AZZ VETERINARY CORPORATION APC

ation of Plan earnings and losses. Allocations are based on the participant's account balance. Forfeited Accounts Forfeitures of unvested amounts may be allocated to reduce future matching contributions or pay Plan expenses. Forfeitures of approximately $215,000 and $177,000 were used to reduce employer contributions in 2024 and 2023, respectively. Forfeitures used to pay Plan expenses were insignificant in both years. Net Assets Available for Benefits included unallocated forfeitures of approximately $107,000 and $56,000 as of December 31, 2024 and 2023, respectively. Investment Options Participants may direct contributions to their account in 1% increments in a variety of investment options, which vary in degree of risk, with the exception of AZZ Inc. common stock for which participants

ual") and administered by Principal, in separate mutual funds or common collective trusts. Vesting Participant contributions to the Plan plus actual earnings or losses thereon are fully vested at all times. Non-elective contributions and non-safe-harbor matching contributions held in the Plan vest in accordance with the following schedule: Years of Service Vesting Percentage Less than 1 year 0 % 1 year 20 % 2 years 40 % 3 years 60 % 4 years 80 % 5 years 100 % 6 AZZ INC. 401(k) PLAN NOTES TO FINANCIAL STATEMENTS Regular matching contributions vest in accordance with the following schedule: Years of Service Vesting Percentage Less than 2 years 0 % 2 years 100 % Participants will vest 100% upon attainment of age 65, or in the event of death or disability while employed by the Company. Notes R

ons Participants may elect to contribute up to seventy-five percent (75%) of their eligible compensation, subject to Internal Revenue Service (“IRS”) limitations. Participants are automatically enrolled in the Plan at 3% on the first of the month following 30 days of employment and the contribution will automatically increase by 1% annually up to a maximum of 10%. Participants may change their contribution elections at 5 AZZ INC. 401(k) PLAN NOTES TO FINANCIAL STATEMENTS any time. Participants who are eligible to make salary deferral contributions under the Plan and who have attained age 50 before the close of the Plan year may make catch-up contributions in accordance with, and subject to the limitations imposed by the Internal Revenue Code (the “Code”). The Company currently makes a matc

ded as of December 31, 2024 or 2023. Fees related to the administration of notes receivable from participants are charged directly to the participant's account and are included in administrative expenses. Contributions Participant and employer contributions are accrued in the period in which they are deducted in accordance with salary deferral agreements and as they become obligations of the Company, as determined by the Plan’s administrator. Payment of Benefits Benefits are recorded when paid. Plan Expenses The Plan pays some or all Plan related expenses except for a limited category of expenses, known as "settlor expenses," which the law requires the employer to pay. The expenses charged to the Plan may be charged pro rata to each participant in relation to the size of each participant's