Document:

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                                                                   EXHIBIT 10.39

                                  ATTACHMENT I

     MODIFICATIONS TO SECOND AMENDED JOINT CHAPTER 11 PLAN OF REORGANIZATION
           OF WILLIAMS COMMUNICATIONS GROUP, INC. AND CG AUSTRIA, INC.

Section 1.1 Definitions.

         (24)     "Class 5/6 Channeled Actions" means all Causes of Action of
                  holders of Allowed Class 5 Senior Redeemable Notes Claims and
                  Allowed Class 6 Other Unsecured Claims, acting in such
                  capacity, against a TWC Released Party or a WCG Indemnitee
                  (except for Causes of Action to enforce any obligation of a
                  TWC Released Party or WCG Indemnitee under the Plan, a Plan
                  Document, or the TWC Settlement Agreement) that is based in
                  whole or in part on any act, omission, event, condition, or
                  thing in existence or that occurred in whole or in part prior
                  to the Effective Date.

         (85)     "Residual Assets" means, with the exception of any (i) Assets
                  necessary for the operation of the business of New WCG and its
                  subsidiaries, including all cash and cash equivalents and
                  amounts maintained in securities accounts by old WCG on the
                  Effective Date less the amount required to satisfy all
                  Administrative Claims and (ii) Causes of Action against or
                  equity interests in any Affiliate, any and all assets of WCG,
                  including, but not limited to, any and all Causes of Action
                  against any Person other than an Affiliate.

         (96)     "SBC Consent" means the consent by SBC, pursuant to the SBC
                  Stipulation, to (a) the transactions contemplated by the
                  Leucadia Investment Agreement and the Leucadia Claims Purchase
                  Agreement; (b) the transactions contemplated by the Plan: and
                  (c) the Spin-Off.

         (97)     "SBC Stipulation" means that certain Stipulation, dated
                  September 23, 2002, by and between SBC Leucadia, and the
                  Debtors.

         (100)    "Securities Holder" means any current or former holder of
                  security issued by a WCG Entity without limitation, Equity
                  Interests and/or Senior Redeemable Notes) acting in such
                  capacity, provided, however, that "Securities Holder" shall
                  not include of a holder an Allowed Claim in Class 5 or 6 under
                  the Plan, acting in such capacity.

         (101)    "Securities Holder Channeled Action" means any Cause of Action
                  (i) of a Securities Holder against a WCG Indemnitee that is
                  based in whole or in part on any act, omission, event,
                  condition, or thing in existence or that occurred in whole or
                  in past prior to the Effective Date or (ii) of any Person for
                  contribution, reimbursement, or indemnity from old WCG, New
                  WCC, or a WCG Indemnitee, relating to a Cause of Action of a
                  Securities Holder, and that in not otherwise discharged,
                  satisfied, released, exculpated, or otherwise provided for in
                  or by the Plan or the Confirmation Order.

         (102)    "Securities Holder Channeling Fund" means (a) the right to
                  receive 2% of the New WCG Common Stock (on a fully-diluted
                  basis), to the extent that holders of Securities Holder
                  Channeled Actions become entitled to receive such stock
                  pursuant to the Securities Holder Channeling Fund Distribution
                  Procedures; and/or (b) any recoveries that can be obtained
                  from officer/director liability insurance policies of the
                  Company or insurance carriers that cover officers and
                  directors of the Company or the Company's obligation to
                  indemnify its officers and directors.

         (131)    "WCG Indemnitee" means any Affiliate and each of the present
                  and former directors, managers, officers, employees, agents,
                  and attorneys, of a WCG Entity acting in such capacity,
                  excluding Persons who serve or served as officers of SBC to
                  the extent such Persons possessed

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                  conflicts of interest with respect to the WCG Entities while
                  acting as directors of WCG in connection with the Spin-Off,
                  provided, however, that upon written notification by SBC that
                  the conditions to effectiveness contained in paragraph 14 of
                  the SBC Stipulation have been satisfied or waived, then such
                  officers of SBC shall be deemed to be WCG Indemnitees.

SECTION 2.2 TREATMENT OF ADMINISTRATIVE CLAIMS.

                       (a) Time for Filing Administrative Claims. Except with
         respect to (i) a Fee Claim, (ii) an Adequate Protection Claim, (iii) a
         TWC Continuing Contract Claim, (iv) a liability incurred and paid in
         the ordinary course of business by a Debtor, or (v) an Administrative
         Claim that has been allowed on or before the Effective Date, within ten
         (10) days after service of notice of entry of the Confirmation Order,
         the holder of an Administrative Claim must file with the Bankruptcy
         Court and serve notice of such Administrative Claim upon counsel to the
         Debtors, the Administrative Agent, and the Committee, provided,
         however, that an Indenture Trustee seeking an Administrative Claim for
         Indenture Trustees Fees must file with the Bankruptcy Court within four
         (4) business days of entry of the Confirmation Order and serve notice
         of Administrative Claim being for Indenture Trustees Fees upon Counsel
         to the Debtors, the Administrative Agent and the Committee. Such notice
         must include at a minimum (1) the name of the holder of the Claim, (2)
         the amount of the Claim, and (3) the basis of the Claim. Failure to
         file this notice timely and properly shall result in the Administrative
         Claim being forever barred and discharged.

                       (c) Allowance of Administrative Claims. An Administrative
         Claim with respect to which notice has been properly filed pursuant to
         Section 2.2(a) herein shall become an Allowed Administrative Claim if
         no objection is filed within thirty (30) days after the deadline for
         filing and serving a notice of such Administrative Claim specified in
         Section 2.2(a) herein, or such later date as may be approved by the
         Bankruptcy Court on motion of a Debtor. An Administrative Claim for
         Indenture Trustees Fees with respect to which notice has been properly
         filed pursuant to Section 2.2(a) herein shall become an Allowed
         Administrative Claim for Allowed Indenture Trustees Fees if no
         objection is filed within four (4) business days after the deadline for
         filing and serving a notice of such Administrative Claim for Indenture
         Trustees Fees specified in Section 2.2(a) herein. If an objection is
         filed within such thirty-day period (or any extension thereof), or four
         business day period in the case of an Administrative Claim for
         Indenture Trustees Fees, the Administrative Claim shall become an
         Allowed Administrative Claim only to the extent allowed by Final Order
         or as agreed to by a Debtor after consultation with the other
         Proponents and the Administrative Agent. An Administrative Claim that
         is a Fee Claim, and with respect to which a Fee Application has been
         properly filed pursuant to Section 2.2(b) herein, shall become an
         Allowed Administrative Claim only to the extent allowed by Final Order.
         An Administrative Claim as to which no notice need be filed as set
         forth in Section 2.2(a)(iii), (iv) or (v) shall be an Allowed
         Administrative Claim on the Effective Date.

SECTION 3.3 CHANNELING INJUNCTION.

         Pursuant to the TWC Settlement Agreement, the Confirmation Order shall
contain an injunction (the "Channeling Injunction") (1) providing that (A) all
Class 5/6 Channeled Actions shall be shall be channeled to and fully and
completely satisfied as a result of the TWC Contributed Distribution and the
other consideration provided by the TWC Entities under the TWC Settlement
Agreement; and (B) all Securities Holder Channeled Actions shall be channeled to
and fully and completely satisfied from the Securities Holder Channeling Fund;
and (ii) enjoining (except as may be required for recovery from officer/director
insurance policies or officer/director insurance carriers of a WCG Entity, and
without prejudice to the power or jurisdiction of any court, forum, or tribunal
to issue an order judgement, or determination of liability necessary to mandate
such coverage) the holders of Class 5/6 Channeled Actions and Securities Holder
Channeled Actions from:

             (a)  commencing, conducting, or continuing in any manner, directly
                  or indirectly, any suit, action or other proceeding of any
                  kind against a TWC Settlement Releasee or its direct or
                  indirect successor in interest (including, without limitation,
                  all suits, actions, and proceedings that are pending as of

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                  the Effective Date, which must be withdrawn or dismissed with
                  prejudice) except as may be necessary to access the Securities
                  Holder Channeling Fund, provided, however, the foregoing shall
                  not affect or enjoin a Securities Holder (acting in such
                  capacity) from commencing, conducting, or continuing any suit,
                  action or other proceeding of any kind against a TWC Released
                  Party;

             (b)  enforcing, levying, attaching, collecting or otherwise
                  recovering by any manner or means whether directly or
                  indirectly any judgment, award, decree or order against a TWC
                  Settlement Releasee or its assets or property, or its direct
                  or indirect successor in interest, or any assets or property
                  of such transferee or successor, provided, however, the
                  foregoing shall not affect or enjoin a Securities Holder
                  (acting in such capacity) from enforcing, levying, attaching,
                  collecting or otherwise recovering any judgment, award, decree
                  or order against a TWC Released Party;

             (c)  creating, perfecting or otherwise enforcing in any manner,
                  directly or indirectly, any lien against a TWC Settlement
                  Releasee or its assets or property, or its direct or indirect
                  successors in interest, or any assets or property of such
                  transferee or successor, provided. however, the foregoing
                  shall not affect or enjoin a Securities Holder (acting in such
                  capacity) from creating, perfecting  or otherwise enforcing
                  any lien against a TWC Released Party;

             (d)  asserting any set-off, right of subrogation or recoupment of
                  any kind, directly or indirectly against any obligation due a
                  TWC Settlement Releasee or its assets or property, or its
                  direct or indirect successors in interest, or any assets or
                  property of such transferee or successor, provided, however,
                  the foregoing shall not affect or enjoin a Securities Holder
                  (acting in such capacity) from asserting, any set-off, right
                  of subrogation or recoupment of any kind against any
                  obligation due a TWC Released Party; and

SECTION 4.2 CONDITIONS PRECEDENT TO THE OCCURRENCE OF THE EFFECTIVE DATE.

