 M 0 52875 D Common Shares, $5.00 par value 52875 0 D These shares constitute remaining previously disclosed equity compensation earned by Mr. May pursuant to the registrant's non-qualified deferred compensation plan. The shares were distributed in accordance with the terms of the plan, which delayed the distribution of this portion of such equity compensation as required by IRS 409A regulations. Each stock equivalent phantom share was settled for and represented the economic equivalent of one Eversource common share. Includes restricted share units and dividend equivalents thereon. Shares withheld to satisfy tax withholding obligation. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.00 to $58.385, 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 at each separate price within the range set forth above. 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 Mr. May 2017-03-03