Document:

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                                                                   EXHIBIT 10(e)

                                   Restated
                     Merrill Lynch Non-Qualified Deferred
                       Compensation Plan Trust Agreement

TRUST UNDER:

TIDEWATER INC. SECOND RESTATED EMPLOYEES' SUPPLEMENTAL SAVINGS PLAN

     This Agreement made effective this 1st day of October, 1999 by and between
Tidewater Inc. (Company) and Merrill Lynch Trust Company of America, an Illinois
corporation (Trustee);

     WHEREAS, Company has adopted the non-qualified deferred compensation
Plan(s) identified above and such other plan(s) as are listed in Appendix A;

     WHEREAS, Company has incurred or expects to incur liability under the terms
of such Plan(s) with respect to the individuals participating in such Plan(s);

     WHEREAS, Company wishes to establish a trust (the "Trust") and to
contribute to the Trust assets that shall be held therein, subject to the claims
of Company's Insolvency, as herein defined, until paid to the Plan participants
and their beneficiaries in such manner and at such times as specified in the
Plan(s);

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

     WHEREAS, it is the intention of Company to make contributions to the Trust
to provide itself with a source of funds to assist it in meeting of its
liabilities under the Plan(s);

     WHEREAS, the provisions of the Trust are at present expressed in a
document effective June 26, 1997 and amendment thereto effective October 1,
1999; and

     WHEREAS, the Board of Directors has authorized the restatement of the
Agreement, as amended and restated;

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

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     Section 1. Establishment of Trust.
     ----------------------------------

     (a) Company hereby deposits with Trustee in trust such cash and/or
marketable securities, if any, listed in Appendix B, which shall become the
principal of the Trust to be held, administered and disposed of by Trustee as
provided in this Trust Agreement.

     (b) The Trust hereby established shall be irrevocable.
     (c) The Trust is intended to be a grantor trust, of which Company is the
grantor, 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.

     (d) The principal of the Trust, and any earnings thereon, shall be held
separate and apart from other funds of Company and shall be used exclusively 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 Plan(s) and this Trust Agreement shall be mere unsecured
contractual rights of Plan participants and their beneficiaries against Company.
Any assets held by the Trust will be subject to the claims of Company's general
creditors under federal and state law in the event of Insolvency, as defined in
Section 3(a) herein.

     (e) Company, in its 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.

     (f) Trustee shall not be obligated to receive any cash and/or property
pursuant to this Section 1 unless prior thereto Trustee has agreed that such
cash and/or property is acceptable to Trustee and Trustee has received such
reconciliation, allocation, investment or other information concerning, or
representation with respect to, the cash and/or property as Trustee may require.
Trustee shall have no duty or authority to (a) require any deposits to be made
under the Plan or to Trustee, (b) compute any amount to be deposited under the
Plan to Trustee, or (c) determine whether amounts received by Trustee comply
with the Plan. Assets of the Trust may, in Trustee's discretion, be held in an
account with an affiliate of Trustee.

     (g)  (1)  Upon a Potential Change of Control (as defined in Section 14
hereof), the Company shall 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, and 13 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

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maximum benefits in which all Plan participants (or their beneficiaries) would
be vested pursuant to the terms of the Plan(s) 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 the Required Funding Amount without the further approval of the board
of directors of the Company (the "Board"). Immediately after the Company makes
such contribution, the Company shall provide the Trustee with copies of all
Plans, to the extent not previously provided, and other information used in the
Company's calculation of the Required Funding Amount, as well as its worksheets
for such calculation.

          (2) In the event that, prior to any delivery pursuant to Section
1(g)(1) hereof, the Trust was only nominally funded and that the Company
delivers an amount to the Trustee upon a Potential Change of Control pursuant to
Section 1(g)(1) hereof, the Trustee will, if directed by the Company and if
provided with a written certification from the Company that a Change of Control
has not occurred, 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 that the
Company delivers an amount to the Trustee upon a Potential Change of Control
pursuant to Section 1(g)(1) hereof, the Trustee will, if directed by the Company
and if provided with a written certification from the Company that a Change of
Control has not occurred, return the portion of such Section 1(g)(1) delivery
which is equal to the sum of (i) Plan benefits attributable solely to Change-of-
Control vesting and (ii) the 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 be
begun 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

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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 13 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.

          (4) The Trustee shall have no obligation to perform any of the
calculations provided for herein or to review any such calculations for
accuracy.

     Section 2.  Payments to Plan Participants and Their Beneficiaries.
     ------------------------------------------------------------------
     (a) With respect to each Plan participant, Company shall deliver to Trustee
a schedule (the "Payment Schedule") that indicates the amounts payable in
respect of the 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 Plan(s)), and the time of commencement for payment of such
amounts. The Payment Schedule shall be delivered to Trustee not more than (30)
business days nor fewer than (15) business days prior to the first date on which
a payment is to be made to the Plan participant. Any change to a Payment
Schedule shall be delivered to Trustee not more than (30) days nor fewer than
(15) days prior to the date on which the first payment is to be made in
accordance with the changed Payment Schedule. Except as otherwise provided
herein, Trustee shall make payments to Plan participants and their beneficiaries
in accordance with such Payment Schedule. The Trustee shall make provisions 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 Plan(s) and shall pay amounts withheld to the appropriate taxing
authorities or determine that such amounts have been reported, withheld and paid
by Company, it being understood among the

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parties hereto that (1) Company shall on a timely basis provide Trustee specific
information as to the amount of taxes to be withheld and (2) Company shall be
obligated to receive such withheld taxes from Trustee and properly pay and
report such amounts to the appropriate taxing authorities.

