Document:

exv10w1

 

Exhibit 10.1

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE

IN AND FOR NEW CASTLE COUNTY

	 	 	 
	ESOPUS CREEK VALUE LP

BLACK HORSE CAPITAL, LP, BLACK

HORSE CAPITAL (QP) LP and BLACK

HORSE CAPITAL OFFSHORE LTD.,

	 	)
)
)
)
) 
	Plaintiffs,

	 	)
) 
	     v.

	 	)       C.A. No. 2487-N
	 

	 	) 
	MARK S. HAUF, JOHN CHALSTY,

	 	) 
	ALAN K. GREENE, LEONARD WHITE,

	 	) 
	CLARK A. JOHNSON, DAVID GALE,

	 	) 
	WAYNE HENDERSON, STUART

	 	) 
	SUBOTNICK, I. MARTIN POMPADUR,

	 	) 
	HAROLD F. PYLE, III, BRYCE D.

	 	) 
	ELLEDGE, NATALIA ALEXEEVA and

	 	) 
	METROMEDIA INTERNATIONAL

GROUP, INC., a Delaware
corporation,

	 	)

)
) 
	Defendants.

	 	)
) 

ORDER

     WHEREAS,
the court having held a hearing on plaintiffs’ motion for a preliminary injunction on
November 22, 2006, and for the reasons set forth on the record at the hearing and in the opinion
filed concurrently herewith,

     IT IS HEREBY ORDERED this 29th day of November, 2006 as follows:

     1. The
defendants, their directors, officers, agents, subsidiaries, servants, employees and
attorneys, and those persons in active concert or participation with them, shall not enter into a
definitive agreement providing for the sale of all or substantially all of the assets of Metromedia
International Group, Inc., including the company’s subsidiary Metromedia International
Telecommunications, Inc. and/or the company’s direct or indirect interest in Magticom Limited (an
“Asset Sale Agreement”), unless such asset sale is subject to a vote of the common

 

 

stockholders of Metromedia pursuant to 8 Del. C. § 271 and the company’s Restated Certificate of
Incorporation.

     2. In
the event the defendants enter into an Asset Sale Agreement described in paragraph 1 hereof:

          a. The company and its board of directors shall call a meeting of the common stockholders of
Metromedia, consistent with the notice provision of 8 Del. C. § 271, at which meeting the common
stockholders shall have the opportunity to vote on the transaction embodied in such Asset Sale
Agreement (the “Proposed Transaction”);

          b. The company shall distribute to its stockholders, in advance of the meeting described in
paragraph 2(a), a notice advising Metromedia’s common stockholders of such meeting and of the date,
time and place of the meeting and their right to vote on the Proposed Transaction (the “Notice”);

          c. The company shall distribute to the common stockholders, in advance of the meeting
described in paragraph 2(a), all information required under Delaware law necessary to ensure an
informed vote on the Proposed Transaction;

          d. The company and its representatives shall take whatever steps they deem necessary,
including the use of oral, written or electronic communications to encourage stockholders to attend
the meeting and cast a vote on a Proposed Transaction;

          e. The Asset Sale Agreement shall not be consummated unless and until the Proposed Transaction
has been approved by a vote of the common stockholders of Metromedia as required by 8 Del. C. §271
and the company’s Restated Certificate of Incorporation; and

          f.
The defendants shall provide to the plaintiffs’ counsel (i) a copy of the Asset Sale Agreement
within one business day following the execution of such Asset Sale
Agreement;
(ii) a copy of the notice promptly following the giving of
such notice to the company’s

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common
stockholders; and (iii) any correspondence delivered to or received from the United States Securities
and Exchange Commission relating to any request by the company for
exemption from section 14 of the
Securities Exchange Act and the regulations thereunder within one business day following receipt or
delivery of such correspondence.

     3. The court retains jurisdiction over this action and retains the power to alter, amend or
modify this order upon application of any party.

     4. The
court hereby defers ruling on the plaintiffs’ motion to enjoin the Preferred Lockup and
Voting Agreement, as amended.

	 	 	 	 	 
	 	 	 
	 	     /s/ Stephen P. Lamb
 	 
	 	Vice Chancellor 	 
	 	 	 
	 

3exv10w1

 

Exhibit 10.1

AMENDED AND RESTATED TAX SHARING AGREEMENT

BETWEEN

TRANSOCEAN HOLDINGS INC.

AND

TODCO

 

 

TABLE OF CONTENTS

	 	 	 	 	 
	SECTION 1. Definition of Terms
	 	 	4	 
	 
	 	 	 	 
	SECTION 2. Allocation of Income Tax Liabilities.
	 	 	8	 
	 
	 	 	 	 
	2.1 Federal Income Taxes.
	 	 	8	 
	2.2 State Income Taxes.
	 	 	9	 
	2.3 Foreign Income Taxes.
	 	 	10	 
	2.4 Other Taxes.
	 	 	11	 
	2.5 Special Rules.
	 	 	11	 
	2.6 Tax Payments and Intercompany Billings.
	 	 	13	 
	 
	 	 	 	 
	SECTION 3. Preparation and Filing of Tax Returns.
	 	 	13	 
	 
	 	 	 	 
	3.1 Combined Returns and Consolidated Returns.
	 	 	13	 
	3.2 Separate Returns and Other Returns.
	 	 	13	 
	3.3 Special Rules Relating to the Preparation of Tax Returns.
	 	 	15	 
	 
	 	 	 	 
	SECTION 4. Tax Benefits, Refunds, and Carrybacks.
	 	 	16	 
	 
	 	 	 	 
	4.1 Compensation by Holdings for TODCO’s Post-IPO Tax Assets.
	 	 	16	 
	4.2 Compensation by TODCO for Pre-IPO Tax Assets.
	 	 	16	 
	4.3 Claims for Refund from Carrybacks.
	 	 	20	 
	4.4 Tax Benefits Resulting from Exercise of Stock Options.
	 	 	20	 
	 
	 	 	 	 
	SECTION 5. Tax Payments and Intercompany Billings.
	 	 	21	 
	 
	 	 	 	 
	5.1 Consolidated and Combined Returns.
	 	 	21	 
	5.2 Payment of Refunds, Tax Benefits, and Tax Assets.
	 	 	21	 
	5.3 Initial Determinations and Subsequent Adjustments.
	 	 	22	 
	5.4 Indemnification Payments.
	 	 	23	 
	5.5 Payments by or to Other Members of the Groups.
	 	 	23	 
	5.6 Interest.
	 	 	24	 
	5.7 Tax Consequences of Payments.
	 	 	24	 
	5.8 Subordination Agreement.
	 	 	24	 
	 
	 	 	 	 
	SECTION 6. Assistance and Cooperation.
	 	 	24	 
	 
	 	 	 	 
	SECTION 7. Tax Records.
	 	 	24	 
	 
	 	 	 	 
	7.1 Retention of Tax Records.
	 	 	24	 
	7.2 Access to Tax Records.
	 	 	24	 
	 
	 	 	 	 
	SECTION 8. Tax Contests.
	 	 	25	 
	 
	 	 	 	 
	8.1 Notices.
	 	 	25	 
	8.2 Control of Tax Contests.
	 	 	25	 
	8.3 Cooperation.
	 	 	25	 
	 
	 	 	 	 
	SECTION 9. Restriction on Certain Post-IPO Actions of TODCO.
	 	 	25	 

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	SECTION 10. General Provisions.
	 	 	26	 
	 
	 	 	 	 
	10.1 Survival of Obligations.
	 	 	26	 
	10.2 Expenses.
	 	 	26	 
	10.3 Breach of Agreement.
	 	 	26	 
	10.4 Disputes.
	 	 	26	 
	10.5 Notices.
	 	 	26	 
	10.6 Counterparts.
	 	 	27	 
	10.7 Binding Effect; Assignment.
	 	 	27	 
	10.8 Severability.
	 	 	27	 
	10.9 Amendment.
	 	 	27	 
	10.10 Effective Time.
	 	 	27	 
	10.11 Change in Law.
	 	 	27	 
	10.12 Authorization, Etc.
	 	 	27	 
	10.13 No Third Party Beneficiaries.
	 	 	28	 
	 
	 	 	 	 
	SCHEDULE 1.1 Applicable Discount Rates
	 	 	30	 
	 
	 	 	 	 
	SCHEDULE 1.2 TODCO Tax Group
	 	 	31	 
	 
	 	 	 	 
	SCHEDULE 1.3 Transocean Tax Group
	 	 	32	 
	 
	 	 	 	 
	SCHEDULE 4.4 Transocean Stock Options
	 	 	35	 
	 
	 	 	 	 
	APPENDIX A Examples Illustrating the Application of Section 4
	 	 	36	 

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AMENDED AND RESTATED TAX SHARING AGREEMENT

          THIS AMENDED AND RESTATED TAX SHARING AGREEMENT (this “Agreement”) is entered into as of
November ___, 2006 but effective as of February 4, 2004, between Transocean Holdings Inc., a
Delaware corporation (“Holdings”), and TODCO (formerly named R&B Falcon Corporation), a Delaware
corporation. Capitalized terms used in this Agreement are defined herein. Unless otherwise
indicated, all “Section” references in this Agreement are to sections of this Agreement.

RECITALS

          WHEREAS, from January 31, 2001 through February 3, 2004, TODCO was a direct wholly owned
subsidiary of Holdings, which in turn was a direct wholly owned subsidiary of Transocean Inc., a
company organized under the laws of the Cayman Islands (“Transocean”); and

          WHEREAS, on February 4, 2004, the following events occurred in the following order:

	 	•	 	each outstanding share of TODCO common stock, TODCO’s sole class of stock,
was converted into a share of TODCO Class B common stock, all of which were then owned
by Holdings; and
	 
	 	•	 	the parties hereto entered into that certain Tax Sharing Agreement, dated
February 4, 2004 (the “Original Tax Sharing Agreement”) in order to provide for and
agree upon the allocation between the parties of liabilities for Taxes arising prior
to, as a result of, and subsequent to an initial public offering of the TODCO Class A
common stock (the “IPO”), and to provide for and agree upon other matters relating to
Taxes; and
	 
	 	•	 	TODCO acquired all of its outstanding debt held by Transocean and Holdings in
exchange for newly issued shares of TODCO Class B common stock, and as a result of
such exchange TODCO ceased to be a member of the Holdings Consolidated Group, and
	 
	 	•	 	TODCO distributed pro rata to Holdings and Transocean shares of its Class B
common stock; and

          WHEREAS, on February 10, 2004, Holdings sold a portion of its shares of TODCO Class B common
stock, which were immediately converted into shares of TODCO Class A common stock, in the IPO; and

          WHEREAS, on September 21, 2004, Holdings sold the remainder of its shares of TODCO Class B
common stock and Transocean sold a portion of its shares of TODCO Class B common stock, which in
each case were immediately converted into shares of TODCO Class A common stock, in a secondary
public offering; and

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          WHEREAS, through secondary public offerings effected on December 22, 2004 and May 18, 2005 and
a sale pursuant to Rule 144 of the Securities Act of 1933, Transocean sold the remainder of its
shares of TODCO Class B common stock, which in each case were immediately converted into shares of
TODCO Class A common stock upon each sale; and

          WHEREAS, in 2005, a dispute arose among Transocean, Holdings, and TODCO regarding the Original
Tax Sharing Agreement; and

          WHEREAS, TODCO and Holdings desire to amend and restate the Original Tax Sharing Agreement in
its entirety as set forth herein in order to clarify certain matters therein.

          NOW, THEREFORE, in consideration of the foregoing and the covenants and agreements set forth
below, the parties hereto agree as follows:

          SECTION 1. Definition of Terms. For purposes of this Agreement (including the recitals hereof),
the following terms have the following meanings:

          “Agreement” means this Amended and Restated Tax Sharing Agreement, which for the avoidance of
doubt shall be treated as the Tax Sharing Agreement referred to in the Master Separation Agreement
and other Ancillary Agreements (as defined in the Master Separation Agreement).

          “Applicable Discount Rate” means, with respect to any year, the fraction designated in
Schedule 1.1.

          “Carryback” means any net operating loss, net capital loss, tax credit or other similar Tax
Item which may or must be carried from one Tax Year to a prior Tax Year under applicable Tax Law.

          “Code” means the U.S. Internal Revenue Code of 1986, as amended from time to time, or any
successor law.

          “Combined Return” means any State or Foreign Income Tax Return which is filed by one or more
members of the Transocean Tax Group and which includes, to any extent, one or more members of the
TODCO Tax Group or in which income, deductions, or credits of any member of the Transocean Tax
Group may be combined with, or offset against, income, deductions, or credits of any member of the
TODCO Tax Group.

          “Combined Year” means, with respect to any State Income Tax or Foreign Income Tax, as
applicable, any Tax Year for which a Combined Return is filed; provided, however, that Combined
Year means only that portion of such Tax Year in which one or more members of the TODCO Tax Group
are included in the Combined Return.

          “Company” means Holdings or TODCO or one of their Subsidiaries, as the context requires.

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          “Consolidated Return” means any Federal Income Tax Return which is filed on a consolidated
basis by Holdings (or any other member of the Transocean Tax Group), as common parent, and its
eligible Subsidiaries (as determined under Section 1504(a) of the Code or any successor provision)
and which includes, to any extent, TODCO and its eligible Subsidiaries (as determined under Section
1504(a) of the Code or any successor provision).

