Document:

<PAGE>

                                                                   EXHIBIT 4.1.4

                   CONSULTANTS AND ADVISORS COMPENSATION PLAN
            CONFIDENTIALITY AGREEMENT AND GRANT OF OPTIONS AND SHARES

                  THIS AGREEMENT is executed as of this 10th day of September,
2001, by and between DIGITAL DESCRIPTOR SYSTEMS, INC., a Delaware corporation
(the "Company"), and James Gilligan ("the Consultant", which shall include
"Advisors").

                                    RECITALS

                  The Company desires to retain the Consultant, and the
Consultant desires to offer services to the Company, on the terms and conditions
set forth herein.

                  The parties believe it is in their best interests to make
provision for certain aspects of their relationship during and after the period
in which the Consultant offers services to the Company.

                  NOW, THEREFORE, in consideration of the premises and the
mutual agreements and covenants contained herein, and for other good and
valuable consideration, the receipt and sufficiency of which is hereby
acknowledged by the Company and the Consultant,

                  IT IS HEREBY AGREED AS FOLLOWS:

                                    ARTICLE I
                                   ENGAGEMENT

                  1.1 Term of Engagement. The Consultant shall perform advisory
and consulting services for the Company, for the period commencing on the date
hereof and ending on March 10, 2002, subject to earlier termination as
hereinafter set forth in Article III (the "Engagement").

                  1.2 Consulting Duties. The Consultant shall furnish consulting
and advisory services concerning increasing sales of CPC Lite to criminal
justice and commercial market such matters related to the business of the
Company as may from time-to-time be requested by the Company, including, without
limitation, administration, marketing, sales and new product and service
development.

                  1.3      Independent Contractor Status.
                           -----------------------------

                           (a) Each party shall remain solely responsible and
liable for compliance with all local, state and federal laws and regulations
including, without limitation, federal and state securities laws.

                           (b) Neither party shall have any liability or
obligation of any kind for claims brought upon the other as a result of either
party carrying out the terms of this Agreement. Furthermore, the Consultant
agrees and acknowledges that he or she shall have no right to unemployment
compensation by virtue of the independent contractor relationship created
hereunder.
<PAGE>

                           (c) The parties hereto acknowledge that their
relationship shall be that of an independent contractor rather than that of
employee, agent, partnership, or a joint venture. Each party shall report
payments hereunder to all governmental agencies as that of an independent
contractor with the Company reporting amounts paid to Consultant on Form
1099-MISC (or successor form thereto) and in no event shall Company treat or
report amounts paid to Consultant as amounts paid to an employee. Neither the
Company nor the Consultant shall in any way become obligated for the debts or
expenses of the other, unless otherwise agreed in writing. The Consultant shall
not have authority to bind the Company or otherwise execute any document on
behalf of the Company, nor shall the Consultant hold itself out to the public or
any third party as possessing such authority.

                                   ARTICLE II

                                  COMPENSATION

                  2.1 Fee. The Company shall pay the Consultant compensation
shares of the Company's common stock or options totaling 200,000 shares. The
Consultant shall not receive any further compensation, nor shall the Consultant
be eligible to participate in any employee benefit or welfare plans adopted or
sponsored by the Company. The Consultant shall submit to the Company itemized
monthly invoices which shall be due at net within 30 days of invoice date. The
Company shall reimburse the Consultant for documented expenses paid by the
Consultant which were preapproved in writing.

                                   ARTICLE III

                                   TERMINATION

                  3.1 Right to Terminate. The Company and the Consultants may
terminate the Engagement and all of the Company's obligations under this
Agreement at any time and for any reason.

                  3.2 Rights Upon Termination. If the Engagement is terminated
the Consultant shall have no further rights against the Company hereunder,
except for the right to receive (i) any unpaid Fee with respect to the period
prior to the effective date of termination, and (ii) reimbursement of expenses
to which the Consultant is entitled.

                  3.3 Continuing Obligation. The Consultant shall continue,
after termination, to be bound by the terms of Article IV below and State and
Federal Trading regulations on non-public information.

