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                                                                   EXHIBIT 10(i)

                             AMENDED AND RESTATED
                        DEFERRED COMPENSATION PLAN FOR
                      OUTSIDE DIRECTORS OF TIDEWATER INC.
                          (EFFECTIVE OCTOBER 1, 1999)

                                   ARTICLE I

                                    PURPOSE

     The purpose of the Amended and Restated Deferred Compensation Plan for
Outside Directors of Tidewater Inc. (the "Plan") is to provide for the deferral
of annual retainer fees, Board meeting attendance fees, Board Committee meeting
attendance fees (hereinafter referred to in the aggregate as "Compensation")
paid by Tidewater Inc. (the "Company") to members of the Company's Board of
Directors (the "Board").

                                  ARTICLE II

                                ADMINISTRATION

     The Plan will be administered by the Company's Employee Benefits Committee
(the "Committee").  The Committee will have the sole authority to interpret the
Plan, to prescribe, amend and rescind rules and regulations relating to the
Plan, and in general, to make all other determinations and take all actions, not
otherwise required herein to be taken by the Board or a committee thereof,
necessary or advisable for the administration of the Plan.  All decisions of the
Committee concerning the administration, construction, and interpretation of the
Plan shall be final, conclusive and binding upon all parties and interests.

                                  ARTICLE III

                                 PARTICIPANTS

     Participation in the Plan is limited to members of the Board who are not
full-time employees of the Company or a subsidiary who elect to defer
Compensation as provided herein (hereinafter referred to individually as the
"Director" and collectively as the "Directors").  Upon termination of membership
on the Board, deferral of Compensation under the Plan shall cease and
distribution of Compensation not previously commenced shall commence, as
provided in Article VIII hereof.

                                  ARTICLE IV

                            COMPENSATION ELECTIONS

     4.1  PAYMENT ELECTION.  For each calendar year of the Company, any eligible
Director may elect to receive Compensation distributed in (i) cash payments made
in the customary manner; or (ii) deferred payments as hereinafter provided.

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     4.2  TIME AND METHOD OF ELECTION.  In order for an election to be effective
for any given calendar year, the Director must deliver a signed election form to
the Committee no later than December 31 of the year preceding the year for which
the election is to take effect.  In the case of a person who is elected or
appointed to the Board during the calendar year in which the deferral election
is to take effect, the signed deferral election form must be delivered to the
Committee no later than the first Board meeting attended by the Director
following such election or appointment. A deferral election must be made on the
form attached hereto as Exhibit "A" available upon request from the Committee.
Executed election forms are to be forwarded to the attention of the Committee or
a person designated by the Committee to receive them (the "Representative").

     4.3  IRREVOCABILITY OF ELECTION.  Upon receipt of the signed election form
by the Committee or its Representative, the election to defer Compensation shall
become irrevocable as to the year for which it is effective.

     4.4  FORM OF DEFERRED COMPENSATION.  Each Director electing to defer
Compensation must further elect to either: (i) have the Company allocate to such
Director units in the form of hypothetical units of the Company's common stock
(the "Stock Units"); (ii) have the Company allocate to such Director units
("Investment Fund Units") in the form of hypothetical units in one or more
investment funds or investment vehicles made available to Directors from time to
time through the Plan (the "Investment Funds") or (iii) have the Company
allocate to such Director a combination of Stock Units and Investment Fund
Units.  Notwithstanding the foregoing provisions of this Section 4.4 or any
other provision of the Plan, upon the occurrence of a Change of Control (as
defined in Section 8.7(b)), all Stock Units credited to a Director's account
immediately prior to the Change of Control shall be immediately and
automatically converted to a dollar amount equal to the product of the number of
such Stock Units times the higher of (i) the Fair Market Value (as defined in
Section 5.1) of the Company's common stock as of the day of the Change of
Control, and (ii) the highest per share price paid for shares of the Company's
common stock (or the equivalent value) in the transaction constituting the
Change of Control.  The resulting dollar amount shall, upon the occurrence of
the Change of Control, be deemed immediately transferred out of the Director's
Stock Unit account and invested in the Investment Fund that is a money market
account or other interest-earning fund made available to Directors through the
Plan.  Such dollar amount shall subsequently be administered in accordance with
the Plan's provisions as Investment Fund Units (or as additional Investment Fund
Units, as the case may be).

     4.5  EFFECT OF NO ELECTION.  If a written election form for a calendar year
is not received by the Committee or its Representative at the time and in the
manner provided in Section 4.2 above, Compensation to which the Director becomes
entitled for that calendar year shall be distributed in the form of customary
cash payments.

     4.6  DEFERRAL AMOUNT.  A Director may elect to defer payment of up to 100%
of Compensation during a year, in 25% increments, until the expiration of the
Deferral Period, as defined in Section 8.1 hereof.

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                                   ARTICLE V

                                  STOCK UNITS

     5.1  STOCK UNITS.  For each Director electing to defer Compensation in the
form of Stock Units, the Company shall credit to such Director's account as of
the date of payment (the "Crediting Date") of such Compensation that number of
Stock Units equal to the number of shares of the Company's common stock
(including fractions) that could be purchased with the amount of the
Compensation that such Director elected to defer in the form of Stock Units at
the Fair Market Value of the Company's common stock on such Crediting Date.  The
term "Fair Market Value" shall mean, for purposes of determining the number of
Stock Units credited to a Director's account, the closing sale price for a share
of the Company's common stock on the consolidated reporting system for New York
Stock Exchange issues on the trading day preceding the Crediting Date and, for
purposes of determining the value of a Stock Unit for a distribution under
Section 8.3, upon termination of the Plan or in the event of a Change of Control
of the Company (as defined in Section 8.7(b)), the average of the closing
quotations for the Company's common stock based on composite transactions for
New York Stock Exchange listed issues for the ten trading days preceding the
applicable date.

     5.2  DIVIDENDS.  The Company shall credit to each Directors's account as of
the Crediting Date the number of Stock Units equal to the number of shares of
the Company's common stock (including fractions) that could be purchased at the
Fair Market Value of the Company's common stock on such Crediting Date, with the
dividends such Director would have received if he had been the owner of the
number of shares of the Company's common stock equal to the number of Stock
Units (excluding fractions) in his account on the date normal customary
dividends would have been paid.  After a Director has terminated service on the
Board, dividends shall continue to be credited to such Director's Stock Unit
account until all Compensation deferred in the form of Stock Units has been
distributed pursuant to Article VIII hereof.

     5.3  ADJUSTMENT IN STOCK UNITS.  The total number of Stock Units credited
to each Director's account shall be appropriately adjusted from time to time, as
determined by the Committee, for any increase or decrease in the number of
outstanding shares of the Company's common stock resulting from a subdivision or
combination of shares of common stock, a dividend payment in common stock, a
reclassification of common stock, a merger or consolidation, or for any other
change in the capital structure or shares of common stock.  The determination of
the Committee shall be final, conclusive and binding upon all parties.

     5.4  TRANSFERS AND REALLOCATIONS.  Transfers of amounts and reallocation of
account balances between a Stock Unit account and an Investment Fund Unit
account will not be permitted.

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                                  ARTICLE VI

                             INVESTMENT FUND UNITS

     6.1  INVESTMENT FUND UNITS.  The Committee shall determine from time to
time the Investment Funds that will be available as hypothetical investments for
Directors and each Director may choose the Investment Fund or Funds to be used
as the deemed investments for his deferred Compensation.  If no Investment Fund
is selected by the Director, deferred Compensation shall be deemed invested in
the Investment Fund that is a money market account.  The Company shall credit to
such Director's account as soon after the Crediting Date as may be
administratively practicable the number of Investment Fund Units that could be
purchased with the amount of Compensation such Director elected to defer as
Investment Fund Units in accordance with Sections 4.1 and 4.2 hereof.  The
Committee may change or discontinue at any time any Investment Fund available
under the Plan in its discretion; provided, however, that each affected Director
shall be given the opportunity to redirect the allocation of his account deemed
invested in discontinued Investment Fund Units among the other Investment Funds
offered, including any replacement fund.