     (b) The entitlement of a Plan participant or his or her beneficiaries to
benefits under the Plan(s) shall be determined by Company or such party as it
shall designate under the Plan(s), and any claim for such benefits shall be
considered and reviewed under the procedures set out in the Plan(s).

     (c) Company may make payment of benefits directly to Plan participants or
their beneficiaries as they become due under the terms of the Plan(s). Company
shall notify Trustee of its 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
Plan(s), Company shall make the balance of each payment as it falls due. Trustee
shall notify Company where principal and earnings are not sufficient.

     (d) Trustee shall have no responsibility to determine whether the Trust is
sufficient to meet the liabilities under the Plan(s), and shall not be liable
for payments or Plan(s) liabilities in excess of the value of the Trust's
assets.

     Section 3. Trustee Responsibility Regarding Payments to Trust Beneficiary
     -------------------------------------------------------------------------
     When Company Is Insolvent.
     --------------------------

     (a) Trustee shall cease payment of benefits to Plan participants and their
beneficiaries if the Company is Insolvent. Company shall be considered
"Insolvent" for purposes of this Trust Agreement if (i) Company is unable to pay
its debts as they become due, or (ii) Company 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 l(d) hereof, the principal and income of the Trust shall be subject to
claims of general creditors of Company under federal and state law as set forth
below.
         (1)   The Board of Directors and the Chief Executive Officer of Company
               (or, if there is no Chief Executive Officer, the highest ranking
               officer) shall have the duty to inform Trustee in writing of
               Company's Insolvency. If a person claiming to be a creditor of
               Company alleges in writing to Trustee that Company has become
               Insolvent, Trustee shall determine whether Company is Insolvent
               and, pending such determination, Trustee shall discontinue
               payment of benefits to Plan participants or their beneficiaries.

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

          (3)  If at any time Trustee has determined that Company is Insolvent,
               Trustee shall discontinue payments to Plan participants or their
               beneficiaries and shall hold the assets of the Trust for the
               benefit of Company'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 Company with respect to benefits due under
               the Plan(s) or otherwise.

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

     (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 Plan(s) for the
period of such discontinuance, less the aggregate amount of any payments made to
Plan participants provided for hereunder during any such period of
discontinuance; provided that Company has given Trustee information with respect
to such payments made during the period of discontinuance prior to resumption of
payments by the Trustee.

     Section 4. Payments to Company.
     -------------------------------

     Except as provided in Section 1(g)(2) and Section 3 hereof, since the Trust
is irrevocable, in accordance with Section l(b) hereof, Company shall have no
right or power to direct Trustee to return to Company or to divert to others any
of the Trust assets before all payment of benefits have been made to Plan
participants and their beneficiaries pursuant to the terms of the Plan(s).

     Section 5. Investment Authority.
     --------------------------------

     (a) Trustee may invest in securities (including stock or rights to acquire
stock) or obligations issued by Company. All rights associated with assets of
the Trust shall be exercised by Trustee or the person designated by

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Trustee, and shall in no event be exercised by or rest with Plan participants,
except that voting rights with respect to Trust assets will be exercised by
Company, unless an investment adviser has been appointed pursuant to Section
5(c) and voting authority has been delegated to such investment adviser.

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

     (c) Trustee may appoint one or more investment advisers who are registered
as investment advisers under the Investment Advisers Act of 1940, who may be
affiliates of Trustee, to provide investment advice on a discretionary or non-
discretionary basis with respect to all or a specified portion of the assets of
the Trust.

     (d) Trustee, or the Trustee's designee, is authorized and empowered:

         (1)   To invest and reinvest Trust assets, together with the income
               therefrom, in common stock, preferred stock, convertible
               preferred stock, bonds, debentures, convertible debentures and
               bonds, mortgages, notes, commercial paper and other evidences of
               indebtedness (including those issued by the Trustee), shares of
               mutual funds (which funds may be sponsored, managed or offered by
               an affiliate of the Trustee), guaranteed investment contracts,
               bank investment contracts, other securities, policies of life
               insurance, annuity contracts, options, options to buy or sell
               securities or other assets, and all other property of any type
               (personal, real or mixed, and tangible or intangible);

         (2)   To deposit or invest all or any part of the assets of the Trust
               in savings accounts or certificates of deposit or other deposits
               in a bank or saving and loan association or other depository
               institution, including the Trustee or any of its affiliates,
               provided with respect to such deposits with Trustee or an
               affiliate the deposits bear a reasonable interest rate;

         (3)   To hold, manage, improve, repair and control all property, real
               or personal, forming part of the Trust; to sell, convey,
               transfer, exchange, partition, lease for any term, even extending
               beyond the duration of this Trust, and otherwise dispose of the
               same from time to time;

         (4)   To hold in cash, without liability for interest, such portion of
               the Trust as is pending investments, or payment of expenses, or
               the distribution of benefits;

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          (5)  To take such actions as may be necessary or desirable to protect
               the Trust from loss due to the default on mortgages held in the
               Trust including the appointment of agents or trustees in such
               other jurisdictions as may seem desirable, to transfer property
               to such agents or trustees, to grant to such agents such powers
               as are necessary or desirable to protect the Trust, to direct
               such agent or trustee, or to delegate such power to direct, and
               to remove such agent or trustee;

          (6)  To settle, compromise or abandon all claims and demands in favor
               of or against the Trust;

          (7)  To exercise all of the further rights, powers, options and
               privileges granted, provided for, or vested in trustees generally
               under the laws of the state in which the Trustee is incorporated
               as set forth above, so that the powers conferred upon the Trustee
               herein shall not be in limitation of any authority conferred by
               law, but shall be in addition thereto;

          (8)  To borrow money from any source and to execute promissory notes,
               mortgages or other obligations and to pledge or mortgage any
               trust assets as security; and

          (9)  To maintain accounts at, execute transactions through, and lend
               on an adequately secured basis stocks, bonds or other securities
               to, any brokerage or other firm, including any firm which is an
               affiliate of Trustee.

