Skip to Content Skip to Search Skip to Utility Navigation Skip to Top Navigation Skip to Content Navigation
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

Visit Blogger Join Us on Facebook Follow Us on Twitter See our Flickr Photos Watch Our YouTube Videos Find Us on LinkedIn Find Us on iTunesFind Us on GooglePlayFind Us on Instagram