X0306 4 2022-08-16 0000076334 PARKER HANNIFIN CORP PH 0001203526 SCAMINACE JOSEPH 6035 PARKLAND BOULEVARD CLEVELAND OH 44124 1 0 0 0 Common Stock 2022-08-16 5 G 0 E 340 0 D 3682 I Joseph Scaminace Foundation Common Stock 7145 D As of the filing date, the reporting person owned, directly and indirectly, 10,827 shares of common stock, which includes 418 shares that were inadvertently omitted from Column 5 of the Form 4 filed on 12/23/19, and subsequent Form 4 filings, due to an arithmetic error. Includes 6 shares acquired as a dividend reinvestment feature of the Parker-Hannifin Corporation Amended and Restated 2016 Omnibus Stock Incentive Plan. /s/Stephen D. Klinge, Attorney-in-Fact 2022-08-19