          “Consolidated Year” means, with respect to any Federal Income Tax, any Tax Year for which a
Consolidated Return is filed; provided, however, that Consolidated Year means only that portion of
such Tax Year in which TODCO and its eligible Subsidiaries are included in the Consolidated Return.

          “Deconsolidation Date” means February 4, 2004.

          “Effective Date” means February 4, 2004.

          “Federal Income Tax” means any Income Tax imposed by the United States federal government
(including, without limitation, the Taxes imposed by Sections 11, 55, 59A and 1201(a) of the Code).

          “Federal Income Tax Return” means any report of Federal Income Taxes due, any claims for
refund of Federal Income Taxes paid, any information return with respect to Federal Income Taxes,
or any other similar report, statement, declaration, or document required to be filed under U.S.
federal income Tax Law, including any attachments, exhibits, or other materials submitted with any
of the foregoing, and including any amendments or supplements to any of the foregoing.

          “Foreign Country” means any country other than the United States.

          “Foreign Income Tax” means any Income Tax imposed by any Foreign Country or any possession of
the United States or by any political subdivision of any Foreign Country or possession of the
United States.

          “Group” means the Transocean Tax Group or the TODCO Tax Group, as the context requires.

          “Holdings” has the meaning set forth in the recital hereto.

          ”Holdings Consolidated Group” means Holdings and its eligible Subsidiaries (as determined
under Section 1504(a) of the Code or any successor provision) that file a Federal Income Tax Return
on a consolidated basis.

          “Income Tax” means all Taxes (i) based upon, measured by, or calculated with respect to, net
income, net profits or deemed net profits (including, without limitation, any capital gains Tax,
minimum Tax based upon, measured by, or calculated
with respect to, net income, net profits or deemed net profits, any Tax on items of Tax
preference and depreciation recapture or clawback, but not including sales, use, real or personal
property, gross or net receipts, gross profits, transfer and similar Taxes), (ii)

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imposed by a
Foreign Country which qualifies under Section 903 of the Code or (iii) based upon, measured by, or
calculated with respect to multiple bases (including, but not limited to, corporate franchise and
occupation Taxes) if such Tax may be based upon, measured by, or calculated with respect to one or
more bases described in clause (i) above. Notwithstanding the above, the Taxes described in clause
(iii) shall be considered Income Taxes only to the extent that such Taxes exceed the hypothetical
amount of such Taxes that would have been imposed had all of the bases described in clause (i) on
which such Taxes are based, measured, or calculated been equal to zero.

          “IPO” has the meaning set forth in the recital hereto.

          “IPO Closing Date” means February 10, 2004.

          “Master Separation Agreement” means the Master Separation Agreement dated February 4, 2004
among Transocean, Transocean Holdings and TODCO

          “Other Return” means any Tax Return which is not a Federal, State, or Foreign Income Tax
Return.

          “Other Tax” means any Tax that is not an Income Tax.

          “Payment Date” means (x) with respect to any Consolidated Return, the due date for any
required installment of estimated taxes determined under Code Section 6655, the due date
(determined without regard to extensions) for filing the return determined under Code Section 6072,
and the date the return is filed, and (y) with respect to any Combined Return, Separate Return, or
Other Return the corresponding dates determined under the applicable Tax Law.

          “Post-IPO Tax Asset” means a Tax Asset created after the IPO Closing Date as determined under
the principles of Section 4.2(b) of this Agreement.

          “Pre-IPO Tax Asset” means a Tax Asset created on or before the IPO Closing Date as determined
under the principles of Section 4.2(b) of this Agreement or any deduction to the extent treated as
a Pre-IPO Tax Asset by reason of Section 4.4 of this Agreement.

          “Separate Return” means any Federal, State, or Foreign Income Tax Return which is not a
Consolidated Return or Combined Return.

          “Separate Return Year” means, with respect to any Federal Income Tax, State Income Tax or
Foreign Income Tax, as applicable, a Tax Year or portion thereof which is not a Consolidated Year
or Combined Year.

          “State Income Tax” means any Income Tax imposed by any State of the United States or by any
political subdivision of any such State.

          “Straddle Period” means any Tax Year beginning on or before the IPO Closing Date and ending
after the IPO Closing Date.

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          “Subsidiary” means any entity that directly or indirectly is “controlled” by the person or
entity in question. “Control” means the possession, directly or indirectly, of the power to direct
or cause the direction of the management and policies of such entity, whether through ownership of
voting securities, by contract or otherwise.

          “Tax” or “Taxes” means any income, gross income, gross receipts, profits, capital stock,
franchise, withholding, payroll, social security, workers compensation, unemployment, disability,
property, ad valorem, stamp, excise, severance, occupation, service, sales, use, license, lease,
transfer, import, export, value added, alternative minimum, estimated or other similar tax
(including any fee, assessment, or other charge in the nature of or in lieu of any tax) imposed by
any Tax Authority and any interest, penalties, additions to tax, or additional amounts in respect
of the foregoing.

          “Tax Asset” means any Tax Item that could reduce a Tax, including a net operating loss, net
capital loss, loss deferred under Section 267(f) of the Code, investment tax credit, foreign tax
credit, charitable deduction or credit related to alternative minimum tax or any other Tax credit,
but does not include the tax basis of any asset.

          “Tax Authority” means, with respect to any Tax, the governmental entity or political
subdivision, agency, commission or authority thereof that imposes such Tax, and the agency,
commission or authority (if any) charged with the assessment, determination or collection of such
Tax for such entity or subdivision.

          “Tax Benefit” means a reduction in the Tax liability of a taxpayer as reflected in its Tax
Return.

          “Tax Contest” means an audit, review, examination, or any other administrative or judicial
proceeding with the purpose or effect of redetermining Taxes of any member of either Group
(including any administrative or judicial review of any claim for refund).

          “Tax Item” means, with respect to any Income Tax, any item of income, gain, loss, deduction,
credit or other attribute that may have the effect of increasing or decreasing any Tax.

          “Tax Law” means the law of any governmental entity or political subdivision thereof, and any
controlling judicial or administrative interpretations of such law, relating to any Tax.

          “Tax Records” means Tax Returns, Tax Return work papers, documentation relating to any Tax
Contests, and any other books of account or records required to be maintained under applicable Tax
Laws (including but not limited to Section 6001 of the Code) or under any record retention
agreement with any Tax Authority.

          “Tax Return” means any report of Taxes due, any claims for refund of Taxes paid, any
information return with respect to Taxes, or any other similar report, statement, declaration, or
document required to be filed under any applicable Tax Law,

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including any attachments, exhibits, or
other materials submitted with any of the foregoing, and including any amendments or supplements to
any of the foregoing.

          “Tax Year” means, with respect to any Tax, the year, or shorter period, if applicable, for
which the Tax is reported as provided under applicable Tax Law.

          “TODCO” has the meaning set forth in the recital hereto.

          “TODCO Business” has the meaning set forth in the Master Separation Agreement.

          “TODCO Tax Group” means TODCO and all persons that are Subsidiaries of TODCO immediately after
the IPO Closing Date, including without limitation the Subsidiaries set forth in Schedule 1.2 and
persons that become Subsidiaries of TODCO thereafter. If the Transocean Tax Group transfers any
part of the TODCO Business (including any Subsidiary) to the TODCO Tax Group, or the TODCO Tax
Group transfers any part of the Transocean Business (including any Subsidiary) to the Transocean
Tax Group, after the IPO Closing Date in a transaction contemplated by Sections 2.7 and 2.8 of the
Master Separation Agreement, such transfer will be deemed to have occurred immediately before the
IPO Closing Date.

          “Transocean” has the meaning set forth in the recital hereto.

          “Transocean Business” has the meaning set forth in the Master Separation Agreement.

          “Transocean Tax Group” means Transocean and all persons that are Subsidiaries of Transocean,
other than members of the TODCO Tax Group, immediately after the IPO Closing Date, including
without limitation the Subsidiaries set forth in Schedule 1.3 and persons that become Subsidiaries
of Transocean thereafter. If the Transocean Tax Group transfers any part of the TODCO Business
(including any Subsidiary) to the TODCO Tax Group, or the TODCO Tax Group transfers any part of the
Transocean Business (including any Subsidiary) to the Transocean Tax Group, after the IPO Closing
Date in a transaction contemplated by Article II of the Master Separation Agreement, such transfer
will be deemed to have occurred immediately before the IPO Closing Date.

          “Treasury Regulations” means the regulations promulgated from time to time under the Code as
in effect for the relevant Tax Year.

          SECTION 2. Allocation of Income Tax Liabilities.

          2.1 Federal Income Taxes. Except as provided in Section 2.5, liability for Federal Income Taxes shall be allocated as
follows:

               (a) Consolidated Years.

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                    (i) Except as provided in Section 2.1(a)(ii), for each Consolidated Year, TODCO shall be
liable for and pay to Holdings an amount equal to the Federal Income Taxes attributable to the
TODCO Tax Group. Such amount shall be determined as if TODCO and its eligible Subsidiaries were
not required to join and did not join in the filing of the Consolidated Return for that
Consolidated Year but instead filed their own consolidated Federal Income Tax Return on which
TODCO’s tax liability was calculated pursuant to Treasury Regulations Section 1.1552-1(a)(2)(ii).

                    (ii) TODCO shall not be liable for any Federal Income Taxes attributable to the TODCO Tax
Group (x) for any Consolidated Year which ends on or before the IPO Closing Date or (y) in the case
of a Consolidated Year which is a Straddle Period, for the portion thereof which ends on the IPO
Closing Date.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all Federal Income Taxes for all
Consolidated Years other than amounts for which TODCO is liable pursuant to this Section 2.1(a).

               (b) Separate Return Years.

                    (i) Except as provided in Section 2.1(b)(ii), TODCO shall be liable for all Federal Income
Taxes imposed on members of the TODCO Tax Group with respect to all Separate Return Years.

                    (ii) TODCO shall not be liable for any Federal Income Taxes imposed on members of the TODCO
Tax Group (x) for any Separate Return Year which ends on or before the IPO Closing Date or (y) in
the case of a Separate Return Year which is a Straddle Period, for the portion thereof which ends
on the IPO Closing Date. Notwithstanding the immediately preceding sentence, if any member of the
TODCO Tax Group becomes a member of such Group after the IPO Closing Date (determined after the
application of Section 2.5(a) of this Agreement), TODCO shall be liable for all Federal Income
Taxes imposed on such member for all Separate Return Years.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all Federal Income Taxes for all
Tax Years which are not Consolidated Years other than amounts for which TODCO is liable pursuant to
this Section 2.1(b).

          2.2 State Income Taxes. Except as provided in Section 2.5, liability for State Income
Taxes shall be allocated as follows:

               (a) Combined Years.

                    (i) Except as provided in Section 2.2(a)(ii), for each Combined Year, TODCO shall be liable
for and pay to Holdings (or another member of the Transocean Tax Group designated by Holdings
pursuant to Section 5.5) an amount equal to the State Income Taxes attributable to the TODCO Tax
Group. Such amount shall be determined as if TODCO and its eligible Subsidiaries were not required
to join and did not join in the filing of a Combined Return for that Combined Year but instead

-9-

 

filed their own combined State Income Tax Return on which TODCO’s tax liability was calculated
consistently with the principles of Treasury Regulations Section 1.1552-1(a)(2)(ii).

                    (ii) TODCO shall not be liable for any State Income Taxes attributable to the TODCO Tax Group
(x) for any Combined Year which ends on or before the IPO Closing Date or (y) in the case of a
Combined Year which is a Straddle Period, for the portion thereof which ends on the IPO Closing
Date.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all State Income Taxes for all
Combined Years other than amounts for which TODCO is liable pursuant to this Section 2.2(a).

               (b) Separate Return Years.

                    (i) Except as provided in Section 2.2(b)(ii), TODCO shall be liable for all State Income Taxes
imposed on members of the TODCO Tax Group with respect to all Separate Return Years.

                    (ii) TODCO shall not be liable for any State Income Taxes imposed on members of the TODCO Tax
Group (x) for any Separate Return Year which ends on or before the IPO Closing Date or (y) in the
case of a Separate Return Year which is a Straddle Period, for the portion thereof which ends on
the IPO Closing Date. Notwithstanding the immediately preceding sentence, if any member of the
TODCO Tax Group becomes a member of such Group after the IPO Closing Date (determined after the
application of Section 2.5(a) of this Agreement), TODCO shall be liable for all State Income Taxes
imposed on such member for all Separate Return Years.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all State Income Taxes for all
Separate Return Years other than amounts for which TODCO is liable pursuant to this Section 2.2(b).

          2.3 Foreign Income Taxes. Except as provided in Section 2.5, liability for Foreign Income
Taxes shall be allocated as follows:

               (a) Combined Years.

                    (i) Except as provided in Section 2.3(a)(ii), for each Combined Year, TODCO shall be liable
for and pay to Holdings (or another member of the Transocean Tax Group designated by Holdings
pursuant to Section 5.5) an amount
equal to the Foreign Income Taxes that are attributable to the TODCO Tax Group. Such amount
shall be determined as if TODCO and its eligible Subsidiaries were not required to join and did not
join in the filing of a Combined Return for that Combined Year but instead filed their own combined
Foreign Income Tax Return on which TODCO’s tax liability was calculated consistently with the
principles of Treasury Regulations Section 1.1552-1(a)(2)(ii).

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                    (ii) TODCO shall not be liable for any Foreign Income Taxes attributable to the TODCO Tax
Group (x) for any Combined Year which ends on or before the IPO Closing Date or (y) in the case of
a Combined Year which is a Straddle Period, for the portion thereof which ends on the IPO Closing
Date.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all Foreign Income Taxes for all
Combined Years other than amounts for which TODCO is liable pursuant to this Section 2.3(a).