             (b)  all material statutory, regulatory or other consents,
         authorizations, and approvals, including, without limitation (i) all
         special temporary authority for the consents, authorizations, and/or
         approvals required to be granted by the Federal Communications
         Commission ("FCC") to effectuate the transfer of control of WCL's
         licenses, without material modifications from their current form, to
         New WCG; (ii) the SBC Authorization and (iii) consents and
         authorizations under the WCL Credit Documents, the Restated Credit
         Documents and each Plan Document, shall have been given or waived for
         the transfers and transactions described in the Plan, including,
         without limitation, the transfers of property and the payments
         described in the Plan, as applicable;

         (f) (intentionally omitted)

         (g) (intentionally omitted)

SECTION 4.3 WAIVER OF CONDITIONS.

                  (b) Leucadia, in its sole discretion, may waive, in whole or
         in part, the conditions precedent to the occurrence of The Effective
         Date of the Plan described in Sections 4.2(b)(i).

                  (c) The Debtors, with the consent of the Proponents and the
         Administrative Agent, may waive the conditions to the occurrence of the
         Effective Date described in Section 4.2(e).

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SECTION 4.4 EFFECTS OF CONFIRMATION.

         (j) Exculpation.

                  (i) Except to the extent such would violate any applicable
         professional disciplinary rules, including DR 6-102 of the Code of
         Professional Conduct, from and after the Effective Date, neither the
         Debtors, their Affiliates, the Administrative Agent, the Lenders, the
         Committee, Leucadia, the TWC Entities, nor any of their respective
         directors, officers, employees, members, attorneys, consultants,
         advisors, and agents (acting in such capacity), shall have or incur any
         liability to any Person for any act taken or omitted to be taken in
         connection with the Debtors' restructuring, including the formulation,
         preparation, dissemination, implementation, confirmation or approval of
         the Restructuring Agreement, the TWC Plan Support Agreement, the TWC
         Settlement Agreement, the Plan, the Plan Documents, the Disclosure
         Statement, or any contract, instrument, release or other agreement or
         document provided for or contemplated in connection with the
         consummation of the transactions set forth in the Plan; provided,
         however, that the foregoing provisions shall not affect the liability
         of any Person that otherwise would result from any such act or omission
         to the extent that act or omission is determined in a Final Order to
         have constituted gross negligence, willful misconduct, breach of
         fiduciary duty in bad faith or breach of fiduciary duty for personal
         profit. Any of the foregoing parties in all respects shall be entitled
         to rely upon the advice of counsel with respect to their duties and
         responsibilities under the Plan.

                  (ii) From and after the Effective Date, the Indenture Trustees
         and their agents, attorneys, and advisors shall be exculpated by all
         Persons and entities, including, without limitation, all holders of
         Senior Reset Note Claims and Senior Redeemable Notes Claims and other
         parties in interest, from any and all claims, causes of action, and
         other assertions of liability in connection with the Debtors'
         restructuring arising out of the discharge of the powers and duties
         conferred upon such Indenture Trustees by the Senior Reset Note
         Indenture, the Senior Redeemable Notes indenture or the Plan or any
         order of the Bankruptcy Court entered pursuant to or in furtherance of
         the Plan, or applicable law, except for actions or omissions to act
         arising out of the gross negligence or willful misconduct of the
         Indenture Trustees. No holder of a Senior Reset Note Claim and Senior
         Redeemable Notes Claim or other party in interest shall have or pursue
         any claim or cause of action against the Indenture Trustees and their
         agents, attorneys and advisors for making distributions in accordance
         with this Plan or for implementing the provisions of this Plan. extent
         for actions or omission to act of Indenture Trustees arising out of its
         gross negligence, willful misconduct, or breach of a fiduciary duty
         (other than from ordinary negligence) that results in personal profit
         or harm to the Estates and their creditors.

         (k) Release By Holders. As of the Effective Date, each holder of a
         Senior Reset Note Claim and Senior Redeemable Notes Claim to the
         fullest extent permissible under applicable law, as such law may be
         extended or interpreted subsequent to the Effective Date, shall be
         deemed to forever release, waive, and discharge all claims,
         obligations, suits, judgments, damages, demands, debts, rights, causes
         of action, and liabilities, whether liquidated or unliquidated fixed or
         contingent, matured or unmatured, known or unknown, foreseen or
         unforeseen, or then existing or thereafter arising in law, equity or
         otherwise, that against the Indenture Trustees or their agents,
         attorneys, and advisors, that are based in whole or in part on any act
         taken or omitted to be taken in connection with the Debtors'
         restructuring, except for actions or omissions to act of an Indenture
         Trustee arising out of its gross negligence, willful misconduct, or
         breach of a fiduciary duty (other than from ordinary negligence) that
         results in personal profit or harm to the Estates and creditors.

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         This release, waiver and discharge will be in addition to the discharge
         of claims and termination of interests provided herein and under the
         Confirmation Order and the Bankruptcy Code (other than from ordinary
         negligence.)

         (m) Lender Releases. As of the Effective Date, their Proponents. The
         Estates, every holder of a Claim or Equity Interest, and the TWC
         Entities, forever release, waive and discharge the Released Lender
         Parties (and the Released Lender Parties forever release, waive and
         discharge the Proponents and the TWC Settlement Releases) from all
         claims (as such term is defined in Section 101(5) of the Bankruptcy
         Code), obligations, suits, judgments, damages, demands, debts, rights,
         causes of action, liabilities, rights of contribution, and rights of
         indemnification, whether liquidated or unliquidated, fixed or
         contingent, matured or unmatured, known or unknown, foreseen or
         unforeseen, then existing or thereafter arising, in law, equity, or
         otherwise, that are based in whole or in part on any act, omission,
         transaction, or other occurrence taking place on, or prior to, the
         Effective Date in any way relating to the Debtors and their business
         affairs (including, without limitation, any extensions of credit or
         other financial services or accommodations made or not made to the
         Debtors and affiliates prior to the Effective Date), the Chapter 11
         Cases, the Plan, the WCG Credit Agreement, the WCL Credit Documents,
         and the Restructuring Agreement and all documents and instruments
         relating to any of the foregoing. The Confirmation Order shall
         specifically provide for the foregoing releases and shall enjoin the
         prosecution of any such released claim, causes of action, or liability.

SECTION 5.2 GOVERNANCE.

         (a) SELECTION OF DIRECTORS AND OFFICERS OF NEW WCG

                  (i) Immediately following the Effective Date, the initial
         board of directors of New WCG shall be composed of nine individuals,
         consisting of the Chief Executive Officer of WCG, the following four
         individuals selected by Leucadia (the "Leucadia Directors") Ian M.
         Cumming, Joseph S. Steinberg, Jeffrey C. Keil and Alan J. Hirschfield
         and the following four individuals to be selected by the Committee (the
         "Committee Independent Directors") John Patrick Collins, William H.
         Cunningham, Michael Diament, and Michael P. Ressner.

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                  (ii) The Committee Independent Directors and two of the
         Leucadia Directors must (A) be independent of New WCG within the
         meaning of the rules of the New York Stock Exchange or, if New WCG is
         listed or traded on another stock exchange, the stock exchange on which
         New WCG's securities are listed or traded, and the applicable rules of
         the SEC; (B) be independent of Leucadia; and, (C) not be an officer or
         employee of New WCG or any of its affiliates.