                                   ARTICLE IV

                                 CONFIDENTIALITY

                  4.1 Confidential and Non-Public Information; Intellectual
Property.
<PAGE>

                           (a) Confidential Information. The Consultant will
acquire information of a confidential nature relating to the operation,
finances, business relationships and trade secrets of the Company, including,
but not limited to non-public information concerning the Company's financial and
business prospects. During Engagement and for a period of two years following
termination thereof, within the geographical area in which such use, publication
or disclosure could harm the Company's existing or potential business interests,
the Consultant will not use (except for use in the course of the Consultant's
authorized Engagement with the Company), publish, disclose or authorize anyone
else to use, publish or disclose, without the prior written consent of the
Company, any confidential and non-public information pertaining to the Company
or its affiliated entities, including, without limitation, any information
relating to existing or potential business, customers, trade or industrial
practices, plans, costs, processes, technical or engineering data, or trade
secrets, and financial information; provided, however, that following
termination of the Engagement, the Consultant shall be prohibited from ever
using, publishing, disclosing or authorizing anyone else to use, publish or
disclose, any confidential information which constitutes a trade secret under
applicable law. The Consultant shall not remove or retain any figures,
calculations, formulae, letters, papers, software, abstracts, summaries,
drawings, blueprints, diskettes or any other material, or copies thereof, which
contain or embody any confidential information of the Company, except for use in
the course of the Consultant's regular authorized duties on behalf of the
Company. The foregoing notwithstanding, the Consultant has no obligation to
refrain from using, publishing or disclosing any such confidential information
which is or hereafter shall become available to the public otherwise than by
use, publication or disclosure by the Consultant. This prohibition also does not
prohibit the Consultant's use of general skills and know-how acquired during and
prior to the Engagement, as long as such use does not involve the use,
publication or disclosure of the Company's confidential information.

                  4.2 Return of Documents. Immediately upon termination of the
Engagement, the Consultant will return to the Company, and so certify in writing
to the Company, all the Company's papers, documents and things, including
information stored for use in or with computers and software applicable to the
Company's business (and all copies thereof), which are in the Consultant's
possession or under the Consultant's control, regardless whether such papers,
documents or things contain confidential information or trade secrets.

                  4.3 Equitable Relief. The Consultant acknowledges that any
breach of this Agreement will cause substantial and irreparable harm to the
Company for which money damages would be an inadequate remedy. Accordingly, the
Company shall in any such event be entitled to obtain injunctive and other forms
of equitable relief to prevent such breach and to recover from the Consultant
the Company's costs (including without limitation reasonable attorneys' fees)
incurred in connection with enforcing this Agreement, in addition to any other
rights or remedies available at law, in equity or by statute.

                                    ARTICLE V

                               GENERAL PROVISIONS

                  5.1 Notices. Any and all notices, consents, documents or
communications provided for in this Agreement shall be given in writing and
shall be personally delivered, mailed by registered or certified mail (return
receipt requested) or sent by courier, confirmed by receipt, and addressed as
follows (or to such other address as the addressed party may have substituted by
notice pursuant to this Section 5.1):
<PAGE>

                            (a)     If to the Company:

                                    Digital Descriptors Systems, Inc.
                                    446 Lincoln Highway
                                    Fairless Hills, PA  19030
                                    Attn:   Garrett U. Cohn, President

                           (b)      If to the Consultant:

                                    James Gilligan ______
                                    C/O About Face Communications____
                                    One Oxford Valley/Suite 810__
                                    Langhorne, PA  19047_____

Such notice, consent, document or communication shall be deemed given upon
personal delivery or receipt at the address of the party stated above or at any
other address specified by such party to the other party in writing, except that
if delivery is refused or cannot be made for any reason, then such notice shall
be deemed given on the third day after it is sent.

                  5.2 Entire Agreement. This Agreement contains the entire
understanding and the full and complete agreement of the parties and supersedes
and replaces any prior understandings and agreements among the parties, with
respect to the subject matter hereof.

                  5.3 Amendment. This Agreement may be altered, amended or
modified only in a writing, signed by both of the parties hereto. Headings
included in this Agreement are for convenience only and are not intended to
limit or expand the rights of the parties hereto. References to Sections herein
shall mean sections of the text of this Agreement, unless otherwise indicated.