               (b) Separate Return Years.

                    (i) Except as provided in Section 2.3(b)(ii), TODCO shall be liable for all Foreign Income
Taxes imposed on members of the TODCO Tax Group with respect to all Separate Return Years.

                    (ii) TODCO shall not be liable for any Foreign Income Taxes imposed on the TODCO Tax Group (x)
for any Separate Return Year which ends on or before the IPO Closing Date or (y) in the case of a
Separate Return Year which is a Straddle Period, for the portion thereof which ends on the IPO
Closing Date. Notwithstanding the immediately preceding sentence, if any member of the TODCO Tax
Group becomes a member of such Group after the IPO Closing Date (determined after the application
of Section 2.5(a) of this Agreement), TODCO shall be liable for all Foreign Income Taxes imposed on
such member for all Separate Return Years.

                    (iii) Holdings shall indemnify TODCO and its Subsidiaries for all Foreign Income Taxes for all
Separate Return Years other than amounts for which TODCO is liable pursuant to this Section 2.3(b).

          2.4 Other Taxes. Except as provided in Section 2.5, TODCO shall be liable for any Other
Tax attributable to the TODCO Business, and Holdings shall indemnify TODCO and its Subsidiaries for
any Other Tax that is not attributable to the TODCO Business.

          2.5 Special Rules.

               (a) Separation Transactions Occurring After the IPO Closing Date. If the Transocean Tax Group
transfers any part of the TODCO Business (including any Subsidiary) to the TODCO Tax Group, or the
TODCO Tax Group transfers any part of the Transocean Business (including any Subsidiary) to the
Transocean Tax Group, after the IPO Closing Date in a transaction contemplated by Sections 2.7 or
2.8 of the
Master Separation Agreement, such transfer will be deemed to have occurred immediately before
the IPO Closing Date for purposes of computing the Taxes imposed on or attributable to the TODCO
Tax Group and the Transocean Tax Group.

               (b) Straddle Periods. For purposes of determining the Income Taxes attributable to or imposed
on the TODCO Tax Group for the portion of any Straddle Period which ends on the IPO Closing Date,
such Straddle Period shall be treated as two Tax Years, one ending on the IPO Closing Date and the
other beginning on

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the following day, and all calculations shall be made by (x) closing the books
of the TODCO Tax Group at the end of the month preceding the month in which the IPO Closing Date
occurs, (y) closing the books of the TODCO Tax Group again at the end of the month in which the IPO
Closing Date occurs, and (z) apportioning Tax Items accruing in the month in which the IPO Closing
Date occurs to each hypothetical Tax Year pro rata in proportion to the number of days in such
month that are within each hypothetical Tax Year. Notwithstanding the immediately preceding
sentence, all Tax Items that are extraordinary items within the meaning of Treasury Regulations
Section 1.1502-76(b)(2)(ii)(C) shall be allocated to the hypothetical Tax Year in which they
accrue; provided, however, that all extraordinary items (other than items resulting from a
transaction contemplated by Article II of the Master Separation Agreement) accruing after the
Deconsolidation Date and on or before the IPO Closing Date will be allocated entirely to the
hypothetical Tax Year that begins on the day following the IPO Closing Date .

               (c) Short Years. If a Consolidated or Combined Return is filed with respect to a Tax Year, and
if TODCO and its eligible Subsidiaries are not included in such Consolidated or Combined Return for
that entire Tax Year, then for purposes of determining the Income Taxes attributable to or imposed
on the TODCO Tax Group for the resulting short Consolidated or Combined Year and the short Separate
Return Year, all calculations shall be made by (x) closing the books of the TODCO Tax Group at the
end of the month preceding the month in which the first short year ends, (y) closing the books of
TODCO Tax Group again at the end of the month in which the first short year ends, and (z)
apportioning Tax Items accruing in the month in which the first short year ends to each short year
pro rata in proportion to the number of days in such month that are within each short year.
Notwithstanding clause (z) of the immediately preceding sentence, all Tax Items that are
extraordinary items within the meaning of Treasury Regulations Section 1.1502-76(b)(2)(ii)(C) shall
be allocated to the short year in which they accrue; provided, however, that the principles of
Treasury Regulations Section 1.1502-76(b)(1)(ii)(B) (Next Day Rule) shall apply in determining the
proper allocation of extraordinary items accruing on the last day of the earlier short Tax Year.

               (d) Payments to Foreign Jurisdictions. If at any time after the Deconsolidation Date any
member of the TODCO Tax Group makes a payment to a foreign Tax Authority for Taxes for which
Holdings is otherwise liable under this Agreement, Holdings shall have no obligation to indemnify
such member unless such member obtains prior written consent from Holdings to make such payment.
If Holdings fails to consent to such payment, it shall indemnify TODCO and its Subsidiaries for any
Taxes resulting from the failure to make such payment.

               (e) Income Taxes Attributable to Trinidad and Tobago. TODCO shall be liable for all Foreign
Income Taxes imposed by the Republic of Trinidad and Tobago that are attributable to the TODCO
Business, regardless of whether such Taxes relate to a period, or portion thereof, ending on or
before the IPO Closing Date.

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               (f) Payroll Taxes Resulting from Exercise of Stock Options. Holdings shall be liable for all
payroll Taxes, including Taxes imposed under Sections 3102, 3111, and 3301 of the Code or similar
provisions under state or foreign Tax Laws, resulting from the delivery (or deemed delivery in the
case of a cashless exercise) by the Transocean Tax Group of stock of Transocean to any person
pursuant to the exercise of a stock option described in Section 4.4 and listed on Schedule 4.4.

          2.6 Tax Payments and Intercompany Billings. Each Company shall pay the Taxes allocated to
it by this Section 2 either to the applicable Taxing Authority or to the other appropriate Company
in accordance with Section 5.

          SECTION
3. Preparation and Filing of Tax Returns.

          3.1 Combined Returns and Consolidated Returns.

               (a) Preparation by Transocean and Holdings. Holdings shall be responsible for preparing all
Consolidated Returns and Combined Returns.

               (b) Provision of Information and Assistance by TODCO.

                    (i) Information with Respect to Final Returns. TODCO shall, for each Consolidated Return or
Combined Return, provide Holdings with all information relating to members of the TODCO Tax Group
which Holdings needs to prepare such return. TODCO shall use its best efforts to provide such
information no later than the earlier of (x) thirty days prior to the due date of such Consolidated
Return or Combined Return, taking into account any extensions that Holdings has given written
notice to TODCO that it intends to file, or (y) the first day of the fifth month following the end
of the Tax Year to which such information relates, but in any event shall provide such information
no later than the earlier of (x) fifteen days prior to the due date of such Consolidated Return or
Combined Return, taking into account any extensions that Holdings has given written notice to TODCO
that it intends to file, and (y) the fifteenth day of the fifth month following the end of such Tax
Year.

                    (ii) Information with Respect to Estimated Payments and Extension Payments. TODCO shall
provide Holdings with all information relating to members of the TODCO Tax Group which Holdings
needs to determine the amount of Taxes due on any Payment Date. TODCO shall use its best efforts
to provide such information no later than fifteen days before such Payment Date, but in any event
shall provide such information no later than ten days before such Payment Date.

                    (iii) Assistance. At the request of Holdings, TODCO shall take any action (e.g., filing a
ruling request with the relevant Tax Authority or executing a power of attorney) that is reasonably
necessary in order for Holdings to prepare, file, amend or take any other action with respect to
any Consolidated or Combined Return.

          3.2 Separate Returns and Other Returns.

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                    (a) Tax Returns to be Prepared by Holdings. Holdings shall be responsible for preparing all
Separate Returns and Other Returns which (x) relate solely to one or more members of the Transocean
Tax Group for any Tax Year, (y) relate solely to one or more members of the TODCO Tax Group for any
Tax Year ending on or before the IPO Closing Date or for any Tax Year which is a Straddle Period,
or (z) are information returns (including without limitation IRS Forms W-2 and 1099) relating
solely to the delivery (or deemed delivery in the case of a cashless exercise) by the Transocean
Tax Group of stock of Transocean to any person pursuant to the exercise of a stock option described
in Section 4.4. In connection with the preparation of the Tax Returns specified in this Section
3.2(a), TODCO shall provide information and assistance as described in Sections 3.1(b)(ii) and
(iii) in the same manner as if such Tax Returns were Consolidated Returns or Combined Returns.

               (b) Tax Returns to be Prepared by TODCO.

                    (i) Except as otherwise provided in this Section 3.2(b), TODCO shall be responsible for
preparing all Separate Returns and Other Returns which relate solely to one or more members of the
TODCO Tax Group for any Tax Year ending after the IPO Closing Date and which is not a Straddle
Period, but not including information returns (including without limitation IRS Forms W-2 and 1099)
relating solely to the delivery (or deemed delivery in the case of a cashless exercise) by the
Transocean Tax Group of stock of Transocean to any person pursuant to the exercise of a stock
option described in Section 4.4. In preparing such Other Returns, TODCO may not take any positions
that it knows, or reasonably should know, would adversely affect any member of the Transocean Tax
Group. Notwithstanding anything to the contrary in this Section 3 and until a final determination
is made by a Taxing Authority to the contrary, TODCO shall claim (or shall cause the appropriate
member of the TODCO Tax Group to claim) on the relevant Tax Return the deduction under Section
83(h) of the Code or any other relevant provision of federal Tax Law with respect to all stock
options described in Section 4.4 and listed on Schedule 4.4 that have been exercised during the Tax
Year covered by such Tax Return.

                    (ii) Holdings will have the right to determine the items specified in clauses (1), (3), (4)
and (5) of Section 3.3(a) with respect to any Tax Return described in Section 3.2(b)(i) if either
(x) such Tax Return is filed for a Tax Year at any time during which Transocean or Holdings owned
stock possessing greater than 50% of the voting power of all of the outstanding TODCO stock or (y)
such Tax Return is filed for a Tax Year at any time during which there remains a present or
potential obligation of at least $5,000,000, in the aggregate, under Section 4.2(a) for TODCO to
pay Holdings
for the use or deemed use of any Pre-IPO Tax Asset. The determination in clause (y) shall be
made without considering any stock options described in Section 4.4 and listed on Schedule 4.4.
For any Tax Year in which neither of the conditions in clauses (x) or (y) are met, TODCO shall make
reasonable efforts to utilize all remaining Pre-IPO Tax Assets.

               (c) Provision of Information. Holdings shall provide to TODCO, and TODCO shall provide to
Holdings, any information about members of the

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Transocean Tax Group or the TODCO Tax Group,
respectively, which the party receiving such information needs to comply with Section 3.2(a) or
(b). Such information shall be provided within the time prescribed by Section 3.1(b) for the
provision of information for Consolidated Returns and Combined Returns.

          3.3 Special Rules Relating to the Preparation of Tax Returns.

               (a) General Rule. Except as otherwise provided in this Agreement, the party responsible for
filing a Tax Return pursuant to Sections 3.1 or 3.2 shall have the exclusive right, in its sole
discretion, with respect to such Tax Return to determine (1) the manner in which such Tax Return
shall be prepared and filed, including the elections, methods of accounting, positions, conventions
and principles of taxation to be used and the manner in which any Tax Item shall be reported, (2)
whether any extensions may be requested, (3) the elections that will be made on such Tax Return,
(4) whether an amended Tax Return shall be filed, (5) whether any claims for refund shall be made,
(6) whether any refunds shall be paid by way of refund or credited against any liability for the
related Tax and (7) whether to retain outside firms to prepare or review such Tax Return.

               (b) Election to File Consolidated or Combined Returns. Holdings shall have the sole
discretion of filing any Consolidated Return or Combined Return, if the filing of such return is
elective under the relevant Tax Law.

               (c) Returns Affecting Liability of Other Party. Insofar as a Tax Return prepared by Holdings
may affect Taxes for which TODCO is liable pursuant to this Agreement, or vice versa:

                    (i) Tax Accounting Practices. The Tax Return shall be prepared consistently with past Tax
accounting practices to the extent permissible under applicable Tax Law.

                    (ii) Review Prior to Filing. The Company responsible for preparing any Tax Return (whether
Holdings on the one hand or TODCO on the other hand) shall make the Tax Return or relevant portion
thereof available to the other Company no later than thirty days before the Tax Return is due,
taking into account any extensions that the responsible Company files, and shall in good faith take
into account any comments on such Tax Return by the other Company.

               (d) Standard of Performance. Holdings shall prepare the Tax Returns for which it is
responsible pursuant to this Section 3 and which relate to the
TODCO Tax Group with the same general degree of care as it uses in preparing Tax Returns
relating solely to the Transocean Tax Group. Holdings shall not be liable for any additional Taxes
that result from a redetermination in a Tax Contest and for which TODCO is otherwise liable under
Section 2, unless such additional Taxes arise solely as a result of Holdings failure to exercise
such degree of care.

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          SECTION 4. Tax Benefits, Refunds, and Carrybacks.

          4.1 Compensation by Holdings for TODCO’s Post-IPO Tax Assets. In the event that any member
of the Transocean Tax Group realizes a Tax Benefit during any Consolidated Year or Combined Year as
a result of the use or absorption by any Transocean Tax Group member of any Post-IPO Tax Asset of
the TODCO Tax Group, as determined under the principles of Section 4.2(b), then Holdings (or other
appropriate member of the Transocean Tax Group) shall pay to TODCO, in accordance with Section 5,
the value of such Tax Asset, as determined under the principles of Section 4.2(c) without regard to
the specific rules following clause (iii) thereof.

