KATSAROS ARTHUR T

SEC source: 0001209191-21-052537 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,639.079

F1 · security: These shares were granted as deferred stock units and vest upon grant. These deferred stock units are payable no earlier than six months following a termination of service as a director of the Company, at the director's election, 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.

F2 · date: The grant reported on this Form 4 was made after the market had closed.

SEC source: 0001209191-21-046935 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,031.079

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 14, 2021, January 14, 2022, April 14, 2022, and July 14, 2022. 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 487 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: 0001209191-21-046935 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,950.079

F1 · shares: In lieu of receiving cash fees, the reporting person received 406 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,544.079

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 12, 2021, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,543.9322

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 13, 2021. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,543.8175

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 20, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,543.724

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 15, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,543.6718

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-21-043665 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,472.7162

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on June 25, 2021 to stockholders of record as of June 11, 2021 (the "Dividend"), with respect to 35,003 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: 0001209191-21-026664 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,407.1787

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 12, 2021, October 12, 2021, January 12, 2022, and April 12, 2022. 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 492 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: 0001209191-21-026664 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,325.1787

F1 · shares: In lieu of receiving cash fees, the reporting person received 410 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,915.1787

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 13, 2021. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,915.0181

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 20, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,914.8721

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 15, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,914.7651

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 8, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,914.6955

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-21-023588 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,841.7644

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on March 26, 2021 to stockholders of record as of March 12, 2021 (the "Dividend"), with respect to 35,003 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: 0001209191-21-003769 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,773.5007

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 13, 2021, July 13, 2021, October 13, 2021, and January 13, 2022. 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 516 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: 0001209191-21-003769 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,687.5007

F1 · shares: In lieu of receiving cash fees, the reporting person received 430 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,257.5007

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 15, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,257.2816

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 15, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,257.0999

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 8, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,256.9431

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 14, 2020. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,256.8878

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-21-001125 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,175.941

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on December 31, 2020 to stockholders of record as of December 18, 2020 (the "Dividend"), with respect to 35,003 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: 0001209191-20-055569 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,099.0946

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 20, 2021, April 20, 2021, July 20, 2021 and October 20, 2021. 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 625 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: 0001209191-20-055569 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,995.0946

F1 · shares: In lieu of receiving cash fees, the reporting person received 521 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,474.0946

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 15, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,473.7797

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 8, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,473.4721

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 14, 2020. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,473.3288

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 7, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,473.2404

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-20-052325 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,370.0925

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on September 25, 2020 to stockholders of record as of September 11, 2020 (the "Dividend"), with respect to 35,003 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: 0001209191-20-047721 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,270.4926

F1 · security: These shares were granted as deferred stock units and vest upon grant. These deferred stock units are payable no earlier than six months following a termination of service as a director of the Company, at the director's election, 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.

F2 · date: The grant reported on this Form 4 was made after the market had closed.

SEC source: 0001209191-20-042902 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,011.4926

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 15, 2020, January 15, 2021, April 15, 2021, and July 15, 2021. 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 689 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: 0001209191-20-042902 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,896.4926

F1 · shares: In lieu of receiving cash fees, the reporting person received 574 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,322.4926

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 8, 2020, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,322.0628

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 14, 2020. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,321.8369

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 7, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,321.6541

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 17, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,321.5697

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-20-039470 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,215.2157

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on June 26, 2020 to stockholders of record as of June 12, 2020 (the "Dividend"), with respect to 29,744 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: 0001209191-20-024134 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,125.7095

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 8, 2020, October 8, 2020, January 8, 2021, and April 8, 2021. 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 892 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: 0001209191-20-024134 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,976.7095

F1 · shares: In lieu of receiving cash fees, the reporting person received 743 stock units, which immediately vested, in the EnerSys Voluntary Deferred Compensation Plan for Non-Employee Directors (the "Plan").

SEC source: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 6

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,233.7095

F6 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on January 14, 2020. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 5

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,233.3262

F5 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on October 7, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 4

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,232.9754

F4 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on July 17, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 3

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,232.7569

F3 · shares: These shares were granted in the form of RSUs, in connection with the Dividend, with respect to unvested RSUs granted to the reporting person on April 10, 2019, under the Plan. These RSUs are vested and payable concurrent with the underlying RSUs.

SEC source: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 2

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,232.6529

F2 · shares: These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the Dividend, with respect to 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: 0001209191-20-021815 · doc4.xml · nonDerivative · entry 1

KATSAROS ARTHUR T · CIK 0001220007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,100.4603

F1 · shares: These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on March 27, 2020 to stockholders of record as of March 13, 2020 (the "Dividend"), with respect to 29,744 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.