NOBLE DRILLING CORP
10-K/A, 1996-06-28
DRILLING OIL & GAS WELLS
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<PAGE>   1

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C.  20549

                                  FORM 10-K/A
                                AMENDMENT NO. 1

/X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF
             THE SECURITIES EXCHANGE ACT OF 1934 (FEE REQUIRED)

                  FOR THE FISCAL YEAR ENDED DECEMBER 31, 1995

/ / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF
             THE SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)

          FOR THE TRANSITION PERIOD FROM ___________ TO _____________

                        COMMISSION FILE NUMBER: 0-13857

                           NOBLE DRILLING CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)


            DELAWARE                                  73-0374541
    (STATE OF INCORPORATION)          (I.R.S.  EMPLOYER IDENTIFICATION NUMBER)


             10370 RICHMOND AVENUE, SUITE 400, HOUSTON, TEXAS 77042
              (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 974-3131
          SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:


            NONE
    TITLE OF EACH CLASS             NAME OF EACH EXCHANGE ON WHICH REGISTERED

SECURITIES REGISTERED PURSUANT TO SECTION 12(G) OF THE ACT:

                     COMMON STOCK, PAR VALUE $.10 PER SHARE
          $1.50 CONVERTIBLE PREFERRED STOCK, PAR VALUE $1.00 PER SHARE
                        PREFERRED STOCK PURCHASE RIGHTS
                                (TITLE OF CLASS)

     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  Yes /x/ No / /

     Indicated by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K.  /x/

     Aggregate market value of Common Stock held by nonaffiliates as of March
4, 1996: $770,050,560

     Number of shares of Common Stock outstanding as of March 4, 1996:
94,462,850

                      DOCUMENTS INCORPORATED BY REFERENCE

     Listed below are documents parts of which are incorporated herein by
reference and the part of this report into which the document is incorporated:

     (1) Proxy statement for the 1996 annual meeting of stockholders -  
Part III

<PAGE>   2


     Item 14 of Noble Drilling Corporation's Annual Report on Form 10-K for the
year ended December 31, 1995 (the "1995 Form 10-K") is amended to reflect the
filing herewith as new Exhibit 99.1 of the financial statements required by
Form 11-K for the fiscal year ended December 31, 1995 with respect to the Noble
Drilling Corporation Thrift Plan, and such Item 14 is restated as set forth on
the following page.

     The Index to Exhibits to the 1995 Form 10-K is restated in its entirety
following the signature page hereto in order to reflect the inclusion therein,
and the filing herewith, of Exhibit 99.1

<PAGE>   3

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

     (a) The following documents are filed as part of this report:

         (1)  A list of the financial statements filed as a part of this
              report is set forth in Item 8 on page 18 and is incorporated
              herein by reference.
        
         (2)  Financial Statement Schedules:

              All schedules are omitted because they are either not applicable
              or the required information is shown in the financial statements
              or notes thereto.
        
         (3)  Exhibits:

              The information required by this Item 14(a)(3) is set forth in
              the Index to Exhibits accompanying this Annual Report on Form
              10-K.
        
         (4)  Financial Statements required by Form 11-K for the fiscal
              year ended December 31, 1995 with respect to the Noble Drilling
              Corporation Thrift Plan are filed as Exhibit 99.1 hereto.
        
     (b) No reports on Form 8-K were filed by the Registrant during the quarter
         ended December 31, 1995.



<PAGE>   4


                                 SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.




                                           NOBLE DRILLING CORPORATION




                                           By:      /s/ JAMES C. DAY
Date: June 28, 1996                        -----------------------------------
                                            James C. Day, Chairman, President 
                                               and Chief Executive Officer


<PAGE>   5


                               INDEX TO EXHIBITS


EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

 2.1          -  Assets Purchase Agreement dated as of August 20, 1993 (the
                 "Western Assets Purchase Agreement"), between the Registrant
                 and The Western Company of North America (filed as Exhibit 2.1
                 to the Registrant's Registration Statement on Form S-3 (No.
                 33-67130) and incorporated herein by reference).

 2.2          -  Agreement dated as of October 7, 1993, among the Registrant,
                 Noble Drilling (U.S.) Inc., Noble International Limited, The
                 Western Company of North America and Offshore International
                 Ltd., amending the Western Assets Purchase Agreement (filed as
                 Exhibit 2.2 to the Registrant's Form 8-K dated October 15,
                 1993 and incorporated herein by reference).

 2.3          -  Exchange Agreement dated as of June 4, 1993, by and among the
                 Registrant, Grasso Corporation, Offshore Logistics, Inc.,
                 PPI-Seahawk, Inc.  and Noble Production Services Inc.  (filed
                 as Exhibit 2.2 to the Registrant's Registration Statement on
                 Form S-3 (No.  33-67130) and incorporated herein by
                 reference).

 2.4          -  Amendment No.  1 dated October 29, 1993 to the Exchange
                 Agreement by and among the Registrant, Grasso Corporation,
                 Offshore Logistics, Inc., PPI-Seahawk Services, Inc.  and
                 Noble Production Services Inc.  (filed as Exhibit 2.4 to the
                 Registrant's Annual Report on Form 10-K for the year ended
                 December 31, 1993 and incorporated herein by reference).

 2.5          -  Assets Purchase Agreement dated as of August 20, 1993 (the
                 "Portal Assets Purchase Agreement"), between the Registrant
                 and Portal Rig Corporation (filed as Exhibit 2.3 to the
                 Registrant's Registration Statement on Form S-3 (No.
                 33-67130) and incorporated herein by reference).

 2.6          -  Agreement dated as of October 25, 1993, among the Registrant,
                 Noble (Gulf of Mexico) Inc.  and Portal Rig Corporation,
                 amending the Portal Assets Purchase Agreement (filed as
                 Exhibit 2.5 to the Registrant's Quarterly Report on Form 10-Q
                 for the three-month period ended September 30, 1993 and
                 incorporated herein by reference).

 2.7          -  Assignment and Assumption Agreement made as of October 28,
                 1993 by and between Noble Production Management Inc., Noble
                 Production Services Inc., OLOG Production Management Inc.,
                 PPI-Seahawk Services, Inc.  and Grasso Corporation (filed as
                 Exhibit 2.7 to the Registrant's Annual Report on Form 10-K for
                 the year ended December 31, 1993 and incorporated herein by
                 reference).

 2.8          -  Stock Purchase Agreement dated April 22, 1994 among Joseph E.
                 Beall, George H.  Bruce, Triton Engineering Services Company
                 and the Registrant (filed as Exhibit 2.1 to the Registrant's
                 Form 8-K dated May 6, 1994 and incorporated herein by
                 reference).


 2.9          -  Agreement and Plan of Merger dated June 13, 1994 among the
                 Registrant, Chiles Offshore Corporation and Noble Offshore
                 Corporation (filed as Appendix I to the joint proxy
                 statement/prospectus of the Registrant and Chiles Offshore
                 Corporation dated August 12, 1994 constituting Part I of the
                 Registration Statement on Form S-4 (No.  33-54495) and
                 incorporated herein by reference).
        
<PAGE>   6


EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

 2.10    -        Letter of Intent dated March 13, 1996 among the Registrant,
                  Neddrill Holding B.V.  and Royal Nedlloyd N.V.

 3.1     -        Restated Certificate of Incorporation of the Registrant dated
                  August 29, 1985 (filed as Exhibit 3.7 to the Registrant's
                  Registration Statement on Form 10 (No.  0-13857) and
                  incorporated herein by reference).

 3.2     -        Certificate of Amendment of Restated Certificate of
                  Incorporation of the Registrant dated May 5, 1987 (filed as
                  Exhibit 4.2 to the Registrant's Registration Statement on
                  Form S-3 (No.  33-67130) and incorporated herein by
                  reference).

 3.3     -        Certificate of Amendment of Restated Certificate of
                  Incorporation of the Registrant dated June 1, 1987 (filed as
                  Exhibit 4.3 to the Registrant's Registration Statement on
                  Form S-3 (No.  33-67130) and incorporated herein by
                  reference).