     6.2  TRANSFERS AND REALLOCATIONS.  Subject to the rules established by the
Committee, a Director may transfer or reallocate amounts credited to his
Investment Fund Unit account among the various Investment Funds.  A transfer or
reallocation will take effect as soon as administratively practicable following
the date on which the Committee or Representative receives notice of the change.
The Committee may, in its discretion, further restrict transfers or
reallocations by the Directors into or out of Investment Funds or specify
minimum or maximum amounts that may be transferred or reallocated by Directors.

     6.3  ADJUSTMENT OF INVESTMENT UNIT ACCOUNTS.  The Investment Unit accounts
shall be adjusted as of the close of each day during which the New York Stock
Exchange is open to engage in stock transactions ("Business Day") to reflect
increases or decreases in the value of such deemed investments.

                                  ARTICLE VII

                    COMPANY LIABILITY AND DIRECTOR'S RIGHTS

     Directors and their beneficiaries by virtue of participating in the Plan
have only an unsecured right to receive benefits from the Company as general
creditors of the Company.  The Plan constitutes a mere promise to make payments
in the future.  The adoption of the Plan and any setting aside of amounts by the
Company with which to discharge its obligations hereunder shall not be deemed to
create a trust for the benefit of Directors or their beneficiaries; legal and
equitable title to any funds so set aside shall remain in the Company, and any
recipient of benefits hereunder shall have no security or other interest in such
funds.  Any and all funds so set aside shall remain subject to the claims of the
general creditors of the Company, present and future, and no payment shall be
made under the Plan unless the Company is then solvent.  This provision shall
not require the Company to set aside any funds, but the Company may set aside
such funds if it chooses to do so. Notwithstanding the foregoing provisions of
this Article VII and any other provision of the Plan, an

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amount equal to all deferred Compensation may be deposited into a trust (any
such trust, and successor thereto, being hereinafter called the "Trust")
established by the Company for the purpose of assuring payment of the Company's
obligations under the Plan. The Trust shall be subject to the claims of the
general creditors of the Company in the event of the Company's bankruptcy or
insolvency. Notwithstanding any establishment of the Trust, the Company shall
remain responsible for the payment of any amounts so payable which are not so
paid by the Trust.

                                 ARTICLE VIII

                        TIME AND METHOD OF DISTRIBUTION

     8.1  ELECTION FOR DISTRIBUTION.  Directors may elect to defer Compensation
until (i) termination of Board service with the Company or, with respect to
Compensation that would otherwise have been paid, if not deferred, in the
calendar year in which termination of Board service occurs, the first Business
Day of the following calendar year; or (ii) the date specified in the deferral
election form executed by the Director (the "Deferral Date"), which must be at
least two years following the date Compensation would be paid, if it were not
deferred.  The period during which Compensation is deferred is referred to
herein as the "Deferral Period."  If the Director specifies a Deferral Date, the
Deferral Period will end on the Deferral Date, regardless of termination of
Board service, except that the Deferral Period shall always end upon the death
of the Director.

     8.2  TIMING OF DISTRIBUTION.  As soon as practicable after the expiration
of the Deferral Period, all amounts credited to a Director shall be distributed
to him (or his designated beneficiary) in cash in a single lump-sum payment,
unless the Director has elected to receive the annual installment payments over
not less than two nor more than ten years.  An election to receive the
distribution in installments must be made at least 13 months prior to the end of
the Deferral Period and may be made at the time of the deferral election or at a
later time on the form provided as Exhibit "B."  A change to a deferral election
or form of distribution election hereunder will be permitted, but no such change
will be effective for a period of at least 13 months following the date that the
Committee is notified of such change.  If payment in the form of annual
installment payments is elected, the second and remaining annual installment
payments, if any, shall be payable on the successive anniversary dates of the
first payment.  If a Director who has deferred Compensation under the Plan dies
while a member of the Board, or after commencing to receive a distribution under
this Article, then any remaining payments shall be payable to the Director's
designated beneficiary as directed by the Director on Exhibit "C."

     8.3  MANNER OF DISTRIBUTION - STOCK UNITS.  For those Directors electing to
defer Compensation as Stock Units, distribution shall be as follows:  (i) for
lump sum distributions, the amount of cash distributed shall be equal to the
number of Stock Units credited to a Director's account as of the payment date
multiplied by the Fair Market Value of the Company's common stock (determined as
described in Section 5.1 hereof) on the date on which such payment is made; or
(ii) for annual installment distributions, the amount of each installment shall
be the numerator (equal to one) divided by the denominator (this being the total
number of remaining installment payments) multiplied by the Fair Market Value of
the Company's common stock as of the date on which such installment is paid.

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     8.4  MANNER OF DISTRIBUTION -- INVESTMENT FUND UNITS. For those Directors
electing to defer Compensation as Investment Fund Units, distribution shall be
as follows: (i) for lump sum distributions, the amount of cash distributed shall
be equal to the value of the Investment Fund Units credited to a Director's
account as of the Business Day preceding the payment date; or (ii) for annual
installment distributions, the amount of each installment shall be the numerator
(equal to 1) divided by the denominator (this being the total number of
remaining installment payments) multiplied by the value of the Investment Fund
Units on the Business Day preceding the date on which such installment is paid.

     8.5  DISTRIBUTION DUE TO HARDSHIP.  A Director may request a distribution
due to Hardship by submitting a written request to the Committee accompanied by
evidence to demonstrate that the circumstances being experienced qualify as a
Hardship.  The Committee shall have the authority to require such evidence as it
deems necessary to determine if a distribution is warranted.  If an application
for a distribution due to a Hardship is approved, the distribution is limited to
an amount sufficient to meet the emergency.  The allowed distribution shall be
payable in a method determined by the Committee as soon as possible after
approval of such distribution. A Director who has commenced receiving
installment payments under the Plan may request acceleration of such payments in
the event of a Hardship.  The Committee may permit accelerated payments to the
extent such accelerated payment does not exceed the amount necessary to meet the
emergency.  An allowed Hardship distribution or an acceleration of payment of
any amount deemed invested in Stock Units must also be approved in advance by
the Compensation Committee of the Board of Directors.

     "Hardship" means a severe financial hardship to the Director resulting from
a sudden and unexpected illness or accident of the Director or of a dependent of
the Director, loss of the Director's property due to casualty, or other similar
extraordinary and unforeseeable circumstances arising as a result of events
beyond the control of the Director.  The circumstances that will constitute a
Hardship would depend upon the facts of each case, but, in any case, payment may
not be made in the event that such Hardship is or may be relieved:

          (a) through reimbursement or compensation by insurance or otherwise,

          (b) by liquidation of the Director's assets, to the extent that
     liquidation of such assets would not itself cause severe financial
     hardship; or

          (c) by cessation of deferrals of Compensation under the Plan.

     The need to send a Director's child to college or the desire to purchase a
home shall not be a Hardship.

     8.6  DESIGNATION OF BENEFICIARY.  Any Director who elects to defer any or
all of his Compensation shall have the right to designate a beneficiary, or
beneficiaries who are to receive distribution of those payments if the Director
dies before the distribution as elected under this Article is made.  Any
beneficiary designation, or change in the beneficiary designation, shall be made
in writing by completing and furnishing to the Committee or its Representative
the appropriate

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form attached hereto as Exhibit "C." The last designation of beneficiary
received by the Committee or its Representative shall be controlling over any
testamentary or purported disposition by the Director, provided that no
designation, or change of designation thereof shall be effective unless received
by the Committee prior to the death of the Director. If there is no designated
beneficiary living at the time distribution of any Compensation is to be made,
or if any designation of beneficiary shall be ineffective for any reason, then
the Compensation shall be paid to the estate of the Director.

     8.7  CHANGE OF CONTROL

          (a) Distribution upon a Change of Control.  Notwithstanding the fact
     that the Deferral Period may not have ended and notwithstanding a prior
     election by a Director to have deferred Compensation distributed in
     installments, if, prior to a Change of Control, a Director shall have
     elected in a form and manner reasonably satisfactory to the Company that
     his Investment Fund Unit account (including, without limitation, deferred
     Compensation, interest, dividends and earnings thereon, and any amount
     attributable to Stock Units that were automatically converted upon the
     occurrence of the Change of Control) shall be distributed to the Director
     in a lump sum upon a Change of Control, such amount shall be so paid.