          4.2 Compensation by TODCO for Pre-IPO Tax Assets.

               (a) Payment for Tax Assets. Except as otherwise provided in Sections 4.2(f), (g) and (h), if
on any Tax Return, any member of the TODCO Tax Group uses or absorbs any Pre-IPO Tax Asset to
reduce any Tax for which TODCO is liable under Section 2, then TODCO shall, in accordance with
Section 5, pay to Holdings (or another member of the Transocean Tax Group designated by Holdings
pursuant to Section 5.5) an amount equal to the value of such Tax Asset. For purposes of this
Section 4.2(a), whether the use or absorption of a Pre-IPO Tax Asset by any member of the TODCO Tax
Group has the effect of reducing any Tax for which TODCO is liable under Section 2 shall be
determined without regard to any unused Tax Asset that, but for such Pre-IPO Tax Asset, could have
otherwise been used or absorbed to reduce such Tax.

               (b) Time at which Tax Asset is Created. For purposes of Section 4.2(a):

                    (i) General Rule. A Tax Asset shall be considered created in the Tax Year relating to the Tax
Return (including an information return of U.S. persons with respect to certain foreign
corporations on Internal Revenue Service Form 5471) on which the Tax Asset is first included. In
the case of a Straddle Period, the principles of Section 2.5(b) shall apply to determine whether
such Tax Asset is created on or before the IPO Closing Date.

                    (ii) Exception for Certain Excluded Tax Assets. Any Tax Asset not included in a Tax Return by
reason of Sections 163(j) or 267 of the Code, Treasury Regulations Section 1.1502-13 or any similar
deferral provision under federal, state or foreign Tax Law shall be considered included in such Tax
Return. This provision does not apply to any Tax Asset relating to Transocean stock options.

                    (iii) Exception for Tax Assets Arising out of the Payment of Income Taxes. Any Tax Asset
resulting from the payment of (x) a Foreign Income Tax, other than a Foreign Income Tax described
in Section 5.3(b), (y) a State Income Tax or (z) an alternative minimum tax imposed by Section 55
of the Code shall be considered created in the year in which the income or other Tax Item to which
such Tax relates accrued, regardless of the year in which such Tax is paid or accrued.

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                    (iv) Exception for Displaced Post-IPO Tax Assets. Any Tax Asset that (x) would otherwise be
treated, pursuant to Sections 4.2(b)(i) through (iii), as created after the IPO Closing Date and
(y) has the effect of reducing, pursuant to Section 4.2(c), the value of any Pre-IPO Tax Asset
shall thereafter be treated as created on or before the IPO Closing Date.

               (c) Value of Tax Assets. For purposes of Section 4.2(a), the value of any Tax Asset shall be
considered equal to:

               (i) in the case of any deduction, loss previously deferred under Section 267(f) of the Code,
net operating loss or net capital loss not otherwise described in clause (iii) below, the product
of (1) the amount of such deduction or loss used or absorbed on such Tax Return and (2) the highest
statutory tax rate applicable under Section 11 of the Code or relevant state or foreign Tax Law,

               (ii) in the case of any tax credit not otherwise described in clause (iii) below, one hundred
percent (100%) of such tax credit used or absorbed on such Tax Return, and

               (iii) in the case of any Tax Asset that is a Pre-IPO Tax Asset by reason of Section
4.2(b)(iv), the amount by which such Tax Asset previously reduced, pursuant to this Section 4.2(c),
the value of another Pre-IPO Tax Asset;

provided, however, that the value of any Pre-IPO Tax Asset shall be reduced (but not below zero) by
the value of any Post-IPO Tax Asset (other than a carryback of (1) a net operating loss, (2) tax
credit or (3) any other Post-IPO Tax Asset) to the extent that such Post-IPO Tax Asset could have
otherwise been used or absorbed by the TODCO Tax Group, but for the existence of a Pre-IPO Tax
Asset, to similarly reduce the Tax for which TODCO is liable under Section 2. For purposes of the
immediately preceding sentence, a Post-IPO Tax Asset will also be considered eligible to have
otherwise been used or absorbed if such Tax Asset was used or absorbed on the relevant Tax Return
as a deduction and could have been used or absorbed as a tax credit, but for the existence of a
Pre-IPO Tax Asset. Any Post-IPO Tax Asset that TODCO (or Holdings, by reason of Section
3.2(b)(ii)) may elect to treat either as a tax credit or a deduction shall be valued in the
following manner: (x) in the case of a Tax Asset that is reported on the relevant Tax Return as a
tax credit, the Tax Asset shall have a value equal to 80 percent of its value determined under
Section 4.2(c)(ii), and (y) in the case of a Tax Asset that is reported on the relevant Tax Return
as a deduction, the Tax Asset shall have a value equal to 80 percent of the excess of its value as
if determined under Section 4.2(c)(ii) over its value determined under Section 4.2(c)(i).

               (d) Determination of Tax Assets Used or Absorbed. The determination of (x) whether any
Pre-IPO Tax Asset (including any Tax Asset treated as a Pre-IPO Tax Asset pursuant to Section
4.2(b)(iv)) has been used or absorbed on any relevant Tax Return after the IPO Closing Date, (y)
the value of any such Tax Asset as determined pursuant to Section 4.2(c), and (z) whether any other
Tax Asset becomes described in Section 4.2(b)(iv) as a result of the use or absorption of any
Pre-IPO Tax

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Asset shall be made by TODCO and reported by a nationally recognized accounting firm no
later than twenty (20) days after the date on which the relevant Tax Return is filed. Such
accounting firm shall report such determination by applying the same standards as it would in
preparing a tax return that it would sign as an “income tax return preparer” (as defined in Section
7701(a)(36) of the Code) and such accounting firm shall sign a letter certifying that such
determination has been made in accordance with such standards and on a fair and impartial basis.
Holdings shall be given an opportunity to review such determination and the supporting schedules
and calculations. Holdings shall be given the opportunity to ask questions of the accounting firm,
and if Holdings is not satisfied with the detail given in the supporting schedules, the accounting
firm shall provide Holdings with any additional supporting detail as Holdings shall reasonably
request. Holdings shall have, in its sole discretion, the right to designate a nationally
recognized accounting firm and shall bear all costs associated with such firms reporting under this
Section 4.2(d).

               (e) Forecast of Tax Assets Used or Absorbed. If during any Tax Year ending after the IPO
Closing Date any Pre-IPO Tax Asset continues to be available for use by any member of the TODCO Tax
Group, then TODCO shall provide to Holdings, no later than March 15, June 15, September 15 and
December 15 of such year, periodic forecasts of (1) the use of such Tax Asset during such year, (2)
the value of such Tax Asset, (3) whether any other Tax Asset will become described in Section
4.2(b)(iv) and (4) any other items reasonably requested by Holdings. TODCO shall also provide to
Holdings, no later than October 15 of such year, a forecast of (1) the use or absorption of any
such Tax Asset in the following year, (2) the value of such Tax Asset, (3) any other Tax Asset that
will become described in Section 4.2(b)(iv) and (4) any other items reasonably requested by
Holdings.

               (f) Acceleration of Payments Upon Change of Control. If on any day following the IPO Closing
Date any person or entity other than a member of the Transocean Tax Group owns stock (or would be
treated as owning stock if the attribution rules of Section 318(a) of the Code were to apply)
possessing greater than 50% of the voting power of all of the outstanding TODCO stock, all unused
Pre-IPO Tax Assets (except deemed Pre-IPO Tax Assets under Section 4.4, which will be payable when
utilized as otherwise set forth in this Agreement) shall, for purposes of Section 4.2(a), be
treated as having been used by TODCO on a Tax Return filed immediately prior to such day. In such
case, TODCO shall, in accordance with Section 5, pay to Holdings (or another member of the
Transocean Tax Group designated by Holdings pursuant to Section 5.5) the amount equal to the
product of (x) the value of all unused Pre-IPO Tax Assets and (y) the Applicable Discount Rate for
the year in which the Tax Return including such Pre-IPO Tax Assets is treated as being filed. The
value of all such unused Pre-IPO Tax Assets shall be determined pursuant to Sections 4.2(c)(i),
(ii) and (iii),
without reduction by the value of any Post-IPO Tax Asset. However, if any such unused Pre-IPO
Tax Asset (other than a Tax Asset that is a Pre-IPO Tax Asset by reason of Section 4.2(b)(iv)) is a
foreign tax credit under Section 901 of the Code, then such unused Pre-IPO Tax Asset shall be
valued under Section 4.2(c)(i) as if it were a deduction rather than under Section 4.2(c)(ii).

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               (g) Acceleration of Payments Upon Deconsolidation. If on any day following the IPO Closing
Date any member of the TODCO Tax Group ceases to join in the filing of a Federal Income Tax Return
which is filed on a consolidated basis by TODCO, as the common parent, and its eligible
Subsidiaries (as determined under Section 1504(a) of the Code or any successor provision), all
Pre-IPO Tax Assets attributable to such member (except deemed Pre-IPO Tax Assets under Section 4.4,
which will be payable when utilized as otherwise set forth in this Agreement) shall, for purposes
of Section 4.2(a), be treated as having been used on a Tax Return filed immediately prior to such
day. A Tax Asset shall be attributable to a member of the TODCO Tax Group if such member would be
entitled to deduct, credit or otherwise use, under the relevant Tax Law, such Pre-IPO Tax Asset on
a Tax Return filed with respect to any Tax Year, or portion thereof, beginning after such day. If
any Pre-IPO Tax Asset is treated as being used pursuant to this Section 4.2(g), TODCO shall, in
accordance with Section 5, pay to Holdings (or another member of the Transocean Tax Group
designated by Holdings pursuant to Section 5.5) the amount equal to the product of (x) the value of
such Pre-IPO Tax Asset and (y) the Applicable Discount Rate for the year in which the Tax Return
including such Pre-IPO Tax Asset is treated as being filed. The value of such Pre-IPO Tax Asset
shall be determined pursuant to Sections 4.2(c)(i), (ii) and (iii), without reduction by the value
of any Post-IPO Tax Asset. However, if such Pre-IPO Tax Asset (other than a Tax Asset that is a
Pre-IPO Tax Asset by reason of Section 4.2(b)(iv)) is a foreign tax credit under Section 901 of the
Code, then such Pre-IPO Tax Asset shall be valued under Section 4.2(c)(i) as if it were a deduction
rather than under Section 4.2(c)(ii).

               (h) Other Special Rules. The following rules shall apply for purposes of applying this
Section:

                    (i) Ordering Rules. If as a result of the application of Section 4.2(a), Section 4.2(f) or
Section 4.2(g) a Tax Asset is treated as used or absorbed more than once, such Tax Asset shall be
treated as used, for purposes of this Section 4, only once and at the earliest possible date.

                    (ii) Alternative Minimum Tax. This Section 4 shall be applied without regard to the
alternative minimum tax and the alternative minimum tax credit provisions of Sections 53 and 55
through 59 of the Code; provided, however, that this Section 4 shall apply to any credit under
Section 53 of the Code arising out of the payment of alternative minimum tax under Section 55 of
the Code with respect a Tax Year, or portion thereof, ending on or before the IPO Closing Date.
For purposes of Section 4.2(a), TODCO will be deemed to use or absorb any credit under Section 53
of the Code that is a Pre-IPO Tax Asset only after it has used or absorbed all other available
credits under Section 53 of the Code.

                    (iii) Trinidad and Tobago Taxes and Tax Assets. Section 4.2(a) shall not apply, and TODCO
shall have no obligation to pay Holdings, with respect to any Pre-IPO Tax Asset, to the extent that
such Tax Asset either (x) reduces a Foreign Income Tax imposed by the Republic of Trinidad and
Tobago and the creation of such Tax Asset was attributable to the TODCO Business or (y) is
generated as

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a result of the payment of a Foreign Income Tax imposed by the Republic of Trinidad
and Tobago and such Foreign Income Tax was attributable to the TODCO Business.

                    (iv) Reduction in Value of State Tax Assets to Offset Loss of Federal Income Tax Deductions.
The value, as otherwise determined under Section 4.2(c), of any Pre-IPO Tax Asset that reduces a
State Income Tax shall be reduced by the deemed lost Federal Income Tax related Tax Benefit, which
shall be the product of (1) the value of such Pre-IPO Tax Asset as otherwise determined under
Section 4.2(c) and (2) the highest statutory tax rate applicable under Section 11 of the Code.

                    (v) Reduction in Value of Foreign Tax Assets to Offset Loss of Federal Income Tax Deductions.
The value, as otherwise determined under Section 4.2(c), of any Pre-IPO Tax Asset that reduces a
Foreign Income Tax shall be reduced by the deemed lost Federal Income Tax related Tax Benefit,
which shall be the product of (1) the value of such Pre-IPO Tax Asset as otherwise determined under
Section 4.2(c) and (2) the highest statutory tax rate applicable under Section 11 of the Code.

                    (vi) Examples. The operation of various provisions of this Section 4 is illustrated by
examples in Appendix A of this Agreement.

          4.3 Claims for Refund from Carrybacks.

               (a) Filing Claims and Making Payments for Carrybacks. If the TODCO Tax Group generates a
Carryback to a Consolidated Year or Combined Year, then, upon request of TODCO, Holdings may, in
its sole discretion, file a claim for refund arising from such Carryback and pay such refund to
TODCO in accordance with Section 5.

