EXHIBIT 99

                McDERMOTT INTERNATIONAL, INC. ADDITIONAL EXHIBITS
                       SUPPLEMENTARY FINANCIAL INFORMATION
            PREPARED IN ACCORDANCE WITH AND SOLELY FOR THE PURPOSE OF
            COMPLYING WITH CERTAIN PANAMANIAN SECURITIES REGULATIONS

<Table>
<Caption>
                                                                  Year Ended
                                                                 December 31,
                                                                     2002
                                                                -------------
                                                                 (Unaudited)
                                                                (In thousands)
                   ARTICLE 29

                                                              
RULE #9 - INVESTMENTS IN SUBSIDIARIES AND OTHER
     INVESTEES AT EQUITY
     Head Office (Parent Company)                                $  (204,271)
     Subsidiaries and Affiliates                                          --
     Eliminations/Other                                              215,815
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $    11,544
                                                                 ===========

RULE #25C - PARENT-COMPANY ACCOUNTS AND NOTES
     PAYABLE TO SUBSIDIARIES
     Head Office (Parent Company)                                $   171,350
     Eliminations/Other                                             (171,350)
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $        --
                                                                 ===========

     ARTICLE 30

(c)- OPERATING EXPENSES BY SEGMENT
     Power Generation Systems                                    $    49,706
     Marine Construction Services                                  1,310,667
     Government Operations                                           519,227
     Eliminations                                                        (68)
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $ 1,879,532
                                                                 ===========

RULE #40 - OPERATING REVENUES
     Head Office (Parent Company)                                $        --
     Subsidiaries and Affiliates                                   1,748,681
     Eliminations/Other                                                   --
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $ 1,748,681
                                                                 ===========
</Table>


                                                                       Continued


<Table>
<Caption>
                                                                  Year Ended
                                                                 December 31,
                                                                    2002
                                                                -------------
                                                                  (Unaudited)
                                                                (In thousands)
     ARTICLE 30 - Continued
                                                              
RULE #41 - OPERATING EXPENSES
     Head Office (Parent Company)                                $    17,356
     Subsidiaries and Affiliates                                   2,432,777
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $ 2,450,133

                                                                 ===========
RULE #43 - DIVIDENDS RECEIVED
     Head Office (Parent Company)
     from Subsidiaries and Affiliates                            $   100,000
     Subsidiaries and Affiliates
     from Other Corporations                                          34,848
     Eliminations/Other                                             (100,000)
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $    34,848
                                                                 ===========

RULE #44 - INTEREST INCOME
     Head Office (Parent Company):
     from Subsidiaries and Affiliates                            $       787
     from Other Corporations                                             816
     Subsidiaries and Affiliates
     from Other Corporations                                           7,744
     Eliminations                                                       (787)
                                                                 -----------
         McDERMOTT INTERNATIONAL, INC                            $     8,560
                                                                 ===========

RULE #46 - OTHER MISCELLANEOUS REVENUES
     Amortization of Tax Assets                                  $    (3,216)
     Minority Interest Expense                                        (2,459)
     Other Items - Net                                                 1,235
                                                                 -----------
       McDERMOTT INTERNATIONAL, INC                              $    (4,440)
                                                                 ===========

RULE #51 - INVESTMENTS IN UNCONSOLIDATED AFFILIATES AT EQUITY
     Balance at December 31, 2001                                $    20,995
     Equity Income                                                    27,692
     Dividends Received                                              (34,848)
     Other Changes                                                    (2,295)
                                                                 -----------
     Balance at December 31, 2002                                $    11,544
                                                                 ===========
</Table>