          (b) Definition of Change of Control.  As used in the Plan, 'Change of
     Control' shall mean:

               (i)  the acquisition by any 'Person' (as defined in Section
          8.7(c) hereof) of 'Beneficial Ownership' (as defined in Section 8.7(c)
          hereof) of 30% or more of the outstanding Shares of the Company's
          Common Stock, $0.10 par value per share (the 'Common Stock') or 30% or
          more of the combined voting power of the Company's then outstanding
          securities; provided, however, that for purposes of this subsection
          8.7(b)(i), the following shall not constitute a Change of Control:

                    (A) any acquisition (other than a 'Business Combination' (as
               defined in Section 8.7(b)(iii) hereof) which constitutes a Change
               of Control under Section 8.7(b)(iii) hereof) of Common Stock
               directly from the Company,

                    (B) any acquisition of Common Stock by the Company or its
               subsidiaries,

                    (C) any acquisition of Common Stock by any employee benefit
               plan (or related trust) sponsored or maintained by the Company or
               any corporation controlled by the Company, or

                    (D) any acquisition of Common Stock by any corporation
               pursuant to a Business Combination which does not constitute a
               Change of Control under Section 8.7(b)(iii) hereof; or

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               (ii)  individuals who, as of the effective date of this amendment
          to the Plan, constitute the Board (the 'Incumbent Board') cease for
          any reason to constitute at least a majority of the Board; provided,
          however, that any individual becoming a director subsequent to the
          effective date of this amendment to the Plan whose election, or
          nomination for election by the Company's shareholders, was approved by
          a vote of at least a majority of the directors then comprising the
          Incumbent Board shall be considered a member of the Incumbent Board,
          unless such individual's initial assumption of office occurs as a
          result of an actual or threatened election contest with respect to the
          election or removal of directors or other actual or threatened
          solicitation of proxies or consents by or on behalf of a Person other
          than the Incumbent Board; or

               (iii) consummation of a reorganization, merger or consolidation
          (including a merger or consolidation of the Company or any direct or
          indirect subsidiary of the Company), or sale or other disposition of
          all or substantially all of the assets of the Company (a 'Business
          Combination'), in each case, unless, immediately following such
          Business Combination,

                     (A) the individuals and entities who were the Beneficial
               Owners of the Company's outstanding Common Stock and the
               Company's voting securities entitled to vote generally in the
               election of directors immediately prior to such Business
               Combination have direct or indirect Beneficial Ownership,
               respectively, of more than 50% of the then outstanding shares of
               common stock, and more than 50% of the combined voting power of
               the then outstanding voting securities entitled to vote generally
               in the election of directors, of the Post-Transaction Corporation
               (as defined in Section 8.7(c) hereof), and

                     (B) except to the extent that such ownership existed prior
               to the Business Combination, no Person (excluding the Post-
               Transaction Corporation and any employee benefit plan or related
               trust of either the Company, the Post-Transaction Corporation or
               any subsidiary of either corporation) Beneficially Owns, directly
               or indirectly, 30% or more of the then outstanding shares of
               common stock of the corporation resulting from such Business
               Combination or 30% or more of the combined voting power of the
               then outstanding voting securities of such corporation, and

                     (C) at least a majority of the members of the board of
               directors of the Post-Transaction Corporation were members of the
               Incumbent Board at the time of the execution of the initial
               agreement, or of the action of the Board, providing for such
               Business Combination; or

               (iv)  approval by the shareholders of the Company of a complete
          liquidation or dissolution of the Company.

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          (c) Other Definitions.  As used in Section 8.7(b) hereof, the
     following words or terms shall have the meanings indicated:

               (i)  Affiliate:  'Affiliate' (and variants thereof) shall mean a
          Person that controls, or is controlled by, or is under common control
          with, another specified Person, either directly or indirectly.

              (ii)  Beneficial Owner:  'Beneficial Owner' (and variants
          thereof), with respect to a security, shall mean a Person who,
          directly or indirectly (through any contract, understanding,
          relationship or otherwise), has or shares (i) the power to vote, or
          direct the voting of, the security, and/or (ii) the power to dispose
          of, or to direct the disposition of, the security.

             (iii)  Person:  'Person' shall mean a natural person or company,
          and shall also mean the group or syndicate created when two or more
          Persons act as a syndicate or other group (including, without
          limitation, a partnership or limited partnership) for the purpose of
          acquiring, holding, or disposing of a security, except that 'Person'
          shall not include an underwriter temporarily holding a security
          pursuant to an offering of the security.

               (iv) Post-Transaction Corporation:  Unless a Change of Control
          includes a Business Combination (as defined in Section 8.7(b)(iii)
          hereof), 'Post-Transaction Corporation' shall mean the Company after
          the Change of Control.  If a Change of Control includes a Business
          Combination, 'Post-Transaction Corporation' shall mean the corporation
          resulting from the Business Combination unless, as a result of such
          Business Combination, an ultimate parent corporation controls the
          Company or all or substantially all of the Company's assets either
          directly or indirectly, in which case, 'Post-Transaction Corporation'
          shall mean such ultimate parent corporation."

                                  ARTICLE IX

                           REQUESTS FOR DISTRIBUTION

     9.1  REQUESTS UNDER THE PLAN.  A Director, or any other person or entity
claiming on behalf of a Director, may present a written request to the Committee
or its Representative for distribution of any amounts due or alleged to be due
under the Plan.  Within (30) days following receipt of the request, the
Committee shall advise the Director or other person or entity in writing of the
amounts payable and the method of distribution of such amounts.

     9.2  REVIEW OF REQUESTS.  If a request for distribution under the Plan is
not approved, the Committee shall set forth in writing in a manner calculated to
be understood by the Director or other person or entity:  (i) the specific
reason or reasons for the action taken; (ii) specific reference to the pertinent
provisions of the Plan upon which the action was taken; (iii) a description of
any additional material or information necessary to have the request approved
and an explanation of why such material or information is necessary; and (iv) an
explanation of the Committee's review

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procedure. The Committee shall afford the Director or other person or entity a
reasonable opportunity for a full and fair review by the Committee of its action
taken if requested to do so within thirty (30) days after receipt of the written
statement of the Committee's action.

                                   ARTICLE X

                                 MISCELLANEOUS

     10.1 EFFECTIVE DATE.  This Plan, as amended and restated, shall be
effective October 1, 1999 and shall continue until amended or terminated by the
Board.

     10.2 EFFECT OF THE PLAN.  The establishment and continuance of the Plan by
the Company shall not constitute a contract of service between the Company and
any Director, and shall not be deemed to be consideration for, inducement to, or
a condition of service of any person.  The deferral of any Compensation pursuant
to the provisions of the Plan shall not limit the rights of the shareholders or
Directors of the Company to remove a Director as permitted by the Certificate of
Incorporation, By-Laws or applicable laws.  No trust or other fiduciary
relationships shall be created or deemed to arise from any deferrals under the
Plan.

     10.3 PROHIBITION AGAINST ASSIGNMENT.  The right of any Director (or his
designated beneficiary) to receive any payment or installment under the Plan
shall not be subject in any manner to attachment or other legal process or
proceedings for discharge of the debts of the Director or beneficiary, and any
such payment or installment shall not be subject to anticipation, alienation,
sale, transfer, assignment, pledge, mortgage or encumbrance.

