WORKERS' COMPENSATION INSURANCE RATING BUREAU

Of California
525 MARKET STREET, SUITE 800   
  SAN FRANCISCO, CA 94105-2716

Telephone (415) 777-0777

May 7, 2003

WCIRB MEMBERSHIP NOTICE

RE: UNIT STATISTICAL REPORTING

SUPERIOR NATIONAL INSURANCE COMPANIES

TO THE HOME OFFICE OF ALL BUREAU MEMBERS:

On September 26, 2000, the Superior Court for Los Angeles County appointed the
California Insurance Commissioner as liquidator of California Compensation Insurance
Company, Combined Benefits Insurance Company, Commercial Compensation Casualty
Company (successor in merger with Commercial Compensation Casualty Company), Superior
National Insurance Company, and Superior Pacific Insurance Company, collectively the
"Superior National Insurance Companies in Liquidation." Since that time, the California
Department of Insurance Conservation and Liquidation Office (CLO) has submitted unit
statistical reports on behalf of these companies.

In a letter dated April 11, 2003, the CLO advised the WCIRB that after the submission of
unit statistical reports valued as of May 31, 2003, no further unit statistical reports will be
submitted on behalf of the Superior National Insurance Companies in Liquidation. Accordingly,
the WCIRB will not receive the (a) first and subsequent unit statistical reports for policies
incepting on and after December 1, 2001; (b) second and subsequent unit statistical reports for
policies incepting on and after December 1, 2000; and (c) third and subsequent unit statistical
reports for policies incepting on and after December 1, 1999. In addition, the CLO bas advised
that effective June 30, 2003, no further unit statistical corrections will be forthcoming for any
previously filed unit statistical reports.

In accordance with Section III, Rule 3(f), of the California Workers' Compensation
Experience Rating Plan,
experience ratings effective on or after December 1, 2003, will exclude
experience that was developed under policies written by the Superior National Insurance
Companies in Liquidation that was not submitted on a timely basis in accordance with the
California Workers' Compensation Uniform Statistical Reporting Plan. Experience ratings
issued pursuant to this rule will include an explanatory footnote.

Questions regarding this notice should be directed to the WCIRB Customer Service
Department at (888) 229-2472.

ROBERT G. MIKE
President

Attachments: Letter from the California Department of Insurance
Conservation and Liquidation Office