                  (iii) An individual is not independent of Leucadia if he or
         she (A) is not "independent" of Leucadia within the meaning of the
         rules of the New York Stock Exchange or the SEC; (B) is an affiliate or
         an officer, director, or employee of Leucadia; (C) is a beneficial
         owner of more than 10% of the voting power of Leucadia or,(D) has any
         relationship with Leucadia that would typically be required to be
         disclosed in a Leucadia proxy statement;

                  After the initial Board is selected, the terms and manner of
         selection of directors of New WCG shall be as provided in the New
         Bylaws and the New Charter and in accordance with the terms of
         the Stockholders Agreement.

                  Except as specifically set forth in the Stockholders
         Agreement, the Stockholders Agreement to be entered into between New
         WCG and Leucadia (the "Stockholders Agreement") shall not restrict or
         limit the ability of Leucadia to vote its securities in its sole
         discretion on all matters provided to the stockholders of New WCG for a
         vote at a stockholders meeting or pursuant to any written consent,
         except that, until the second anniversary of the Effective Date,
         Leucadia and its affiliates have agreed to vote their securities for
         the election of Committee Independent Directors as set forth in the
         Stockholders Agreement and otherwise subject to the terms and
         conditions thereof.

SECTION 5.4 EFFECTUATING DOCUMENTS.

                  On or before date of the commencement of the Confirmation
Hearing, the Debtors shall file with the Bankruptcy Court substantially final
forms of the agreements, instruments, and other documents that have been
identified herein as Plan Documents, which agreements, instruments, and
documents shall implement and be governed by the Plan. Entry of the Confirmation
Order shall authorize the officers of the Debtors and New WCG to execute, enter
into, and deliver all documents, instruments, and agreements, including but not
limited to the Plan Documents, and to take all actions necessary or appropriate
to implement the Plan including; but not limited to, filing with the Secretary
of State of the State of Nevada the New WCG Charter or any other document,
instrument, or agreement that may necessary or appropriate to ensure the valid
existence of New WCG on the Effective Date. To the extent the terms of any of
the Plan Documents conflict with the terms of the Plan, the Plan shall control.

SECTION 5.5 TRANSACTIONS ON THE EFFECTIVE DATE.

                  (a) the New Charter and New Bylaws shall be authorized,
         approved and effective in all respects without further action under
         applicable law, regulation, order, or rule including, without express
         or implied limitation, any action by the stockholders or directors of
         Old WCG or New WCG.

                  (b) each of the transactions that comprise the TWC Settlement
         shall occur or be implemented and shall become binding and effective in
         all respects, including, without limitation; (i) Leucadia shall make
         the New Investment pursuant to the Leucadia Investment Agreement; (ii)
         Leucadia shall purchase the TWC Assigned Claims pursuant to the
         Leucadia Claims Purchase Agreement; (iii) Leucadia shall receive from
         the Residual Trust the Leucadia Claims Distribution and from New WCG
         the Leucadia Investment Distribution; (iv) TWC shall contribute the TWC
         Contributed Distribution for the benefit of holders of Class 5/6
         Channeled Actions, (v) WHBC shall sell the Building Purchase Assets to
         WTC pursuant to the

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         Building Purchase Agreement; (vi) all of the Additional Settlement
         Transactions shall be consummated; and (vii) all of the releases
         contemplated by the TWC Settlement shall become binding and effective.

SECTION 7.1 SCOPE OF JURISDICTION.

                  (a) Resolve any cases, controversies, suits, or disputes that
         may arise in connection with the consummation, interpretation, or
         enforcement of the Plan, the TWC Settlement, the Declaration of Trust,
         the liquidation of the Residual Assets, the distribution of Available
         Proceeds, if any, the Securities Holder Channeling Fund the Securities
         Holder Channeling Funds Distribution Procedures (except without
         divesting the plenary jurisdiction of any court, forum or tribunal
         with respect to the adjudication or determination of any Securities
         Holder Channeled Action or action involving any claim by or on behalf
         of a Securities Holder to recover from officer/director insurance
         policies of a WCG entity or insurance carriers that cover officers and
         directors of a WCG entity and the winding-up of Old WCG or any Person's
         obligations incurred in connection therewith, or any other agreements
         governing, instruments evidencing, or documents relating to any of the
         foregoing, including the interpretation or enforcement of any rights,
         remedies, or obligations under any of the foregoing;

SECTION 8.3(b) MODIFICATIONS TO THE PLAN.

                  (b) After the entry of the Confirmation Order, the Debtors
         may, with the consent of each of the other Proponents, TWC, and the
         Administrative Agent (which consent shall not be unreasonably withheld)
         (i) amend or reconcile any inconsistency in the Plan in such manner as
         may be necessary to carry out the purpose and intent of the Plan, in
         accordance with the provisions of the Bankruptcy Code and Bankruptcy
         Rules or (ii) extend any period of time or deadline provided in the
         Plan in order to carry out the purpose and intent of the Plan.

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         Each Proponent of the Second Amended Joint Chapter 11 Plan of Williams
Communications Group, Inc. and CG Austria, Inc., dated August 12, 2002, hereby
agree and consent to the foregoing modifications.

                                         WILLIAMS COMMUNICATIONS GROUP, INC.

                                         /s/ Howard Janzen

                                         By:  Howard Janzen
                                         Its: President

                                         CG AUSTRIA,INC.

                                         /s/ Howard Janzen

                                         By:  Howard Janzen
                                         Its: President and CEO

                                         THE OFFICIAL COMMITTEE OF UNSECURED
                                         CREDITORS

                                         By:  Amalgamated Gadget, L.P.,
                                              as Investment Manager
                                         By:  Scepter Holdings, Inc.,
                                              General Partner

                                         /s/ David R. Gillespie

                                         By:  David R. Gillespie, CFO
                                         By:  R2 INVESTMENTS, LPC
                                         Its: Chairperson

                                         LEUCADIA NATIONAL CORPORATION

                                         /s/ Joseph A. Orlando

                                         By:  Joseph A. Orlando
                                         Its: Vice President and CFO

                                         THE WILLIAMS COMPANIES, INC.

                                         /s/ Jack D. McCarthy

                                         By:  Jack D. McCarthy
                                         Its: Senior Vice President
                                              and Chief Financial Officer<PAGE>
                                                                   EXHIBIT 10.40

                                                                  EXECUTION COPY

                              SETTLEMENT AGREEMENT

         This Settlement Agreement (the "Agreement") is entered into as of July
26, 2002, by and among The Williams Companies Inc. ("TWC", and, collectively
with its direct and indirect subsidiaries, the "TWC Entities"); Williams
Communications Group, Inc. ("WCG" and, collectively with its direct and indirect
subsidiaries, the "Company" or the "WCG Entities") and CG Austria, Inc. ("CG
Austria") each as a debtor and debtor in possession in cases commenced (the
"Chapter 11 Cases") under chapter 11 of title 11 of the United States Code (the
"Bankruptcy Code") in the United States Bankruptcy Court for the Southern
District of New York (the "Bankruptcy Court") the official committee of
unsecured creditors (the "Committee") appointed in the Chapter 11 Cases; and
Leucadia National Corporation ("Leucadia") (collectively, the "Parties").

         WHEREAS, WCG was initially incorporated as a wholly-owned subsidiary of
TWC;

         WHEREAS, in September 1999, WCG raised approximately $1.5 billion
through an initial public offering and certain private placements of WCG stock;

         WHEREAS, on April 23, 2001, TWC distributed to its shareholders
substantially all of its remaining WCG stock pursuant to a tax-free spin-off
(the "Spin-Off");

         WHEREAS, prior to the Spin-Off, WCG (i) issued certain unsecured senior
redeemable notes in the aggregate amount of $3 billion (the "Senior Redeemable
Notes"), approximately $2.45 billion of which is currently publicly held and
$550 million of which was acquired (and is currently held) by an indirect
wholly-owned subsidiary of WCG in September and October of 2001; (ii) guaranteed
the obligations of WCG's wholly-owned operating subsidiary and principal asset,
Williams Communications, LLC ("WCL"), under an Amended and Restated Credit
Agreement, dated as of September 8, 1999 (as subsequently amended and restated,
the "WCL Credit Agreement") (iii) issued a promissory note in the amount of $1.5
billion (the "Senior Reset Note") which was pledged to secure payment of $1.4
billion of notes that were issued by subsidiaries of WCG and guaranteed by TWC;
(iv) incurred obligations of approximately $120 million for various
administrative services that were provided by the TWC Entities prior to the
Spin-Off (the "Pre-Spin Services Claim") and (v) agreed to reimburse TWC for all
amounts paid by TWC in respect of WCL's $750 million lease of a portion of the
Company's fiber optic network (the "ADP Claim")

         WHEREAS, in September 2001, following the Spin-Off, TWC provided
additional financing to the Company in the form of a sale/leaseback transaction
(the "Sale/Leaseback") pursuant to which the Company (i) sold to TWC its
headquarters building (the "Headquarters Building"), related real estate, and
certain ancillary assets for approximately $276 million in cash, and (ii) agreed
to lease that property back from TWC for periods ranging from three to ten
years;

