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,
                                                         2001
                                                      -----------
                                                      (Unaudited)
                                                     (In thousands)
                       ARTICLE 29
                                                
RULE #9 - INVESTMENTS IN SUBSIDIARIES AND OTHER
     INVESTEES AT EQUITY
     Head Office (Parent Company)                     $   793,920
     Subsidiaries and Affiliates                               --
     Eliminations/Other                                  (769,761)
                                                      -----------
       McDERMOTT INTERNATIONAL, INC                   $    24,159
                                                      ===========

RULE #25C - PARENT-COMPANY ACCOUNTS AND NOTES
  PAYABLE TO SUBSIDIARIES
     Head Office (Parent Company)                     $    53,588
     Eliminations/Other                                   (53,588)
                                                      -----------
McDERMOTT INTERNATIONAL, INC                          $        --
                                                      ===========

     ARTICLE 30

(c) - OPERATING EXPENSES BY SEGMENT
     Power Generation Systems                         $    51,434
     Marine Construction Services                         834,022
     Government Operations                                440,423
     Other Operations                                     589,397
     Eliminations                                            (538)
                                                      -----------
       McDERMOTT INTERNATIONAL, INC                   $ 1,914,738
                                                      ===========

RULE #40 - OPERATING REVENUES
     Head Office (Parent Company)                     $        --
     Subsidiaries and Affiliates                        1,969,806
     Eliminations/Other                                        --
                                                      -----------
       McDERMOTT INTERNATIONAL, INC                   $ 1,969,806
                                                      ===========
</Table>




                                                                       Continued

<Table>
<Caption>
                                                       Year Ended
                                                      December 31,
                                                         2001
                                                      -----------
                                                      (Unaudited)
                                                     (In thousands)
                       ARTICLE 29
                                                
     ARTICLE 30 - Continued

RULE #41 - OPERATING EXPENSES
     Head Office (Parent Company)                     $    22,974
     Subsidiaries and Affiliates                        1,900,577
                                                      -----------
       McDERMOTT INTERNATIONAL, INC                   $ 1,923,551
                                                      ===========

RULE #43 - DIVIDENDS RECEIVED
     Head Office (Parent Company)
       from Subsidiaries and Affiliates               $    26,900
     Subsidiaries and Affiliates
       from Other Corporations                             36,920
     Eliminations/Other                                   (26,900)
                                                      -----------
         McDERMOTT INTERNATIONAL, INC                 $    36,920
                                                      ===========

RULE #44 - INTEREST INCOME
     Head Office (Parent Company):
       from Subsidiaries and Affiliates               $       669
       from Other Corporations                              1,443
     Subsidiaries and Affiliates
       from Other Corporations                             18,118
     Eliminations                                            (669)
                                                      -----------
         McDERMOTT INTERNATIONAL, INC                 $    19,561
                                                      ===========

RULE #46 - OTHER MISCELLANEOUS REVENUES
     Gain on sale of subsidiary                       $    27,996
     Loss on Curtailment of Employee Benefit Plans         (4,000)
     Other Items - Net                                      6,825
                                                      -----------
       McDERMOTT INTERNATIONAL, INC                   $    30,821
                                                      ===========

RULE #51 - INVESTMENTS IN UNCONSOLIDATED
  AFFILIATES AT EQUITY
     Balance at December 31, 2000                     $    25,405
     Equity Income                                         34,304
     Dividends Received                                   (36,920)
     Other Changes                                          1,370
                                                      -----------
     Balance at December 31, 2001                     $    24,159
                                                      ===========
</Table>