 3.4     -        Certificate of Amendment of Restated Certificate of
                  Incorporation of the Registrant dated April 28, 1988 (filed
                  as Exhibit 3.12 to the Registrant's Annual Report on Form
                  10-K for the year ended December 31, 1988 and incorporated
                  herein by reference).

 3.5     -        Certificate of Amendment of Restated Certificate of
                  Incorporation of the Registrant dated April 27, 1989 (filed
                  as Exhibit 3.13 to the Registrant's Annual Report on Form
                  10-K for the year ended December 31, 1989, as amended, and
                  incorporated herein by reference).

 3.6     -        Certificate of Amendment of Certificate of Incorporation of
                  the Registrant dated August 1, 1991 (filed as Exhibit 3.16 to
                  the Registrant's Annual Report on Form 10-K for the year
                  ended December 31, 1991 and incorporated herein by
                  reference).

 3.7     -        Certificate of Designations of $2.25 Convertible Exchangeable
                  Preferred Stock, par value $1.00 per share, of the
                  Registrant, dated as of November 18, 1991 (filed as Exhibit
                  3.17 to the Registrant's Annual Report on Form 10-K for the
                  year ended December 31, 1991 and incorporated herein by
                  reference).

 3.8     -        Certificate of Designations of $1.50 Convertible Preferred
                  Stock, par value of $1.00 per share, of the Registrant, dated
                  as of September 15, 1994 (filed as Exhibit 3.8 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1994 and incorporated herein by reference).

 3.9     -        Certificate of Amendment of Certificate of Incorporation of
                  the Registrant dated September 15, 1994 (filed as Exhibit 3.1
                  to the Registrant's Quarterly Report on Form 10-Q for the
                  three-month period ended March 31, 1995 and incorporated
                  herein by reference).

 3.10    -        Certificate of Elimination of shares of $2.25 Convertible
                  Exchangeable Preferred Stock of the Registrant dated June 8,
                  1995 (filed as Exhibit 3.1 to the Registrant's Quarterly
                  Report on Form 10-Q for the three-month period ended June 30,
                  1995 and incorporated herein by reference).


<PAGE>   7

EXHIBIT
NUMBER                             EXHIBIT

- --------------------------------------------------------------------------------

 3.11    -        Certificate of Designations of Series A Junior Participating
                  Preferred Stock, par value $1.00 per share, of the Registrant
                  dated as of June 29, 1995 (filed as Exhibit 3.2 to the
                  Registrant's Quarterly Report on Form 10-Q for the
                  three-month period ended June 30, 1995 and incorporated
                  herein by reference).

 3.12    -        Composite copy of the Bylaws of the Registrant as currently
                  in effect (filed as Exhibit 3.4 to the Registrant's Quarterly
                  Report on Form 10-Q for the three-month period ended June 30,
                  1995 and incorporated herein by reference).

 4.1     -        Indenture governing the Senior Notes (filed as Exhibit 4.1 to
                  the Registrant's Quarterly Report on Form 10-Q for the
                  three-month period ended September 30, 1993 and incorporated
                  herein by reference).

 4.2     -        Form of Senior Notes (included in Section 2.02 of the
                  Indenture filed as Exhibit 4.1 to the Registrant's Quarterly
                  Report on Form 10-Q for the three-month period ended
                  September 30, 1993 and incorporated herein by reference).

 4.3     -        Rights Agreement dated as of June 28, 1995 between the
                  Registrant and Liberty Bank and Trust Company of Oklahoma
                  City, N.A.  (filed as Exhibit 4 to the Registrant's Form 8-K
                  dated June 30, 1995 and incorporated herein by reference).

10.1     -        Amended and Restated Noble-National Joint Venture Partnership
                  Agreement between the Registrant and National Enerdrill
                  Corporation dated December 7, 1990 (filed as Exhibit 10.4 to
                  the Registrant's Annual Report on Form 10-K for the year
                  ended December 31, 1990 and incorporated herein by
                  reference).

10.2     -        Limited Partnership Agreement between the Registrant and
                  National Enerdrill Corporation dated as of January 16, 1992
                  (filed as Exhibit 10.5 to the Registrant's Annual Report on
                  Form 10-K for the year ended December 31, 1991 and
                  incorporated herein by reference).

10.3     -        Certificate of Limited Partnership of NN-1 Limited
                  Partnership (filed as Exhibit 10.6 to the Registrant's Annual
                  Report on Form 10-K for the year ended December 31, 1991 and
                  incorporated herein by reference).

10.4*    -        Noble Drilling Corporation 1991 Stock Option and Restricted
                  Stock Plan (as amended and restated through September 15,
                  1994) (filed as Exhibit 10.1 to the Registrant's Form 8-K
                  dated December 8, 1994 and incorporated herein by reference).

10.5*    -        Noble Drilling Corporation 1987 Stock Option Plan (filed as
                  Exhibit 10.7 to the Registrant's Annual Report on Form 10-K
                  for the year ended December 31, 1986, as amended, and
                  incorporated herein by reference).

10.6*    -        Noble Drilling Corporation Thrift Trust Agreement (filed as
                  Exhibit 4.2 to the Registrant's Registration Statement on
                  Form S-8 (No.  33-18966) and incorporated herein by
                  reference).


<PAGE>   8

EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

10.7*    -        Amendment No.  1 to the Noble Drilling Corporation Thrift
                  Trust dated January 27, 1992 (filed as Exhibit 10.11 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1991 and incorporated herein by reference).

10.8*    -        Noble Drilling Corporation Thrift Plan, as amended and
                  restated, dated July 27, 1989 (filed as Exhibit 10.12 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1991 and incorporated herein by reference).

10.9*    -        Amendment No.  1 to the Noble Drilling Corporation Thrift
                  Plan dated February 13, 1992 (filed as Exhibit 10.13 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1991 and incorporated herein by reference).

10.10*   -        Directors' Option Agreements dated October 29, 1987, between
                  the Registrant and each of Michael A.  Cawley, Johnnie W.
                  Hoffman and John F.  Snodgrass (filed as Exhibit 10.11 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1988 and incorporated herein by reference).

10.11    -        Registration Rights Agreement dated as of January 29, 1988
                  between the Registrant and General Electric Capital
                  Corporation (filed as a part of Exhibit 2.1 to the
                  Registrant's Current Report on Form 8-K dated February 11,
                  1988 and incorporated herein by reference).

10.12    -        First Amendment to Registration Rights Agreement dated as of
                  February 5, 1993 between the Registrant and General Electric
                  Capital Corporation (filed as Exhibit 10.19 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1992 and incorporated herein by reference).

10.13    -        Guarantee Agreement dated as of August 10, 1989 between the
                  Registrant and The Royal Bank of Canada (filed as Exhibit
                  10.28 to the Registrant's Annual Report on Form 10-K for the
                  year ended December 31, 1989, as amended, and incorporated
                  herein by reference).

10.14    -        Credit Agreement dated as of October 29, 1990 between Noble
                  Drilling (Canada) Ltd.  and The Royal Bank of Canada (filed
                  as Exhibit 10.27 to the Registrant's Annual Report on Form
                  10-K for the year ended December 31, 1991 and incorporated
                  herein by reference).

10.15    -        Letter Agreement amending the Credit Agreement between Noble
                  Drilling (Canada) Ltd.  and The Royal Bank of Canada dated
                  October 25, 1993 (filed as Exhibit 10.18 to the Registrant's
                  Annual Report on Form 10-K for the year ended December 31,
                  1993 and incorporated herein by reference).

10.16    -        Credit Agreement dated as of October 29, 1990 between Noble
                  Enterprises Limited and The Royal Bank of Canada (filed as
                  Exhibit 10.30 to the Registrant's Annual Report on Form 10-K
                  for the year ended December 31, 1991 and incorporated herein
                  by reference).