         WHEREAS, in the fourth quarter of 2001 and early 2002, as the financial
markets in general and the telecom market in particular experienced significant
deterioration, the Company began discussing a restructuring of its balance sheet
with the lenders (the "Lenders") under the WCL Credit Agreement with the goal of
reducing the overall leverage of the Company in order to enhance its financial
flexibility;

         WHEREAS, in late February, 2002, certain holders of the Senior
Redeemable Notes formed an informal committee ( the "Ad Hoc Committee"),
retained legal and financial advisors, and began negotiating with WCG for a
comprehensive restructuring of WCG's balance sheet. In addition, the Ad

<PAGE>

Hoc Committee's advisors commenced legal and financial diligence with respect to
both the Spin-Off and all other relationships and transactions between TWC and
the Company;

         WHEREAS, the Ad Hoc Committee had informed the Company that it was
essential that a chapter 11 case be commenced within one year of the Spin-Off in
order to preserve all defenses and claims with respect to the Spin-Off and the
claims that TWC was asserting against the Company;

         WHEREAS, the Lenders had asserted their right to set-off their debt
against WCG and WCL and such set-off against the Company's existing cash would
have threatened the future viability of the Company;

         WHEREAS, certain members of the Ad Hoc Committee had prepared an
involuntary chapter 11 filing against the Company in order to prevent the
asserted set-off;

         WHEREAS, all parties worked to negotiate the Restructuring Agreement in
order to prevent a set-off followed by extensive litigation or in the
alternative, an uncontrolled voluntary or involuntary chapter 11 case;

         WHEREAS, it was not until 8:30 p.m. (EDT) on April 22, 2002 that the
Restructuring Agreement was finalized and signed by sufficient parties for it to
become effective thus averting both the threatened set-off and the involuntary
bankruptcy filing and facilitating the voluntary chapter 11 process for WCG only
obviating the necessity for a much more complex WCL bankruptcy case;

         WHEREAS, following extensive negotiations among WCG, the Ad Hoc
Committee, and. the Lenders, those parties entered into a certain agreement
dated as of April 19, 2002 (the "Restructuring Agreement"), pursuant to which
the members of the Ad Hoc Committee and over 90% of the Lenders agreed to
support a chapter 11 plan for WCG that provided for (i) the conversion of all of
WCG's unsecured debt into the common stock of a reorganized WCG ("New WCG");
(ii) the prepayment of $450 million under the WCL Credit Agreement ($200 million
of which was paid upon execution of the Restructuring Agreement, $50 million of
which was paid on July 15, 2002, and $200 million of which must be paid as a
condition to consummation of WCG's chapter 11 plan) so that the Company's
obligations to the Lenders will be reduced to $525 million upon the completion
of the restructuring process; (iii) the continued operation of WCL outside of
bankruptcy, to minimize any negative impact of the Company's balance sheet
restructuring on WCL's customers, vendors, suppliers, employees, or the
communities in which WCL does business;

         WHEREAS, the Restructuring Agreement requires, among other things, that
(i) WCG obtain $150 million in new capital (the "New Investment") to supplement
the Company's cash resources upon emergence from chapter Il, and (ii) the
Debtors have consummated their chapter 11 plan by October 15, 2002;

         WHEREAS, on April 22, 2002, the Debtors commenced these chapter 11
cases for the purposes of restructuring their financial affairs on terms
consistent with the Restructuring Agreement;

         WHEREAS, as of the petition date, the Company's (i) secured
indebtedness consisted of approximately $775 million owed to the Lenders under
the WCL Credit Agreement and (ii) funded unsecured indebtedness owed to third
parties totaled approximately $5.5 billion, including (a) approximately $2.45
billion account of the Senior Redeemable Notes; (b) $1.5 billion owed under the
Senior Reset Note; (c) approximately $750 million owed with respect to the ADP
Claim; (d) approximately $120 million owed with respect to the Pre-Spin Services
Claim; (e) various unliquidated obligations owed to TWC arising from certain
post-Spin-Off arrangements between the Company and TWC; and (1) approximately
$275 million owed to TWC under the Sale/Leaseback;

<PAGE>

         WHEREAS on May 1, 2002, the Committee was appointed (and was comprised
of a majority of members who were former members of the Ad Hoc Committee) and
retained the same legal and financial advisors as had been utilized by the Ad
Hoc Committee;

         WHEREAS, TWC, on behalf of all of the TWC Entities, has asserted
various rights and claims against the Company, including, without limitation,
(i) not less than $2.3 billion in obligations owed by WCG as a consequence of
certain guarantees, services provided, and other financial accommodations,
including the Senior Reset Note, the ADP Claim, and Pre-Spin Services Claim; and
(ii) the right to act on defaults under the Sale/Leaseback that entitle TWC to
evict the Company from the Headquarters Building and repossess those premises
and other assets subject to the Sale/Leaseback

         WHEREAS, the Committee has asserted that the Company and its creditors
may have various claims against TWC, and rights, remedies, defenses, and offsets
with respect to the claims asserted by TWC, which, if successful, could result
in a recovery against TWC or the reduction, disallowance, subordination,
recharacterization, or elimination of some or all of TWC's claims;

         WHEREAS, the litigation of the disputes between and among the Company,
TWC, and the Committee would be complex and expensive and could delay or
otherwise impair the Debtors' ability to emerge from chapter 11 in a timely
fashion;

         WHEREAS, Leucadia is willing to provide $150 million in new equity
capital to satisfy the requirement that the New Investment be obtained and, as
more fully set forth in the Leucadia Claims Purchase Agreement (as such term is
hereinafter defined), to purchase certain of TWC's claims for a cash payment of
$180 million to TWC, so that upon WCG's emergence from chapter 11, (i) TWC will
forego the distribution of the stock of New WCG (the "New WCG Common Stock") to
which TWC otherwise would be entitled on account of its claims against WCG, and
will release all claims and causes of action against the WCG Entities and the
WCG Indemnitees (as such term is hereinafter defined), except those arising
under the Plan and this Agreement; (ii) Leucadia will own 45% of the New Common
Stock; and (iii) WCG's unsecured creditors (other than TWC) will own the
remaining 55% of the New Common Stock (with Leucadia and the unsecured
creditors' ownership shares subject to dilution from the issuance of additional
shares of up to 2% of the New WCG Common Stock to support a portion of a
channeling injunction contained in the Plan (as such term is hereinafter
defined));

         WHEREAS, Leucadia's willingness to make the New Investment and purchase
the TWC claims is conditioned on (i) the Parties' entry into, and the Bankruptcy
Court's approval of, this Agreement, which provides for the settlement of all
disputes between the Company, the Committee, and the TWC Entities, on the terms
and conditions set forth herein and in the related agreements annexed hereto and
made a part hereof; (ii) the implementation of the transactions contemplated
hereby (including the repurchase of the Headquarters Building and related assets
for $50 million in cash and a $100 million mortgage) and (iii) the confirmation
and consummation of the Plan, including the entry of a channeling injunction as
set forth herein;

         WHEREAS, the Parties wish to settle and compromise the disputes and
issues between and among them on the terms set forth herein in order to avoid
the expense, delay, uncertainty, and risks of litigation, and to enable the New
Investment to be consummated so that the Debtors can emerge successfully from
chapter 11;

         NOW THEREFORE, in consideration of the foregoing and other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the Parties, intending to be legally bound, hereby consent and
agree as follows:

<PAGE>
                  I. TWC Settlement Transactions. Upon the occurrence of the
Plan Effective Date, and subject to the satisfaction or waiver of all conditions
thereto and the consummation of each of the transactions contemplated hereby,
all disputes and issues between the WCG Entities and the TWC Entities shall be
settled and compromised as follows:

              (a) Treatment of the TWC Assigned Claims. The Causes of Action
                  arising under the Senior Reset Note, the ADP Claims, and the
                  Pre-Spin Services Claims (the "TWC Assigned Claims") shall be
                  treated as follows:

                  (i)   The TWC Assigned Claims shall be Allowed Claims that are
                        valid and enforceable against WCG in an aggregate amount
                        equal to $2.36 billion and not subject to any defense,
                        offset, reduction, objection, subordination,
                        recharacterization, or any other Cause of Action that
                        would reduce, delay, or impede any right of the holder
                        thereof to receive distributions tinder the Plan on the
                        Plan Effective Date;

                  (ii)  In accordance with the terms of the Leucadia Claims
                        Purchase Agreement, TWC shall sell, and Leucadia shall
                        purchase the TWC Assigned Claims in exchange for
                        Leucadia's payment to TWC of $180 million in Cash;

                  (iii) In respect of the TWC Assigned Claims, Leucadia shall
                        receive 24.55% of the New WCG Common Stock issued under
                        the Plan (subject to reduction to 23.55% by the issuance
                        of up to 2% of additional New WCG Common Stock to the
                        extent such stock is issued to holders of Liquidated
                        Securities Holder Claims from the Securities Holder
                        Channeling Fund pursuant to the Securities Holder
                        Channeling Fund Distribution Procedures) free and clear
                        of all liens, claims, encumbrances, and rights of any
                        third parties (the "Leucadia Claims Distribution") and

                  (iv)  Except for the distribution of the Leucadia Claims
                        Distribution to Leucadia, all other Causes of Action
                        against the WCG Entities and the WCG Indemnitees in
                        respect of the TWC Assigned Claims shall be deemed to be
                        waived, released, and discharged, and TWC shall forego
                        the TWC Contributed Distribution for the benefit of
                        general unsecured creditors of WCG under the Plan (i.e.,
                        the holders of Allowed Class 5 Senior Redeemable Notes
                        Claims and Allowed Class 6 Other Unsecured Claims).