     Section 6. Additional Powers of Trustee.
     ----------------------------------------

     To the extent necessary or which it deems appropriate to implement its
powers under Section 5 or otherwise to fulfill any of its duties and
responsibilities as Trustee of the Trust, the Trustee shall have the following
additional powers and authority:

     (a) to register securities, or any other property, in its name or in the
name of any nominee, including the name of any affiliate or the nominee name
designated by any affiliate, with or without indication of the capacity in which
property shall be held, or to hold securities in bearer form and to deposit any
securities or other property in a depository or clearing corporation;

     (b) to designate and engage the services of, and to delegate powers and
responsibilities to, such agents, representatives, advisers, counsel and
accountants as the Trustee considers necessary or appropriate, any of whom may
be an affiliate of the Trustee or a person who renders services to such an
affiliate, and, as a part of its expenses under this Trust Agreement, to pay
their

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reasonable expenses and compensation;

     (c) to make, execute and deliver, as Trustee, any and all deeds, leases,
mortgages, conveyances, waivers, releases or other instruments in writing
necessary or appropriate for the accomplishment of any of the powers listed in
this Trust Agreement; and

     (d) generally to do all other acts which Trustee deems necessary or
appropriate for the protection of the Trust.

     Section 7.  Disposition of Income.
     ----------------------------------
     (a) During the term of this Trust, all income received by the Trust, net of
expenses and taxes, shall be accumulated and reinvested.

     Section 8.  Accounting by Trustee.
     ----------------------------------

     (a) Trustee shall keep accurate and detailed records of all investments,
receipts, disbursements, and all other transactions required to be made,
including such specific records as shall be agreed upon in writing between
Company and Trustee. Within 90 days following the close of each calendar year
and within 90 days after removal or resignation of Trustee, Trustee shall
deliver to Company a written account of its administration of the Trust during
such year or during the period from the close of the last preceding year to the
date of such removal or resignation, setting forth all investments, receipts,
disbursements and other transactions effected by it, including a description of
all securities and investments purchased and sold with the cost or net proceeds
of such purchases or sales (accrued interest paid or receivable being shown
separately), and showing all cash, securities and other property held in the
Trust at the end of such year or as of the date of such removal or resignation,
as the case may be. Trustee may satisfy its obligation under this Section 8 by
rendering to Company monthly statements setting forth the information required
by this Section separately for the month covered by the statement.

     Section 9.  Responsibility and Indemnity of Trustee.
     ----------------------------------------------------

     (a) Trustee shall act with the care, skill, prudence and diligence under
the circumstances then prevailing that a prudent person acting in like capacity
and familiar with such matters would use in the conduct of an enterprise of a
like character and with like aims, provided, however, that Trustee shall incur
no liability to any person for any action taken pursuant to a direction, request
or approval given by Company which is contemplated by, and in conformity with,
the terms of the Plan(s) and this Trust and is given in writing by Company.
Trustee shall also incur no liability to any person for any failure to act in
the absence of direction, request or approval from the Company which is
contemplated by, and in conformity with, the terms of this Trust. In the event
of a dispute between Company and a party, Trustee may apply to a court of
competent jurisdiction to resolve the dispute.

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     (b) Company hereby indemnifies Trustee and each of its affiliates
(collectively, the "Indemnified Parties") against, and shall hold them harmless
from, any and all loss, claims, liability, and expense, including reasonable
attorneys' fees, imposed upon or incurred by any Indemnified Party as a result
of any acts taken, or any failure to act, in accordance with the directions from
the Company or any designee of the Company, or by reason of the Indemnified
Party's good faith execution of its duties with respect to the Trust, including,
but not limited to, its holding of assets of the Trust, unless the loss, claim,
liability or expense involved resulted from the negligence or willful misconduct
of the Trustee. The Company's obligations with respect to the foregoing are to
be satisfied promptly by Company. If Company does not pay such costs, expenses
and liabilities in a reasonably timely manner, Trustee may obtain payment from
the Trust without direction from Company.

     (c) Trustee may consult with legal counsel (who may also be counsel for
Company generally) with respect to any of its duties or obligations hereunder.

     (d) Trustee may hire agents, accountants, actuaries, investment advisers,
financial consultants or other professionals to assist it in performing any of
its duties or obligations hereunder.

     (e) Trustee shall have, without exclusion, all powers conferred on Trustee
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.

     (f) However, notwithstanding the provisions of Section 9(e) above, Trustee
may loan to Company the proceeds of any borrowing against an insurance policy
held as an asset of the Trust.

     (g) Notwithstanding any powers 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 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 10.  Compensation and Expenses of Trustee.
     --------------------------------------------------

     Trustee is authorized, unless otherwise agreed by Trustee, to withdraw from
the Trust without direction from Company the amount of its fees in accordance
with the fee schedule agreed to by the Company and Trustee. Company shall pay
all administrative expenses, but if not so paid, the expenses

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shall be paid from the Trust.

     Section 11.  Resignation and Removal of Trustee.
     ------------------------------------------------

     (a) Trustee may resign at any time by written notice to Company, which
shall be effective 30 days after receipt of such notice unless Company and
Trustee agree otherwise.

     (b) Trustee may be removed by Company on 30 days notice or upon shorter
notice accepted by Trustee.

     (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 60 days after receipt of notice of
resignation, removal or transfer, unless Company extends the time limit,
provided that Trustee is provided assurance by Company satisfactory to Trustee
that all fees and expenses reasonably anticipated will be paid.