                  5.4 Assignability. This Agreement and the rights and duties
set forth herein may not be assigned by the Consultant, but may be assigned by
the Company, in whole or in part. This Agreement shall be binding on and inure
to the benefit of each party and such party's respective heirs, legal
representatives, successors and assigns.

                  5.5 Severability. If any court of competent jurisdiction
determines that any provision of this Agreement is invalid or unenforceable,
then such invalidity or unenforceability shall have no effect on the other
provisions hereof, which shall remain valid, binding and enforceable and in full
force and effect, and such invalid or unenforceable provision shall be construed
in a manner so as to give the maximum valid and enforceable effect to the intent
of the parties expressed therein.

                  5.6 Waiver of Breach. The waiver by either party of the breach
of any provision of this Agreement shall not operate or be construed as a waiver
of any subsequent breach by either party.
<PAGE>

                  5.7 Governing Law; Construction. This Agreement shall be
governed by the internal laws of the Commonwealth of Pennsylvania, without
regard to any rules of construction concerning the draftsman hereof.

                  IN WITNESS WHEREOF, the parties have executed this Agreement
as of the day and year written above.

                                               COMPANY:

                                               DIGITAL DESCRIPTOR SYSTEMS, INC.
                                               ---------------------------------
                                               By:
                                                  ------------------------------
                                                    Garrett U. Cohn, President
                                                  ------------------------------

                                               CONSULTANT:

                                               ---------------------------------
                                               James Gilligan<PAGE>
                                                                   EXHIBIT 4.6.1

                         UNION BANK OF CALIFORNIA, N.A.
                               4200 LINCOLN PLAZA
                                 500 NORTH AKARD
                               DALLAS, TEXAS 75201

                                November 2, 2001

Chesapeake Energy Corporation
Chesapeake Exploration Limited Partnership
6100 North Western Avenue
Oklahoma City, Oklahoma 73118

Re:      Second Amended and Restated Credit Agreement dated as of June 11, 2001
         (as amended, supplemented or restated, the "Credit Agreement"), by and
         among Chesapeake Exploration Limited Partnership, an Oklahoma limited
         partnership ("Borrower"), Chesapeake Energy Corporation, an Oklahoma
         corporation ("Company"), Bear Stearns Corporate Lending Inc., as
         syndication agent ("Syndication Agent"), Union Bank of California,
         N.A., as administrative agent and collateral agent ("Administrative
         Agent"), and the several banks and other financial institutions or
         entities from time to time parties thereto ("Lenders")

Ladies and Gentlemen:

         Reference is hereby made to the Credit Agreement. Terms which are
defined in the Credit Agreement and not otherwise defined herein are used herein
with the meanings given them in the Credit Agreement.

         Borrower and Company have informed Administrative Agent and Lenders
that they intend to enter into the following transactions (collectively, the
"Proposed Transactions"):

         o        Company intends to acquire RAM Energy, Inc. by merging Carmen
                  Acquisition Corp. (a Subsidiary of Company) with RAM Energy,
                  Inc. (the "RAM Acquisition") in consideration for the issuance
                  of Capital Stock of Company and the unsecured commitment by
                  Company to make cash payments of up to $10,000,000 over a
                  period of time not to exceed three years pursuant to the terms
                  of the related merger agreement (the "RAM Cash Payments"). In
                  connection with the RAM Acquisition, Company intends to
                  purchase all of the outstanding 11 1/2% Senior Notes due 2008
                  (the "RAM Notes") issued by RAM Energy, Inc. from the holders
                  thereof for cash (the "RAM Note Purchases").

