Results of Operations and Financial Condition On August 12, 2026 , EnerSys issued an earnings press release discussing its financial results for the first quarter of fiscal 2027. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Other Events On August 12, 2026 , EnerSys issued a press release announcing that its Board of Directors has approved an increase to its quarterly cash dividend of 10% to $0.2875 per share of common stock payable on October 2, 2026, to holders of record as of September 18, 2026. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference.

Regulation FD Disclosure. EnerSys previously issued a press release on June 14, 2023 announcing that it had entered into a non-binding memorandum of understanding with Verkor SAS, to explore the development of a lithium battery gigafactory in the United States. EnerSys intends to transition away from it s technology relationship with Verkor and does not expect Verkor to serve as the project’s technology partner going forward. The information in the preceding paragraph shall not be deemed "fil…

Other Events. On July 23, 2026, as part of a strategic review, EnerSys revised the scope of its previously announced planned lithium-ion cell manufacturing facility in Greenville, South Carolina. EnerSys now expects the planned facility to have an initial capacity of up to 1 gigawatt-hour, as compared to approximately 4 to 5 gigawatt-hours as originally planned, and a materially smaller physical footprint, with such changes made to better align on the aerospace and defense markets as well as…

The company realigned its segments, resulting in changes to executive titles.

Results of Operations and Financial Condition On May 20, 2026 , EnerSys issued an earnings press release discussing its financial results for the fourth quarter of fiscal 2026. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Other Events On May 20, 2026 , EnerSys issued a press release announcing that its Board of Directors has declared its quarterly cash dividend of $0.2625 per share of common stock payable on July 2, 2026, to holders of record as of June 19, 2026. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference.

Material Impairments. On March 25, 2026, EnerSys announced a plan to close its facility in Tijuana, Mexico, which focused on manufacturing lead acid batteries. EnerSys expects to incur a pre-tax charge of approximately $37 million under this restructuring plan when completed, the majority of which is expected to be incurred by the second half of fiscal year 2027, of which $14 million is expected to be non-cash charges primarily from equipment write-offs. Cash charges of approximately $23 mill…

Costs Associated with Exit or Disposal Activities. See disclosure under

Other Events On February 4, 2026 , EnerSys issued a press release announcing that its Board of Directors has declared its quarterly cash dividend of $0.2625 per share of common stock payable on March 27, 2026, to holders of record as of March 13, 2026. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference.

Results of Operations and Financial Condition On February 4, 2026 , EnerSys issued an earnings press release discussing its financial results for the third quarter of fiscal 2026. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in

Entry Into a Material Definitive Agreement. As previously disclosed, on December 21, 2022, EnerSys (in its individual capacity ( “ ENS ” ), and in its capacity as the master servicer ( “ Master Servicer ” )) entered into a Receivables Purchase Agreement (the “ Receivables Agreement ” ) by and among Wells Fargo Bank, National Association as the administrative agent ( “ Wells ” ), EnerSys Finance, LLC as the seller ( “ Seller ") and certain other persons from time to time and party thereto as p…

Other Events On November 5, 2025 , EnerSys issued a press release announcing that its Board of Directors has declared its quarterly cash dividend of $0.2625 per share of common stock payable on December 26, 2025, to holders of record as of December 12, 2025. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference.

Results of Operations and Financial Condition On November 5, 2025 , EnerSys issued an earnings press release discussing its financial results for the second quarter of fiscal 2026. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Entry into a Material Definitive Agreement. On September 25, 2025 (the “ Effective Date ”), EnerSys (the “ Company ”) and certain of its subsidiaries entered into the Sixth Amendment to the Credit Agreement (the “ Amendment ”) with Bank of America, N.A., as administrative agent, swingline lender and letter of credit issuer, and the lenders party thereto. The Amendment amends the Credit Agreement, dated as of August 4, 2017 (as amended, restated, supplanted or otherwise modified from time to t…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The disclosure required by this

Results of Operations and Financial Condition On August 6, 2025 , EnerSys issued an earnings press release discussing its financial results for the first quarter of fiscal 2026. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Other Events On August 6, 2025 , EnerSys issued a press release announcing that its Board of Directors has raised its quarterly cash dividend of $0.2625 per share of common stock payable on September 26, 2025, to holders of record as of September 12, 2025. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference. Also included in the press release, Enersys announced the Board of Directors authorized a new $1 billion stock repurchase authorization. The authorized…

Costs Associated with Exit or Disposal Activities. On July 22, 2025, EnerSys announced a reduction in force plan (the "Plan") as part of EnerSys' strategic restructuring plan under its new leadership to better align resources with current business priorities and long-term objectives. The Plan is expected to reduce EnerSys' non-production global workforce by approximately 11%, or approximately 575 employees, and is focused primarily on corporate and management positions. EnerSys estimates one-…

Other Events. On July 22, 2025, EnerSys issued a press release announcing the Plan, which is attached to this Current Report on Form 8-K as Exhibit 99.1, and is incorporated herein by reference. Forward-Looking Statements This Current Report on Form 8-K contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding the Plan, the estimated total cash and non-cash charges and the timing thereof in connection…

CEO — David M. Shaffer: The CEO retired and was immediately succeeded by a named internal appointee, representing an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition On May 21, 2025 , EnerSys issued an earnings press release discussing its financial results for the fourth quarter of fiscal 2025. The press release, attached as Exhibit 99.1 hereto and incorporated herein by reference, is being furnished to the SEC and shall not be deemed to be "filed" for any purpose.

Other Events On May 21, 2025 , EnerSys issued a press release announcing that its Board of Directors has declared a quarterly cash dividend of $0.24 per share of common stock payable on June 27, 2025 to holders of record as of June 13, 2025. The press release, attached hereto as Exhibit 99.2, is incorporated herein by reference.

Costs Associated with Exit or Disposal Activities. See disclosure under