     (d) If Trustee resigns or is removed, a successor shall be appointed, in
accordance with Section 12 hereof, by the effective date or resignation or
removal under paragraph(s) (a) or (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.

     (e) Upon settlement of the account and transfer of the Trust assets to the
successor Trustee, all rights and privileges under this Trust Agreement shall
vest in the successor Trustee and all responsibility and liability of Trustee
with respect to the Trust and assets thereof shall terminate subject only to the
requirement that Trustee execute all necessary documents to transfer the Trust
assets to the successor Trustee.

     Section 12.  Appointment of Successor.
     --------------------------------------

     (a) If Trustee resigns or is removed in accordance with Section 11(a) or
(b) hereof, Company may appoint any third party, such as a bank trust department
or other party that may be granted corporate trustee powers under state law, as
a successor to replace Trustee upon resignation or removal. The appointment
shall be effective when accepted in writing by the new Trustee, who shall have
all of the rights and powers of the former Trustee, including ownership rights
in the Trust assets. The former Trustee shall execute any instrument necessary
or reasonably requested by Company or the successor Trustee to evidence the
transfer.

     (b) The successor Trustee need not examine the records and act of any prior
Trustee and may retain or dispose of existing Trust assets, subject to Sections
7 and 8 hereof. The successor Trustee shall not be responsible for and

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Company shall indemnify and defend the successor Trustee from any claim or
liability resulting from any action or inaction of any prior Trustee or from any
other past event, or any condition existing at the time it becomes successor
Trustee.

     Section 13.  Amendment or Termination.
     --------------------------------------

     (a) This Trust Agreement may be amended by a written instrument executed by
Trustee and Company. Notwithstanding the foregoing, no such amendment shall
conflict with the terms of the Plan(s) or shall make the Trust revocable, since
the Trust is irrevocable in accordance with Section 1(b) hereof . Upon and after
the occurrence of a Potential Change of Control (as defined in Section 14
hereof), notwithstanding any other provision hereof, this Trust may be amended
only by an instrument in writing signed on behalf of the parties hereto,
together with the written consent of 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 signature and approval of the Trustee shall not be required for any
termination of the Trust. Notwithstanding the foregoing, any such amendment may
be made by written agreement of the parties hereto without obtaining the consent
of the Plan participants or their beneficiaries, if such amendment does not
adversely affect the rights of the Plan participants or their beneficiaries
hereunder.

     (b) Except as provided in Section 13(C) hereof, the Trust shall not
terminate until the date on which Plan participants and their beneficiaries are
no longer entitled to benefits pursuant to the terms of the Plan(s). Upon
termination of the Trust any assets remaining in the Trust shall be returned to
Company.

     (c) Upon written approval of Plan participants (or in the event of their
deaths, their beneficiaries) then having unpaid Plan benefits equal to at least
sixty-five percent (65%) of all amounts then held in the Trust (or, if such
approval is sought upon or after the occurrence of a Potential Change of
Control, the written approval of 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 approval have unpaid Plan benefits equal to at least sixty-five percent
(65%) of all unpaid Plan benefits of Continuing Participants), Company may
terminate this Trust prior to the time all benefit payments under the Plan(s)
have been made.

     Section 14.  Miscellaneous.
     ---------------------------

     (a) Any provision of this Trust Agreement prohibited by law shall be
ineffective to the extent of any such prohibition, without invalidating the

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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 the state in which Trustee is incorporated as set forth above.

     (d) The provisions of Sections 2(d), 3(b)(3), 9(b) and 15 of this Agreement
shall survive termination of this Agreement.

     (e) The rights, duties, responsibilities, obligations and liabilities of
the Trustee are as set forth in this Trust Agreement, and no provision of the
Plan(s) or any other documents shall affect such rights, responsibilities,
obligations and liabilities. If there is a conflict between provisions of the
Plan(s) and this Trust Agreement with respect to any subject involving the
Trustee, including but not limited to the responsibility, authority or powers of
the Trustee, the provisions of this Trust Agreement shall be controlling.

     (f) 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 14(g) hereof);

               (ii) the Company or any Person (as defined in Section 14(h)
          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.

     The Board 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 (as defined in
     Section 14(g) hereof).

     (g) Change of Control. For purposes of this Trust, 'Change of Control'
         -----------------
shall mean:

                                       13
<PAGE>

               (i) the acquisition by any 'Person' (as defined in Section 14(h)
          hereof) of 'Beneficial Ownership' (as defined in Section 14(h) 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
          14(g)(i), the following shall not constitute a Change of Control:

                    (A) any acquisition (other than a 'Business Combination' (as
               defined in Section 14(g)(iii) hereof) which constitutes a Change
               of Control under Section 14(g)(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 14(g)(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,

                                       14
<PAGE>

                    (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 14(h) 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.

          (h) Other Definitions.  As used in Section 14(g) 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

                                       15
<PAGE>

          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 14(g)(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 15.  Arbitration.
     -------------------------

     .  Arbitration is final and binding on the parties.
     .  The parties waiving their right to seek remedies in court, including the
        right to jury trial.
     .  Pre-arbitration discovery is generally more limited than and different
        from court proceedings.
     .  The arbitrators' award is not required to include factual findings or
        legal reasoning and any party's right to appeal or seek modification
        of rulings by the arbitrators is strictly limited.
     .  The panel of arbitrators will typically include a minority of
        arbitrators who were or are affiliated with the securities industry.

