X0306 4 2017-12-29 0 0001289308 EnerSys ENS 0001220007 KATSAROS ARTHUR T C/O ENERSYS, 2366 BERNVILLE ROAD READING PA 19605 1 0 0 0 Common Stock 2017-12-29 4 A 0 51.638 0.00 A 55174.5421 D Common Stock 2017-12-29 4 A 0 71.0679 0.00 A 55245.61 D Common Stock 2017-12-29 4 A 0 0.0911 0.00 A 55245.7011 D Common Stock 2017-12-29 4 A 0 0.1793 0.00 A 55245.8804 D Common Stock 2017-12-29 4 A 0 0.2872 0.00 A 55246.1677 D Common Stock 2017-12-29 4 A 0 0.4097 0.00 A 55246.5773 D These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on December 29, 2017 to stockholders of record as of December 15, 2017 (the "Dividend"), with respect to 19,924 vested DSUs granted to the reporting person on various dates, and adjusted for previously declared and paid cash dividends. These DSUs are vested and payable concurrent with the underlying DSUs. These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 28,276.9037 vested RSUs granted to the reporting person on various dates under the EnerSys Deferred Compensation Plan for Non-Employee Directors (the "Plan"), and adjusted for previously declared and paid cash dividends. These RSUs are vested and payable concurrent with the underlying RSUs. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 36.2585 unvested RSUs granted to the reporting person on January 17, 2017, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 71.3516 unvested RSUs granted to the reporting person on April 11, 2017, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 114.2884 unvested RSUs granted to the reporting person on July 17, 2017, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs. These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 163 unvested RSUs granted to the reporting person on October 10, 2017, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs. Karen J. Yodis, by Power of Attorney 2018-01-03