<PAGE>   9

EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

10.17    -        Letter Agreement amending the Credit Agreement between Noble
                  Enterprises Limited and The Royal Bank of Canada dated
                  October 25, 1993 (filed as Exhibit 10.21 to the Registrant's
                  Annual Report on Form 10-K for the year ended December 31,
                  1993 and incorporated herein by reference).

10.18    -        Guarantee and Subordination Agreement dated as of July 30,
                  1992 between the Registrant and The Royal Bank of Canada
                  (filed as Exhibit 10.34 to the Registrant's Annual Report on
                  Form 10-K for the year ended December 31, 1992 and
                  incorporated herein by reference).

10.19*   -        Amendment No.  2 to the Noble Drilling Corporation Thrift
                  Plan dated effective as of August 1, 1992 (filed as Exhibit
                  4.2 to the Registrant's Registration Statement on Form S-8
                  (No.  33-50270) and incorporated herein by reference).

10.20    -        Amended and Restated Letter of Credit Agreement, dated as of
                  October 25, 1993, among Portal Rig Corporation, Noble (Gulf
                  of Mexico) Inc., NationsBank of Texas, N.A., as agent and as
                  one of the "Banks" thereunder, and Marine Midland Bank, N.A.,
                  Bank of America National Trust and Savings Association, and
                  Norwest Bank Minnesota, National Association (collectively,
                  the "Banks") (filed as Exhibit 10.1 to the Registrant's
                  Quarterly Report on Form 10-Q for the three-month period
                  ended September 30, 1993 and incorporated herein by
                  reference).

10.21    -        Assignment, Assumption and Amended and Restated Preferred
                  Ship Mortgage, dated October 25, 1993, by Noble (Gulf of
                  Mexico) Inc.  to the Banks (filed as Exhibit 10.2 to the
                  Registrant's Quarterly Report on Form 10-Q for the
                  three-month period ended September 30, 1993 and incorporated
                  herein by reference).

10.22    -        Security Agreement and Assignment, dated October 25, 1993, by
                  Noble (Gulf of Mexico) Inc.  to the Banks (filed as Exhibit
                  10.3 to the Registrant's Quarterly Report on Form 10-Q for
                  the three-month period ended September 30, 1993 and
                  incorporated herein by reference).

10.23    -        Noble Support Agreement, dated October 25, 1993, among the
                  Registrant and the Banks (filed as Exhibit 10.4 to the
                  Registrant's Quarterly Report on Form 10-Q for the
                  three-month period ended September 30, 1993 and incorporated
                  herein by reference).

10.24*   -        Noble Drilling Corporation 1992 Nonqualified Stock Option
                  Plan for Non-Employee Directors (filed as Exhibit 4.1 to the
                  Registrant's Registration Statement on Form S-8 (No.
                  33-62394) and incorporated herein by reference).

10.25*   -        Amendment No.  3 to the Noble Drilling Corporation Thrift
                  Plan dated effective as of January 1, 1994 (filed as Exhibit
                  10.31 to the Registrant's Annual Report on Form 10-K for the
                  year ended December 31, 1993 and incorporated herein by
                  reference).


10.26    -        Registration Agreement dated April 22, 1994 between the 
                  Registrant and Joseph E.  Beall (filed as Exhibit 10.1 to the
                  Registrant's Form 8-K dated May 6, 1994 and incorporated
                  herein by reference).
        
<PAGE>   10


EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

10.27    -        Employment Agreement dated April 22, 1994 between Triton
                  Engineering Services Company and Joseph E.  Beall (filed as
                  Exhibit 10.2 to the Registrant's Form 8-K dated May 6, 1994
                  and incorporated herein by reference).

10.28    -        Lease Indemnity Agreement dated April 22, 1994 among Joseph
                  E.  Beall, Triton Engineering Services Company, 1201 Dairy
                  Ashford Ltd.  and the Registrant (filed as Exhibit 10.3 to
                  the Registrant's Form 8-K dated May 6, 1994 and incorporated
                  herein by reference).

10.29    -        Credit Agreement dated as of June 16, 1994 among the
                  Registrant, First Interstate Bank of Texas, N.A., in its
                  individual capacity and as agent, and Credit Lyonnais Cayman
                  Island Branch (filed as Exhibit 10.1 to the Registrant's
                  Registration Statement on Form S-4 (No.  33-54495) and
                  incorporated herein by reference).

10.30    -        Revolving Credit Note dated June 16, 1994 of the Registrant
                  in the amount of $12,500,000 in favor of Credit Lyonnais
                  Cayman Island Branch (filed as Exhibit 10.2 to the
                  Registrant's Registration Statement on Form S-4 (No.
                  33-54495) and incorporated herein by reference).

10.31    -        Revolving Credit Note dated June 16, 1994 of the Registrant
                  in the amount of $12,500,000 in favor of First Interstate
                  Bank of Texas, N.A.  (filed as Exhibit 10.3 to the
                  Registrant's Registration Statement on Form S-4 (No.
                  33-54495) and incorporated herein by reference).

10.32    -        Guaranty Agreement dated as of June 16, 1994 by and among
                  Noble Drilling (U.S.) Inc., Noble Drilling (West Africa) Inc.
                   and Noble Drilling (Mexico) Inc.  (filed as Exhibit 10.4 to
                  the Registrant's Registration Statement on Form S-4 (No.
                  33-54495) and incorporated herein by reference).

10.33    -        Registration Rights Agreement dated as of September 15, 1994
                  between the Registrant and P.A.J.W.  Corporation (filed as
                  Exhibit 10.1 to the Registrant's Form 10-Q for the quarter
                  ended September 30, 1994 and incorporated herein by
                  reference).

10.34    -        Severance Agreement dated as of July 1, 1993 between Noble
                  Offshore Corporation (as successor by merger to Chiles
                  Offshore Corporation) and C.R.  Bearden (filed as Exhibit
                  10.2 to the Registrant's Form 10-Q for the quarter ended
                  September 30, 1994 and incorporated herein by reference).

10.35*   -        Amendment No.  2 to the Noble Drilling Corporation Thrift
                  Trust dated June 24, 1994 (filed as Exhibit 10.42 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1994 and incorporated herein by reference).

10.36*   -        Amendment No.  4 to the Noble Drilling Corporation Thrift
                  Plan dated December 30, 1994 (filed as Exhibit 10.43 to the
                  Registrant's Form 10-K/A (Amendment No.  1) for the year
                  ended December 31, 1994 and incorporated herein by
                  reference).


10.37*   -        Amendment No.  1 to the Noble Drilling Corporation 1992 
                  Nonqualified Stock Option Plan for Non-Employee Directors
                  dated as of July 28, 1994 (filed as Exhibit 10.44 to the
                  Registrant's Annual Report on Form 10-K for the year ended
                  December 31, 1994 and incorporated herein by
                  reference).
<PAGE>   11

EXHIBIT
NUMBER                             EXHIBIT
- --------------------------------------------------------------------------------

10.38    -        Guarantee dated August 26, 1994 between the Registrant and
                  Hibernia Management and Development Company Ltd.  (filed as
                  Exhibit 10.45 to the Registrant's Annual Report on Form 10-K
                  for the year ended December 31, 1994 and incorporated herein
                  by reference).

10.39*   -        Noble Drilling Corporation Amended and Restated Thrift
                  Restoration Plan (filed as Exhibit 10.46 to the Registrant's
                  Annual Report on Form 10-K for the year ended December 31,
                  1994 and incorporated herein by reference).

10.40*   -        Amendment No.  4 to the Noble Drilling Corporation Thrift
                  Plan, as in effect as of August 1, 1994, dated December 30,
                  1994 (filed as Exhibit 10.47 to the Registrant's Annual
                  Report on Form 10-K/A (Amendment No.  1) for the year ended
                  December 31, 1994 and incorporated herein by reference).