     Company agrees that all controversies which may arise between the Company
     and either or both the Trustee and its affiliate Merrill Lynch, Pierce,
     Fenner & Smith incorporated ("MLPF&S") in connection with the Trust,
     including, but not limited to, those involving any transactions, or the
     construction, performance, or breach of this or any other agreement between
     Company and either or both the Trustee and MLPF&S, whether entered into
     prior, on, or subsequent to the date hereof, shall be determined by
     arbitration. Any arbitration under this Agreement shall be conducted only
     before the New York Stock Exchange, Inc., the American Stock Exchange,
     Inc., or arbitration facility provided by any other exchange of which
     MLPF&S is a member, the National Association of Securities Dealers, Inc.,
     or the Municipal Securities Rulemaking Board, and in accordance with its
     arbitration rules then in force, Company may elect in the first instance
     whether arbitration shall be conducted before the New York Stock Exchange,
     Inc., the American Stock Exchange, Inc.,

                                       16
<PAGE>

     other exchange of which MLPF&S is a member, the National Association of
     Securities Dealers, Inc., or the Municipal Securities Rulemaking Board, but
     if the Company fails to make such election, by registered letter or
     telegram addressed to Merrill Lynch Trust Company, Employee Benefit Trust
     Operations, P.O. Box 30532, New Brunswick, New Jersey 08989-0532, before
     the expiration of five days after receipt of a written request from MLPF&S
     and/or the Trustee to make such election then MLPF&S and/or the Trustee may
     make such election. Judgment upon the award of arbitrators may be entered
     in any court, state or federal, having jurisdiction. No person shall bring
     a putative or certified class action to arbitration, nor seek to enforce
     any pre-dispute arbitration agreement against any person who has initiated
     in court a putative class action; who is a member of putative class who has
     not opted out of the class with respect to any claims encompassed by the
     putative class action until:

     (i)   the class certification is denied;
     (ii)  the class is decertified; or
     (iii) the customer is excluded from the class by the court. Such
           forbearance to enforce an agreement to arbitrate shall not constitute
           a waiver of any rights under this agreement except to the extent
           stated herein.

     Section 16.  Effective Date.
     ----------------------------

     The effective date of this Restated Trust Agreement shall be October 1,
1999.

     By signing this Agreement, the undersigned Company acknowledges (1) that,
in accordance with Section 15 of this Agreement, the Company is agreeing in
advance to arbitrate any controversies which may arise with either or both the
Trustee or MLPF&S and (2) receipt of a copy of this Agreement.

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

                         TIDEWATER INC.

                         By:  s/ Ken C. Tamblyn
                              ---------------------
                                        (Signature)

                         Name/Title: Ken C. Tamblyn
                                     Executive Vice President &
                                     Chief Financial Officer

     Executed this      12th     day of  January , 2000.
                   -------------        ----------------

                                       17
<PAGE>

                         MERRILL LYNCH TRUST COMPANY OF AMERICA

                         By: s/ Melanie Madeira
                             ------------------------
                                         (Signature)

                         Name/Title:   Melanie Madeira
                                      ----------------------
                                       New Accounts Trust Officer
                                       ---------------------------

                                       18
<PAGE>

                                 Appendix A

Name of Non-Qualified Deferred Compensation Plan(s):

Deferred Compensation Plan for Outside Directors of Tidewater Inc.

                                       19
<PAGE>

                                 Appendix B
                                 ----------

Deposit of cash and/or marketable securities to the Trust:

Cash:   $________________________________

Marketable Securities: Hibernia Tower U.S. Government Income Fund

     Hibernia Tower Total Return Bond Fund

     Fidelity Advisor Income and Growth Fund

     Fidelity Advisor Equity Portfolio Income

     Fidelity Advisor Growth Opportunities Fund

                                       20<PAGE>

                                                                   EXHIBIT 10(f)

                                   TIDEWATER

                          SECOND AMENDED AND RESTATED
                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                                  PENSION SERP

                                October 1, 1999

                                     -ii-
<PAGE>

                                 TIDEWATER INC.

                          SECOND AMENDED AND RESTATED
                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                               TABLE OF CONTENTS

PREAMBLE ................................................................  1

ARTICLE 1:  PURPOSE OF THE PLAN .........................................  1

ARTICLE 2:  THE PENSION PLAN ............................................  1

ARTICLE 3:  ADMINISTRATION ..............................................  2

ARTICLE 4:  ELIGIBILITY .................................................  2

ARTICLE 5:  AMOUNT OF SUPPLEMENTAL PENSION BENEFIT ......................  2

ARTICLE 6:  PAYMENT OF SUPPLEMENTAL PENSION BENEFIT .....................  3

ARTICLE 6A: PAYMENT ELECTION IN ANTICIPATION OF A CHANGE OF CONTROL .....  4

ARTICLE 7:  EMPLOYEES' RIGHTS ...........................................  4

ARTICLE 8:  AMENDMENT AND DISCONTINUANCE ................................  5

ARTICLE 8A: CHANGE OF CONTROL ...........................................  5

ARTICLE 9:  RESTRICTIONS ON ASSIGNMENT ..................................  8

ARTICLE 10: NATURE OF AGREEMENT .........................................  8

ARTICLE 11: CONTINUED EMPLOYMENT ........................................  9

ARTICLE 12: BINDING ON EMPLOYER, EMPLOYEES AND THEIR SUCCESSORS .........  9

ARTICLE 13: LAWS GOVERNING ..............................................  9

ARTICLE 14:  MISCELLANEOUS ..............................................  9
     14.1      Claims and Appeal Procedures .............................  9
     14.2      Recovery of Payments Made by Mistake .....................  9

<PAGE>

                                TIDEWATER INC.