     10.4 AMENDMENT AND TERMINATION.  (i) The Board intends to continue the Plan
indefinitely but reserves the right to modify the Plan from time to time, or to
repeal the Plan entirely, or to direct the permanent discontinuances or
temporary suspension of payments under the Plan; provided that no such
modification, repeal, discontinuance or suspension shall affect or otherwise
deprive the Directors of any payments to which they may be entitled under the
Plan at the time thereof; (ii) No amendment or termination of this Plan shall,
without the consent of the participants under the Plan or beneficiaries
thereunder change the amount of deferred Compensation owed such person under the
Plan; and (iii) Upon any termination of the Plan, each Director (or, if no
longer living, the Director's beneficiary) entitled to or receiving payments
hereunder shall be promptly paid in a cash lump sum all deferred Compensation
(together with interest and/or dividends thereon) owed to the Director and
accounted for in the Director's Stock Unit or Investment Fund Unit account.
Amounts owed and Fair Market Value shall be determined as of the effective date
of such termination.

     10.5 GOVERNING LAW.  Except to the extent preempted or superseded by the
federal laws of the United States of America, the laws of the State of Louisiana
will govern the Plan.

     10.6 NOTICES.  All notices, reports, statements, distributions or payments
given, made, delivered or transmitted to a Director or his designated
beneficiary shall be deemed to be duly given, made, delivered or transmitted
when mailed, by first class mail, postage prepaid, addressed to the

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Director or beneficiary at the address appearing on the books of the Committee.
Written directions, notices, and other communciations to the Company, the
Committee or its Representative, shall be deemed to be duly given, made or
delivered when received by the Committee or its Representative at such location
as may from time to time be specified.

     10.7 GENDER AND NUMBER.  Whenever appropriate in the Plan, the masculine
gender shall be construed to include the feminine, and the feminine gender shall
be construed to include the masculine.  Words in the singular shall be construed
to include the plural, and the plural to include the singular.

     Executed effective the 1st day of October, 1999.

                                    Tidewater Inc.

                                    By: /s/ Ken C. Tamblyn
                                        -------------------------------
                                            Ken C. Tamblyn
                                        Executive Vice President and
                                           Chief Financial Officer

Attest:

By: /s/ Michael L. Goldblatt
    ---------------------------
    Michael L. Goldblatt
    Assistant Secretary

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                                                                       Exhibit A

                          DEFERRED COMPENSATION PLAN
                           FOR OUTSIDE DIRECTORS OF
                                TIDEWATER INC.

                           Annual Deferral Election

     WHEREAS, Tidewater Inc. (the "Company") has established a formal deferred
compensation plan (hereinafter the "Plan") for members of its Board of Directors
who are not full-time employees of the Company ("Outside Directors") and

     WHEREAS, the Plan permits Outside Directors to elect to defer annual
retainer fees, Board meeting attendance fees, and Committee meeting attendance
fees ("Compensation") in accordance with the terms of the Plan:

     NOW, THEREFORE, I, _______________________, do irrevocably elect to defer
_____% (25% increments) of the Compensation I earn with respect to Board
services I shall perform for the Company during the calendar year beginning
January 1, ______, subject to the following understandings and restrictions.

     1. I understand that following my death any amounts due to me under the
        Plan will be distributed as directed in my Designation of Beneficiary
        form.

     2. I hereby elect that my Compensation otherwise be deferred until:

        (a) my termination of Board service, as described in the Plan, or

        (b) the following date, which is at least two years following the date
              my Compensation for the year would be paid if it were not
              deferred:

            _______________, 20___. (If a date is selected, Compensation will be
            deferred until this date, regardless of termination of Board
            service.)

     3. Under this election and pursuant to Section 4.2 of the Plan, I direct
        the Company to:

        (a)  _______   allocate _____% of my deferred Compensation in the form
                       of hypothetical units of the Company's common stock (the
                       "Stock Units");

        (b)  _______   allocate _____% of my deferred Compensation in the form
                       of hypothetical Investment Fund Units of one or more of
                       the following Investment Funds, which are described on
                       the attached materials:

                                      A-1
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             _____%    ________________________________
             _____%    ________________________________
             _____%    ________________________________

     4. I understand that my deferred Compensation and all earnings thereon will
        be distributed to me in a lump sum unless I elect to receive the
        distribution in annual installments over not less than two nor more than
        10 years. An election to receive a distribution in installments may be
        made now or at any time at least 13 months in advance of the end of the
        Deferral Period (as defined in the Plan). I choose to elect at this time
        to receive my distribution in _______ annual installments.

     5. All other terms of this Deferral Election shall be governed by the Plan
        and any amendment thereto in effect at the time of this election. All of
        the terms and conditions of the Plan are incorporated herein by
        reference.

     6. I acknowledge, by my signature below, that I have read and understand
        the terms of the Plan.

     IN WITNESS WHEREOF, I affix my signature to this election the _____ day of
_____________, ______.

                                    -----------------------------------
                                    (Signature of Participant)

Receipt Acknowledged:               Tidewater Inc.

                                    By:
                                          -------------------------
                                    Date:
                                          -------------------------

                                      A-2
<PAGE>

                                                                       Exhibit B

                          DEFERRED COMPENSATION PLAN
                           FOR OUTSIDE DIRECTORS OF
                                TIDEWATER INC.

               Election to Receive Distribution in Installments

     I am a participant in the Deferred Compensation Plan for Outside Directors
of Tidewater Inc. (the "Plan").  I understand that my Compensation deferred
under the Plan will be distributed to me or to my beneficiaries in a lump sum,
unless I otherwise elect within the time period provided in the Plan to receive
my distribution in between two and ten annual installments.  I hereby elect to
receive distribution of amounts to which I am entitled under the Plan in ______
annual installments.  I understand that upon my death, my account balance will
be distributed to my beneficiaries in either a lump sum or such installments as
are specified by me in the Designation of Beneficiary form.

Date: ___________________                  ____________________________________
                                                 (Signature of Participant)

                                           ____________________________________
                                                   (Print Name of Participant)

                                      B-1
<PAGE>

                                                                       Exhibit C

                          DEFERRED COMPENSATION PLAN
                           FOR OUTSIDE DIRECTORS OF
                                TIDEWATER INC.

                          Designation of Beneficiary

     1.   I am a participant in the Deferred Compensation Plan for Outside
Directors of Tidewater Inc. (the "Plan") and I hereby designate the following as
my beneficiaries under the Plan:

                  Name (age if under 18)        Relationship

Primary
                  -------------------------     -----------------------
Secondary
                  -------------------------     -----------------------

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

     2.   Following my death, I elect to have all undistributed amounts due to
me distributed to my beneficiaries as follows:

     (check one)

     [_]  in _______ (between 2 and 10) annual installments; or

     [_]  in a lump sum.

     3.   This designation shall be subject to the terms of, and any amounts
which become payable hereunder shall be governed by, the Plan as from time to
time in effect.

Date: _______________________               ___________________________________
                                                   (Signature of Participant)

                                            ___________________________________
                                                   (Print Name of Participant)

                                      C-1<PAGE>

                                                                   EXHIBIT 10(j)

                                TIDEWATER INC.
                   EXECUTIVES' SUPPLEMENTAL RETIREMENT TRUST
                    (As Restated Effective October 1, 1999)

     WHEREAS, Tidewater Inc., a Delaware corporation (the "Company") maintains
the Executives' Supplemental Retirement Trust (the "Trust"), the provisions of
which are at present expressed in a trust restatement effective January 1, 1993
and amendments thereto effective January 20, 1994, September 30, 1996, and two
amendments effective October 1, 1999;

     WHEREAS, the Board of Directors has authorized the restatement of the
Trust, as amended, Section 11(a) of the Trust authorizes such amendment, and the
Board of Directors has determined that this restatement does not deprive any
participant or beneficiary in the Plans (as defined below) of any accrued right
or benefit under the Plans;

     WHEREAS, the Company has adopted the Tidewater Inc. Supplemental Executive
Pension Plan (the "Pension SERP") for the benefit of certain management or
highly compensated employees and for the benefit of employees of related
employers (the Company and each related employer hereinafter referred to as
"Employer" or collectively as "Employers") and the Company and/or its
subsidiaries have entered into and may continue to enter into Change of Control
Agreements (the "Change of Control Agreements") and certain other non-qualified
deferred compensation plans or agreements, which may be designated by the
Company's Board of Directors as plans or agreements for which the Trust may be
used ("Other Plans"), (the Pension SERP, the Change of Control Agreements and
Other Plans, collectively referred to herein as the "Plans");

     WHEREAS, the Employers have incurred or expect to incur liability under the
terms of such Plans with respect to the individuals participating in such Plans;

     WHEREAS, the Employers wish to restate the Trust previously established to
assist in satisfying obligations under the Plans and to contribute to the Trust
assets that shall be held therein, subject to the claims of an Employer's
creditors in the event of an Employer's Insolvency, as herein defined, until
paid to Plan participants and their beneficiaries in such manner and at such
times as specified in the Plans; and

     WHEREAS, it is the intention of the parties that this Trust shall
constitute an unfunded arrangement and shall not affect the status of the Plans
as unfunded plans maintained for the purpose of providing deferred compensation
for a select group of management or highly compensated employees for purposes of
Title I of the Employee Retirement Income Security Act of 1974;

     NOW THEREFORE, the Trust is hereby restated to read its entirety as
follows:

     SECTION 1.  ESTABLISHMENT OF TRUST
                 ----------------------

     (a) The Employers have previously deposited with Trustee in trust funds to
be held, administered and disposed of by Trustee as provided in this Trust
Agreement.