               (b) Adjustment of Tax Items. In the event that a Carryback by the TODCO Tax Group to a
Consolidated Year or Combined Year increases the liability for Taxes of the Transocean Tax Group,
the amount of the refund to which the TODCO Tax Group shall be entitled to receive, in accordance
with Section 5, shall be net of such increased liability to the Transocean Tax Group.

          4.4 Tax Benefits Resulting from Exercise of Stock Options. If pursuant to the exercise of
a stock option listed on Schedule 4.4, the Transocean Tax Group delivers (or is deemed to deliver
in the case of a cashless exercise) stock of Transocean to the person exercising such option, then
(x) 55% of the deduction under Section 83 of the Code or any other relevant provision of federal
Tax Law and (y) 55% of the deduction for amounts paid by Holdings pursuant to Section 2.5(f), in
each case, with
respect to the delivery of such stock shall be treated as a Pre-IPO Tax Asset for purposes of
Section 4.2 and subject to the payment provisions of Section 5. Any stock option (or a portion
thereof) not otherwise listed on Schedule 4.4 shall be deemed to be listed on Schedule 4.4 if
Holdings establishes to the reasonable satisfaction of TODCO (or the Internal Revenue Service
concludes on audit of either Holdings or TODCO) that the

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delivery of Transocean stock pursuant to
the exercise of such option (or portion thereof) would give rise to a deduction allocable to a
member of the TODCO Tax Group.

          SECTION
5. Tax Payments and Intercompany Billings.

          5.1 Consolidated and Combined Returns.

               (a) Computation and Payment of Tax Due. At least ten business days prior to any Payment Date
for a Consolidated or Combined Return, Holdings shall compute the amount of Tax required to be paid
to the relevant Tax Authority with respect to such Tax Return on such Payment Date and shall notify
TODCO in writing of (x) the amount of Tax required to be paid on such Payment Date, and (y) the
amount, if any, of such Tax which is allocable to TODCO under Sections 2.1(a), 2.2(a) and 2.3(a).
Holdings will pay, or shall cause one or more of its Subsidiaries (other than members of the TODCO
Tax Group) to pay, the amount described in clause (x) of the immediately preceding sentence to the
relevant Tax Authority on or before such Payment Date.

               (b) Computation and Payment of TODCO Liability With Respect to Tax Due. Within thirty days
following any Payment Date, TODCO will pay to Holdings (or another member of the Transocean Tax
Group designated by Holdings pursuant to Section 5.5) the amount, if any, of Tax paid on such
Payment Date for which TODCO is liable in accordance with Sections 2.1(a), 2.2(a) and 2.3(a),
appropriately adjusted for prior payments made by TODCO with respect to that Consolidated or
Combined Year. If, at any time, the total amount of payments made by TODCO to Transocean (or any
of its Subsidiaries other than members of the TODCO Tax Group) with respect to Taxes for a
Consolidated or Combined Year exceeds the amount for which TODCO is liable in accordance with
Sections 2.1(a), 2.2(a) and 2.3(a), Holdings will promptly remit the excess to TODCO.

          5.2 Payment of Refunds, Tax Benefits, and Tax Assets. Except as otherwise provided in
Section 5.8 or any other part of this Agreement:

               (a) Refund or Tax Benefit Received by Transocean Tax Group. If a member of the Transocean Tax
Group receives a Tax refund with respect to Taxes for which a member of the TODCO Tax Group is
liable hereunder or receives a Tax Benefit for which TODCO is entitled to reimbursement hereunder,
Holdings, as appropriate, shall pay to TODCO, within thirty days following the receipt of the Tax
refund or Tax Benefit, an amount equal to such Tax refund or Tax Benefit. Unless specified
otherwise in this Agreement, a Tax Benefit will be considered received at the time the Tax Return
is filed with respect to such Tax Benefit.

               (b) Refund Received by TODCO Tax Group. If a member of the TODCO Tax Group receives a Tax
refund with respect to Taxes for which a member of the Transocean Tax Group is liable hereunder,
TODCO shall pay to Holdings, within thirty days after the receipt of the Tax refund, an amount
equal to such Tax refund.

               (c) Tax Asset Used by TODCO Tax Group.

-21-

 

                    (i) Estimated Payments. TODCO shall, consistent with the principles of Section 4.2, estimate
the value of all Pre-IPO Tax Assets utilized in determining each required installment of estimated
taxes payable by any member of the TODCO Tax Group either to Holdings under Section 5.1(b) or to a
Tax Authority under Code Section 6655 (without regard to Code Section 6655(d)(1)(B)(ii)) or other
applicable Tax Law. Within thirty days following the required payment date for such installment
(and whether or not any payment is actually made), TODCO shall pay to Holdings the estimated value
of such Pre-IPO Tax Assets, reduced by any payments previously made by TODCO to Holdings, and
increased by any payments previously made by Holdings to TODCO, pursuant to this Section 5.2(c)(i)
for the same Tax Year. If the adjustments described in the immediately preceding sentence result
in a deficit (i.e., a reduction below zero), then Holdings will promptly remit to TODCO the amount
of such deficit. Solely for purposes of this Section 5.2(c)(i), the estimated value of the Pre-IPO
Tax Assets utilized in determining the required installment shall be (i) in the case of the first
required installment, 25% of the value of the Pre-IPO Tax Assets estimated to be used during the
entire year, (ii) in the case of the second required installment, 50% of such value, (iii) in the
case of the third required installment, 75% of such value, and (iv) in the case of the fourth
required installment, 100% of such value.

                    (ii) Date Tax Return is Due. If any member of the TODCO Tax Group receives an extension of
the due date for filing a Tax Return, as determined under Code Section 6072 or other applicable Tax
Law, TODCO shall, consistent with the principles of Section 4.2, estimate the value of all Pre-IPO
Tax Assets that will be used or absorbed on such Tax Return. Within thirty days following such due
date (determined without regard to extensions), TODCO shall pay to Holdings the estimated value of
such Pre-IPO Tax Assets, reduced by any payments previously made by TODCO to Holdings, and
increased by any payments previously made by Holdings to TODCO, pursuant to Section 5.2(c)(i) for
the same Tax Year. If the adjustments described in the immediately preceding sentence result in a
deficit (i.e., a reduction below zero), then Holdings will promptly remit to TODCO the amount of
such deficit.

                    (iii) Date Tax Return is Filed. Within thirty days after any member of the TODCO Tax Group
files a Tax Return for a Tax Year under Code Section 6012 or other applicable Tax Law, TODCO shall
pay to Holdings the value of all Pre-IPO Tax Assets used or absorbed on such Tax Return as
determined under Section 4.2 and 4.4, reduced by any payments previously made by TODCO to Holdings,
and increased by any payments previously made by Holdings to TODCO, pursuant to Sections 5.2(c)(i)
and (ii) for the same Tax Year. If the adjustments described in the immediately preceding sentence
result in a deficit (i.e., a reduction below zero), then Holdings will promptly remit to TODCO the
amount of such deficit.

          5.3 Initial Determinations and Subsequent Adjustments.

               (a) General Rules. The initial determination of the amount of a payment, if any, which one
Company is required to make to another under this Agreement shall be made on the basis of the Tax
Return as filed, or, if the Tax to which the payment relates is not reported in a Tax Return, on
the basis of the amount of Tax

-22-

 

initially paid to the Tax Authority. Except as otherwise provided
in Section 8.3, payments will be made, as appropriate, if as a result of an audit by a Tax
Authority or for any other reason (x) additional Taxes to which such determination relates are
subsequently paid, (y) a refund of such Taxes or a Tax Benefit relating to such Taxes is received,
or (z) the amount or character of any Tax Item is adjusted or redetermined. Except as otherwise
provided in Section 5.8, each payment required by the immediately preceding sentence (x) as a
result of a payment of additional Taxes will be due thirty days after the date on which the
additional Taxes were paid or, if later, thirty days after the date of a request from the other
Company for the payment, (y) as a result of the receipt of a refund or Tax Benefit will be due
thirty days after the refund or Tax Benefit was received, or (z) as a result of an adjustment or
redetermination of the amount or character of a Tax Item will be due thirty days after the date on
which the final action resulting in such adjustment or redetermination is taken by a Tax Authority
or either Company. If a payment is made as a result of an audit by a Tax Authority which does not
conclude the matter, further adjusting payments will be made, as appropriate, to reflect the
outcome of subsequent administrative or judicial proceedings.

               (b) Taxes that Generate TODCO Tax Benefits. Except as otherwise provided in Section 5.8, if
(x) pursuant to Section 5.3(a), Holdings indemnifies TODCO and its Subsidiaries against any
additional State Income Tax, Foreign Income Tax, or Other Tax that is attributable to any Tax Year
or portion thereof beginning before the IPO Closing Date and (y) the payment of such Tax generates
a present or potential future Tax Benefit to the TODCO Tax Group, then TODCO shall be liable for
and pay to Holdings within thirty days after the payment of such Tax by Holdings the deemed value
of such Tax Benefit. For purposes of this Section 5.3(b), the deemed value of such Tax Benefit
shall be an amount equal to the product of (x) the amount of the Tax giving rise to such Tax
Benefit and (y) the highest statutory rate applicable under Section 11 of the Code. However, if
any Tax otherwise described in this Section 5.3(b) exceeds U.S.$1.0 million, determined separately
for each Tax Contest, the Tax Benefit relating to such Tax shall not be treated as a Tax Benefit
described in this Section 5.3(b), but the underlying deduction allowed by the Code arising from the
payment of such Tax shall be treated in the same manner as if it were a Pre-IPO Tax Asset described
in Section 4.2.

          5.4 Indemnification Payments. Except as otherwise provided in Section 2.5(d), if any
member of one Group is required to make a payment to a Tax Authority for Taxes for which a Company
belonging to the other Group is liable under this Agreement, the Company which is liable for such
Taxes under this Agreement will remit the amount for which it is liable to the appropriate other
Company within thirty days after receiving notification requesting such amount.

          5.5 Payments by or to Other Members of the Groups. When appropriate under the
circumstances to reflect the underlying liability for a Tax or entitlement to a Tax refund or Tax
Benefit, a payment which is required to be made by or to a Company may be made by or to another
member of the Group to which that Company belongs, but nothing in this Section 5.5 shall relieve
any Company of its obligations under this Agreement.

-23-

 

          5.6 Interest. Payments pursuant to this Agreement that are not made within
the period prescribed in this Agreement or, if no period is prescribed, within fifteen (15)
business days after demand for payment is made (the “Payment Period”) shall bear interest for the
period from and including the date immediately following the last date of the Payment Period
through and including the date of payment at a per annum rate equal to the Wall Street Journal
Prime Rate plus 2%. Such interest will be payable at the same time as the payment to which it
relates and shall be calculated on the basis of a year of 365 days and the actual number of days
for which due.

          5.7 Tax Consequences of Payments. For all Tax purposes and to the extent permitted by
applicable law, the parties hereto shall treat any payment made pursuant to this Agreement as a
capital contribution or a distribution, as the case may be, immediately prior to the Effective Date
and, accordingly, as not includible in the taxable income of the recipient.

          5.8 Subordination Agreement. [Intentionally omitted].

          SECTION 6. Assistance and Cooperation. The parties will cooperate (and cause their respective
affiliates to cooperate) with each other and with each other’s agents, including accounting firms
and legal counsel, in connection with Tax matters, including provision of relevant documents and
information in their possession and making available to each other, as reasonably requested and
available, personnel (including officers, directors, employees and agents of the Companies or their
affiliates) responsible for preparing, maintaining, and interpreting information and documents
relevant to Taxes, and personnel reasonably required as witnesses or for purposes of providing
information or documents in connection with any administrative or judicial proceedings relating to
Taxes. Any information or documents provided under this Section 6 shall be kept confidential by the
Company receiving the information or documents, except as may otherwise be necessary in connection
with the filing of Tax Returns or in connection with any administrative or judicial proceedings
relating to Taxes.

          SECTION 7. Tax Records.

          7.1 Retention of Tax Records. Each Company shall preserve, and shall cause its affiliates
to preserve, all Tax Records which are in its possession, and which could affect the liability of
any member of the other Group for Taxes, for so long as the contents thereof may become material in
the administration of any matter under applicable Tax Law, but in any event until the later of (x)
the expiration of any applicable statutes of limitation, as extended, and (y) seven years after the
IPO Closing Date.

          7.2 Access to Tax Records. The Companies and their respective affiliates shall make
available to members of the other Group for inspection and copying during normal business hours
upon reasonable notice all Tax Records in their possession to the extent reasonably requested by
any such member of the other Group in connection with the preparation of Tax Returns, audits,
litigation, or the resolution of items under this Agreement.

-24-

 

          SECTION 8. Tax Contests.

          8.1 Notices. Each of the parties shall provide prompt notice to the other
party of any pending or threatened Tax audit, assessment or proceeding or other Tax Contest of
which it becomes aware relating to Taxes for which it is or may be indemnified by the other party
hereunder. Such notice shall contain factual information (to the extent known) describing any
asserted Tax liability in reasonable detail and shall be accompanied by copies of any notice and
other documents received from any Tax Authority in respect of any such matters. If an indemnified
party has knowledge of an asserted Tax liability with respect to a matter for which it is to be
indemnified hereunder and such party fails to give the indemnifying party prompt notice of such
asserted Tax liability, then (x) if the indemnifying party is precluded from contesting the
asserted Tax liability in any forum as a result of the failure to give prompt notice, the
indemnifying party shall have no obligation to indemnify the indemnified party for any Taxes
arising out of such asserted Tax liability, and (y) if the indemnifying party is not precluded from
contesting the asserted Tax liability in any forum, but such failure to give prompt notice results
in a monetary detriment to the indemnifying party, then any amount which the indemnifying party is
otherwise required to pay the indemnified party pursuant to this Agreement shall be reduced by the
amount of such detriment.

