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Los Alamos National Laboratory

Los Alamos National Laboratory

Delivering science and technology to protect our nation and promote world stability

Benefits Plan Reports & Notices

Employees and retirees are the building blocks of the Lab's success. Our employees get to contribute to the most pressing issues facing the nation.Retiree health and welfare benefits are managed by AonHewitt and Associates.


As an employer offering ERISA compliant benefit plans, LANS is required to provide notices and reports to employees throughout the course of the year. Generally, the reports are informational only, and no action is required on the part of the employee.

Questions regarding these reports may be directed to the Benefit Operations Team.

Annual IRS 5500 Return Report Forms

Annual Funding Notices/Summary Annual Reports

Summaries of the annual report for LANS 401(k) Savings Plan and Defined Benefits Plan (TCP1), LANS 401(K) Retirement Plan (TCP2), and the LANS Health & Welfare Plans (Plan 501) are mailed to corresponding participants for informational and compliance purposes. The summaries provide an overview of each plan's financial activity from January 1 through December 31 as required under ERISA.

Additional notifications

Innovations for a secure nation

Four Los Alamos projects selected as R&D 100 Award finalists

Four Los Alamos projects selected as R&D 100 Award finalists

Finalists include X-ray imaging, pipe corrosion, data handling and damage-detection software  

» All Innovations


Contact LANL

Mailing Address
P.O. Box 1663
Los Alamos, NM 87545

Journalist Queries
Communications Office
(505) 667-7000

Directory Assistance
(505) 667-5061

All Contacts, Media

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