Results of Operations and Financial Condition On November 5, 2026, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended September 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report.

Other Events. On September 14, 2026, Parker-Hannifin Corporation (“Parker” or the “Company”) completed (i) its previously announced registered offering of $2.4 billion in aggregate principal amount of senior notes (the “U.S. Notes Offering”) and (ii) its previously announced registered offering of €2.025 billion in aggregate principal amount of senior notes (the “Euro Notes Offering” and, together with the U.S. Notes Offering, the “Offerings”). The U.S. Notes Offering included four tranches,…

Other Items. U.S. Dollar-Denominated Note Offering On September 8, 2026, Parker-Hannifin Corporation (“Parker” or the “Company”) entered into an underwriting agreement (the “U.S. Notes Underwriting Agreement”) with Barclays Capital Inc., Citigroup Global Markets Inc., and Morgan Stanley & Co. LLC, as representatives of the several underwriters listed in Schedule I thereto (the “U.S. Notes Underwriters”), pursuant to which the Company agreed to issue and sell to the U.S. Notes Underwriters the…

Other Events. Revolving Credit Agreement and Commercial Paper Program Parker-Hannifin Corporation (the “Company”) maintains a commercial paper program supported by unused capacity under its credit facilities. On September 4, 2026, the Company entered into a new revolving credit agreement, which replaces its existing amended and restated revolving credit agreement and provides for an increase in the total revolving line of credit available thereunder to $5.0 billion. On September 4, 2026, the…

Completion of Acquisition or Disposition of Assets. As previously disclosed, on November 10, 2025, Parker-Hannifin Corporation (“Parker”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prosper Merger Sub Corp., a Delaware corporation and wholly owned subsidiary of Parker (“Merger Sub”), Filtration Group Corporation, a Delaware corporation (“Filtration Group”), and, solely in its capacity as the representative for Filtration Group’s securityholders, Filtration Group…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. As previously disclosed, on December 10, 2025, Parker entered into (i) a 364-Day Term Loan Agreement (the “364-Day Credit Agreement”) with Barclays Bank PLC, as administrative agent, and various financial institutions named therein as lenders, which 364-Day Credit Agreement provides for a delayed draw term loan facility in the aggregate principal amount of $5.25 billion (the “364…

Results of Operations and Financial Condition On August 6, 2026, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended June 30, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report.

Results of Operations and Financial Condition On April 30, 2026, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended March 31, 2026. A copy of the press release is furnished as Exhibit 99.1 to this report.

Director — Kevin A. Lobo: Mr. Lobo will not stand for reelection to the Board of Directors due to his election to another board.

Results of Operations and Financial Condition On January 29, 2026, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report.

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

Entry into a Material Definitive Agreement. On December 10, 2025, Parker-Hannifin Corporation (the “ Company ”) entered into (i) a 364-Day Term Loan Agreement (the “ 364-Day Credit Agreement ”) with Barclays Bank PLC, as administrative agent, and various financial institutions named therein as lenders, which 364-Day Credit Agreement provides for a delayed draw term loan facility in the aggregate principal amount of $5.25 billion (the “ 364-Day Credit Facility ”) and (ii) a Three-Year Term Loa…

Entry into a Material Definitive Agreement. On November 10, 2025, Parker-Hannifin Corporation (“Parker”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prosper Merger Sub Corp., a Delaware corporation and wholly owned subsidiary of Parker (“Merger Sub”), Filtration Group Corporation, a Delaware corporation (“Filtration Group”), and, solely in its capacity as the representative for Filtration Group’s securityholders, Filtration Group Equity LLC, a Delaware limited l…

Results of Operations and Financial Condition On November 6, 2025, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report.

Director — Beth A. Wozniak: Election of a new director to the board with no indication of significant change in company management.

Results of Operations and Financial Condition On August 7, 2025, Parker-Hannifin Corporation issued a press release announcing results of operations for the quarter ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report.

Results of Operations and Financial Condition On May 1, 2025, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended March 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.

Other Events. On February 20, 2025, Parker-Hannifin Corporation (“Parker” or the “Company”) completed its previously announced registered offering of €700 million in aggregate principal amount of 2.900% Senior Notes due 2030 (the “Notes”). The Notes were issued pursuant to an Indenture dated as of September 5, 2023, between the Company and The Bank of New York Mellon Trust Company, N.A. (the “Trustee”), as supplemented by an Officer’s Certificate relating to the Notes, dated February 20, 2025…

Other Items. On February 6, 2025, Parker-Hannifin Corporation (“Parker” or the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Citigroup Global Markets Limited, HSBC Bank plc and Morgan Stanley & Co. International plc, as representatives of the several underwriters listed in Schedule I thereto (the “Underwriters”) pursuant to which the Company agreed to issue and sell to the Underwriters the Notes (as defined below). For a complete description of the term…

Results of Operations and Financial Condition On January 30, 2025, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended December 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.

Results of Operations and Financial Condition On October 31, 2024, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended September 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.

Results of Operations and Financial Condition On August 8, 2024, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended June 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.

Director — E. Jean Savage: Election of a new director to the board with routine compensation and committee assignments.

Results of Operations and Financial Condition On May 2, 2024, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended March 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.

Results of Operations and Financial Condition On February 1, 2024, Parker-Hannifin Corporation issued a press release and presented a Webcast announcing results of operations for the quarter ended December 31, 2023. A copy of the press release is furnished as Exhibit 99.1 to this report. A copy of the Webcast presentation is furnished as Exhibit 99.2 to this report.