                                       1
<PAGE>

     (b) Except as provided in Sections 3 and 4, the Trust hereby established
shall be irrevocable.

     (c) The Trust is intended to be a grantor trust, of which the Employers are
the grantors, within the meaning of subpart E, part I, subchapter J, chapter 1,
subtitle A of the Internal Revenue Code of 1986, as amended, and shall be
construed accordingly.  The Employers are also the sole income and principal
beneficiaries of the Trust for purposes of La. R. S. 9:1805, et seq.

     (d) The principal of the Trust, and any earnings thereon shall be held
separate and apart from other funds of the Employers and shall be applied for
the uses and purposes of Plan participants and general creditors as herein set
forth.  Plan participants and their beneficiaries shall have no preferred claim
on, or any beneficial ownership interest in, any assets of the Trust.  Any
rights created under the Plans and this Trust Agreement shall be mere unsecured
contractual rights of Plan participants and their beneficiaries against the
Employers.

     (e) Each Employer shall be the grantor and owner for income tax purposes of
that portion of the Trust attributable to amounts funded by such Employer.  Such
amounts with respect to a particular Employer, including earnings, are
hereinafter referred to as an "Employer Trust Fund."  An Employer Trust Fund is
available to such Employer's creditors in the event of Insolvency, as defined in
Section 3(a) herein, of such Employer.  The Trustee shall separately account for
each Employer Trust Fund.

     (f) The Employers, in their sole discretion, may at any time, or from time
to time, make additional deposits of cash or other property in trust with
Trustee to augment the principal to be held, administered and disposed of by
Trustee as provided in this Trust Agreement.  Neither Trustee nor any Plan
participant or beneficiary shall have any right to compel such additional
deposits.

     (g)  (1)  Upon a Potential Change of Control (as defined in Section 12
hereof), the Company shall make (or shall cause the respective Employers to
make), as soon as possible, but in no event later than fifteen (15) business
days following the Potential Change of Control, a contribution (which
contribution shall be, except as otherwise provided in Sections 1(g)(2), 3, 4
and 11 hereof, an irrevocable contribution) to the Trust in an amount which
(when aggregated with the assets then held by the Trust, valued at their then
fair market value) is equal to (i) the present value of the maximum benefits in
which all Plan participants (or their beneficiaries) would be vested pursuant to
the terms of the Plans as of the date on which the Potential Change of Control
occurred (calculated as if such Potential Change of Control were also a "Change
of Control" as defined in the relevant Plan and as if any vesting of benefits
which the relevant Plan requires upon a Change of Control had already occurred),
plus (ii) a reasonable estimated amount for the Trust's expenses during its term
(such estimate not to exceed one percent (1%) of such present value).  The sum
of the amounts described in items (i) and (ii) of the immediately preceding
sentence is hereinafter called the "Required Funding Amount."  The Company
hereby authorizes and directs its chief executive officer, and its chief
financial officer, or either of them acting alone, to contribute (or to cause
the respective Employers to contribute) the Required Funding Amount without the
further approval of the board of directors of the Company (the "Board").  The
Company shall be solely responsible for the determination of the contribution.

                                       2
<PAGE>

The Trustee shall be entitled to rely upon the calculation of such contribution
and shall have no responsibility to determine whether the amount of such
contribution is consistent with the provisions of this Section 1(g)(1) or the
terms of the Plans.

          (2) In the event that, prior to any delivery pursuant to Section
1(g)(1) hereof, the Trust was only nominally funded and the Company delivers an
amount to the Trustee upon a Potential Change of Control pursuant to Section
1(g)(1) hereof, the Trustee, when directed by the Company to do so, shall return
substantially all the Trust assets (retaining a nominal portion of such assets
as corpus for the continuing Trust) to the Company on the last day of the
eighteenth month following the month in which the Potential Change of Control
occurred, unless a Change of Control shall have occurred during such eighteen-
month period.  In the event that, prior to any delivery pursuant to Section
1(g)(1), the Trust had been more than nominally funded by discretionary
contributions from the Company which were calculated with reference to the
present value of Plan benefits from time to time and the Company delivers an
amount to the Trustee upon a Potential Change of Control pursuant to Section
1(g)(1) hereof, the Trustee, when directed by the Company to do so, shall return
the portion of such Section 1(g)(1) delivery which is equal to the sum of (i)
the amount the Company certifies to be equal to the Plan benefits attributable
solely to Change-of-Control vesting and (ii) the Trustee's estimate of the
Trust's expenses (retaining the balance of the Trust assets as corpus for the
continuing Trust) to the Company on the last day of the eighteenth month
following the month in which the Potential Change of Control occurred, unless a
Change of Control shall have occurred during such eighteen-month period.  Such
eighteen-month period shall begin anew (thus postponing any such discretionary
return of Trust assets) in the event of any subsequent Potential Change of
Control occurring during such initial period or any subsequent period.

          (3) Following the end of each calendar year which ends after a
Potential Change of Control has occurred, unless the assets delivered to the
Trustee pursuant to Section 1(g)(1)in connection with such Potential Change of
Control (or a portion of such assets) shall have previously been returned to the
Company pursuant to Section 1(g)(2) hereof or the Trust shall have previously
terminated pursuant to Section 11 hereof, the Company shall recalculate the
Required Funding Amount as if such Potential Change of Control had occurred at
the end of such calendar year.  Not later than sixty (60) days after each such
calendar year-end, the Trustee shall give notice to the Company as to the fair
market value of assets held in the Trust as of such calendar year-end.  If such
recalculated Required Funding Amount exceeds the fair market value of the assets
then held in the Trust, the Company shall within five days after receipt of
information from the Trustee pursuant to the immediately preceding sentence pay
(or cause the respective Employers to pay) to the Trustee an amount in cash (or
marketable securities or any combination thereof) equal to such excess;
provided, however, that if no such information has been received by the Company
before the ninetieth (90th) day following the respective calendar year-end, then
on or before the ninety-fifth (95th) day the Company shall pay (or cause the
respective Employers to pay) to the Trustee an amount in cash (or marketable
securities or any combination thereof) equal to the amount so paid the
immediately preceding year.  The Company hereby authorizes and directs its chief
executive officer, and its chief financial officer, or either of them acting
alone, to make such additional contributions (or to cause such additional
contributions to be made) without the further approval of the Board.  The
Company shall calculate the amount of any contribution required hereunder in
good faith.  The Trustee shall have no liability to review any such calculation
or to collect any contribution required hereunder.

                                       3
<PAGE>

     (h) All capitalized terms not defined in this Trust Agreement shall have
the same meaning as they have under the Plans or, if not defined in the Plans,
as defined in the Tidewater Pension Plan (the "Pension Plan").

     (i) Any ambiguities or gaps in this Trust Agreement shall be resolved by
reference to the applicable Plan document first and then by reference to the
Tidewater Pension Plan Trust Agreement (the "Pension Trust"), if applicable, but
only if consistent with the purposes set forth in this Trust.