10.41*   -        Amendment No.  5 to the Noble Drilling Corporation Thrift
                  Plan, dated effective as of May 1, 1995 (filed as Exhibit
                  10.1 to the Registrant's Quarterly Report on Form 10-Q for
                  the three-month period ended March 31, 1995 and incorporated
                  herein by reference).

10.42*   -        Noble Drilling Corporation Retirement Restoration Plan dated
                  April 27, 1995 (filed as Exhibit 10.2 to the Registrant's
                  Quarterly Report on Form 10-Q for the three-month period
                  ended March 31, 1995 and incorporated herein by reference).

10.43*   -        Noble Drilling Corporation Short-Term Incentive Plan (revised
                  April 1995).

10.44    -        First Amendment dated as of June 30, 1995 to Credit Agreement
                  dated as of June 16, 1994 among the Registrant, First
                  Interstate Bank of Texas, N.A., in its individual capacity
                  and as Agent, and  Credit Lyonnais Cayman Island Branch.

10.45    -        Second Amendment dated as of February 28, 1996 to Credit
                  Agreement dated as of June 16, 1994 among the Registrant,
                  First Interstate Bank of Texas, N.A., in its individual
                  capacity and as Agent, and  Credit Lyonnais Cayman Island
                  Branch.

10.46*   -        Form of Indemnity Agreement entered into between the
                  Registrant and each of the Registrant's directors and bylaw
                  officers.

21.1     -        Subsidiaries of the Registrant.

23.1     -        Consent of Price Waterhouse LLP.

23.2     -        Consent of Arthur Andersen LLP.

27       -        Financial Data Schedule.

99.1     -        Financial Statements required by Form 11-K for the fiscal
                  year ended December 31, 1995 with respect to the Noble
                  Drilling Corporation Thrift Plan (including consent of Price
                  Waterhouse LLP regarding the incorporation by reference
                  thereof).


*    Management contract or compensatory plan or arrangement required to be
     filed as an exhibit hereto.


<PAGE>   1
                                                                    EXHIBIT 99.1



                     NOBLE DRILLING CORPORATION THRIFT PLAN




                FINANCIAL STATEMENTS AND ADDITIONAL INFORMATION

                           DECEMBER 31, 1995 AND 1994


<PAGE>   2






                   NOBLE DRILLING CORPORATION THRIFT PLAN
            INDEX TO FINANCIAL STATEMENTS AND ADDITIONAL INFORMATION

                                                                              
                                                                              
<TABLE>                                                                       
<CAPTION>
                                                                                       PAGE  
<S>                                                                                  <C>     
REPORT OF INDEPENDENT ACCOUNTANTS                                                        3   
                                                                                             
                                                                                             
FINANCIAL STATEMENTS                                                                         
                                                                                             
            Statements of net assets available                                               
            for benefits at December 31, 1995 and 1994                                   4   
                                                                                             
            Statements of changes in net assets available                                    
            for benefits for the years ended                                                 
            December 31, 1995 and 1994                                                   5   
                                                                                             
            Notes to Financial Statements                                             6-14   
                                                                                             
                                                                                             
                                                                                             
ADDITIONAL INFORMATION*                                                                      
                                                                                             
Form 5500 - Item 27(a) - Schedule of assets held for investment purposes at                  
            December 31, 1995 (Schedule I)                                           15-16   
                                                                                             
Form 5500 - Item 27(d) - Schedule of reportable transactions for the year ended              
            December 31, 1995 (Schedule II)                                             17   
</TABLE>


* Other schedules required by Section 2520.103-10 of the Department of Labor
Rules and Regulations for Reporting and Disclosure under ERISA have been
omitted since they are not applicable.





                                       2
<PAGE>   3




                       REPORT OF INDEPENDENT ACCOUNTANTS



   To the Employee Benefits Committee of
   the Noble Drilling Corporation Thrift Plan


   In our opinion, the accompanying statements of net assets available
   for benefits and the related statements of changes in net assets
   available for benefits present fairly, in all material respects, the
   net assets available for benefits of the Noble Drilling Corporation
   Thrift Plan at December 31, 1995 and 1994, and the changes in net
   assets available for benefits for the years then ended, in
   conformity with generally accepted accounting principles.  These
   financial statements are the responsibility of the plan's
   management; our responsibility is to express an opinion on these
   financial statements based on our audits. We conducted our audits of
   these statements in accordance with generally accepted auditing
   standards which require that we plan and perform the audit to obtain
   reasonable assurance about whether the financial statements are free
   of material misstatement.  An audit includes examining, on a test
   basis, evidence supporting the amounts and disclosures in the
   financial statements, assessing the accounting principles used and
   significant estimates made by management, and evaluating the overall
   financial statement presentation.  We believe that our audits
   provide a reasonable basis for the opinion expressed above.


   Our audits were made for the purpose of forming an opinion on the
   basic financial statements taken as a whole.  The additional
   information included in Schedules I and II is presented for purposes
   of additional analysis and is not a required part of the basic
   financial statements but is additional information required by
   ERISA. Such information has been subjected to the auditing
   procedures applied in the audit of the basic financial statements
   and, in our opinion, is fairly stated in all material respects in
   relation to the basic financial statements taken as a whole.



   PRICE WATERHOUSE LLP
   Houston, Texas
   June 27, 1996




                                       3


<PAGE>   4










                     NOBLE DRILLING CORPORATION THRIFT PLAN
                STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS



<TABLE>
                                                         DECEMBER 31,        
                                                    -----------------------  
                                                       1995        1994      
                                                    ----------  -----------  
 <S>                                                <C>         <C>          
                                                                             
 ASSETS                                                                      
                                                                             
  Cash                                              $      114  $       35   
                                                                             
  Investments, at fair value:                                                
       Short-term investments                          534,014     680,381   
       Noble Drilling Corporation                                            
         common stock                                3,516,867   1,765,902   
       Noble Affiliates, Inc.                                                
         common stock                                  107,132     116,622   
       Other corporate stocks                          874,469     882,264   
       United States government securities           1,417,245     976,534   
 Investment contract, at contract value              1,325,142     961,660   
 Securities receivable                                 268,000           -   
  Contributions receivable:                                                  
       Participants                                    103,841      45,951   
       Noble Drilling Corporation                       64,274      27,659   
  Dividends and interest receivable                     25,263      25,513   
                                                    ----------  ----------   
                                                                             
                                                     8,236,361   5,482,521   
 LIABILITIES                                                                 
                                                                             
  Excess contributions, refundable                                           
      to employees                                      59,715      20,443   
  Trust fees payable                                    19,438      12,307   
  Other fees payable                                         -       1,688   
                                                    ----------  ----------   
                                                                             
 NET ASSETS AVAILABLE FOR BENEFITS                  $8,157,208  $5,448,083   
                                                    ==========  ==========   
</TABLE>




   The accompanying notes are an integral part of these financial statements.





                                       4


<PAGE>   5





                     NOBLE DRILLING CORPORATION THRIFT PLAN
           STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS


<TABLE>
                                          FOR THE YEARS ENDED DECEMBER 31,
                                         ----------------------------------
                                                  1995        1994
                                               ----------  ----------
     <S>                                       <C>         <C>
     NET INVESTMENT INCOME
        Interest                               $   92,374  $  112,722
        Dividends                                  18,462      33,042
                                               ----------  ----------
                                                  110,836     145,764

        Less: investment expenses                (51,690)     (45,204)
                                               ----------  ----------

        Net investment income                      59,146     100,560

     NET GAIN (LOSS) ON INVESTMENTS             1,535,234  (1,008,817)

     CONTRIBUTIONS
        Participants                            1,306,239     586,598
        Employer                                  668,394     349,299

     WITHDRAWALS                                (859,888)    (771,292)
                                               ----------  ----------

     NET INCREASE (DECREASE) IN NET
      ASSETS AVAILABLE FOR BENEFITS             2,709,125    (743,652)

     NET ASSETS AVAILABLE FOR BENEFITS,
        beginning of year                       5,448,083   6,191,735
                                               ----------  ----------

     NET ASSETS AVAILABLE FOR BENEFITS,
        end of year                            $8,157,208  $5,448,083
                                               ==========  ==========
</TABLE>





   The accompanying notes are an integral part of these financial statements.