                          SECOND AMENDED AND RESTATED
                     SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

                                    PREAMBLE

     Tidewater Inc. ("Employer") is the sponsor of the Tidewater Pension Plan
("Pension Plan"), which is a plan qualified under Section 401(a) of the Internal
Revenue Code of 1986 ("Code").  Benefits under the Pension Plan are limited by
various sections of the Code, such as Sections 401(a)(17) and 415.  In order to
provide benefits  to a select group of management or highly compensated
employees equal to the benefits that such employees are prevented from receiving
under the Pension Plan because of those Code limitations, the Employer adopted a
nonqualified unfunded plan known as the Tidewater Inc. Supplemental Executive
Retirement Plan ("Plan"), effective as of July 1, 1991.  The Plan also replaces
certain service lost under the Pension Plan due to breaks in service, and
enhances the benefit calculation formula.  The Employer amended and restated the
Plan effective January 1, 1993, further amended the Plan effective January 1,
1994, adopted two amendments effective October 1, 1999, and hereby amends and
restates the Plan effective October 1, 1999, as set forth below.

                        ARTICLE 1:  PURPOSE OF THE PLAN

     The Employer intends and desires by the adoption of this Plan to recognize
the value to the Employer of past and present services of certain Eligible
Employees and to encourage and assure their continued service with the Employer
by making more adequate provision for their future retirement security.  The
establishment of this Plan is made necessary by certain limitations on
contributions and benefits which are imposed on the Pension Plan by the Code.
The Employer also wishes to compensate certain members of management or highly
compensated employees who may have been disadvantaged by the break in service
rules under the Pension Plan and to enhance the benefit calculation formula.

                          ARTICLE 2:  THE PENSION PLAN

     The Pension Plan, whenever referred to in this Plan, shall mean the
Tidewater Pension Plan, as amended, as it exists as of the date any
determination is made of benefits payable under this Plan.  All terms used in
this Plan shall have the meanings assigned to them under the provisions of the
Pension Plan, unless otherwise qualified by the context.  Since this Plan is
intended to supplement the Pension Plan, any ambiguities or gaps in this Plan
shall be resolved by reference to the Pension Plan document.
<PAGE>

                           ARTICLE 3:  ADMINISTRATION

     This Plan shall be administered by the Compensation Committee of Employer's
Board of Directors, the Employee Benefits Committee, and the Board of Directors
of the Employer, which shall administer this Plan in a manner consistent with
their duties of administration of the Pension Plan.  Each of these governing
bodies shall have full power and authority to interpret, construe and administer
this Plan in accordance with their respective duties under the Pension Plan, and
a governing body's interpretations and constructions hereof and actions
hereunder, including the timing, form, amount or recipient of any payment to be
made hereunder, within the scope of its authority, shall be binding and
conclusive on all persons for all purposes.  No member of a governing body shall
be liable to any person for any action taken or omitted in connection with the
interpretation and administration of this Plan, unless attributable to his own
willful misconduct or lack of good faith.  Each administrator shall be fully
indemnified as provided in the Pension Plan. A member of a governing body shall
not participate in any action or determination regarding his own benefits
hereunder.

                            ARTICLE 4:  ELIGIBILITY

     To be eligible to participate in this Plan, an Employee must satisfy the
following conditions, (a) and (b):

          (a) The Employee must be a Participant in the Pension Plan;

          (b) The Employee must serve as the Chief Executive Officer, the
President, a Vice President or the Corporate Controller of the Employer.

     An Employee who satisfies conditions (a) and (b) is referred to as an
"Eligible Employee."  An Eligible Employee who ceases to be an Eligible Employee
because of a change in his status as an officer under (b), shall have benefits
under this Plan frozen as of the date he ceases to be an officer described in
(b), and his benefits shall be paid as provided in Article 6 and 6A.

     Notwithstanding anything to the contrary, the Plan may not be amended to
preclude the participation in the Plan, on the same basis as other Eligible
Employees, of the person serving on October 1, 1999 as the Chief Executive
Officer, the President, a Vice President or the Corporate Controller of the
Employer, as long as such person continues to serve in such position or in any
equivalent or higher position.

               ARTICLE 5:  AMOUNT OF SUPPLEMENTAL PENSION BENEFIT

     The amount of supplemental pension benefit shall be:

          (a) The supplemental pension benefit payable to an Eligible Employee
or his Beneficiary or Beneficiaries under this Plan shall be the actuarial
equivalent

                                      -2-
<PAGE>

(based on the definition of this term in Section 1.02 of the Pension Plan) of
the excess, if any, of (i) over (ii) as described below:

               (i) the benefit which would have been payable to such Eligible
Employee or on his behalf to his Beneficiary or Spouse, as the case may be,
under the Pension Plan (but not taking into account any Additional Monthly
Benefit payable under Section 5.07 of the Pension Plan), if the provisions of
Pension Plan were administered without regard to either the maximum amount of
retirement income limitations of Section 415 of the Code, or the maximum
compensation limitation of Section 401(a)(17) of the Code,

               (ii) the benefit (including any Additional Monthly Benefit) which
is in fact payable to such Eligible Employee or on his behalf to his Beneficiary
or Spouse under the Pension Plan.

          (b) The computation in paragraph (a) above shall be made as though the
factor, 0.85%, in Section 5.01(b)(1) of the Pension Plan were 1.35%.

          (c) The computation in paragraph (i) above shall be made as though the
Employee's service under the Pension Plan included the service prior to a break
in service lost under such Plan as a result of a break in service.  After an
Employee becomes an Eligible Employee, he may request the Employer to provide
him with a written statement of the number of years of service lost under the
Pension Plan.  If the Eligible Employee disagrees with the Employer's
determination, he immediately shall contest it through the Plan's Appeal
Procedure referenced in Article 14, below.  In the absence of the Eligible
Employee's timely request and objection, the Employer's determination shall
become fixed.