          8.2 Control of Tax Contests. Each Company shall have full responsibility and discretion in
handling, settling or contesting any Tax Contest involving a Tax for which it is liable pursuant to
Section 2 of this Agreement, except that (x) Holdings shall have full responsibility and discretion
in handling, settling or contesting any Tax Contest with respect to a Consolidated Return or
Combined Return and (y) TODCO shall not, without written consent from Holdings, exercise its
discretion in handling, settling or contesting or paying Taxes subject to any
Tax Contest in a manner that TODCO knows, or reasonably should know, would adversely affect any
member of the Transocean Tax Group.

          8.3 Cooperation. The indemnified Company shall provide the Company controlling any Tax
Contest pursuant to Section 8.2 with all information relating to the indemnified Company and its
Subsidiaries which the Company controlling the Tax Contest needs to handle, settle or contest the
Tax Contest. At the request of the Company controlling the Tax Contest, the indemnified Company
shall take any action (e.g., executing a power of attorney) that is reasonably necessary in order
for the Company controlling the Tax Contest to handle, settle or contest the Tax Contest. TODCO
shall assist Holdings, and Holdings shall assist TODCO, in taking any remedial actions which are
necessary or desirable to minimize the effects of any adjustment made by a Tax Authority, including
without limitation those described in Internal Revenue Service Revenue Procedure 99-32. The
Company controlling the Tax Contest shall have no obligation to indemnify the indemnified Company
for any additional Taxes resulting from the Tax Contest, if the indemnified Company fails to
cooperate fully or provide complete assistance to the Company controlling the Tax Contest.

          SECTION 9. Restriction on Certain Post-IPO Actions of TODCO. TODCO agrees that it will not take or
fail to take, or permit any Subsidiary of TODCO to

-25-

 

take or fail to take, any action where such
action or failure to act would be inconsistent with or prohibit a distribution by Transocean of its
stock in TODCO from qualifying as a tax-free distribution under Section 355 of the Code. TODCO
also agrees that (i) TODCO has no intentions of causing its wholly owned subsidiary, THE Offshore
Drilling Company, to dispose of the assets it acquired from R&B Falcon Holdings Inc. in a February
2003 merger of those two companies, (ii) TODCO will cause THE Offshore Drilling Company to continue
without interruption the business it conducted prior to the February 2003 merger, and (iii) TODCO
has no intention of disposing of the stock of THE Offshore Drilling Company that it received in
the February 2003 merger.

          SECTION 10. General Provisions.

          10.1 Survival of Obligations. The representations, warranties, covenants and agreements
set forth in this Agreement shall be unconditional and absolute and shall remain in effect without
limitation as to time.

          10.2 Expenses. Each Company and its affiliates shall bear their own expenses
incurred in connection with preparation of Tax Returns, Tax Contests, and other matters related to
Taxes under the provisions of this Agreement.

          10.3 Breach of Agreement. A breach of this Agreement shall be treated as a breach of an Ancillary Agreement within the
meaning of Sections 3.3(c) or 3.4(c), as appropriate, of the Master Separation Agreement.

          10.4 Disputes. The procedures for discussion, negotiation and arbitration set
forth in Article VI of the Master Separation Agreement shall apply to all disputes, controversies
or claims (whether sounding in contract, tort or otherwise) that may rise out of or relate to, or
arise under or in connection with this Agreement.

          10.5 Notices. All notices and other communications hereunder shall be in
writing and shall be delivered in person, by telecopy, by express or overnight mail delivered by a
nationally recognized air courier (delivery charges prepaid), or by registered or certified mail
(postage prepaid, return receipt requested) to the respective parties as follows:

(a) If to Holdings to:

Robert W. Kemp

Assistant Vice President, Tax

Transocean Offshore Deepwater Drilling, Inc.

4 Greenway Plaza, Suite 800

Houston, Texas 77046

(b) If to TODCO to:

T. Scott O’Keefe

Executive Vice President, Finance and Administration

TODCO

2000 W. Sam Houston Parkway South, Suite 800

Houston, Texas 77042

-26-

 

or to such other address as the party to whom notice is given may have previously furnished to the
others in writing in the manner set forth above. Any notice or communication delivered in person
shall be deemed effective on delivery or when delivery is refused. Any notice or communication sent
by telecopy or by air courier shall be deemed effective on the first business day at the place at
which such notice or communication is received following the day on which such notice or
communication was sent.

          10.6 Counterparts. This Agreement may be executed in two or more counterparts, each of
which shall be deemed to be an original, but all of which together shall constitute one and the
same agreement. The Agreement may be delivered by facsimile transmission of a signed copy thereof.

          10.7 Binding Effect; Assignment. This Agreement and all of the provisions hereof shall be
binding upon the parties hereto and inure to the benefit of the parties hereto and their respective
successors and permitted assigns. Except with respect to a merger of a party, neither this
Agreement nor any of the rights, interests or obligations hereunder shall be assigned by any party
hereto without the prior written consent of the other parties, which consent shall not be
unreasonably withheld or delayed; provided, however, that Holdings and TODCO may assign their
respective rights, interests, duties, liabilities and obligations under this Agreement to any other
member of their Group, but such assignment shall not relieve Holdings or TODCO, as the assignor, of
its obligations hereunder.

          10.8 Severability. Any provision of this Agreement which is prohibited or unenforceable in
any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition
or unenforceability without invalidating the remaining provisions hereof. Any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render unenforceable such provision in
any other jurisdiction.

          10.9 Amendment. This Agreement may not be amended or modified in any respect except by a
written agreement signed by all of the parties hereto.

          10.10 Effective Time. This Agreement shall become effective on the Effective Date.

          10.11 Change in Law. Any reference to a provision of the Code or any other Tax
Law shall include a reference to any applicable successor provision or law.

          10.12 Authorization, Etc. Each of the parties hereto hereby represents and
warrants that it has the power and authority to execute, deliver and perform this Agreement, that
this Agreement has been duly authorized by all necessary corporate action on the part of such
party, that this Agreement constitutes a legal, valid and binding

-27-

 

obligation of each such party and
that the execution, deliver and performance of this Agreement by such party does not contravene or
conflict with any provision of law or of its charter or bylaws or any agreement, instrument or
order binding such party.

          10.13 No Third Party Beneficiaries. Except as provided in Sections 3.3 and 3.4 of the Master Separation Agreement, this Agreement
is solely for the benefit of Transocean, Holdings, TODCO and their Subsidiaries and is not intended
to confer upon any other person any rights or remedies hereunder.

-28-

 

          IN WITNESS WHEREOF, the parties have caused this Agreement to be executed by the respective
officers as of the date set forth above.

	 	 	 	 	 	 	 	 	 
	 	 	TRANSOCEAN HOLDINGS INC.	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	 	 	By:
	 	/s/ Robert W. Kemp
 

	 	 
	 

	 	 	 	Name:
	 	Robert W. Kemp	 	 
	 

	 	 	 	Title:
	 	Assistant Vice President, Tax	 	 
	 
	 	 	 	 	 	 	 	 
	 	 	TODCO	 	 
	 
	 	 	 	 	 	 	 	 
	 

	 	 	 	By:
	 	/s/ T. Scott O’Keefe
 

	 	 
	 

	 	 	 	Name:
	 	T. Scott O’Keefe	 	 
	 

	 	 	 	Title:
	 	Executive Vice President,	 	 
	 

	 	 	 	 	 	Finance and Administration	 	 

-29-

 

SCHEDULE 1.1

Applicable Discount Rates

	 	 	 	 	 
	2004
	 	 	0.80	 
	2005
	 	 	0.70	 
	2006
	 	 	0.70	 
	2007
	 	 	0.80	 
	2008
	 	 	0.80	 
	2009
	 	 	0.85	 
	2010
	 	 	0.90	 
	2011
	 	 	0.95	 
	2012
	 	 	0.95	 
	2013 and later years
	 	 	1.00	 

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SCHEDULE 1.2

TODCO Tax Group

Cliffs Drilling (Barbados) Holdings SRL

Cliffs Drilling (Barbados) SRL

Cliffs Drilling Company

Cliffs Drilling de Venezuela, S.A.

Cliffs Drilling Trinidad L.L.C.

Cliffs Drilling Trinidad Offshore Limited

Perforaciones Falrig de Venezuela C.A.

Servicos Integrados Petroleros C.C.I., S.A.

Servicios TODCO, de RL de C.V.

THE Offshore Drilling Company

TODCO

TODCO Management Services, Inc. LLC

TODCO Mexico, Inc.

TODCO Trinidad Ltd.

-31-

 

SCHEDULE 1.3

Transocean Tax Group

Aguas Profundas Limitada

Arcade Drilling AS

Asie Sonat Offshore Sdn Bhd

Cariba Ships Corporation N.V.

Caspian Sea Ventures International, Ltd.

Cliffs Drilling do Brasil Servicos de Petroleo S/C Ltda.

DeepVision LLC

Deepwater Drilling II L.L.C.

Deepwater Drilling L.L.C.

Falcon Atlantic Ltd.

Hellerup Finance International

International Chandlers Inc.

NRB Drilling Services Limited

Overseas Drilling Limited

P.T. Hitek Nusantara Offshore Drilling

PT Transocean Indonesia

R&B Falcon (A) Pty Ltd.

R&B Falcon (Caledonia) Limited

R&B Falcon (Ireland) Limited

R&B Falcon (M) Sdn. Berhad

R&B Falcon (U.K.) Limited

R&B Falcon B.V.

R&B Falcon Canada Co.

R&B Falcon Deepwater (UK) Limited

R&B Falcon Drilling (International & Deepwater) Inc. LLC

R&B Falcon Drilling Co. LLC

R&B Falcon Drilling do Brasil Ltda.

R&B Falcon Drilling Limited, LLC

R&B Falcon Exploration Co. LLC

R&B Falcon International Energy Services B.V.

R&B Falcon Offshore Limited, LLC

R&B Falcon, Inc. LLC

RB Anton Ltd.

RB Astrid Ltd.

RB Mediterranean Ltd.

RBF (Nigeria) Limited

RBF Drilling Co. LLC

RBF Drilling Services, Inc. LLC

RBF Exploration LLC

RBF Finance Co.

RBF Rig Corporation LLC

RBF Servicos Angola, Limitada

Reading & Bates — Demaga Perfuracoes Ltda.

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	Reading & Bates Coal Co. LLC

	SDS Offshore Ltd.

	Sedco Forex Canada Ltd.

	Sedco Forex Corporation

	Sedco Forex Holdings Limited

	Sedco Forex International Drilling, Inc.

	Sedco Forex International Services, S.A.

	Sedco Forex International, Inc.

	Sedco Forex of Nigeria Limited

	Sedco Forex Offshore International N.V.

	Sedco Forex Technical Services, Inc.

	Sedco Forex Technology, Inc.

	Sedneth Panama, S.A.

	Sefora Maritime Limited

	Services Petroliers Sedco Forex

	Shore Services, LLC

	Sonat Brasocean Servicos De Perfuracoes Ltda.

	Sonat Offshore do Brasil Perfuracoes Maritimas Ltda.

	Sonat Offshore SA

	TI International S. de R.L. de C.V.

	Transocean Alaskan Ventures Inc.

	Transocean Brasil Ltda.

	Transocean Deepwater Frontier Limited

	Transocean Deepwater Pathfinder Limited

	Transocean Discoverer 534 LLC

	Transocean Drilling (Nigeria) Ltd.

	Transocean Drilling (U.S.A.) Inc.

	Transocean Drilling Ltd.

	Transocean Drilling Services Inc.

	Transocean Drilling Sdn. Bhd.

	Transocean Enterprise Inc.

	Transocean Holdings Inc.

	Transocean I AS

	Transocean Inc.

	Transocean International Drilling Inc.

	Transocean International Drilling Limited

	Transocean International Resources, Ltd.

	Transocean Investmentivos Ltda.

	Transocean Investments S.à.r.l.

	Transocean Jupiter LLC

	Transocean Management Inc.

	Transocean Mediterranean LLC

	Transocean Offshore (Cayman) Inc.

	Transocean Offshore (North Sea) Ltd.

	Transocean Offshore (U.K.) Inc.

	Transocean Offshore Caribbean Sea, L.L.C.

-33-

 

	 
	Transocean Offshore D.V. Inc.

	Transocean Offshore Deepwater Drilling Inc.

	Transocean Offshore Drilling Ltd.

	Transocean Offshore Drilling Services LLC

	Transocean Offshore Europe Limited

	Transocean Offshore Holdings ApS

	Transocean Offshore International Ltd.

	Transocean Offshore International Ventures Limited

	Transocean Offshore Limited

	Transocean Offshore Nigeria Ltd.

	Transocean Offshore Norway Inc.

	Transocean Offshore Services Ltd.

	Transocean Offshore USA Inc.

	Transocean Offshore Ventures Inc.

	Transocean Richardson LLC

	Transocean Sedco Forex Brasil Ltda.

	Transocean Sedco Forex Ventures Limited

	Transocean Services AS

	Transocean Services UK Ltd.