                                       5


<PAGE>   6


                     NOBLE DRILLING CORPORATION THRIFT PLAN
                         NOTES TO FINANCIAL STATEMENTS


1. DESCRIPTION OF THE PLAN:

Noble Drilling Corporation (the "Company") established the Noble Drilling
Corporation Thrift Plan (the "Plan") effective January 1, 1986.  Prior to
October 1, 1985, the Company was a wholly-owned subsidiary of Noble Affiliates,
Inc. ("NAI").  Effective as of that date the Company was recapitalized and its
common stock was distributed to the shareholders of NAI in a tax-free spin-off.
The Company's employees had participated in the Noble Affiliates, Inc. Thrift
and Profit Sharing Plan (the "NAI Plan") prior to October 1, 1985,  and
continued to participate in the NAI Plan through December 31, 1985.

Participants in the NAI Plan carried over certain service, eligibility and
vesting benefits upon entering the Plan.

The Plan is a defined contribution plan.  All domestic employees are eligible
to enroll in the Plan on the January 1 or July 1 following the date the
employee completes one year of service.  The Plan is subject to the provisions
of the Employee Retirement Income Security Act of 1974, as amended ("ERISA"),
and is administered by the Employee Benefits Committee of the Company, whose
members are appointed by the Company's Board of Directors.  The Company will
make available to participants a copy of the Plan document to provide complete
information, if requested.

Significant Amendments

Effective January 1, 1994, the Plan was amended to allow for participant loans
in accordance with the terms set forth in the amended Plan.  There were no
participant loans processed during 1994 or 1995 and no loans outstanding as of
December 31, 1995 and 1994.

Effective June 24, 1994, the Plan's related trust was amended to provide for
appointment of a successor trustee in accordance with the terms set forth in
the amended Plan.  Pursuant to the amended provision, the Plan assets and
trustee functions were transferred from the Bank of Oklahoma, N.A. to Exchange
National Bank and Trust Company of Ardmore, Oklahoma, effective August 1, 1994.

On December 30, 1994, the Plan was amended (i) effective as of August 1, 1989,
to place specified limits on the compensation of a participant that could be
taken into account under the Plan for specified plan years, (ii) effective as
of January 1, 1993, to provide for transfers of eligible rollover
distributions, and (iii) effective as of January 1, 1994, to provide
clarification regarding the conclusive and binding effect of determinations
made by the Employee Benefits Committee and regarding adoption of the Plan and
its related trust by affiliates of the Company and amendment of the Plan and
its related trust.

Effective May 1, 1995, the Plan was amended to allow field hourly employees to
make contributions from both straight-time and overtime pay.




                                       6


<PAGE>   7





Contributions

Participants may contribute on a pre-tax basis up to 10 percent, up to a limit
of $9,240 in 1995 and 1994, of their base compensation to the Plan.  The Plan
provides for the following matching contributions:


<TABLE>
<CAPTION>
                              Percentage of              Matching Contribution
      Participant's     Participant's Contribution     Limited to the Following
    Years of Vesting           Matched by                    Percentage of 
        Service                the Company            Participant's Compensation
    ----------------    --------------------------    --------------------------
    <S>                 <C>                           <C>
      Less than 15                 70%                            6%
      15 or more                  100%                            6%
</TABLE>


The Plan provides that matching contributions are made in the Company's common
stock. Pass-through voting rights for shares of common stock of the Company are
credited to a participant's account, whether or not vested.

Termination

The Plan is to continue indefinitely; however, the right to terminate
participation in the Plan, subject to the provisions of ERISA, is reserved by
the Company.  Upon notice of termination or permanent suspension of
contributions, the accounts of all participants affected thereby shall become
fully vested and shall be distributed in accordance with the provisions of the
Plan.

Withdrawals

Withdrawals are permitted in the event of termination of employment,
retirement, permanent disability, death or financial hardship, as defined in
the Plan.  In-service withdrawals may be made from a participant's after-tax
account.  Additionally, vested participants may make in-service withdrawals
from the Company's matching account. However, only one in-service withdrawal
may be made by a participant in a 12-month period.  Net assets available for
benefits as of December 31, 1995 and 1994, include amounts pending distribution
to participants of $91,449 and $82,738, respectively.

Participant Accounts

Separate accounts are maintained for each participant.  Participant accounts
are credited with pre-tax contributions, rollover contributions, the Company's
matching contributions and an allocation of investment earnings and losses.
Furthermore, participant accounts are adjusted for withdrawals and transfers
among investment options, if any.




                                       7


<PAGE>   8


Participants have an option as to the manner in which their contributions may
be invested. Separate funds are maintained and participants may direct their
investments in ten percent increments as follows:



     Fund                        Investments
     ----                        -----------

     Fund A        United States government securities, highly rated corporate 
                   bonds and preferred stocks, commercial paper and cash 
                   deposits.


     Fund B        Readily marketable common and preferred stocks.

     Fund I        Guaranteed investment contracts or funds invested solely in 
                   such items.

     Fund N        NAI common stock purchased by Plan participants prior to 
                   spin-off from NAI.
 
     Fund ND       Noble Drilling Corporation common stock (limited to a 
                   maximum of 50 percent of contributions).

See  Note 7 for financial information by fund.

Plan participants may not contribute to Fund N.  Plan participants may,
however, convert investments in Fund N to another fund.  The balance in the
General Fund represents unallocated employee forfeitures, and is used to pay
certain Plan expenses and consists of short- term, highly liquid investments in
money market funds. Unallocated forfeitures of $218,942 and $199,599 at
December 31, 1995 and 1994, respectively, may be used to reduce future Company
matching contributions.

Vesting

A participant's contributions are 100 percent vested.  Participants become
fully vested in the Company's matching contributions upon five years of
credited service.  Also, a participant becomes fully vested in the Company's
matching contributions, regardless of years of service, if employment is
terminated due to normal retirement, total disability or death.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:

Basis of Accounting

The Plan's financial statements are prepared on the accrual basis of accounting
in conformity with generally accepted accounting principles.





                                       8


<PAGE>   9


Investments

Investments traded on national securities exchanges are valued at closing
prices on the last business day of the year; investments traded on the
over-the-counter market are valued at an average of the last reported bid and
ask prices.  The investment in the bank commingled fund is highly liquid;
therefore the fair value approximates cost. The cost of investments sold is
determined on the basis of average cost.

In 1994, the Plan entered into an investment contract with Firstar Corp.
(Firstar). Firstar maintains the contributions in a pooled account.  The
account is credited with earnings on the underlying investments and charged for
Plan withdrawals and administrative expenses charged by Firstar.  The contract
is included in the financial statements at contract value, which approximates
fair value, as reported to the Plan by Firstar.  Contract value represents
contributions made under the contract, plus earnings, less Plan withdrawals and
administrative expenses.

Under the terms of the Plan, Exchange National Bank and Trust Company of
Ardmore, Oklahoma as Trustee (the "Trustee"), on behalf of the Plan, acquires,
holds and disposes of securities including the common stock of the Company
owned by the Plan.

Expenses

Plan administration expenses are paid by the Plan, unless paid by the Company,
at the Company's sole discretion.  For the years ended December 31, 1995 and
1994, administrative expenses of $51,690 and $45,204, respectively, were paid
by the Plan.

Excess Contributions Refundable to Employees

Excess contributions refundable to highly compensated employees represent the
refunds necessary to meet certain nondiscrimination provisions of the Internal
Revenue Code of 1986, as amended (the "Code").

Certain Significant Estimates

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions
that affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amount of revenues and expenses during the reporting period.
Actual results could differ from those estimates.

