MOROUN MATTHEW T → PAMT CORP PAMT

Item 4 of the Schedule 13D is hereby amended and supplemented by inserting the following paragraph after the last paragraph thereof: The transaction on September 11, 2025, as described in Item 3 of this Amendment No. 16, resulted in the decrease in the percentage of outstanding shares of Common Stock beneficially owned by the Moroun Grantor Trust and the increases in the percentages of outstanding shares of Common Stock beneficially owned by the 2020 Lindsay Moroun Trust and Frederick P. Calderone, respectively, since the filing of Amendment No. 15 to this Schedule 13D. The transaction on September 11, 2025, as described in Item 3, was effected for ownership succession purposes.