              (b) The Building Purchase. In accordance with the Building
                  Purchase Agreement, WHBC shall transfer and convey the
                  Building Purchase Assets to WTC for (i) $50 million in Cash
                  (subject to an adjustment for certain unfunded obligations
                  owed by TWC as set forth in the Building Purchase Agreement),
                  and (ii) the execution and delivery of (A) a 10-year
                  promissory note made payable (with full recourse) by WTC and
                  New WCG (as co-makers) and guaranteed by WCL in the original
                  principal amount of $100 million (subject to reduction upon
                  certain Dispositions as provided in the Building Purchase
                  Agreement), with interest at the rate of 7% per annum and
                  principal to be amortized on the basis of a 30-year schedule,
                  such note to be in a form mutually agreed upon by the Debtors,
                  TWC, the Committee, and Leucadia (the "Building Purchase
                  Note") and (B) various documents, instruments, agreements and
                  mortgages granting to WHBC a first lien and security interest
                  in and to all Building Purchase Assets to secure payment of
                  the Building Purchase Note, all of which shall be in a form to
                  be mutually agreed upon by the Debtors, TWC, the Committee,
                  and Leucadia (the "Building Purchase Collateral Documents").
                  In connection with the closing of the Building Purchase
                  Agreement, the Lenders shall be granted a fully subordinated,
                  second priority lien on the Building Purchase Assets, the
                  terms of which shall be mutually agreed upon by the Debtors,

<PAGE>
                  TWC, Leucadia, the Committee and the Administrative Agent (the
                  "Lender Second Mortgage").

              (c) The TWC Continuing Contracts. The TWC Continuing Contracts and
                  all Causes of Action thereunder (the "TWC Continuing Contract
                  Claims") shall be treated as follows:

                  (i)   Pursuant to section 365 of the Bankruptcy Code, WCG
                        shall assume and assign to New WCG, and CG Austria shall
                        assume, each TWC Continuing Contract to which it is a
                        party;

                  (ii)  The applicable WCG Entities (other than WCG and CG
                        Austria) that are parties to any TWC Continuing Contract
                        shall reaffirm their obligations thereunder as of the
                        Plan Effective Date and, except as set forth in Section
                        1 (d)(iv) of this Agreement, all such obligations shall
                        be unaffected by the Chapter 11 Cases;

                  (iii) Any and all Causes of Action arising under the TWC
                        Continuing Contracts prior to the Plan Effective Date
                        shall be deemed to be satisfied, and all defaults
                        occurring prior to the Plan Effective Date, shall be
                        deemed to be cured, by the WCG Entities' payment in Cash
                        in full on the Plan Effective Date of the (A) amounts
                        set forth in Exhibit 6 hereto, if any, plus (B) any net
                        unpaid amounts that become due during the period from
                        June 30, 2002 through the Plan Effective Date; and

                  (iv)  The TWC Continuing Contracts shall be modified as
                        described in Exhibit 6 hereto.

              (d) Additional Settlement Transactions. The following additional
                  transactions shall occur:

                  (i)   The Tax Sharing Agreement, dated September 30, 1999, by
                        and between TWC and WCG, as amended and restated from
                        time to time, shall be cancelled and all Causes of
                        Action arising thereunder among the TWC Entities, on the
                        one hand, and the WCG Entities, on the other hand, shall
                        be forever waived, released, and discharged;

                  (ii)  WCG shall assume and assign to New WCG the agreement
                        attached hereto as Exhibit 7 setting forth the terms on
                        which TWC and New WCG (as successor to WCG) will
                        cooperate with each other regarding tax matters arising
                        on or prior to April 23, 2001 (the "Tax Cooperation
                        Agreement")

                  (iii) WCG shall assume and assign to New WCG the Trademark
                        License Agreement, dated April 23, 2001, by and between
                        TWC and WCG, providing that the rights of New WCG (as
                        successor to WCG) under the Trademark License Agreement
                        shall terminate on the second anniversary of the Plan
                        Effective Date (as amended by Exhibit 8 hereto, the
                        "License Amendment")

                  (iv)  WCG shall assume and assign to New WCG the agreement
                        attached hereto as Exhibit 9 under which TWC is
                        assigning its rights with respect to the "WilTel"
                        trademark (the "WilTel Assignment")

                  (v)   The Amended and Restated Indemnification Agreement,
                        dated April 23, 2001, by and between TWC and WCG, as
                        amended and restated from time to time, shall be
                        cancelled and all Causes of Action arising thereunder
                        among the TWC Entities, on the one hand, and the WCG
                        Entities, on the other hand, shall be forever waived,
                        released, and discharged;

                  (vi)  WCG shall assume and assign to New WCG the agreement
                        attached hereto as Exhibit 10 setting forth the terms on
                        which New WCG (as successor to WCG) shall indemnify TWC
                        with respect to certain outstanding guarantees issued by
                        TWC in respect of certain obligations of the WCG
                        Entities (the "Guaranty Indemnification Agreement") and

<PAGE>

                  (vii) WCG and/or New WCG, as applicable, shall execute and
                        deliver such consents and other documents or instruments
                        as shall be reasonably necessary to effect the
                        assignment of the Senior Reset Note to Leucadia as
                        contemplated by the Leucadia Claims Purchase Agreement.

              (e) Mutual Releases. The following releases shall be exchanged and
                  become binding and effective:

                  (i)   (A) Except for Causes of Action arising under this
                        Agreement, the TWC Continuing Contracts, the Plan, or
                        the Plan Documents, each TWC Released Party shall
                        forever waive, release, and discharge any and all Causes
                        of Action against any and all of the WCG Entities and
                        the WCG Indemnitees that are based in whole or in part
                        on any act, omission, event, condition, or thing in
                        existence or that occurred in whole or in part prior to
                        the Plan Effective Date, and (solely, with respect to
                        the WCG Indemnitees) arising out of or relating in any
                        way to a WCG indemnitee's relationship with, or
                        transactions involving a WCG Entity; and (B) TWC, on
                        behalf of itself and the other TWC Entities, (I)
                        represents that the TWC Entities have not sold,
                        conveyed, assigned, or in any other way transferred the
                        Causes of Action to be released in the immediately
                        preceding clause (l)(e)(i)(A); and (H) agrees that the
                        TWC Entities will not sell, convey, assign, or in any
                        other way transfer such Causes of Action prior to the
                        effectiveness of such releases.

                  (ii)  (A) Except for Causes of Action arising under this
                        Agreement, the TWC Continuing Contracts, the Plan, or
                        the Plan Documents, the Committee, each WCG Entity, and
                        each WCG Indemnitee shall forever waive, release, and
                        discharge any and all Causes of Action against any and
                        all TWC Released Parties that is based in whole or in
                        part on any act, omission, event, condition, or thing in
                        existence or that occurred in whole or in part prior to
                        the Plan Effective Date and arising out of or relating
                        in anyway to a WCG Entity or its present or former
                        assets, or a TWC Released Party's relationship with, or
                        transactions involving a WCG Entity or its present or
                        former assets; and (B) WCG, on behalf of itself and the
                        other WCG Entities (1) represent that the WCG Entities
                        have not sold, conveyed, assigned, or in any other way
                        transferred the Causes of Action to be released in the
                        immediately preceding clause (1)(e)(ii)(A); and (II)
                        agree that the WCG Entities will not sell, convey,
                        assign, or in any other way transfer such Causes of
                        Action prior to the effectiveness of such releases.