          (d) Supplemental pension benefits payable under this Plan to any
recipient shall be computed in accordance with the foregoing, with the objective
that such recipient should receive under this Plan and the Pension Plan the
total amount which would have been payable to that recipient solely under the
Pension Plan (as enriched by (b) and (c)), had neither Section 415 nor Section
401(a)(17) of the Code been applicable thereto.  An Eligible Employee who is not
entitled to benefits under the Pension Plan is not entitled to supplemental
pension benefits under this Plan.

              ARTICLE 6:  PAYMENT OF SUPPLEMENTAL PENSION BENEFIT

     Except as provided in Article 8 or 8A or unless the Employee elects
otherwise under this Article 6 or Article 6A, the supplemental pension benefit
under the Plan with respect to an Employee shall commence at the same time and
be paid in the same form and to the same recipient as the benefit with respect
to the Employee that is payable under the Pension Plan.  An Employee can elect,
on a form provided by the Committee,  to receive a benefit commencing at an
earlier date following termination of employment and after reaching age 55, but
only if the election is made at least 13 months prior to the benefit
commencement date.  The earlier benefit can be paid in any

                                      -3-
<PAGE>

form permitted under the Pension Plan. The benefit paid earlier than the benefit
under the Pension Plan shall be determined as if the Pension Plan benefit were
being paid at the same time and in the same form as the benefit under the Plan.

     The foregoing notwithstanding, if the total value of the benefit payable
under the Plan to the Employee or the Employee's Spouse upon the Employee's
termination of employment (by retirement, death or otherwise) is less than
$10,000, the recipient shall receive an immediate lump sum benefit.

                 ARTICLE 6A:  PAYMENT ELECTION IN ANTICIPATION
                              OF A CHANGE OF CONTROL

     An Employee or a former Employee who has not yet satisfied the requirements
to begin to receive payment of benefits under the Plan can also elect at any
time prior to a Change of Control, in a form and manner reasonably satisfactory
to the Company, to have the supplemental pension benefit that becomes payable
under the Plan to such Employee or former Employee following a Change of Control
paid in cash in the form of a lump sum as of the date payments to the Employee
would otherwise commence under the terms of the Plan, without regard to the form
of payment provisions otherwise provided in the Plan and any payment or
distribution elections applicable to the payment of the Employee's or former
Employee's benefit in the absence of a Change of Control.  A former Employee who
has satisfied the requirements to begin to receive the payment of benefits under
the Plan, whether or not payments have commenced, can also elect at any time
prior to a Change of Control, in a form and manner reasonably satisfactory to
the Company, to have the full value of  the remaining supplemental pension
benefits payable to such former Employee paid in a lump sum in cash within five
business days of the Change of Control, without regard to the form of payment
provisions otherwise provided in the Plan and any payment or distribution
elections applicable to the payment of the former Employee's benefit in the
absence of a Change of Control.  The determination of the lump sum amount shall
be made using the same assumptions as are used in the Pension Plan to determine
the amount of a lump sum benefit.

                         ARTICLE 7:  EMPLOYEES' RIGHTS

     No Employee, Spouse or Beneficiary shall have greater rights under this
Plan than those of general creditors of the Employer.  Benefits payable under
this Plan shall be a mere promise to pay in the future and shall be general,
unsecured obligations of the Employer, to be paid by the Employer from its own
funds.  Such payments shall not (i) impose any additional obligation upon the
Employer under the Pension Plan; (ii) be paid from the Pension Plan; or (iii)
have any effect whatsoever upon the Pension Plan.  No Employee or his
Beneficiary or Spouse shall have any title to or beneficial ownership in any
assets which the Employer may use to pay benefits hereunder.  Notwithstanding
the foregoing provisions of this Article 7 and any other provision of the Plan
(including, without limitation, Article 10), the Employer may, in its
discretion, establish a trust to pay amounts becoming payable pursuant to the
Plan, which trust shall be subject to the

                                      -4-
<PAGE>

claims of the general creditors of the Employer in the event of its bankruptcy
or insolvency. Notwithstanding any establishment of such a trust, the Company
shall remain responsible for the payment of any amounts so payable which are not
so paid by such trust.

                    ARTICLE 8:  AMENDMENT AND DISCONTINUANCE

     The Employer expects to continue this Plan indefinitely but, except as
otherwise provided, reserves the right to amend or discontinue it if, in its
sole judgment, such a change is deemed necessary or desirable.  However, if the
Employer should amend or discontinue this Plan, the Employer shall continue to
be liable to pay all benefits accrued under this Plan (determined on the basis
of each Employee's presumed termination of employment as of the date of such
amendment or discontinuance), as of the date of such action.  Such accrued
benefits shall be calculated pursuant to the provisions of the Plan immediately
prior to any such amendment or discontinuance.  Upon a discontinuance, all
benefits shall be 100% vested, and a lump sum equal to the actuarial present
value of each Employee's unpaid accrued benefit under this Plan shall be
distributed to the Employee (or his Beneficiary or Spouse), and the Employer
shall have no further obligation under this Plan.  Such lump sum distributions
shall be distributed within the thirty (30) days immediately following such
discontinuance.  No amendment shall be deemed to cause a reduction in an
Employee's accrued benefit under the Plan if the reduction of the benefit under
this Plan is paired with a corresponding increase in the accrued benefit under
the Pension Plan.