     (j) The Trustee shall account separately for monies contributed pursuant to
the Pension SERP and earnings thereon for each Employer Trust Fund, for monies
contributed pursuant to each Change of Control Agreement and earnings thereon
for each Employer Trust Fund and for monies contributed pursuant to any Other
Plan and earnings thereon for each Employer Trust Fund and shall keep separate
bookkeeping accounts for that purpose to be known as the Pension Account, the
Change of Control Accounts, and the Other Plan Account.  Additional accounts may
be established at the request of the Company.  Except as otherwise provided
herein, the Trustee may collectively invest some or all of the funds credited to
the Pension Account, the Change of Control Accounts, and the Other Plan Account
so long as separate bookkeeping records are maintained.  Only benefits under the
Pension SERP shall be paid from the Pension Account, only benefits under the
particular Change of Control Agreement shall be paid from the Change of Control
Account related to such Agreement and only benefits under the Other Plan Account
shall be paid from that account.  In general, only benefits under a particular
Plan account shall be paid from that account.

     (k) The Trustee shall accept contributions from each Employer in an amount
that is required to be deposited in the Trust with respect to the named Plan
participant or beneficiary pursuant to the terms of the applicable Change of
Control Agreement between the Employer and such participant.

     SECTION 2.  PAYMENTS TO PLAN PARTICIPANTS AND THEIR BENEFICIARIES.
                 -----------------------------------------------------

     (a) Company shall deliver to Trustee a schedule (the "Payment Schedule")
that indicates the amounts payable in respect of each Plan participant (and his
or her beneficiaries), that provides a formula or other instructions acceptable
to Trustee for determining the amounts so payable, the form in which such amount
is to be paid (as provided for or available under the Plans), and the time of
commencement for payment of such amounts.  Except as otherwise provided herein,
Trustee shall make payments to the Plan participants and their beneficiaries in
accordance with such Payment Schedule.  When requested by the Employers, and in
reliance upon information provided by the Employers, the Trustee shall make
provision for the reporting and withholding of any federal, state or local taxes
that may be required to be withheld with respect to the payment of benefits
pursuant to the terms of the Plans and shall pay amounts withheld to the
appropriate taxing authorities.

     (b) The entitlement of a Plan participant or his or her beneficiaries to
benefits under the Plans shall be determined by Company or such party as it
shall designate under the Plans, and

                                       4
<PAGE>

any claim for such benefits shall be considered and reviewed under the
procedures set out in the Plans.

     (c) An Employer may make payment of benefits directly to Plan participants
or their beneficiaries as they become due under the terms of the Plans.  Company
shall notify Trustee of a decision to make payment of benefits directly prior to
the time amounts are payable to participants or their beneficiaries.  In
addition, if the principal of the Trust, and any earnings thereon, are not
sufficient to make payments of benefits in accordance with the terms of the
Plans, the Employer shall make the balance of each such payment as it falls due.
Trustee shall notify Company where principal and earnings are not sufficient.

     (d) All distributions shall be in the form of cash.

     SECTION 3.  TRUSTEE RESPONSIBILITY REGARDING PAYMENTS TO
                 --------------------------------------------
                 TRUST BENEFICIARY WHEN AN EMPLOYER IS INSOLVENT.
                 -----------------------------------------------

     (a)  Trustee shall cease payment of benefits to Plan participants and their
beneficiaries from an Employer Trust Fund if such Employer is Insolvent. An
Employer shall be considered "Insolvent" for purposes of this Trust Agreement if
(i) such Employer is unable to pay its debts as they become due, or (ii) such
Employer is subject to a pending proceeding as a debtor under the United States
Bankruptcy Code.

     (b)  At all times during the continuance of this Trust, as provided in
Section 1(e) hereof, the principal and income of the Trust shall be subject to
claims of general creditors of such Employer under federal and state law as set
forth below.

          (1) The Board of Directors and the Chief Executive Officer of an
Employer shall have the duty to inform Trustee in writing of such Employer's
Insolvency.  If a person claiming to be a creditor of an Employer alleges in
writing to Trustee that such Employer has become Insolvent, Trustee shall
determine whether such Employer is Insolvent and, pending such determination,
Trustee shall discontinue payment of benefits to Plan participants or their
beneficiaries from such Employer's Trust Fund.

          (2) Unless Trustee has actual knowledge of such Employer's Insolvency,
or has received notice from an Employer or a person claiming to be a creditor
alleging that such Employer is Insolvent, Trustee shall have no duty to inquire
whether such Employer is Insolvent.  Trustee may in all events rely on such
evidence concerning such Employer's solvency as may be furnished to Trustee and
that provides Trustee with a reasonable basis for making a determination
concerning such Employer's solvency.

          (3) If at any time Trustee has determined that an Employer is
Insolvent, Trustee shall discontinue payments to Plan participants or their
beneficiaries from such Employer's Trust Fund and shall hold the assets of such
Trust for the benefit of such Employer's general creditors.  Nothing in this
Trust Agreement shall in any way diminish any rights of Plan participants or
their beneficiaries to pursue their rights as general creditors of an Employer
with respect to benefits due under the Plans or otherwise.

                                       5
<PAGE>

          (4) Trustee shall resume the payment of benefits to Plan participants
or their beneficiaries from an Employer's Trust Fund in accordance with Section
2 of this Trust Agreement only after Trustee has determined that such Employer
is not Insolvent (or is no longer Insolvent).

          (5) In no event shall the Employer Trust Fund of one Employer be
available to the creditors of any other Employer and to that extent shall be
held subject to the maximum restraint on involuntary alienation permitted by the
Louisiana Trust Code.

     (c)  Provided that there are sufficient assets, if Trustee discontinues the
payment of benefits from the Trust pursuant to Section 3(b) hereof and
subsequently resumes such payments, the first payment following such
discontinuance shall include the aggregate amount of all payments due to Plan
participants or their beneficiaries under the terms of the Plans for the period
of such discontinuance, less the aggregate amount of any payments made to Plan
participants or their beneficiaries by the Employer in lieu of the payments
provided for hereunder during any such period of discontinuance.

     (d)  Overriding Provisions. To the extent inconsistent with any other
          ---------------------
provision of this Trust document, the provisions of this Section 3, if they
become applicable, shall govern.

     SECTION 4.  PAYMENTS TO COMPANY.
                 -------------------

     Except as provided in Section 3 hereof, an Employer shall have no right or
power to direct Trustee to return to such Employer or to divert to others any of
the Trust assets before all payment of benefits has been made to Plan
participants and their beneficiaries pursuant to the terms of the Plan;
provided, however, that an Employer shall have the right at any time (except as
provided in the next paragraph) to revoke the Employer Trust Fund attributable
to it, in part or in whole, provided that the assets remaining in the Employer
Trust Fund after the revocation have a value that is no less than 100% of the
present value of the accrued benefits of the Participants in the Employer's
Plan, based on the provisions of the Plan in effect on the date of the
revocation, as determined by an actuary as of a date that is within 30 days of
the date of the revocation, using the same methods to determine actuarial
equivalents as are being used at that time to determine funding obligations
under the Tidewater Pension Plan.  An Employer revoking the Trust under this
paragraph shall certify to the Trustee that the requirements of this paragraph
have been met, and the Trustee shall be entitled to rely upon such certification

     The Company shall not have the right to revoke the Trust after the
occurrence of a Change of Control or a Potential Change of Control; provided,
however, that if no Change of Control occurs by the end of the 18-month period
following a Potential Change of Control, this limitation will be lifted at that
time.  If a later Potential Change of Control occurs, even if prior to the end
of the 18-month period beginning with a prior Potential Change of Control, a new
18-month period shall run from the occurrence of the later Potential Change of
Control.

