To be eligible to enroll in Part 401(a), you must be enrolled in Part 403(b).

MITRE contributes 7.5% of your base salary up to the Social Security Wage Base, and 10.5% of your base salary over the Social Security Wage Base. These matching contributions, known as "Part B1 MITRE Basic Contributions," begin after you have performed 12 months of credited service. Rehired employees with 12 months of credited service are eligible to receive Part B1 contributions immediately.

You are immediately 100% vested in Part B1 contributions and any earnings on them.

You are generally allowed to withdraw money from your plan when you leave your employer or retire.

For more information, call the Fidelity Retirement Benefits Line at 1-800-343-0860.

If you have an account with TIAA, you can call 800-842-2252.

If you have retirement savings in another employer's plan or in an IRA, consolidating accounts may help make it easier to manage your savings but there are several options. Be sure to consider all your available options and the applicable fees and features of each before moving your retirement assets.

If you're not sure about the best option for you, talk to a Fidelity or TIAA representative today. They can explain each option in greater detail so you can make the best choice for your specific needs.

Fidelity: Call the Fidelity Retirement Benefits Line at 1-800-343-0860 or log in to your account by going to www.netbenefits.com.

TIAA: Call 800-842-2252 or log in to your account at www.tiaa.org/public.

Upon enrollment in the plan, your beneficiary is defaulted in accordance with plan provisions (your surviving spouse; if none, to your children per stirpes; if none, to your estate). Your beneficiary will remain as the default unless you elect otherwise. You may, however, change your beneficiary at any time, by calling the Fidelity Retirement Benefits Line at 1-800-343-0860 to request a beneficiary designation form. Your beneficiary or beneficiaries will inherit your account in the event of your death. You should consider updating the beneficiary information if you experience a life-changing event such as a marriage, divorce, birth of a child, or death in the family.

TIAA: Call 800-842-2252 or log in to your account at www.tiaa.org/public.

Online, on the phone, or in person, you have access to your account the way you want it. Log in to NetBenefits^® virtually 24/7 or call Fidelity at 1-800-343-0860 to speak with a representative or use the automated voice response system.

TIAA: Call 800-842-2252 or log in to your account at www.tiaa.org/public.

Now is a great time to schedule an appointment to discuss your goals for retirement.

For confidential consultations with Fidelity, call 800-343-0860 or go to Contact us > Meet with a professional.

For confidential consultations with TIAA, call 800-732-8353 or go to www.tiaa.org/public/support/contact-tiaa/consultations-seminars.