144 0001659916 XXXXXXXX LIVE 0000080172 NATIONAL PRESTO INDUSTRIES INC 001-02451 3925 N HASTINGS WAY EAU CLAIRE WI 54703 7158392121 MORGAN JEFFERY A Former Officer (retired 4/30/2026) Common Stock Computershare

150 Royall Street Suite 101 Canton MA 02021

1532 200722.64 7165694 06/10/2026 NYSE Common Stock 03/15/2023 Vesting of Restricted Stock Award National Presto Industries, Inc. N 66 03/15/2023 Compensation Common Stock 03/15/2024 Vesting of Restricted Stock Award National Presto Industries, Inc. N 56 03/15/2024 Compensation Common Stock 03/17/2025 Vesting of Restricted Stock Award National Presto Industries, Inc. N 148 03/17/2025 Compensation Common Stock 03/15/2026 Vesting of Restricted Stock Award National Presto Industries, Inc. N 239 03/15/2026 Compensation Common Stock 04/30/2026 Vesting of Restricted Stock Award National Presto Industries, Inc. N 1023 04/30/2026 Compensation N Jeffery A. Morgan

3925 N. Hastings Way Eau Claire, WI 54703

Common Stock 04/30/2026 349 48804.16 Jeffery A. Morgan

3925 N. Hastings Way Eau Claire, WI 54703

Common Stock 03/16/2026 100 13158.00 All restricted stock awards referenced above were granted under the Issuer's 2017 Incentive Compensation Plan. The sales included in the Securities Sold During the Past 3 Months table represent shares withheld by the Issuer and remitted on behalf of the reporting person for payment of taxes in connection with the vesting of the Restricted Stock Awards on March 15, 2026 and April 30, 2026. 06/10/2026 /s/ Ann Werner by Power of Attorney