     SECTION 5.  INVESTMENT AUTHORITY.
                 --------------------

     (a)  All amounts corresponding to accrued supplemental pension benefits
under the Pension SERP, all amounts contributed pursuant to each Change of
Control Agreement and all

                                       6
<PAGE>

amounts contributed pursuant to any Other Plan shall be held in the Trust in one
or more general investment funds (the "General Funds") and invested in
authorized investments under the terms of the Pension Trust (but excluding
securities issued by the Company) selected in the discretion of the Trustee. The
Compensation Committee of the Board of Directors of Company may appoint an
investment manager, in which event the provisions on the responsibilities of the
Investment Manager and the Trustee as set forth in the Pension Trust apply.

     (b) The Employers shall have the right at any time, and from time to time
in its sole discretion, to substitute assets of equal fair market value for any
assets held by the Trust.  This right is exercisable by the Employers in a non-
fiduciary capacity without the approval or consent of any person in a fiduciary
capacity.

     SECTION 6.  DISPOSITION OF INCOME.
                 ---------------------

     During the term of this Trust, all income received by the Trust, net of
expenses and taxes, shall be accumulated and reinvested.

     SECTION 7.  ACCOUNTING BY TRUSTEE.
                 ---------------------

     Within a reasonable period after the close of each calendar quarter, the
Trustee shall furnish the Employee Benefits Committee of Company with a complete
accounting showing the assets held in each of the investment funds in the Trust
as of the last day of the quarter and their fair market value.  The accounting
also shall contain a statement of any purchases, sales, distributions, and
contributions during the calendar quarter. The accounting shall indicate what
proportions of each investment fund is attributable to the Pension Account, what
proportion is attributable to the Change of Control Account, and what proportion
is attributable to the Other Plan Account.

     SECTION 8.  RESPONSIBILITY OF TRUSTEE.
                 -------------------------

     (a) The Trustee shall have no obligation (i) to ascertain the correctness
of any information it receives from the Company's Employee Benefits Committee,
the Board of Directors of the Company, or the Compensation Committee of the
Board of Directors, (ii) to ascertain that any instructions it receives from any
such body are consistent with the Plans; (iii) to determine whether any action
taken hereunder is consistent with the terms of the Plan or Plans; or (iv) to
resolve any ambiguity or inconsistency between the terms of this Trust and the
terms of any Plan.

     (b) Trustee shall have, without exclusion, all powers conferred on Trustees
by applicable law, unless expressly provided otherwise herein, provided,
however, that if an insurance policy is held as an asset of the Trust, Trustee
shall have no power to name a beneficiary of the policy other than the Trust, to
assign the policy (as distinct from conversion of the policy to a different
form) other than to a successor Trustee, or to loan to any person the proceeds
of any borrowing against such policy.

     (c) Notwithstanding any powers granted to Trustee pursuant to this Trust
Agreement or to applicable law, Trustee shall not have any power that could give
this Trust the objective of

                                       7
<PAGE>

carrying on a business and dividing the gains therefrom, within the meaning of
section 301.7701-2 of the Procedure and Administrative Regulations promulgated
pursuant to the Internal Revenue Code.

     SECTION 9.   COMPENSATION AND EXPENSES OF TRUSTEE.
                  ------------------------------------

     Company shall pay all administrative and Trustee's fees and expenses.  If
not so paid, the fees and expenses shall be paid from the Trust.

     SECTION 10.  RESIGNATION AND REMOVAL OF TRUSTEE.
                  ----------------------------------

     (a) Hibernia National Bank shall be the trustee of the Trust.  Any party
serving as trustee of the Trust shall be referred to herein as the "Trustee."

     (b) Any Trustee may resign, and the Board of Directors of the Company may
remove the Trustee, upon 30 days' written notice, one to the other.  The Board
of Directors of the Company shall fill any vacancy in the office of the Trustee.
Any successor Trustee to Hibernia National Bank shall be a bank or trust company
organized under the laws of the United States or any jurisdiction thereof,
having a combined capital and surplus of at least $150,000,000, if there be such
an institution willing, able and legally qualified to perform the duties of the
Trustee hereunder.

     (c) Upon resignation or removal of Trustee and appointment of a successor
Trustee, all assets shall  subsequently be transferred to the successor Trustee.
The transfer shall be completed within 30 days after receipt of notice of
resignation, removal or transfer, unless Company extends the time limit.

     (d) If Trustee resigns or is removed, a successor shall be appointed, in
accordance with this Section, by the effective date of resignation or removal
under paragraph (b) of this section.  If no such appointment has been made,
Trustee may apply to a court of competent jurisdiction for appointment of a
successor or for instructions.  All expenses of Trustee in connection with the
proceeding shall be allowed as administrative expenses of the Trust.

     SECTION 11.  AMENDMENT OR TERMINATION.
                  ------------------------

     (a) The Trust shall terminate on the date on which the Company certifies to
the Trustee that payment of all Plan benefits to Plan participants (and their
beneficiaries) has been completed and that there are no longer any Plan
participants or beneficiaries who are entitled to benefits pursuant to the terms
of the Plans which have not yet been paid.  Any amendment to the Trust which
purports to terminate the Trust at any earlier date shall be effective only if
made in accordance with Section 11(b) or 11(c) hereof.  Promptly upon
termination of the Trust, any Trust assets remaining after the payment of Plan
benefits and the Trustee's fees and expenses shall be paid to the Company (or to
the respective Employers, as the case may be).

     (b) Prior to a Potential Change of Control, notwithstanding any other
provision hereof, the Company may amend this Trust (including making an
amendment which terminates the Trust), without the consent of the Plan
participants by written instrument executed by the

                                       8
<PAGE>

Company and delivered to the Trustee; provided, however, that no amendment shall
operate to deprive any participant or beneficiary of any rights accrued to them
under the Trust prior to such amendment; and, provided, further, that the
approval of the Trustee is required for any amendment that materially increases
the duties of the Trustee.

     (c) Upon and after the occurrence of a Potential Change of Control,
notwithstanding any other provision hereof, this Trust may be amended by the
Company (including making an amendment which terminates the Trust), if consented
to in writing by the Plan participants (or in the event of their deaths, their
beneficiaries) who were Plan participants immediately prior to the Potential
Change of Control ("Continuing Participants") and who at the time of such
consent have unpaid Plan benefits equal to at least sixty-five percent (65%) of
all unpaid Plan benefits of Continuing Participants; provided, however, that the
written consent of the Continuing Participants shall not be required for any
termination of the Trust or Trust amendment that does not adversely affect their
rights.  No amendment made upon or after a Change of Control can make the Trust
revocable solely by the Company.

     SECTION 12.  POTENTIAL CHANGE OF CONTROL AND CHANGE OF CONTROL.
                  -------------------------------------------------

     (a) Overriding Provisions; Duty to Inform.  To the extent inconsistent with
         -------------------------------------
any other provision of this Trust document, the provisions of this Section 12
shall govern, except that the provisions of Section 3 hereof shall govern, if
they become applicable.  The board of directors of the Employer and the chief
executive officer of the Employer shall each have the duty to inform the Trustee
promptly in writing of the occurrence of any Potential Change of Control and of
any Change of Control.  The Trustee shall have no obligation to determine the
occurrence of a Potential Change of Control or Change of Control hereunder.

     (b) Potential Change of Control.  For purposes of this Trust, a 'Potential
         ---------------------------
Change of Control' shall be deemed to have occurred if the conditions set forth
in any one of the following paragraphs (i), (ii) or (iii) shall have been
satisfied:

          (i)  the Company enters into an agreement, the consummation of which
     would result in the occurrence of a 'Change of Control' (as defined in
     Section 12(c) hereof);

          (ii)  the Company or any Person (as defined in Section 12(d) hereof)
     publicly announces (including within a written statement made pursuant to
     Section 13(d) of the Securities Exchange Act of 1934, as amended from time
     to time) an intention to take or to consider taking actions which, if
     consummated, would constitute a Change of Control; or

          (iii)  the Board adopts a resolution to the effect that, for purposes
     of this Trust, a Potential Change of Control has occurred.

