ADELPHI UNIVERSITY DEFINED CONTRIBUTION RETIREMENT PLAN Contribution & Employer Match

ADELPHI UNIVERSITY DEFINED CONTRIBUTION RETIREMENT PLAN Average Participant Retirement Account Value

ADELPHI UNIVERSITY DEFINED CONTRIBUTION RETIREMENT PLAN Estimated Average Employee Contribution Amount

• Upon eligibility, the Plan allows participants to make voluntary pre-tax contributions to the Plan in multiples of 0.5% and not to exceed 90% of eligible compensation (Voluntary Contributions) subject to certain Internal Revenue Service (IRS) limitations, and reduced by the percentage of any applicable mandatory contributions.

• For participants making mandatory contributions, the University’s contribution shall be a specified percentage of the participant’s salary for each payroll period, determined based on the participant’s years of receiving University contributions (including applicable prior service credits) in accordance with the following schedule: Mandatory Contribution University Contribution First two years 4.50% 7.50% Years 3 through 6 3.50% 8.50% Years 7 through 20 2.50% 9.50% More than 20 years 0.50% 11.50% For participants who are not required to make mandatory contributions, the University shall make a contribution on behalf of each eligible employee who makes the required mandatory contribution or required minimum contribution, as the case may be.
• The participant’s minimum required contribution for periods after completing two years of service and the corresponding University contribution shall be determined as follows: Minimum Required University Contribution Contribution First two years 4.50% 7.50% Years 3 through 6 3.50% 8.50% Years 7 through 20 2.50% 9.50% More than 20 years 3.50% 11.50%

• Employees’ deferrals, University’s matching contributions and earnings thereon are fully and immediately vested.
• As such, there were no forfeited non-vested accounts at December 31, 2024 and 2023.