	Transocean Seven Seas LLC

	Transocean Sino Ltd.

	Transocean Support Services Limited

	Transocean UK Ltd.

	Transocean-Nabors Drilling Technology, L.L.C.

	Triton Drilling Mexico LLC

	Triton Drilling Ltd.

	Triton Holdings Limited

	Triton Industries, Inc.

	Triton Offshore Leasing Services Limited

	Wilrig Drilling (Canada) Inc.

	Wilrig Offshore (UK) Ltd.

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APPENDIX A

Examples Illustrating the Application of Section 4

The following examples illustrate the operation of various provisions of Section 4 of this
Agreement. Each of the examples assumes (i) an income tax rate of 35%, (ii) that the IPO Closing
Date occurred in 2003, and (iii) that TODCO files a Separate Return with respect to all Taxes in
2004 and later years.

     Example 1. In 2004, TODCO has $100x of gross income, all of which is from sources outside the
United States, and pays $35x of Foreign Income Taxes. TODCO has no other expenses or deductions in
2004, but has available a $100x net operating loss (“NOL”) carryforward from 2002. TODCO elects
(or Holdings causes TODCO to elect) to credit, rather than deduct, Foreign Income Taxes paid in
2004. TODCO’s foreign tax credits are, however, subject to full limitation, but solely because of
the existence of the 2002 NOL. The following reflects TODCO’s 2004 liability for Taxes with and
without regard to the 2002 NOL:

	 	 	 	 	 	 	 	 	 
	 	 	Actual Return	 	Hypothetical Return
	 	 	with 2002 NOL	 	without 2002 NOL
	Gross Income
	 	 	100	x	 	 	100	x
	Deductions
	 	 	-0-	 	 	 	-0-	 
	2002 NOL
	 	 	100	x	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Pre-Credit Tax Liability
	 	 	-0-	 	 	 	35	x
	Credits
	 	 	-0-	 	 	 	35	x
	 
	 	 	 	 	 	 	 	 
	Income Tax Liability
	 	 	-0-	 	 	 	-0-	 

     Pursuant to Section 4.2(b)(i), the 2002 NOL is treated as a Pre-IPO Tax Asset. Because the
2002 NOL has the effect of reducing Taxes for which TODCO is liable pursuant to Section 2 (without
regard to the 2004 foreign tax credits that could have otherwise been used), TODCO must pay
Holdings pursuant to Section 4.2(a) an amount equal to the value of the 2002 NOL. Pursuant to
4.2(c), the value of the 2002 NOL is $35x (viz., 35% x $100x), reduced by the value of the foreign
tax credits that could have been used to similarly reduce TODCO’s Taxes, but for the existence of
the 2002 NOL. Pursuant to clause (x) of the last sentence of Section 4.2(c), the value of the
foreign tax credits is $28x (viz., 80% x $35x). Accordingly, the value of the 2002 NOL, $35x, is
reduced by the value of the foreign tax credits, $28x, resulting in a $7 payment obligation by
TODCO to Holdings.

     Pursuant to Section 4.2(b)(iv), the 2004 foreign tax credits will thereafter be treated as a
Pre-IPO Tax Asset. Accordingly, if TODCO subsequently uses those credits on a Tax Return to reduce
its Taxes, it must pay Holdings under Section 4.2(a) an amount equal to the value of those credits.
The value of those credits will be $28x, pursuant to Section 4.2(c)(iii), but subject to reduction
by any Post-IPO Tax that could have

-36-

 

otherwise been used to similarly reduce such Taxes. Similarly, if TODCO uses only half of
those credits (i.e., $17.5x), TODCO must only pay Holdings an amount equal to the value of half of
the credits (i.e., $14x, subject to reduction by any Post-IPO Tax that could have otherwise been
used to similarly reduce such Taxes).

     Example 2. The facts are the same as in Example 1, except that TODCO elects (or Holdings
causes TODCO to elect) to deduct rather than credit Foreign Income Taxes paid in 2004. The
following reflects TODCO’s 2004 liability for Taxes with and without regard to the 2002 NOL:

	 	 	 	 	 	 	 	 	 
	 	 	Actual Return	 	Hypothetical Return
	 	 	with 2002 NOL	 	without 2002 NOL
	Gross Income
	 	 	100	x	 	 	100	x
	Deductions
	 	 	35	x	 	 	35	x
	2002 NOL
	 	 	65	x	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Pre-Credit Tax Liability
	 	 	-0-	 	 	 	22.75	x
	Credits
	 	 	-0-	 	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Income Tax Liability
	 	 	-0-	 	 	 	22.75	x

     Pursuant to Section 4.2(b)(i), the 2002 NOL is treated as a Pre-IPO Tax Asset. Because $65x
of the 2002 NOL has the effect of reducing Taxes for which TODCO is liable pursuant to Section 2,
TODCO must pay Holdings pursuant to Section 4.2(a) an amount equal to the value of that portion of
the 2002 NOL. Pursuant to 4.2(c), the value of that portion of the 2002 NOL is $22.75x (viz., 35%
x $65x), reduced by the value of any Post-IPO Tax Asset that could have otherwise been used to
reduce TODCO’s Taxes. Pursuant to the second sentence of Section 4.2(c), the deduction for Foreign
Income Taxes paid in 2004 will be considered a Tax Asset that could have otherwise been so used,
because TODCO could have credited, rather than deducted, such Foreign Income Taxes but for the
existence of the 2002 NOL. Pursuant to clause (y) of the last sentence of Section 4.2(c), the
value of the such deduction shall equal $18.20x (viz., 80% x ($35x – 35% x $35x)). Accordingly,
the value of $65x of the 2002 NOL, $22.75x, is reduced by the value of the deduction for Foreign
Income Taxes paid in 2004, $18.20x, resulting in a $4.55 payment obligation by TODCO to Holdings.

     Example 3. The facts are the same as in Example 1, except that in 2008 TODCO files (or
Holdings causes TODCO to file) an amended Tax Return for 2004 in which TODCO elects to deduct,
rather than credit, Foreign Income Taxes paid in 2004 (i.e., the results in Example 2).
Accordingly, TODCO’s obligations under Section 4.2(a) will be recomputed taking into account the
amended Tax Return, and TODCO and Holdings will make payments between each other pursuant to
Section 5.3 to reflect the adjusted obligation. On these facts, Holdings would pay TODCO $2.45
(viz. $7 - $4.55).

-37-

 

     The change in the 2004 election, however, also reduces the amount of the 2002 NOL carryforward
that is used in 2004. Accordingly, a payment obligation may arise with respect to the $35x of 2002
NOL carryforward that is carried to 2005 or a later year.

     Example 4. In 2004, TODCO has $100x of gross income and pays no Foreign Income Taxes. TODCO
has no expenses or deductions in 2004, but has available a $100x NOL carryforward from 2002. The
following reflects TODCO’s 2004 liability for Taxes with and without regard to the 2002 NOL:

	 	 	 	 	 	 	 	 	 
	 	 	Actual Return	 	Hypothetical Return
	 	 	with 2002 NOL	 	without 2002 NOL
	Gross Income
	 	 	100	x	 	 	100	x
	Deductions
	 	 	-0-	 	 	 	-0-	 
	2002 NOL
	 	 	100	x	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Pre-Credit Tax Liability
	 	 	-0-	 	 	 	-0-	 
	Credits
	 	 	-0-	 	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Income Tax Liability
	 	 	-0-	 	 	 	35	x

     Pursuant to Section 4.2(b)(i), the 2002 NOL is treated as a Pre-IPO Tax Asset. Because the
2002 NOL has the effect of reducing Taxes for which TODCO is liable pursuant to Section 2, TODCO
must pay Holdings pursuant to Section 4.2(a) an amount equal to the value of the 2002 NOL.
Pursuant to 4.2(c)(i), the value of the 2002 NOL is $35x (viz., 35% x $100x). Accordingly, TODCO
must pay Holdings $35x.

     In 2005, TODCO generates a $100x NOL. Pursuant to the “provided, however,” clause of Section
4.2(c), TODCO may not carry back the 2005 NOL to the hypothetical 2004 Tax Return in order to
reduce the value of the 2002 NOL that was used in 2004.

     Example 5. In 2004, TODCO generates a $100x NOL. In 2005, TODCO has $100x of gross income
and pays no Foreign Income Taxes. TODCO has no expenses or deductions in 2005, but has available a
$100x NOL carryforward from 2002 and a $100x NOL carryforward from 2004 . The following reflects
TODCO’s 2005 liability for Taxes with and without regard to the 2002 NOL:

	 	 	 	 	 	 	 	 	 
	 	 	Actual Return	 	Hypothetical Return
	 	 	with 2002 NOL	 	without 2002 NOL
	Gross Income
	 	 	100	x	 	 	100	x
	Deductions
	 	 	-0-	 	 	 	-0-	 
	2002 NOL
	 	 	100	x	 	 	-0-	 
	2004 NOL
	 	 	-0-	 	 	 	100	x
	 
	 	 	 	 	 	 	 	 
	Pre-Credit Tax Liability
	 	 	-0-	 	 	 	-0-	 
	Credits
	 	 	-0-	 	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Income Tax Liability
	 	 	-0-	 	 	 	-0-	 

-38-

 

     Pursuant to Section 4.2(b)(i), the 2002 NOL is treated as a Pre-IPO Tax Asset. Because the
2002 NOL has the effect of reducing Taxes for which TODCO is liable pursuant to Section 2 (without
regard to the 2004 NOL that could have otherwise been used), TODCO must pay Holdings pursuant to
Section 4.2(a) an amount equal to the value of the 2002 NOL. Pursuant to 4.2(c), the value of the
2002 NOL is $35x (viz., 35% x $100x), reduced by the value of the 2004 NOL that could have been
used to similarly reduce TODCO’s Taxes, but for the existence of the 2002 NOL. Pursuant to the
general rule of Section 4.2(c)(i), the value of the 2004 NOL is $35x (viz., 35% x $100x).
Accordingly, the value of the 2002 NOL, $35x, is reduced by the value of the 2004 NOL, also $35x,
resulting in no payment obligation by TODCO to Holdings.

     Pursuant to Section 4.2(b)(iv), the 2004 NOL will thereafter be treated in the same manner as
if such NOL had been created on or before the Closing Date. Accordingly, if TODCO subsequently
uses the 2004 NOL on a Tax Return to reduce its Taxes, it must pay Holdings under Section 4.2(a) an
amount equal to the value of such NOL.

     Example 6. In 2004, TODCO has $100x of gross income from sources outside the United States,
and pays $35x of Foreign Income Taxes. TODCO also has $100 of gross income from sources within the
United States and a $100 deduction from sources outside the United States. TODCO has no other
expenses or deductions in 2004, but has available a $100x NOL carryforward from 2002. TODCO elects
(or Holdings causes TODCO to elect) to credit, rather than deduct, Foreign Income Taxes paid in
2004. TODCO’s foreign tax credits are, however, subject to full limitation, NOT solely because of
the existence of the 2002 NOL, but also because of the $100 deduction from sources outside the
United States. The following reflects TODCO’s 2004 liability for Taxes with and without regard to
the 2002 NOL:

	 	 	 	 	 	 	 	 	 
	 	 	Actual Return	 	Hypothetical Return
	 	 	with 2002 NOL	 	without 2002 NOL
	Gross Income (US Source)
	 	 	100	x	 	 	100	x
	Gross Income (Foreign Source)
	 	 	100	x	 	 	100	x
	Deductions (US Source)
	 	 	-0-	 	 	 	-0-	 
	Deductions (Foreign Source)
	 	 	100	x	 	 	100	x
	2002 NOL
	 	 	100	x	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Pre-Credit Tax Liability
	 	 	-0-	 	 	 	35	x
	Credits
	 	 	-0-	 	 	 	-0-	 
	 
	 	 	 	 	 	 	 	 
	Income Tax Liability
	 	 	-0-	 	 	 	35	x

     Pursuant to Section 4.2(b)(i), the 2002 NOL is treated as a Pre-IPO Tax Asset. Because the
2002 NOL has the effect of reducing Taxes for which TODCO is liable pursuant to Section 2 (without
regard to the 2004 foreign tax credits), TODCO must pay

-39-

 

Holdings pursuant to Section 4.2(a) an amount equal to the value of the 2002 NOL. Pursuant to
4.2(c), the value of the 2002 NOL is $35x (viz., 35% x $100x), reduced by the value of the foreign
tax credits that could have been used to similarly reduce TODCO’s Taxes, but for the existence of
the 2002 NOL. Because the foreign tax credits could not have been used even without the existence
of the 2002 NOL, there is no reduction in the value of the 2002 NOL. Accordingly, there is a $35
payment obligation by TODCO to Holdings. The foreign tax credits continue to be a Post-IPO Tax
Asset.

     Example 7. As of January 30, 2006, TODCO and its Subsidiaries, collectively, have the
following Tax Assets:

	 	•	 	a $1,000x NOL carryforward from 2002,
	 
	 	•	 	a $100x foreign tax credit carryforward from 2002, and
	 
	 	•	 	a $100x foreign tax credit carryforward from 2004 that is treated as a
Pre-IPO Tax Asset by reason of Section 4.2(b)(iv) with a value of $80x pursuant to
Section 4.2(c)(iii).