                  2. The New Investment. Upon the occurrence of the Plan
Effective Date, and subject to the satisfaction or waiver of all conditions
thereto and the consummation of each of the transactions contemplated hereby,
Leucadia shall invest $150 million in Cash in New WCG and, in exchange
therefor, shall receive 20.45% of the New WCG Common Stock to be issued under
the Plan (the "Leucadia Investment Distribution") in accordance with the terms
of the Leucadia Investment Agreement. By signing below, the Committee hereby
agrees that the terms and conditions of the Leucadia Investment are acceptable
to the Committee for purposes of Section 11(a) of the Restructuring Agreement.

                  3. Treatment of Unsecured Claims. Upon the occurrence of the
Plan Effective Date, and subject to the satisfaction or waiver of all conditions
thereto and the consummation of each of the transactions contemplated hereby,
each holder of an Allowed Class 5 Senior Redeemable Notes Claim and a Class 6
Other. Unsecured Claims (other than the Senior Redeemable Notes acquired by CGI,
which shall be deemed cancelled under the Plan) shall receive a Pro Rata Share
of 55% of the New WCG Common Stock issued under the Plan (subject to reduction
to 51.3% by (a) the issuance of additional New WCG Common Stock to the extent
such stock is issued to holders of Liquidated Securities Holder Claims from the
Securities Holder Channeling Fund pursuant to the Securities Holder Channeling
Fund Distribution Procedures and (b) the issuance of New WCG Common Stock to
certain members of the Ad

<PAGE>
Hoc Committee that executed the Restructuring Agreement) (the "Unsecured
Creditor Distribution").

                  4. Channeling Injunction. It is an essential element of, and a
condition to the effectiveness of, this Agreement and the Plan that the
Confirmation Order shall contain an injunction (the "Channeling Injunction")

              (a) providing that (i) all Class 5/6 Channeled Actions shall be
                  channeled to and fully and completely satisfied as a result of
                  the TWC Contributed Distribution and the other consideration
                  provided by the TWC Entities hereunder; and (ii) all
                  Securities Holder Channeled Actions shall be channeled to and
                  fully and completely satisfied from the Securities Holder
                  Channeling Fund; and

              (b) enjoining (except as may be required for recovery from
                  officer/director insurance policies of the Company) the
                  holders of Class 5/6 Channeled Actions and Securities Holder
                  Channeled Actions from:

                  (i)   commencing, conducting or continuing in any manner,
                        directly or indirectly, any suit, action or other
                        proceeding of any kind against a TWC Settlement Releasee
                        or its direct or indirect successor in interest
                        (including, without limitation, all suits, actions, and
                        proceedings that are pending as of the Plan Effective
                        Date, which must be withdrawn or dismissed with
                        prejudice), except as may be set forth in the Securities
                        Holder Channeling Fund Distribution Procedures;

                  (ii)  enforcing, levying, attaching, collecting or otherwise
                        recovering by any manner or means whether directly or
                        indirectly any judgment, award, decree or order against
                        a TWC Settlement Releasee or its assets or property, or
                        its direct or indirect successor in interest, or any
                        assets or property of such transferee or successor,

                  (iii) creating, perfecting or otherwise enforcing in any
                        manner, directly or indirectly, any lien against a TWC
                        Settlement Releasee or its assets or property, or its
                        indirect or indirect successors in interest, or any
                        assets or property of such transferee or successor,

                  (iv)  asserting any set-off, right of subrogation or
                        recoupment of any kind, directly or indirectly against
                        any obligation due to a TWC Settlement Releasee or its
                        assets or property, or its direct or indirect successors
                        in interest, or any assets or property of such
                        transferee or successor; and

                  (v)   proceeding in any manner that does not conform or comply
                        with the provisions of the Plan (including the
                        Securities Holder Channeling Fund Distribution
                        Procedures), the Approval Order or this Agreement.

                  5. The Settlement Motion: the Plan; TWC Approval Rights.
Promptly after the execution and delivery of this Agreement by the Parties, (a)
the Debtors and the Committee shall (i) file with the Bankruptcy Court a joint
motion seeking entry of the Approval Order, and (ii) use their commercially
reasonable efforts to obtain entry of the Approval Order, and (b) the Debtors,
the Committee, and Leucadia shall (i) file with the Bankruptcy Court the Plan,
and (ii) use their commercially reasonable efforts to confirm and consummate the
Plan. From and upon the execution of this Agreement, without the prior written
consent of TWC (a) the Plan may not be modified or amended (including, without
limitation, pursuant to Section 8.3 and 8.13 of the Plan), and (b) the
conditions to confirmation of the Plan and the occurrence of the Plan Effective
Date (including, without limitation, those conditions set forth in Article IV of
the Plan) may not be waived.

<PAGE>
                  6. Committee Encouragement Efforts. The Committee shall use
commercially reasonable efforts to encourage holders of Claims in Classes 5 and
6 under the Plan to (a) support the Plan; (b) support, and not oppose, entry by
the Bankruptcy Court of the Approval Order; and (c) subject to the Bankruptcy
Court's entry of an order approving a disclosure statement with respect to the
Plan as containing "adequate information" as required by section 1125 of the
Bankruptcy Code, vote to accept the Plan.

                  7. Non-Interference. The Committee, Leucadia, and TWC shall
not (a) take any action that would delay entry of the Approval Order or the
confirmation and consummation of the Plan; (b) solicitor encourage offers or
proposals, or entertain or engage in discussions with respect to any unsolicited
offer or proposal, or enter into any agreements, arrangements, or understandings
relating to any other chapter 11 plan with respect to WCG or enter into any
transaction involving the WCG Entities or their assets that would reasonably be
expected to be inconsistent with this Agreement, the Plan, or the transactions
contemplated hereby; (c) consent to, support, or participate in any formulation
of a chapter 11 plan for WCG other than the Plan; (d) encourage or support in
any fashion any person to (i) object to the entry of the Approval Order, or (ii)
vote against or object to the Plan; or (e) take any action directly or
indirectly for the purpose of delaying, preventing, frustrating, or impeding
entry of the Approval Order, or acceptance, confirmation, and consummation of
the Plan; provided, however, nothing herein shall prevent the Committee from
taking such actions as it determines in good faith to be necessary under
applicable law to fulfill its fiduciary duties in the event it receives a Notice
Concerning Negotiations; provided further, that nothing herein shall prevent the
Committee from informing itself in connection with the good faith exercise of
its fiduciary duties. Leucadia and the Company each agrees to promptly give
written notice to the Committee with a copy to TWC (with such notice being
herein referred to as a "Notice Concerning Negotiations", and with the giving of
such notice being deemed not to be a breach of the Settlement Agreement or any
related agreement) in the event that, in its good faith judgment (i) the
negotiations with the Lenders to obtain their consents in connection with the
transactions contemplated by the Settlement Agreement and the Plan are unlikely
to be successful or (ii) neither the negotiations with SBC to obtain its
consent, nor the efforts to obtain a court order providing that SBC does not
have the right to terminate its agreements with the Company, in connection with
the transactions contemplated by the Settlement Agreement and the Plan is likely
to be successful.

                  8. TWC to Accept the Plan. Subject to the Bankruptcy Court's
entry of an order approving a disclosure statement with respect to the Plan as
containing "adequate information" as required by section 1125 of the Bankruptcy
Code, TWC shall vote the TWC Assigned Claims to accept the Plan.

                  9. Authority. Subject only to such approval of the Bankruptcy
Court as is required with respect to the Debtors entry herein, each signatory to
this Agreement warrants that it has the authority to execute this Agreement on
behalf of the Party noted; provided, however, that the Parties hereto
acknowledge that (a) the Company has not obtained such waivers or consents, if
any, that may be required under the WCL Credit Agreement to implement the
transactions contemplated by this Agreement; and (b) none of the Parties hereto
(including the Debtors) will assert or use this Agreement or its approval by the
Bankruptcy Court as waiving or otherwise annulling or satisfying any requirement
under the WCL Credit Agreement that such waivers or consents as are required to
implement the transactions contemplated by this Agreement be obtained.

                  10. Binding Effect Subject only to approval of the Bankruptcy
Court with respect to the Debtors' obligations under Section 1, the provisions
of this Agreement are binding on and inure to the benefit of the Parties to this
Agreement and to each Party's respective successors and assigns.

                  11. Fiduciary Duties. Based on the facts and circumstances
known to WCG and the

<PAGE>

Committee as of the date hereof, WCG and the Committee acknowledge that their
entry into this Agreement and the consummation of the compromises and
settlements contemplated hereby are within the exercise of their respective
fiduciary duties. Notwithstanding the foregoing, nothing in this Agreement,
including in Sections 6 or 7 or in the preceding sentence, shall impair or
prevent the Debtors or the Committee from exercising their fiduciary duties and
taking such steps as each may determine in good faith to be necessary under
applicable law to fulfill such duties. Without limiting by implication the
generality of the forgoing, the Parties acknowledge that the Committee has
retained conflicts counsel to advise it with regard to certain issues, and that
the acknowledgment by the Committee in the next preceding sentence is qualified
to the extent of any contrary advice of such counsel with respect to such issues
and that the agreements of the Committee in Sections 6 and 7 of this Agreement
are subject to any actions which the Committee determines in good faith to be
necessary under applicable law to fulfill its fiduciary duties based on the
advice of such counsel with respect to such issues.

