X0508 4 2025-10-16 0000898293 JABIL INC JBL 0001196746 MONDELLO MARK T C/O JABIL INC. 10800 ROOSEVELT BOULEVARD NORTH ST. PETERSBURG FL 33716 1 1 Executive Chairman 0 Common Stock 2025-10-16 4 D 0 8375.0000 0.0000 D 1371815.0000 D Common Stock 2025-10-16 4 F 0 29659.0000 206.8800 D 1342156.0000 D Common Stock 2025-10-16 4 F 0 43214.0000 206.8800 D 1298942.0000 D Common Stock 2025-10-17 4 S 0 5406.0000 209.1900 D 1293536.0000 D Common Stock 2025-10-17 4 S 0 6234.0000 206.3900 D 1287302.0000 D Common Stock 2025-10-17 4 S 0 8345.0000 208.7400 D 1278957.0000 D Common Stock 2025-10-17 4 S 0 20015.0000 207.4200 D 1258942.0000 D This represents performance-based restricted stock units originally granted under Issuer's 2021 Stock Award and Incentive Plan on October 20, 2022, which were certified on October 16, 2025 to have satisfied performance metrics, but not at maximum. The transactions reflected on this line were executed in multiple trades at prices ranging from $209.05 to $209.58, inclusive. The price reported above reflects the weighted average sale price for the shares set forth on this line. The reporting person hereby undertakes to provide upon request by the SEC Staff, the Issuer or a security holder of the Issuer full information regarding the number of shares sold at each separate price. The transactions reflected on this line were executed in multiple trades at prices ranging from $206.01 to $206.96, inclusive. The price reported above reflects the weighted average sale price for the shares set forth on this line. The reporting person hereby undertakes to provide upon request by the SEC Staff, the Issuer or a security holder of the Issuer full information regarding the number of shares sold at each separate price. The transactions reflected on this line were executed in multiple trades at prices ranging from $208.05 to $209.04, inclusive. The price reported above reflects the weighted average sale price for the shares set forth on this line. The reporting person hereby undertakes to provide upon request by the SEC Staff, the Issuer or a security holder of the Issuer full information regarding the number of shares sold at each separate price. The transactions reflected on this line were executed in multiple trades at prices ranging from $207.00 to $207.98, inclusive. The price reported above reflects the weighted average sale price for the shares set forth on this line. The reporting person hereby undertakes to provide upon request by the SEC Staff, the Issuer or a security holder of the Issuer full information regarding the number of shares sold at each separate price. /s/ Lisa N. Clark, Attorney-in-Fact 2025-10-20