     On January 31, 2006, TODCO disposes of 30% of the stock of one its Subsidiaries (“Subsidiary
A”). As a result of such disposition, Subsidiary A immediately thereafter ceases to join in the
filing of a Federal Income Tax Return that is filed on a consolidated basis by TODCO and its
eligible Subsidiaries (the “Deconsolidation”). Under the relevant Tax Law, Subsidiary A will be
allowed to carry forward and deduct or credit, as applicable, on a Tax Return filed with respect to
a Tax Year, or portion thereof, beginning after the day of Deconsolidation the following Tax
Assets: (1) $200x of the 2002 NOL carryforward, (2) $20x of the 2002 foreign tax credit
carryforward, and (3) $20x of the 2004 foreign tax credit carryforward. On May 31, 2006, 51% of
the TODCO stock is acquired by a corporation unrelated to Holdings.

     As a result of the Deconsolidation, the TODCO Tax Group will, pursuant to Section 4.2(g), be
deemed to have used those Tax Assets attributable to Subsidiary A: (1) $200x of the 2002 NOL
carryforward, (2) $20x of the 2002 foreign tax credit carryforward, and (3) $20x of the 2004
foreign tax credit carryforward. The value of these deemed used Tax Assets is determined as
follows:

	 	•	 	The value of $200x of the 2002 NOL carryforward will equal $70x (viz., 35% x
$200), pursuant to Section 4.2(c)(i) and the penultimate sentence of Section 4.2(g).
	 
	 	•	 	The value of $20x of the 2002 foreign tax credit carryforward will equal $7x
(viz., 35% x $20), pursuant to Section 4.2(c)(i) and the last sentence of Section 4.2(g).
	 
	 	•	 	The value of $20x of the 2004 foreign tax credit carryforward will equal $16x
(viz., 20/100 x $80x), pursuant to Section 4.2(c)(iii) and the penultimate sentence of
Section 4.2(g).

-40-

 

     The Applicable Discount Rate for 2006 is 0.70. Accordingly, TODCO will be obligated to pay
Holdings $65.1x (viz., ($70x + $7x + $16x) x 0.70), pursuant to Sections 4.2(a) and (g). Such
payment will be due 30 days after January 30, 2006, pursuant to Section 5.2(c)(iii). This payment
is due without regard to whether any member of the TODCO Tax Group actually uses such Tax Assets.

     As a result of the acquisition of 51% of the stock of TODCO by a corporation unrelated to
Holdings, the remaining members of the TODCO Tax Group will, pursuant to Section 4.2(f), be deemed
to have used: (1) the remaining $800x of the 2002 NOL carryforward, (2) the remaining $80x of the
2002 foreign tax credit carryforward, and (3) the remaining $80x of the 2004 foreign tax credit
carryforward. Pursuant to Section 4.2(h)(i), TODCO will not be deemed to have again used the
Pre-IPO Tax Assets deemed used on January 30, 2006 pursuant to Section 4.2(g). The value of these
deemed used Tax Assets is determined as follows:

	 	•	 	The value of the remaining $800x of the 2002 NOL carryforward will equal $280x
(viz., 35% x $800), pursuant to Section 4.2(c)(i) and the penultimate sentence of Section
4.2(f).
	 
	 	•	 	The value of the remaining $80x of the 2002 foreign tax credit carryforward
will equal $28x (viz., 35% x $80), pursuant to Section 4.2(c)(i) and the last sentence of
Section 4.2(f).
	 
	 	•	 	The value of the remaining $80x of the 2004 foreign tax credit carryforward
will equal $64x (viz., 80/100 x $80x), pursuant to Section 4.2(c)(iii) and the penultimate
sentence of Section 4.2(g).

     The Applicable Discount Rate for 2006 is 0.70. Accordingly, TODCO will be obligated to pay
Holdings $260.4x (viz., ($280x + $28x + $64x) x 0.70), pursuant to Sections 4.2(a) and (f). Such
payment will be due 30 days after May 30, 2006, pursuant to Section 5.2(c)(iii). This payment is
due without regard to whether any member of the TODCO Tax Group actually uses such Tax Assets.

     Example 8. In 2007, TODCO utilizes Louisiana net operating losses of $100x that were carried
forward from the 2000 Tax Year. Assume the highest statutory corporate income tax rate in
Louisiana for 2007 is 8%.

     Pursuant to Section 4.2(b)(i), the 2000 Louisiana net operating losses are treated as Pre-IPO
Tax Assets. Pursuant to Section 4.2(c)(i), the value of these Pre-IPO Tax Assets is $8x (viz,
$100x x 8%, the highest statutory tax rate applicable under Louisiana law). However, pursuant to
Section 4.2(h)(iv), this value is reduced by $2.8x (viz., $8x x 35%, the highest statutory tax rate
applicable under Section 11 of the Code).

     Accordingly, the value of the $100x of Tax Year 2000 Louisiana net operating losses utilized
in Tax Year 2007 is $5.2x and results in a payment obligation of such amount by TODCO to Holdings:

-41-

 

	 	 	 	 	 
	Pre-IPO Tax Asset Utilized
	 	 	100	x
	Multiplied by Section 4.2(c)(i) tax rate
	 	 	8	%
	 
	 	 	 	 
	Section 4.2(c)(i) Value
	 	 	8	x
	 
	 	 	 	 
	Section 4.2(h)(5) reduction ($8x x 35%)
	 	 	(2.8	x)
	 
	 	 	 	 
	Payment Obligation by TODCO to Holdings
	 	 	5.2	x

     Example 9. In 2007, Transocean stock options described in Section 4.4 are exercised which
result in tax deductions of $20x for TODCO. Assume TODCO has taxable income for 2007 of $200x,
before considering any deductions for Transocean stock options described in Section 4.4 or
utilization of any net operating loss or other carryovers.

     Pursuant to Section 4.4, TODCO has a payment obligation to Holdings with respect to such stock
option exercises equal to $3.85x, as detailed below.

	 	 	 	 	 
	Section 4.4 Stock Option Deduction
	 	 	20	x
	Multiplied by Section 4.4 Pre-IPO Tax Asset Percentage
	 	 	55	%
	 
	 	 	 	 
	Amount Treated as a Section 4.2 Pre-IPO Tax Asset
	 	 	11	x
	 
	 	 	 	 
	Multiplied by Section 4.2(c)(i) Highest Statutory Tax Rate
	 	 	35	%
	 
	 	 	 	 
	Section 4.2(c)(i) Value
	 	 	3.85	x

     Example 10. Assume the stock option deductions in Example 9 result in payroll Taxes described
in Section 2.5(f) of $1.0x. Pursuant to Section 2.5(f), funding of payroll Taxes is an obligation
of Holdings. However, Holdings’s payment of this payroll Tax results in a Tax deduction to TODCO
equal to $1.0x. Pursuant to Section 4.4, TODCO has an additional payment obligation to Holdings
equal to the product of 55% (Section 4.4 Pre-IPO Tax Asset percentage) x $1.0x (payroll deduction)
x 35% (the highest statutory tax rate under Code Section 11). TODCO thus has an additional payment
obligation to Holdings of $0.1925x. Pursuant to Sections 3.2(a) and (b)(i), Holdings or another
Transocean affiliate will issue the applicable IRS Forms W-2 or 1099 to the persons exercising the
stock options.

     Example 11. Assume the same facts as in Example 9, except that TODCO has a net loss of $80x
for Tax Year 2007 before considering any deductions for Transocean stock options described in
Section 4.4 or utilization of any net operating loss or other carryovers. Thus, TODCO has a total
net operating loss for the year of $100x after taking into account the Section 4.4 stock option
deductions of $20x.

-42-

 

     The same $11x of stock options deductions is treated as a Pre-IPO Tax Asset (and the value
remains at $3.85x), but the payment obligation by TODCO to Holdings is deferred until actual use.
The remaining $89x of TODCO’s 2007 net loss is a Post-IPO Tax Asset.

     Example 12. Assume the same facts as in Example 11. Also assume that TODCO generates taxable
income in 2008, 2009 and 2010 as detailed below. Further assume that there are no other Post-IPO
Tax Assets or Section 4.4 stock option deductions in these years, but that there are Pre-IPO net
operating losses as outlined below. Lastly, assume that there are no Code Section 382 limitations
for any year nor any other Pre-IPO Tax Assets other than the net operating loss carryovers listed
below.

	 	 	 	 	 	 	 	 	 	 	 	 	 
	Pre-IPO Net Operating Losses:	 	 	Taxable Income in Post-IPO Years
	Year	 	 	Amount	 	 	 	Year	 	 	 	Amount	 
	2000
	 	 	100x	 	 	 	2008	 	 	 	300x	 
	2001
	 	 	150x	 	 	 	2009	 	 	 	200x	 
	2002
	 	 	200x	 	 	 	2010	 	 	 	300x	 
	2003
	 	 	150x	 	 	 	 	 	 	 	 	 
	 
	 	 	 
	 	 	 	 	 	 	 	 	 
	Total
	 	 	600x	 	 	 	 	 	 	 	 	 

     For Tax Year 2008, TODCO utilizes on its Tax Return $300x of Pre-IPO net operating loss
carryovers: $100x from Tax Year 2000, $150x from Tax Year 2001, and $50x from Tax Year 2002.

     Pursuant to Section 4.2(c), the value of the Pre-IPO net operating losses utilized in Tax Year
2008 is as follows:

	 	 	 	 	 
	Pre-IPO Net Operating Losses Utilized
	 	 	300	x
	Multiplied by Section 4.2(c)(i) Highest Statutory Tax Rate
	 	 	35	%
	 
	 	 	 	 
	Preliminary Value
	 	 	105	x
	 
	 	 	 	 
	Section 4.2(c)(iii) Reduction ($89x x 35%)
	 	 	(31.15	x)
	 
	 	 	 	 
	TODCO payment obligation to Holdings
	 	 	73.85	x

     Pursuant to Section 4.2(b)(iv), $89x of the 2007 net operating loss is treated as a Pre-IPO
Tax Asset for 2009 and later years.

     For Tax Year 2009, TODCO utilizes on its Tax Return $200x of Pre-IPO net operating loss
carryovers: $150x from Tax Year 2002 and $50x from Tax Year 2003.

     Pursuant to Section 4.2(c), the value of the Pre-IPO net operating losses utilized in Tax Year
2009 is as follows:

-43-

 

	 	 	 	 	 
	Pre-IPO Net Operating Losses Utilized
	 	 	200	x
	Multiplied by Section 4.2(c)(i) Highest Statutory Tax Rate
	 	 	35	%
	 
	 	 	 	 
	TODCO payment obligation to Holdings
	 	 	70	x

     For Tax Year 2010, TODCO utilizes on its Tax Return $100x of Pre-IPO net operating loss
carryovers from 2003. TODCO also utilizes $100x of net operating loss carryovers from Tax Year
2007, $89x of which is treated as a Pre-IPO Tax Assets pursuant to Section 4.2(b)(iv). The
remaining $11 million of the net operating loss carryover from Tax Year 2007 is treated as a
Pre-IPO Tax Asset pursuant to Section 4.4.

     TODCO’s payment obligation to Holdings for Tax Year 2010 is computed as follows:

	 	 	 	 	 
	2003 Net Operating Loss Utilized
	 	 	100	x
	2007 Net Operating Loss Utilized
	 	 	89	x
	Section 4.4 Pre-IPO Tax Asset
	 	 	11	x
	 
	 	 	 	 
	Total Pre-IPO Tax Asset Usage
	 	 	200	x
	Multiplied by Section 4.2(c)(i) Highest Statutory Tax Rate
	 	 	35	%
	 
	 	 	 	 
	TODCO payment obligation to Holdings
	 	 	70	x

     Example 13. Assume the same facts as in example 12 except that, on December 31, 2008, 51% of
the TODCO stock is acquired by a corporation unrelated to Holdings. Pursuant to Section 4.2(f),
TODCO has a payment obligation to Holdings with respect to the following Pre-IPO Tax Assets:

	 	 	 	 	 
	2002 Net Operating Loss
	 	 	150	x
	2003 Net Operating Loss
	 	 	150	x
	2007 Net Operating Loss
	 	 	89	x
	 
	 	 	 	 
	Total Pre-IPO Tax Asset
	 	 	389	x
	Multiplied by Section 4.2(c)(i) Highest Statutory Tax Rate
	 	 	35	%
	 
	 	 	 	 
	Value of Unutilized Pre-IPO Tax Assets
	 	 	136.15	x
	Multiplied by Applicable Discount Rate
	 	 	0.80	 
	 
	 	 	 	 
	TODCO payment obligation to Holdings
	 	 	108.92	x

     The $11x of Section 4.4 Pre-IPO Tax Assets are not subject to the Section 4.2(f) change of
control payment or the Section 4.2(g) deconsolidation payment. However, this amount does remain
subject, following the change of control, to the general payment provisions of Sections 4.2 and 5
based upon actual use. Additionally, any Transocean

-44-

 

stock options exercised after the change of control which are subject to Section 4.4 remain
subject to the payment obligation outlined in Sections 4.2 and 5 based upon actual use.

     Example 14. At the beginning of Tax Year 2009, there remains $100 million in unutilized
Pre-IPO Tax Assets. For Tax Year 2009, TODCO utilizes $97 million in Pre-IPO Tax Assets, leaving
$3 million in unutilized Pre-IPO Tax Assets at December 31, 2009. Pursuant to Section 3.2(b)(ii),
because the unutilized Pre-IPO Tax Assets exceeded $5 million at some time during 2009, Holdings
retains the rights specified in Section 3.2(b)(ii) with respect to TODCO’s Tax Returns for 2009.

-45-

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