KATSAROS ARTHUR T

SEC source: 0001209191-18-043458 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,234.5765

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of October 18, 2018, January 18, 2019, April 18, 2019, and July 18, 2019. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 866 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-18-043458 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,090.5765

F1 · shares: In lieu of receiving cash fees, the reporting person received 722 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,368.5765

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 164 unvested RSUs granted to the reporting person on April 10, 2018, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,368.192

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 111.2800 unvested RSUs granted to the reporting person on January 16, 2018, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,367.9311

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 81.4084 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.

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,367.7402

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 38.2882 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.

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,367.6505

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 30,288.5929 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.

SEC source: 0001209191-18-041341 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,296.6362

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on June 29, 2018 to stockholders of record as of June 15, 2018 (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.

SEC source: 0001209191-18-024739 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,248.2214

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of July 10, 2018, October 10, 2018, January 10, 2019, and April 10, 2019. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 985 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-18-024739 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,084.2214

F1 · shares: In lieu of receiving cash fees, the reporting person received 821 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,263.2214

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 148 unvested RSUs granted to the reporting person on January 16, 2018, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,262.848

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 122.3066 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.

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,362.5395

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 76.3838 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.

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,262.3468

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 35.2617 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.

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,262.2579

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 29,222.1305 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.

SEC source: 0001209191-18-023015 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,188.5391

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on March 30, 2018 to stockholders of record as of March 16, 2018 (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.

SEC source: 0001209191-18-004256 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,136.5773

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of April 16, 2018, July 16, 2018, October 16, 2018, and January 16, 2019. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 890 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-18-004256 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,988.5773

F1 · shares: In lieu of receiving cash fees, the reporting person received 742 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,246.5773

F6 · shares: 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.

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,246.1677

F5 · shares: 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.

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,245.8804

F4 · shares: 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.

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,245.7011

F3 · shares: 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.

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,245.61

F2 · shares: 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.

SEC source: 0001209191-18-001464 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,174.5421

F1 · shares: 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.

SEC source: 0001209191-17-056725 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,122.9041

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of January 10, 2018, April 10, 2018, July 10, 2018, and October 10, 2018. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 977 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-17-056725 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,959.9041

F1 · shares: In lieu of receiving cash fees, the reporting person received 814 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,145.9041

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 152 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.

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,145.5196

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 106.2560 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.

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,145.2507

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 73.3386 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.

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,145.0652

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 67.4615 unvested RSUs granted to the reporting person on October 11, 2016, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,144.8945

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 27,215.8802 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.

SEC source: 0001209191-17-055189 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,076.0384

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on September 29, 2017 to stockholders of record as of September 15, 2017 (he "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.

SEC source: 0001209191-17-049179 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,024.1882

F1 · security: These shares were granted as deferred stock units and vest upon grant. These deferred stock units are payable six months following a termination of service as a director of the Company, with the right of the Company to clawback the value of the deferred stock unit within one year following a termination of service upon the occurrence of certain events.

SEC source: 0001209191-17-045665 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,104.1882

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of October 17, 2017, January 17, 2018, April 17, 2018, and July 17, 2018. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 912 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-17-045665 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,952.1882

F1 · shares: In lieu of receiving cash fees, the reporting person received 760 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,192.1882

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 142 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.

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,191.8452

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 109.2416 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.

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,191.5813

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 134.5980 unvested RSUs granted to the reporting person on October 11, 2016, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,191.2562

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 15.1050 unvested RSUs granted to the reporting person on July 12, 2016, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,191.2197

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 26,237.6473 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.

SEC source: 0001209191-17-043613 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,127.8438

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on June 30, 2017 to stockholders of record as of June 16, 2017 (the "Dividend"), with respect to 17,004 unvested 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.

SEC source: 0001209191-17-026865 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,085.4964

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of July 11, 2017, October 11, 2017, January 11, 2018, and April 11, 2018. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 851 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.

SEC source: 0001209191-17-026865 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,943.4964

F1 · shares: In lieu of receiving cash fees, the reporting person received 709 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,234.4964

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 146 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.

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,234.1727

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 202.4526 unvested RSUs granted to the reporting person on October 11, 2016, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,233.7239

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 30.1433 unvested RSUs granted to the reporting person on July 12, 2016, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,233.6571

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 21.1627 unvested RSUs granted to the reporting person on April 12, 2016, under the Plan, and adjusted for a previously declared and paid cash dividend. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,233.6102

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 25,330.7919 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.

SEC source: 0001209191-17-025013 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,177.455

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on March 31, 2017 to stockholders of record as of March 31, 2017 (the "Dividend"), with respect to 17,004 unvested 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.

SEC source: 0001209191-17-004479 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,138.6752

F2 · shares: This amount reflects a matching stock unit contribution by EnerSys for the reporting person's account in the Plan. The matching stock unit contribution vests 25% on each of April 17, 2017, July 17, 2017, October 17, 2017, and January 17, 2018. Such vesting is subject to acceleration or cancellation upon the occurrence of certain events.

F3 · balance_after: As a result of these transactions the reporting person has an additional 875 stock units in the Plan. Each of these stock units represents a right to receive one share of EnerSys common stock and is payable upon the reporting person's Termination, as defined in the Plan.