3. TAX STATUS:

The Internal Revenue Service has determined and informed the Company by a
letter dated October 27, 1995, that the Plan and related trust are designed in
accordance with applicable sections of the Code. The Plan has been amended
since applying for the determination letter. However, the Plan administrator
and the Plan's tax counsel believe that the Plan is designed and is currently
being operated in compliance with the applicable requirements of the Code.




                                       9


<PAGE>   10


4. NET GAIN (LOSS) ON INVESTMENTS:

The Plan's investments, including investments bought, sold and held during the
year, appreciated (depreciated) as follows for the years ended December 31,
1995 and 1994:



<TABLE>
<CAPTION>
                                               1995         1994
                                            ----------   -----------
<S>                                         <C>          <C>
Common stock                                $1,382,174   $  (923,362)
United States government securities            101,238       (97,115)
Bank commingled fund                            51,822        11,660
                                            ----------   -----------
   Total net gain (loss) on investments     $1,535,234   $(1,008,817)
                                            ==========   ===========
</TABLE>

5. RELATED PARTIES:

Net assets of the Plan include investments in the common stock of Noble
Drilling Corporation and amounts invested in a pooled money market fund issued
and managed by Exchange National Bank and Trust Company of Ardmore, Oklahoma,
the Plan trustee; as such, these investments qualify as party-in-interest
transactions. Fees paid by the Plan to the Trustee totaled $30,851 and $25,733
for the years ended December 31, 1995 and 1994, respectively.

6. SUBSEQUENT EVENT:

Effective February 14, 1996, the Plan was amended to allow the Trustee to
invest Plan assets in funds which are exempt from tax under Section 501(a) of
the Code. This includes assets invested in the Sarofim Trust Co. Employee
Benefit Investment Trust, or any other similar trust.



















                                       10


<PAGE>   11


                                                                          NOTE 7
                                                                   (Page 1 of 4)
                     NOBLE DRILLING CORPORATION THRIFT PLAN
            STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS - BY FUND
                               DECEMBER 31, 1995




<TABLE>
<CAPTION>
                                                                                          
                                                             PARTICIPANT DIRECTED                                
                                                 ----------------------------------------------      
                                                                                                     
                                                   FUND A      FUND B      FUND I      FUND ND         
                                                 ----------  ----------  ----------  ----------      
<S>                                              <C>         <C>         <C>         <C>             
ASSETS                                                                                               
Cash                                             $        0  $       98  $        0  $   (5,606)      
Investments, at fair value:                                                                        
   Short-term investments *                          63,464     173,388      36,029      39,300      
   Noble Drilling Corporation                                                                        
       common stock *                                     0      21,816           0   3,495,051      
   Noble Affiliates, Inc. common stock                    0      32,026           0           0      
   Other corporate stocks                                 0     874,469           0           0      
   United States government securities *          1,417,245           0           0           0      
Investment contract, at contract value *                  0           0   1,325,142           0
Securities receivable                                     0           0     268,000           0      
Contributions receivable:                                                                            
   Participants                                      20,312      14,650      50,644      18,235      
   Noble Drilling Corporation                             0           0           0      64,274      
Dividends and interest receivable                    22,863       2,203           0         172      
Interfund transfers receivable (payable)                126          93         114         296      
                                                 ----------  ----------  ----------  ----------      
                                                  1,524,010   1,118,743   1,679,929   3,611,722      
                                                                                                     
LIABILITIES                                                                                          
   Excess contributions refundable                                                                   
       to employees                                   8,873      12,381       6,285      32,176      
   Trust fees payable                                11,500       7,938           0           0      
   Other fees payable                                     0           0           0           0      
                                                 ----------  ----------  ----------  ----------      
                                                                                                     
NET ASSETS AVAILABLE FOR                                                                             
   BENEFITS                                      $1,503,637  $1,098,424  $1,673,644  $3,579,546      
                                                 ==========  ==========  ==========  ==========      

<CAPTION>
                                                            NON-                                      
                                                    PARTICIPANT DIRECTED                                     
                                                 ---------------------------                          
                                                                    GENERAL                           
                                                   FUND N            FUND            TOTAL            
                                                 ----------       ----------       ----------         
<S>                                              <C>              <C>              <C>                    
ASSETS                                                                                                
Cash                                                $    14         $  5,608       $      114         
Investments, at fair value:                                                                         
   Short-term investments *                           8,499          213,334          534,014         
   Noble Drilling Corporation                                                                         
       common stock *                                     0                0        3,516,867         
   Noble Affiliates, Inc. common stock               75,106                0          107,132         
   Other corporate stocks                                 0                0          874,469         
   United States government securities *                  0                0        1,417,245         
Investment contract, at contract value *                  0                0        1,325,142
Securities receivable                                     0                0          268,000         
Contributions receivable:                                                                             
   Participants                                           0                0          103,841         
   Noble Drilling Corporation                             0                0           64,274         
Dividends and interest receivable                        25                0           25,263         
Interfund transfers receivable (payable)                  7            (636)                0         
                                                 ----------       ----------       ----------         
                                                     83,651          218,306        8,236,361         
                                                                                                      
LIABILITIES                                                                                           
   Excess contributions refundable                                                                    
       to employees                                       0                0           59,715         
   Trust fees payable                                     0                0           19,438         
   Other fees payable                                     0                0                0              
                                                 ----------       ----------       ----------         
                                                                                                      
NET ASSETS AVAILABLE FOR                                                                              
   BENEFITS                                         $83,651         $218,306       $8,157,208         
                                                 ==========       ==========       ==========         
</TABLE>



   * These investments represent five percent or more of total plan assets.




                                       11


<PAGE>   12

                                                                         NOTE 7
                                                                  (Page 2 of 4)
                     NOBLE DRILLING CORPORATION THRIFT PLAN
            STATEMENT OF NET ASSETS AVAILABLE FOR BENEFITS - BY FUND
                               DECEMBER 31, 1994

<TABLE>
<CAPTION>
                                                            PARTICIPANT DIRECTED                       
                                            -----------------------------------------------------              
                                               FUND A        FUND B        FUND I       FUND ND
                                            -----------   -----------   -----------   -----------
<S>                                         <C>           <C>           <C>           <C>        
ASSETS

Cash                                        $         0   $         0   $         0   $         0
Investments, at market value:
    Short-term investments *                    334,758        57,501        29,058        51,827
    Noble Drilling Corporation
       common stock *                                 0        14,241             0     1,751,661
    Noble Affiliates, Inc. common stock               0        26,532             0             0
    Other corporate stock                             0       882,264             0             0
    United States government securities *       976,534             0             0             0
Investment contract, at contract value *              0             0       961,660             0
Contributions receivable:
    Participants                                 13,126         7,706        13,602        11,517
    Noble Drilling Corporation                        0             0             0        27,659
Dividends and interest receivable                22,640         2,038            57           159
Interfund transfers receivable (payable)            152           112           113           205
                                            -----------   -----------   -----------   -----------
                                              1,347,210       990,394     1,004,490     1,843,028

LIABILITIES
    Excess contributions refundable
       to employees                               6,251         3,214         5,228         5,750
    Trust fees payable                            7,156         5,151             0             0
    Other fees payable                            1,688             0             0             0
                                            -----------   -----------   -----------   -----------
NET ASSETS AVAILABLE FOR
    BENEFITS                                $ 1,332,115   $   982,029   $   999,262   $ 1,837,278
                                            ===========   ===========   ===========   ===========

<CAPTION>
                                                     NON -
                                              PARTICIPANT DIRECTED
                                            -------------------------
                                                             GENERAL 
                                               FUND N         FUND          TOTAL
                                            -----------   -----------    -----------
<S>                                         <C>           <C>            <C>        
ASSETS

Cash                                        $         0   $        35    $        35
Investments, at market value:
    Short-term investments *                      7,673       199,564        680,381
    Noble Drilling Corporation
       common stock *                                 0             0      1,765,902
    Noble Affiliates, Inc. common stock          90,090             0        116,622
    Other corporate stock                             0             0        882,264
    United States government securities *             0             0        976,534
Investment contract, at contract value *              0             0        961,660
Contributions receivable:
    Participants                                      0             0         45,951
    Noble Drilling Corporation                        0             0         27,659
Dividends and interest receivable                    26           593         25,513
Interfund transfers receivable (payable)             11          (593)             0
                                           ------------   -----------    -----------
                                                 97,800       199,599      5,482,521

LIABILITIES
    Excess contributions refundable
       to employees                                   0             0         20,443
    Trust fees payable                                0             0         12,307
    Other fees payable                                0             0          1,688
                                            -----------   -----------    -----------
NET ASSETS AVAILABLE FOR
    BENEFITS                                $    97,800   $   199,599    $ 5,448,083
                                            ===========   ===========    ===========
</TABLE>



    * These investments represent five percent or more of total plan assets.



