MONY VARIABLE ACCOUNT L, 497, 1999-11-05

MONY VARIABLE ACCOUNT L
497, 1999-11-05

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<PAGE>   1

                       SUPPLEMENT DATED NOVEMBER 1, 1999
                                       to

                          PROSPECTUS DATED MAY 1, 1999
                                      for

                Flexible Premium Variable Life Insurance Policy

                                   Issued by

                          MONY Life Insurance Company
                            MONY Variable Account L

EFFECTIVE NOVEMBER 1, 1999 THIS SUPPLEMENT UPDATES CERTAIN INFORMATION CONTAINED
IN YOUR PROSPECTUS. PLEASE READ IT AND KEEP IT WITH YOUR PROSPECTUS FOR FUTURE
REFERENCE.

 1. PAGE 15 OF THE PROSPECTUS IS AMENDED TO CHANGE THE INVESTMENT SUB-ADVISER
    FOR THE EQUITY PORTFOLIO TO TCW FUNDS MANAGEMENT, INC.

 2. PAGE 16 OF THE PROSPECTUS IS AMENDED TO ADD SANFORD C. BERNSTEIN & CO., INC.
    AS THE INVESTMENT CO-SUB-ADVISER FOR THE MANAGED PORTFOLIO.

                                                      Registration No. 333-01581