                  12. Governing Law: Jurisdiction. This Agreement will be
governed by the laws of the State of New York, without regard to its conflicts
of laws principles. Each of the Parties irrevocably (a) submits and consents in
advance to the exclusive jurisdiction of the Bankruptcy Court for the purpose of
any action or proceeding in which any WCG Entity is a party arising out of or
relating to this Agreement; (b) agrees that all claims in respect to such action
or proceeding may be heard and determined exclusively in such court; and (c)
waives any objection that such Party may have based upon lack of personal
jurisdiction, improper venue, or forum non conveniens. To the extent that any
action or proceeding among the Parties, other than a WCG Entity, arising out of
or relating to this Agreement is commenced, those Parties (and not the WCG
Entities) hereby irrevocably and unconditionally submit to the nonexclusive
jurisdiction of any New York State court or Federal court of the United States
of America sitting in New York City, and any appellate court from any thereof.

                  13. Entire Agreement This Agreement, the Exhibits hereto, and
the applicable provisions in the Plan constitute the complete and entire
agreement between the Parties with respect to the matters contained in this
Agreement, and supersedes all prior agreements, negotiations, and discussions
between the Parties, with respect thereto; provided, however, that nothing in
this Agreement shall (a) be deemed to have modified or superseded the TWC Plan
Support Agreement and the Restructuring Agreement; or (b) be a waiver or release
of any Party from any disclosure or other obligation or restriction regarding
the sale, purchase, assignment, or other trading in claims against any of the
WCG Entities, which must be the subject of a separate agreement and otherwise
conform to any orders that may be entered by the Bankruptcy Court.

                  14. Non-Reliance. Each of the Parties acknowledges that, in
entering into this Agreement, it is not relying upon any representations or
warranties made by anyone other than those terms and provisions expressly set
forth in this Agreement, the Exhibits hereto, and the applicable provisions in
the Plan.

                  15. Amendment. It is expressly understood and agreed that this
Agreement may not be altered, amended, waived, modified or otherwise changed in
any respect or particular whatsoever except by a writing duly executed by
authorized representatives of each of the Parties, and the Parties further
acknowledge and agree that they will make no claim at any time or place that
this Agreement has been orally supplemented, modified, or altered in any respect
whatsoever.

                  16. No Admissions. This Agreement shall in no event be
construed as or be deemed to be evidence of an admission or concession on the
part of the TWC Entities, the WCG Entities, or the WCG Indemnitees of any claim
or any fault or liability or damages whatsoever. Each of them denies any and all
wrongdoing or liability of any kind, and does not concede any infirmity in the
claims or defenses which it has asserted or would assert.

<PAGE>

                  17. Termination. This Agreement and all of the provisions
hereof (and of the Approval Order), including, without limitation, the allowance
of the TWC Assigned Claims, shall terminate

              (a) automatically if the Plan Effective Date has not occurred on
                  or before February 28, 2003; or

              (b) by written notice of any Party to this Agreement to the other
                  Parties (i) if the Plan is withdrawn pursuant to Section 8.4
                  of the Plan; (ii) if confirmation of the Plan is denied by
                  Final Order, or (iii) if either of the Leucadia Investment
                  Agreement or the Leucadia Claims Purchase Agreement is
                  terminated by its terms.

Upon such termination, this Agreement shall be of no further force or effect,
nothing in this Agreement shall survive, and all matters, rights, and Causes of
Action between and among the Parties shall be restored as if they had not
negotiated and entered into this Agreement, it being understood that nothing in
this Section 17 is intended to nor shall it (i) alter the rights of the Parties
accruing under other agreements, including but not limited to the Leucadia
Investment Agreement and the Leucadia Claims Purchase Agreement (irrespective of
whether any such other agreements have also been terminated according to their
terms), or (ii) relieve any Party for any breach of this Agreement.

                            [Signature Pages Follow]

<PAGE>

WILLIAMS COMMUNICATIONS GROUP, INC.         THE OFFICIAL COMMITTEE OF UNSECURED
                                            CREDITORS

/s/ HOWARD E. JANZEN
By:  Howard E. Janzen

                                            ------------------------------------
                                            By:
                                               ---------------------------------
ITS: PRESIDENT AND CEO                      Its:
                                                --------------------------------

CG AUSTRIA, INC.                            LEUCADIA NATIONAL CORPORATION

/s/ HOWARD E. JANZEN
By:  Howard E. Janzen

                                            ------------------------------------
                                            By:
                                               ---------------------------------
ITS: PRESIDENT & CEO                        ITS:
                                                --------------------------------

                                            THE WILLIAMS COMPANIES, INC.

                                            ------------------------------------
                                            By:
                                               ---------------------------------
                                            Its:
                                                --------------------------------

<PAGE>
WILLIAMS COMMUNICATIONS GROUP, INC.         THE OFFICIAL COMMITTEE OF UNSECURED
                                              CREDITORS BY: R(2) INVESTMENTS,
                                               LPC;
                                              BY: AMALGAMATED GADGET, L.P., AS
                                                  INVESTMENT MANAGER;
                                              BY: SCEPTOR HOLDINGS, INC., ITS
-----------------------------------               GENERAL PARTNER
BY:                                               BY: /s/ DAVID GILLESPIE
   --------------------------------               Its: Chairperson
Its:
    -------------------------------

CG AUSTRIA, INC.                            LEUCADIA NATIONAL CORPORATION

-----------------------------------         ------------------------------------
By:                                         By:
   --------------------------------            ---------------------------------
Its:                                        Its:
    -------------------------------             --------------------------------

                                            THE WILLIAMS COMPANIES, INC.

                                            ------------------------------------
                                            By:
                                               ---------------------------------
                                            Its:
                                                --------------------------------

<PAGE>

WILLIAMS COMMUNICATIONS GROUP, INC.         THE OFFICIAL COMMITTEE OF UNSECURED
                                            CREDITORS

-----------------------------------         ------------------------------------
By:                                         By:
   --------------------------------            ---------------------------------
Its:                                        Its:
    -------------------------------             --------------------------------

CG AUSTRIA, INC.                            LEUCADIA NATIONAL CORPORATION

                                            /s/  Barbara L. Lowenthal
-----------------------------------         ------------------------------------
By:                                         By:  Barbara L. Lowenthal
   --------------------------------
ITS:                                        Its: Vice President
    -------------------------------

                                            THE WILLIAMS COMPANIES, INC.

                                            ------------------------------------
                                            By:
                                               ---------------------------------
                                            Its:
                                                --------------------------------

<PAGE>

WILLIAMS COMMUNICATIONS GROUP, INC.         THE OFFICIAL COMMITTEE OF UNSECURED
                                            CREDITORS

-----------------------------------         ------------------------------------
By:                                         By:
   --------------------------------            ---------------------------------
Its:                                        Its:
    -------------------------------             --------------------------------

CG AUSTRIA, INC.                            LEUCADIA NATIONAL CORPORATION

-----------------------------------         ------------------------------------
By:                                         By:
   --------------------------------            ---------------------------------
Its:                                        Its:
    -------------------------------             --------------------------------

                                            THE WILLIAMS COMPANIES, INC.

                                            /s/ JACK D. McCARTHY
                                            By: JACK D. McCARTHY
                                               ---------------------------------
                                            Its: SENIOR VICE PRESIDENT -
                                            FINANCE, CHIEF FINANCIAL OFFICER

<PAGE>
                 Glossary of Settlement Agreement Defined Terms

Capitalized terms used in this Agreement herein shall have the meanings set
forth in the Plan, unless otherwise defined in the recitals to this Agreement or
as follows:

     (a)    "Agreement" means this Settlement Agreement and all agreements that
            are Exhibits hereto.

     (b)    "Approval Order" means an order of the Bankruptcy Court, in form and
            substance reasonably acceptable to the Parties, authorizing the
            Debtors' entry into this Agreement and approving the settlements and
            transactions contemplated hereby pursuant to Bankruptcy Rule 9019.

     (c)    "Building Purchase Agreement" means the agreement dated as of July
            26, 2002, a true and correct copy of which is annexed hereto as
            Exhibit 4, pursuant to which, as a component of the TWC Settlement,
            WTC shall purchase, the Building Purchase Assets from WHBC.

     (d)    "Building Purchase Assets" means all of the real and personal
            property being acquired by WTC pursuant to the Building Purchase
            Agreement, including the Headquarters Building.