     (c) Change of Control.  As used in this Section 12, 'Change of Control'
         -----------------
shall mean:

          (i) the acquisition by any 'Person' (as defined in Section 12(d)
     hereof) of 'Beneficial Ownership' (as defined in Section 12(d) hereof) of
     30% or more of the

                                       9
<PAGE>

     outstanding Shares of the Company's Common Stock, $0.10 par value per share
     (the 'Common Stock') or 30% or more of the combined voting power of the
     Company's then outstanding securities; provided, however, that for purposes
     of this subsection 12(c)(i), the following shall not constitute a Change of
     Control:

               (A) any acquisition (other than a 'Business Combination' (as
          defined in Section 12(c)(iii) hereof) which constitutes a Change of
          Control under Section 12(c)(iii) hereof) of Common Stock directly from
          the Company,

               (B) any acquisition of Common Stock by the Company or its
               subsidiaries,

               (C) any acquisition of Common Stock by any employee benefit plan
          (or related trust) sponsored or maintained by the Company or any
          corporation controlled by the Company, or

               (D) any acquisition of Common Stock by any corporation pursuant
          to a Business Combination which does not constitute a Change of
          Control under Section 12(c)(iii) hereof; or

          (ii) individuals who, as of the effective date of this amendment to
     the Trust, constitute the Board (the 'Incumbent Board') cease for any
     reason to constitute at least a majority of the Board; provided, however,
     that any individual becoming a director subsequent to the effective date of
     this amendment whose election, or nomination for election by the Company's
     shareholders, was approved by a vote of at least a majority of the
     directors then comprising the Incumbent Board shall be considered a member
     of the Incumbent Board, unless such individual's initial assumption of
     office occurs as a result of an actual or threatened election contest with
     respect to the election or removal of directors or other actual or
     threatened solicitation of proxies or consents by or on behalf of a Person
     other than the Incumbent Board; or

          (iii)  consummation of a reorganization, merger or consolidation
     (including a merger or consolidation of the Company or any direct or
     indirect subsidiary of the Company), or sale or other disposition of all or
     substantially all of the assets of the Company (a 'Business Combination'),
     in each case, unless, immediately following such Business Combination,

               (A) the individuals and entities who were the Beneficial Owners
          of the Company's outstanding Common Stock and the Company's voting
          securities entitled to vote generally in the election of directors
          immediately prior to such Business Combination have direct or indirect
          Beneficial Ownership, respectively, of more than 50% of the then
          outstanding shares of common stock, and more than 50% of the combined
          voting power of the then outstanding voting securities entitled to
          vote generally in the election of directors, of the Post-Transaction
          Corporation (as defined in Section 12(d) hereof), and

               (B) except to the extent that such ownership existed prior to the

                                       10
<PAGE>

          Business Combination, no Person (excluding the Post-Transaction
          Corporation and any employee benefit plan or related trust of either
          the Company, the Post-Transaction Corporation or any subsidiary of
          either corporation) Beneficially Owns, directly or indirectly, 30% or
          more of the then outstanding shares of common stock of the corporation
          resulting from such Business Combination or 30% or more of the
          combined voting power of the then outstanding voting securities of
          such corporation, and

               (C) at least a majority of the members of the board of directors
          of the Post-Transaction Corporation were members of the Incumbent
          Board at the time of the execution of the initial agreement, or of the
          action of the Board, providing for such Business Combination; or

          (iv) approval by the shareholders of the Company of a complete
     liquidation or dissolution of the Company.

     (d) Other Definitions.  As used in Section 12(c) hereof, the following
         -----------------
words or terms shall have the meanings indicated:

          (i) Affiliate:  'Affiliate' (and variants thereof) shall mean a Person
     that controls, or is controlled by, or is under common control with,
     another specified Person, either directly or indirectly.

          (ii) Beneficial Owner:  'Beneficial Owner' (and variants thereof),
     with respect to a security, shall mean a Person who, directly or indirectly
     (through any contract, understanding, relationship or otherwise), has or
     shares (i) the power to vote, or direct the voting of, the security, and/or
     (ii) the power to dispose of, or to direct the disposition of, the
     security.

          (iii)  Person:  'Person' shall mean a natural person or company, and
     shall also mean the group or syndicate created when two or more Persons act
     as a syndicate or other group (including, without limitation, a partnership
     or limited partnership) for the purpose of acquiring, holding, or disposing
     of a security, except that 'Person' shall not include an underwriter
     temporarily holding a security pursuant to an offering of the security.

          (iv) Post-Transaction Corporation:  Unless a Change of Control
     includes a Business Combination (as defined in Section 12(c)(iii) hereof),
     'Post-Transaction Corporation' shall mean the Company after the Change of
     Control.  If a Change of Control includes a Business Combination, 'Post-
     Transaction Corporation' shall mean the corporation resulting from the
     Business Combination unless, as a result of such Business Combination, an
     ultimate parent corporation controls the Company or all or substantially
     all of the Company's assets either directly or indirectly, in which case,
     'Post-Transaction Corporation' shall mean such ultimate parent
     corporation."

     SECTION 13.  MISCELLANEOUS.
                  -------------

     (a) Any provision of this Trust Agreement prohibited by law shall be
ineffective to

                                       11
<PAGE>

the extent of any such prohibition, without invalidating the remaining
provisions hereof.

     (b) Benefits payable to Plan participants and their beneficiaries under
this Trust Agreement may not be anticipated, assigned (either at law or in
equity), alienated, pledged, encumbered or subjected to attachment, garnishment,
levy, execution or other legal or equitable process.

     (c) This Trust Agreement shall be governed by and construed in accordance
with the laws of Louisiana.

     (d) All taxes levied against the Trust or its income or assets shall be
paid by the Employers.  Notwithstanding the foregoing, the Employers shall not
be liable for any taxes assessed against Plan participants or their
beneficiaries as a result of their coverage under or receipt of benefits from
this Trust.

     SECTION 14.  ACCEPTANCE BY TRUSTEE.
                  ---------------------

     Hibernia National Bank in New Orleans accepts its appointment as Trustee
under the Trust.

     Executed this   3rd   day of      January      ,     2000   .
                   -------        ------------------  -----------

                              TIDEWATER INC.

                              By:    /s/ Ken C. Tamblyn
                                   --------------------
                                   Ken C. Tamblyn
                                   Executive Vice President and Chief
                                   Financial Officer

     Executed this    7    day of    January  ,  2000.
                   -------        ------------  -----

                              HIBERNIA NATIONAL BANK

                              By:      /s/ Tracy Mandart
                                   ---------------------

                                       12
<PAGE>

                                 A C K N O W L E D G M E N T

STATE OF LOUISIANA

PARISH OF ORLEANS

     BEFORE ME, the undersigned Notary Public, personally came and appeared Ken

C. Tamblyn, who, being by me sworn, did depose and state that he signed the

foregoing Second Restated Executives' Supplemental Retirement Trust as a free

act and deed on behalf of Tidewater Inc. for the purposes therein set forth.

                                     /s/ Ken C. Tamblyn
                                  ----------------------------------

SWORN TO AND SUBSCRIBED BEFORE ME

THIS  3rd   DAY OF       January      , 2000.
     ------        -------------------  ----

              /s/ John C. Duplantier
    -----------------------------------------
              NOTARY PUBLIC
              John C. Duplantier
              Notary Public
              Duly Commissioned in Orleans Parish, LA
              Qualified for the State of La. at Large
              My Commission is Issued for Life

                                       13
<PAGE>

                                 A C K N O W L E D G M E N T

STATE OF LOUISIANA

PARISH OF ORLEANS

     BEFORE ME, the undersigned Notary Public, personally came and appeared
Tracy Mandart, who, being by me sworn, did depose and state that he signed
-------------
the foregoing Second Restated Executives' Supplemental Retirement Trust as a
free act and deed on behalf of Hibernia National Bank for the purposes therein
set forth.

                                                  /s/ Tracy Mandart
                                               ----------------------------

SWORN TO AND SUBSCRIBED BEFORE ME

THIS 7th  DAY OF Jaunary, 2000.
     ---         -------  ----

                    /s/ Robert W. Clark
            ----------------------------------
                    NOTARY PUBLIC
                    Robert Wesley Clark
                    Notary Public and Attorney
                           Louisiana
                    My Commission is For Life

                                       14

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