                                      12


<PAGE>   13

                                                                         NOTE 7
                                                                  (Page 3 of 4)

                     NOBLE DRILLING CORPORATION THRIFT PLAN
      STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS - BY FUND
                      FOR THE YEAR ENDED DECEMBER 31, 1995

<TABLE>
<CAPTION>
                                                     PARTICIPANT DIRECTED
                                     --------------------------------------------------------                 
                                        FUND A         FUND B         FUND I        FUND ND
                                     -----------    -----------    -----------    -----------
<S>                                  <C>            <C>            <C>            <C>        
NET INVESTMENT INCOME (LOSS):
    Interest                         $    77,239    $     2,286    $     4,726    $     1,198
    Dividends                                  0         17,970              0              0
                                     -----------    -----------    -----------    -----------
                                          77,239         20,256          4,726          1,198
    Less:  investment expenses           (30,000)       (21,690)             0              0
                                     -----------    -----------    -----------    -----------

NET INVESTMENT INCOME (LOSS)              47,239         (1,434)         4,726          1,198

NET GAIN ON INVESTMENTS                  101,238        221,252         51,822      1,148,038

CONTRIBUTIONS:
    Participants                         227,838        176,531        674,640        227,230
    Employer                                   0              0              0        668,394

WITHDRAWALS                             (148,182)      (281,859)      (136,931)      (274,600)
INTERFUND TRANSFERS, NET                 (56,611)         1,905         80,125        (27,992)
                                     -----------    -----------    -----------    -----------

NET INCREASE (DECREASE) IN NET
    ASSETS AVAILABLE FOR BENEFITS        171,522        116,395        674,382      1,742,268

NET ASSETS AVAILABLE FOR BENEFITS,
        beginning of year              1,332,115        982,029        999,262      1,837,278
                                     -----------    -----------    -----------    -----------
NET ASSETS AVAILABLE FOR BENEFITS,
        end of year                  $ 1,503,637    $ 1,098,424    $ 1,673,644    $ 3,579,546
                                     ===========    ===========    ===========    ===========

<CAPTION>
                                                NON-        
                                        PARTICIPANT DIRECTED
                                     --------------------------
                                                      GENERAL
                                        FUND N          FUND         TOTAL
                                     -----------    -----------   -----------
<S>                                  <C>            <C>           <C>        
NET INVESTMENT INCOME (LOSS):
    Interest                         $       281    $     6,644   $    92,374
    Dividends                                492              0        18,462
                                     -----------    -----------   -----------
                                             773          6,644       110,836
    Less:  investment expenses                 0              0       (51,690)
                                     -----------    -----------   -----------


NET INVESTMENT INCOME (LOSS)                 773          6,644        59,146


NET GAIN ON INVESTMENTS                   12,884              0     1,535,234

CONTRIBUTIONS:
    Participants                               0              0     1,306,239
    Employer                                   0              0       668,394


WITHDRAWALS                              (18,316)             0      (859,888)
INTERFUND TRANSFERS, NET                  (9,491)        12,064             0
                                     -----------    -----------   -----------

NET INCREASE (DECREASE) IN NET
    ASSETS AVAILABLE FOR BENEFITS        (14,150)        18,708     2,709,125

NET ASSETS AVAILABLE FOR BENEFITS,
        beginning of year                 97,800        199,598     5,448,083
                                     -----------    -----------   -----------
NET ASSETS AVAILABLE FOR BENEFITS,
        end of year                  $    83,650    $   218,306   $ 8,157,208
                                     ===========    ===========   ===========
</TABLE>



                                      13

<PAGE>   14


                                                                         NOTE 7
                                                                  (Page 4 of 4)

                     NOBLE DRILLING CORPORATION THRIFT PLAN
      STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS - BY FUND
                      FOR THE YEAR ENDED DECEMBER 31, 1994

<TABLE>
<CAPTION>
                                                     PARTICIPANT DIRECTED
                                     --------------------------------------------------------                 
                                        FUND A         FUND B         FUND I        FUND ND
                                     -----------    -----------    -----------    -----------
<S>                                  <C>            <C>            <C>            <C>        
NET INVESTMENT INCOME (LOSS):
      Interest                       $    80,840    $     2,422    $    23,289    $     1,854
     Dividends                                 0         32,457              0              0
                                     -----------    -----------    -----------    -----------
                                          80,840         34,879         23,289          1,854
    Less:  investment expenses           (20,427)       (15,160)        (3,344)        (5,573)
                                     -----------    -----------    -----------    -----------

NET INVESTMENT INCOME (LOSS)              60,413         19,719         19,945         (3,719)

  NET (LOSS) GAIN ON INVESTMENTS         (97,115)      (108,578)        11,660       (808,319)

CONTRIBUTIONS:
    Participants                         167,600        113,799        174,700        130,499
    Employer                                   0              0              0        349,299

WITHDRAWALS                             (267,461)      (139,275)      (146,553)      (216,247)
INTERFUND TRANSFERS, NET                 (10,455)        11,399         (9,143)         1,673
                                     -----------    -----------    -----------    -----------

NET INCREASE (DECREASE) IN NET
    ASSETS AVAILABLE FOR BENEFITS       (147,018)      (102,936)        50,609       (546,814)

NET ASSETS AVAILABLE FOR BENEFITS,
        beginning of year              1,479,133      1,084,965        948,653      2,384,092
                                     -----------    -----------    -----------    -----------
NET ASSETS AVAILABLE FOR BENEFITS,
        end of year                  $ 1,332,115    $   982,029    $   999,262    $ 1,837,278
                                     ===========    ===========    ===========    ===========

<CAPTION>
                                                NON-        
                                        PARTICIPANT DIRECTED
                                     --------------------------
                                                      GENERAL
                                        FUND N          FUND         TOTAL
                                     -----------    -----------   -----------
<S>                                  <C>            <C>            <C>        
NET INVESTMENT INCOME (LOSS):
      Interest                       $       544    $     3,773    $   112,722
     Dividends                               585              0         33,042
                                     -----------    -----------    -----------
                                           1,129          3,773        145,764
    Less:  investment expenses              (516)          (184)       (45,204)
                                     -----------    -----------    -----------


NET INVESTMENT INCOME (LOSS)                 613          3,589        100,560


  NET (LOSS) GAIN ON INVESTMENTS          (6,465)             0     (1,008,817)

CONTRIBUTIONS:
    Participants                               0              0        586,598
    Employer                                   0              0        349,299


WITHDRAWALS                               (1,756)             0       (771,292)
INTERFUND TRANSFERS, NET                  (1,236)         7,762              0
                                     -----------    -----------    -----------

NET INCREASE (DECREASE) IN NET
    ASSETS AVAILABLE FOR BENEFITS         (8,844)        11,351       (743,652)

NET ASSETS AVAILABLE FOR BENEFITS,
        beginning of year                106,644        188,248      6,191,735
                                     -----------    -----------    -----------
NET ASSETS AVAILABLE FOR BENEFITS,
        end of year                  $    97,800    $   199,599    $ 5,448,083
                                     ===========    ===========    ===========
</TABLE>