     (e)    "Building Purchase Collateral Documents" shall have the meaning set
            forth in Section (l)(b) of this Agreement.

     (f)    "Building Purchase Note" shall have the meaning set forth in Section
            (l)(b) of this Agreement.

     (g)    "Channeling Injunction" shall have the meaning set forth in Section
            4 of this Agreement.

     (h)    "Class 5/6 Channeled Actions" means all Causes of Action of holders
            of Class 5 Senior Redeemable Notes Claims and Class 6 Other
            Unsecured Claims, acting in such capacity, against a TWC Releasee or
            a WCG Indemnitee (except for Causes of Action to enforce any
            obligation of a TWC Releasee or WCG Indemnitee under the Plan, a
            Plan Document, or this Agreement) that is based in whole or in part
            on any act, omission, event, condition, or thing in existence or
            that occurred in whole or in part prior to the Plan Effective Date.

     (i)    "Guaranty Indemnification Agreement" shall have the meaning set
            forth in Section (I)(d)(vi) of this Agreement.

     (j)    "Lender Second Mortgage" shall have the meaning set forth in Section
            1(b) of this Agreement.

     (k)    "Leucadia Claims Purchase Agreement" means that certain Purchase and
            Sale Agreement dated as of July 26, 2002, a true and correct copy of
            which is annexed hereto as Exhibit 3, pursuant to which, as a
            component of the TWC Settlement, Leucadia has agreed to purchase,
            and TWC has agreed to sell, certain rights associated with the TWC
            Assigned Claims for $180 million in Cash.

     (1)    "Leucadia Investment Agreement" means the agreement and all related
            exhibits and agreements dated as of July 26, 2002, a true and
            correct copy of which is annexed hereto as Exhibit 2, by and between
            WCG, WCL, and Leucadia, pursuant to which, as a component of the TWC
            Settlement, Leucadia shall make the New Investment.

<PAGE>
     (m)    "Leucadia Claims Distribution" shall have the meaning set forth in
            Section (1 )(a)(iii) of this Agreement.

     (n)    "Leucadia Investment Distribution" shall have the meaning set forth
            in Section 2 of this Agreement.

     (o)    "License Amendment" shall have the meaning set forth in Section
            (1)(d)(iii) of this Agreement.

     (p)    "Liquidated Securities Holder Claim" means a Securities Holder Claim
            that becomes entitled to recovery from the Securities Holder
            Channeling Fund pursuant to the Securities Holder Channeling Fund
            Distribution Procedures.

     (q)    "Plan" means the First Amended Joint Chapter 11 Plan with Respect to
            the Debtors, dated July 26, 2002, a true and correct copy of which
            is attached hereto as Exhibit 1.

     (r)    "Plan Effective Date" means the date upon which the transactions
            contemplated in the Plan are consummated, which shall be a Business
            Day selected by the Debtors, with the consent of the Committee,
            Leucadia, and TWC, after the first Business Day (i) which is ten
            (10) days after the date the Confirmation Order has been entered,
            (ii) on which the Confirmation Order is not stayed, and (iii) on
            which all conditions to the entry of the Confirmation Order and the
            occurrence of the Plan Effective Date have been satisfied or waived.

     (s)    "Proportional Share" means the proportion that the amount of an
            Allowed Claim bears to the aggregate of all Allowed Claims in
            Classes 4, 5, and 6 under the Plan.

     (t)    "SBC" means SBC Communications, Inc. and each of its direct and
            indirect subsidiaries.

     (u)    "SBC Consent" means the consent by SBC to (a) the transactions
            contemplated by the Leucadia Investment Agreement and the Leucadia
            Claims Purchase Agreement; (b) the transactions contemplated by the
            Plan; and (c) the Spin-Off, in form and substance reasonably
            satisfactory to the Committee, Leucadia and WCG.

     (v)    "Securities Holder" means all current and former holders of
            securities issued by the WCG Entities (and all options, agreements,
            and derivatives thereof) acting in such capacity; provided, however,
            that "Securities Holder" shall not include holders of Allowed Claims
            in Classes 5 and 6 under the Plan, acting in such capacity.

     (w)    "Securities Holder Channeled Actions" means all Causes of Action of
            a Securities Holder against a WCG Indemnitee that is based in whole
            or in part on any act, omission, event, condition, or thing in
            existence or that occurred in whole or in part prior to the Plan
            Effective Date.

     (x)    "Securities Holder Channeling Fund" means (i) the right to receive
            up to 2% of the New WCG Common Stock (on a fully-diluted basis), to
            the extent that holders of Securities Holder Channeled Actions
            become entitled to receive such stock pursuant to the Securities
            Holder Channeling Fund Distribution Procedures; and/or (ii) such
            recoveries that can be obtained from officer/director liability
            insurance policies of the Company that cover officers and directors
            of the Company or the Company's obligations to indemnify its
            officers and directors.

     (y)    "Securities Holder Channeling Fund Distribution Procedures" means
            those procedures set forth in a Plan Document for distributions from
            the Securities Holder Channeling Fund providing,
<PAGE>
            among other things, that all recoveries from the Securities Holder
            Channeling Fund shall be pro rata based on the ratio that a
            particular Liquidated Securities Holder Action bears to all
            Liquidated Securities Holder Actions.

     (z)    "Settlement Contracts" means the Building Purchase Agreement, the
            Building Purchase Note, the Building Purchase Collateral Documents,
            the License Amendment, the Tax Cooperation Agreement, the Guaranty
            Indemnification Agreement, and the WilTel Assignment.

     (aa)   "Tax Cooperation Agreement" shall have the meaning set forth in
            Section (1)(d)(ii) of this Agreement.

     (bb)   "TWC Assigned Claims" shall have the meaning set forth in Section
            (l)(a) of this Agreement.

     (cc)   "TWC Continuing Contracts" means the contracts listed on Exhibit 5
            and the contracts attached hereto as Exhibits 4, 6, 7, 8, 9, and 10.

     (dd)   "TWC Continuing Contract Claims" shall have the meaning set forth in
            Section (l)(c) of this Agreement.

     (ee)   "TWC Contributed Distribution" means (i) the amount of New WCG
            Common Stock TWC would otherwise be entitled to recover on account
            of the face amount of the TWC Assigned Claims (i.e., the
            Proportional Share attributable to the TWC Assigned Claims) minus
            (ii) the Leucadia Claims Distribution.

     (ff)   "TWC Released Parties" means the TWC Entities and each of their
            respective present and former directors, managers, officers,
            employees, agents, attorneys, advisors and accountants, acting in
            such capacity.

     (gg)   "TWC Settlement" means all of the compromises and transactions
            contemplated by this Agreement.

     (hh)   "TWC Settlement Releasee" means a TWC Released Party or a WCG
            Indemnitee, in each case as the context requires.

     (ii)   "Unsecured Creditor Distribution" shall have the meaning set forth
            in Section 3 of this Agreement.

     (jj)   "WCG" shall have the meaning ascribed thereto in the opening
            paragraph of this Agreement.

     (kk)   "WCG Entities" means WCG and each of its direct and indirect
            subsidiaries.

     (ll)   "WCG Indemnitee" means each of the present and former directors,
            managers, officers, employees, agents, attorneys, advisors, and
            accountants of the WCG Entities, acting in such capacity, excluding
            Persons who serve or served as officers of SBC Communications, Inc.,
            or any of its subsidiaries, to the extent such Persons possessed
            conflicts of interest with respect to the WCG Entities while acting
            as directors of WCG in connection with the spin-off of WCG from TWC,
            provided, however, that if the SBC Consent shall have been obtained,
            then such officers of SBC shall be deemed to be WCG Indemnitees.

<PAGE>

     (mm)   "WCL" means Williams Communications, LLC, a wholly-owned subsidiary
            of WCG.

     (nn)   "WHBC" means Williams Headquarters Building Company, a wholly-owned
            subsidiary of TWC.

     (oo)   "WilTel Assignment" shall have the meaning set forth in Section
            (l)(d)(iv) of this Agreement.

     (pp)   "WTC" means Williams Technology Center, LLC, an indirect
            wholly-owned subsidiary of WCG.

<PAGE>

                    List of Exhibits to Settlement Agreement

Exhibit 1 -- First Amended Joint Chapter 11 Plan

Exhibit 2-- Leucadia Investment Agreement

Exhibit 3-- Leucadia Claims Purchase Agreement

Exhibit 4-- Building Purchase Agreement

Exhibit 5-- List of TWC Continuing Contracts

Exhibit 6-- Agreement for the Resolutions of Continuing Contract Disputes

Exhibit 7-- Tax Cooperation Agreement

Exhibit 8-- License Amendment

Exhibit 9 -- WilTel Assignment

Exhibit 10-- Guaranty Indemnification Agreement

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