Kaiser Group Holdings, Inc. is a Delaware holding company with its corporate headquarters located at 9300 Lee Highway, Fairfax, Virginia. Kaiser Group Holdings, Inc. was formed on December 6, 2000 for the purpose of owning all of the outstanding stock of Kaiser Group International, Inc. Kaiser Group International, Inc. owns the stock of a number of subsidiaries including: (1) a 50% ownership in Kaiser-Hill Company, LLC; and (2) a 100% ownership in Monument Select Insurance Company.

Kaiser-Hill Company, LLC (“Kaiser-Hill”) currently serves as the general contractor performing closure activities at the U.S. Department of Energy’s Rocky Flats site near Denver, Colorado. Kaiser-Hill has performed since 1995 at this site, a former Department of Energy (“DOE”) nuclear weapons production facility. On October 13, 2005, Kaiser-Hill declared physical completion of the cleanup and closure of the Rocky Flats site. Subsequently, the DOE affirmed Kaiser-Hill’s declaration. Kaiser-Hill now operates under the close-out phase of the Closure Contract, primarily resolving administrative issues and providing support to the DOE to achieve regulatory closure of the Rocky Flats site. The close-out phase is cost reimbursable and is not fee-bearing.

Monument Select Insurance Company (“MSIC”) is a wholly-owned captive insurance firm that is not at this time issuing new policies. However, a new subsidiary of MSIC, MS Builders Insurance Company, has been formed to enable MSIC to offer derivative captive insurance services to third party clients.

Kaiser Group Holdings, Inc. Common Stock is currently quoted on the Pink Sheets Electronic Quotation Service (“Pink Sheets”) under the symbol “KGHI”. The Pink Sheets is a centralized quotation service that collects and publishes market maker quotes in real time, primarily through its website, www.pinksheets.com.