                                      14
<PAGE>   15



                                                                      SCHEDULE I
                                                                   (Page 1 of 2)
                     NOBLE DRILLING CORPORATION THRIFT PLAN
          ITEM 27(A) - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
                               DECEMBER 31, 1995


<TABLE>
<CAPTION>
                                                                              Number of                           (e) Current
  (a)         (b)Identity of Issue                (c)  Description             Shares          (d)  Cost               Value
  ---         ----------------------------        ----------------------      ---------        ---------          -----------
  <S>                                             <C>                         <C>              <C>                 <C>
   *          ENB Pooled MM Fund                  money market fund            534,014          $534,014            $534,014
                                                                                               ---------           ---------
   *          Noble Drilling Corporation          common stock                 390,763         2,280,101           3,516,867
                                                                                               ---------           ---------
              Noble Affiliates, Inc.              common stock                   3,586            42,320             107,132
                                                                                               ---------           ---------
              OTHER CORPORATE STOCKS:
              AirTouch Communications             common stock                     600            13,048              16,875
              ALLTEL Corporation                  common stock                   1,000            23,178              29,500
              American General Corporation        common stock                     700            22,012              24,412
              AMP Incorporated                    common stock                     600            22,300              22,950
              Amoco Corporation                   common Stock                     300            18,809              21,450
              C.R. Bard Inc.                      common Stock                     800            20,856              25,800
              A.H Belo Corporation                series A common stock            600            11,946              20,850
              H&R Block Inc.                      common stock                     400            15,215              16,200
              Burlington Resources Inc.           common stock                     600            22,476              23,550
              Colgate Palmolive Co.               common stock                     400            23,028              28,100
              Diebold, Incorporated               common stock                     600            10,952              33,225
              E.I. DuPont de Nemours & Co.        common stock                     400            22,703              27,950
              Eastman Kodak Company               common stock                     500            24,537              33,500
              Exxon Corporation                   common stock                     200             9,166              16,100
              General Electric Co.                common stock                     500            25,723              36,000
              Harcourt General, Inc.              common stock                     700            24,515              29,312
              Hewlett-Packard Co.                 common stock                     100             7,421               8,375
              The Home Depot Inc.                 common stock                     300            12,004              14,325
              Kimberly Clark Corporation          common stock                     400             4,290              33,100
              Kirby Corp.                         common stock                   1,000            11,935              16,250
              Loctite Corp.                       common stock                     500            20,526              23,750
              Mobil Corporation                   common stock                     388            11,921              43,359
              Morton International Inc.           common stock                     700            18,734              25,113
              Olsten Corp.                        common stock                     500            13,033              19,750
              Pepsico, Inc.                       common stock                     600            23,200              33,525
              Pillowtex Corp.                     common stock                   2,000            24,140              23,250
              Raytheon Company                    common stock                     800            25,752              37,800
              Schering Plough Corp.               common stock                     800             3,580              43,800
              Schweitzer-Mauduit                  common stock                      40                 4                 925
              Sherwin-Williams Co.                common stock                     700            12,854              28,525
              Stewart & Stevenson Services, Inc.  common stock                     400            10,935              10,100
              Tyco International Ltd.             common stock                   1,000            23,910              35,625
              Union Pacific Corp.                 common stock                     400            19,946              26,400
              UMX Technologies                    common stock                     800            21,884              23,800
                                                                                                --------            --------
                  Total Common Stock                                                             576,533             853,546

              CCI Redeemable Preferred                                             427            13,878              20,923
                                                                                                --------            --------
           Total other corporate stocks                                                          590,411             874,469
                                                                                                --------            --------
</TABLE>                                                                       
                                                                               
                                                                               

*Identified party-in-interest




                                       15
<PAGE>   16
                                                                     SCHEDULE I
                                                                  (Page 2 of 2)

                     NOBLE DRILLING CORPORATION THRIFT PLAN
         ITEM 27 (a) - SCHEDULE OF ASSETS HELD FOR INVESTMENT PURPOSES
                               DECEMBER 31, 1995


<TABLE>
<CAPTION>                                                                                                  
                                                      Interest     Maturity    Principal                (e) Current 
(a)   (b) Identity of Issue      (c) Description       Rate %        Date        Amount      (d) Cost      Value    
- ---   ------------------------   ----------------     --------     --------    ---------     --------   ----------- 
<S>   <C>                        <C>                    <C>        <C>          <C>          <C>         <C>        
      United States government                                                                                      
           securities:                                                                                              
                                                                                                              
                                                                                                              
      U.S. Government            Zero Coupon Bond         --       05/15/05     $ 375,000  $  203,494   $  220,898  
                                                                                                              
      U.S. Government            Treasury Note            4.25     05/15/96       200,000     198,563      199,312  
                                                                                                              
      U.S. Government            Treasury Note           7.500     11/15/01       300,000     317,047      330,564  
                                                                                                              
      U.S. Government            Treasury Note            6.25     02/15/03       155,000     153,609      161,781  
                                                                                                              
      U.S. Government            Treasury Note           6.125     12/31/96       500,000     513,203      504,690  
                                                                                           ----------   ----------  
                   Total United States government securities                                1,385,916    1,417,245  
                                                                                           ----------   ----------  
                                                                                                              
      Institutional Investor's                                                                                      
         GIC Fund                Mutual fund                                                1,250,000    1,325,142  
                                                                                           ----------   ----------  
                                                                                                              
                   Total assets held for investment purposes                               $6,082,762   $7,774,869  
                                                                                           ==========   ==========  
</TABLE>





                                      16

<PAGE>   17


                                                                    SCHEDULE II




                     NOBLE DRILLING CORPORATION THRIFT PLAN
                ITEM 27(d) - SCHEDULE OF REPORTABLE TRANSACTIONS
                      FOR THE YEAR ENDED DECEMBER 31, 1995



<TABLE>
<CAPTION>
    (a) Identity of        (b) Description     Number of      Number      (c) Purchase 
     Party Involved            of Asset        Purchases     of Sales         Price    
- -----------------------   ------------------   ---------    ---------      ---------   
<S>                       <C>                     <C>          <C>         <C>         
Exchange National Bank    ENB Pooled MM Fund         222          142      1,857,288   
                                                                                       
U.S. Treasury Note        6.25%, 2/15/03               2            1        407,979   
                                                                                       
Institutional Investors   GIC Fund                     2           --        568,000   

<CAPTION>

                                                     (h) Current Value of
    (a) Identity of      (d) Selling  (g) Cost of         Asset on             (i) Net
     Party Involved       Price ($)    Asset Sold    Transaction Date ($)      Gain ($)      
- -----------------------   ---------    ---------      -------------------      ---------              
<S>                       <C>            <C>             <C>                  <C>                           
Exchange National Bank    2,004,478      2,004,478           2,004,478            --                     
                                                                                                         
U.S. Treasury Note          274,219        254,370             274,219          19,849                   
                                                                                                         
Institutional Investors        --             --                  --              --                     
</TABLE>

==========================================================

    As defined by Section 2520.103-6 of the Department of Labor Rules and
 Regulations governing reporting and disclosure under the Employee Retirement
Income Security Act of 1974, as amended, the above are reportable transactions
 of the Noble Drilling Corporation Thrift Plan. Columns (e) and (f) have been
                   omitted because they are not applicable.




                                      17

<PAGE>   18

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Prospectus
constituting part of the Registration Statements on Form S-3 (No. 333-02927),
Form S-3 (No. 333-02929), Form S-3 (No. 333-06813), Form S-8 (No. 33-3289), 
Form S-8 (No. 33-15269), Form S-8 (No. 33-18966), Form S-8 (No. 33-46724), 
Form S-8 (No. 33-50270), Form S-8 (No. 33-50272), Form S-8 (No. 33-62394) and 
Form S-8 (No. 33-57675) of Noble Drilling Corporation of our report appearing 
in this Form 10-K/A.



PRICE WATERHOUSE LLP

Houston, Texas
June 28, 1996


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