                         ARTICLE 8A:  CHANGE OF CONTROL

     8A.01  Effect of Change of Control.  Upon a Change of Control (as defined
in Section 8A.02 hereof) all benefits which have accrued under the Plan shall
immediately become fully vested.  Upon or after a Change of Control, the Plan
shall be deemed to have been discontinued (within the meaning of Article 8
hereof) upon the first to occur of the following:  (i) the date of the Change of
Control if the successor to the Employer shall have failed to assume the
obligations under the Plan prior to or upon such Change of Control, either by
express agreement or by operation of law, (ii) the date of any amendment to the
Plan which reduces or adversely affects either the benefit accrued with respect
to any Employee or the future benefit accrual of any Employee (unless paired
with a corresponding increase in the benefit paid under the Pension Plan), or
(iii) if the Employer shall have established a trust as described in the last
two sentences of Article 7 hereof, any failure of the Employer (or the successor
to the Employer) to make in a timely fashion any contribution to the trust with
respect to benefits accrued under the Plan which may be required by the terms of
such trust.

     8A.02  Definition of Change of Control.  As used in this Section 8A,
'Change of Control' shall mean:

          (i) the acquisition by any 'Person' (as defined in Section 8A.03
     hereof) of 'Beneficial Ownership' (as defined in Section 8A.03 hereof) of
     30% or more of

                                      -5-
<PAGE>

     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 8A.02(i), the following shall not constitute a
     Change of Control:

               (A) any acquisition (other than a 'Business Combination' (as
          defined in Section 8A.02(iii) hereof) which constitutes a Change of
          Control under Section 8A.02(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 8A.02(iii) hereof; or

          (ii) individuals who, as of the effective date of the Amendment,
     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 the
     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

                                      -6-
<PAGE>

          election of directors, of the Post-Transaction Corporation (as defined
          in Section 8A.03 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.

     8A.03  Other Definitions.  As used in Section 8A.02 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 8A.02(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

                                      -7-
<PAGE>

     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 9:  RESTRICTIONS ON ASSIGNMENT

     The interest of an Employee or his Beneficiary or Spouse may not be sold,
transferred, assigned, or encumbered in any manner, either voluntarily or
involuntarily, and any attempt so to anticipate, alienate, sell, transfer,
assign, pledge, encumber, or charge the same shall be null and void; neither
shall the benefits hereunder be liable for or subject to the debts, contracts,
liabilities, engagement, or torts of any person to whom such benefits or funds
are payable, nor shall they be subject to garnishment attachment, or other legal
or equitable process nor shall they be an asset in bankruptcy, except that no
amount shall be payable hereunder until and unless any and all amounts
representing debts or other obligations owed to the Employer or any affiliate of
the Employer by the Employee with respect to whom such amount would otherwise be
payable shall have been fully paid and satisfied.  The interest of any Employee,
Beneficiary or Spouse shall be held subject to the maximum restraint on
alienation permitted or required by applicable Louisiana law.

                        ARTICLE 10:  NATURE OF AGREEMENT

     Eligible Employees and their Beneficiaries by virtue of participating under
this Plan have only an unsecured right to receive benefits from their Employer
as a general creditor of the Employer.  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 Employer with which to discharge its obligations hereunder shall
not be deemed to create a trust for the benefit of Eligible Employees or their
Beneficiaries; except as provided in any trust document, legal and equitable
title to any funds so set aside shall remain in the Employer, 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 Employer, present and future, and no payment shall be made
under this Plan unless the Employer is then solvent.  This provision shall not
require the Employer to set aside any funds, but the Employer may set aside such
funds if it chooses to do so.

                       ARTICLE 11:  CONTINUED EMPLOYMENT

     Nothing contained herein shall be construed as conferring upon any Employee
the right to continue in the employ of the Employer in any capacity.

                                      -8-
<PAGE>

                  ARTICLE 12:  BINDING ON EMPLOYER, EMPLOYEES
                               AND THEIR SUCCESSORS

                                      -9-
<PAGE>

     This Plan shall be binding upon and inure to the benefit of the Employer,
its successors and assigns and each Eligible Employee and his heirs, executors,
administrators and legal representatives.

                          ARTICLE 13:  LAWS GOVERNING

     This Plan shall be construed in accordance with and governed by the laws of
the State of Louisiana, except to the extent that the Plan is governed by the
Employee Retirement Income Security Act of 1974 ("ERISA").  It is the Employer's
intent that the Plan shall be exempt from ERISA's provisions, to the maximum
extent permitted by law.  To the extent that the Plan is an excess benefit plan
(as defined in Section 3(36) of ERISA), it shall be exempt from coverage
entirely, as provided in ERISA Section 4(b)(5).  The Plan is intended to be
unfunded for federal income tax purposes and for purposes of title I of ERISA
and intended to provide deferred compensation only for a select group of
management or highly compensated employees and shall be exempt from Parts 2, 3,
and 4 of ERISA, pursuant to Sections 201(2), 301(a)(3), and 401(a)(1) of ERISA.

                           ARTICLE 14:  MISCELLANEOUS

      14.1 Claims and Appeal Procedures.  All disputes over benefits allegedly
due under this Plan shall be resolved through the procedures for making claims,
and appealing from denials of claims, that are set forth in the Summary Plan
Description of the Pension Plan.

      14.2 Recovery of Payments Made by Mistake. Notwithstanding anything to the
contrary, an Eligible Employee or other person receiving amounts from the Plan
is entitled only to those benefits provided by the Plan and promptly shall
return any payment, or portion thereof, made by mistake of fact or law. The
Committee may offset the future benefits of any recipient who refuses to return
an erroneous payment, in addition to pursuing any other remedies provided by
law.

     EXECUTED effective this 1st day of October, 1999.

                              TIDEWATER INC.

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

ATTEST:

                                     -10-
<PAGE>

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

                                     -11-

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