<PAGE>

         o        Company intends to acquire Sapient Energy Corp. for
                  $132,000,000 cash (subject to customary adjustments) by
                  merging a Subsidiary of Company with Sapient Energy Corp. (the
                  "Sapient Acquisition").

         o        Borrower intends to acquire certain oil and gas properties
                  from Apache Corporation for $41,000,000 cash (subject to
                  customary adjustments) (the "Apache Acquisition").

         o        Company intends to issue new Senior Notes in the aggregate
                  face amount of up to $250,000,000, providing (a) for an
                  interest rate at the then prevailing market rate of interest,
                  but not more than 8 3/8%, (b) for a maturity date of not
                  sooner than seven years from the date of issuance, and (c) for
                  covenants, mandatory prepayments, defaults, and events of
                  default no more restrictive than Company's 8 1/8% Notes (the
                  "New Notes").

         o        Company intends to issue new Cumulative Convertible Perpetual
                  Preferred Stock in the aggregate face amount of at least
                  $125,000,000 but not more than $150,000,000 plus a 15% over
                  allotment with a coupon not to exceed 7 1/2% (the "New
                  Preferred Stock").

         Borrower and Company have requested that Administrative Agent and
Lenders consent to certain of the Proposed Transactions. Accordingly, subject to
the terms and provisions hereof, Administrative Agent and Lenders hereby:

                  (a) (i) consent to the RAM Note Purchases, (ii) waive any
         violations of the Credit Agreement resulting therefrom, and (iii) agree
         that such RAM Note Purchases shall be permitted in addition to the
         Investments otherwise permitted pursuant to Section 7.7 of the Credit
         Agreement; provided that (1) at the time of each RAM Note Purchase, no
         Default or Event of Default has occurred which is continuing, (2) the
         RAM Note Purchases shall be approved by the Board of Directors of
         Company, (3) the aggregate cash purchase price for all RAM Note
         Purchases paid to the holders thereof pursuant to this Letter Agreement
         (and the Letter Agreement dated September 10, 2001 among Borrower,
         Company, Administrative Agent, and certain Lenders) shall not exceed
         $90,000,000 (excluding accrued interest paid in connection with such
         purchases) and must occur on or before March 31, 2002, (4) the
         Subsidiary surviving the RAM Acquisition shall not be merged or
         consolidated with or into any Subsidiary of Company prior to the
         purchase by Company of all of the outstanding RAM Notes, (5) Company
         shall not resell any RAM Notes purchased by Company, and (6) except as
         otherwise provided herein, nothing in this Letter Agreement shall allow
         any Person to make any other new Investments not allowed pursuant to
         Section 7.7 of the Credit Agreement; and

                  (b) (i) consent to the RAM Cash Payments, (ii) waive any
         violations of the Credit Agreement resulting therefrom, and (iii) agree
         that such RAM Cash Payments shall

<PAGE>

         be permitted in addition to the Indebtedness otherwise permitted
         pursuant to Section 7.2 of the Credit Agreement; provided that (1) at
         the time of each RAM Cash Payment, no Default or Event of Default has
         occurred which is continuing, (2) the RAM Cash Payments shall be
         approved by the Board of Directors of Company, (3) the aggregate amount
         of all RAM Cash Payments paid to the holders thereof pursuant to this
         Letter Agreement shall not exceed $10,000,000 plus interest thereon at
         up to six percent (6%) per annum, (4) the Subsidiary surviving the RAM
         Acquisition shall become a Subsidiary Guarantor under the Credit
         Agreement pursuant to Section 6.9(b) thereof, and (5) except as
         otherwise provided herein, nothing in this Letter Agreement shall allow
         any Person to incur any other new Indebtedness not allowed pursuant to
         Section 7.2 of the Credit Agreement; and

                  (c) (i) consent to the Sapient Acquisition and (ii) waive any
         violations of the Credit Agreement resulting therefrom; provided that
         (1) at the time of the Sapient Acquisition, no Default or Event of
         Default has occurred which is continuing, (2) the Sapient Acquisition
         shall be approved by the Board of Directors of Company, (3) the
         Subsidiary surviving the Sapient Acquisition shall become a Subsidiary
         Guarantor under the Credit Agreement pursuant to Section 6.9(b)
         thereof, (4) the Sapient Acquisition shall be consummated on or before
         January 31, 2002 and (5) except as otherwise provided herein, nothing
         in this Letter Agreement shall allow any Person to make any other new
         Investments not allowed pursuant to Section 7.7 of the Credit
         Agreement; and

                  (d) (i) consent to the issuance of the New Notes, (ii) waive
         any violations of the Credit Agreement resulting therefrom, and (iii)
         agree that such New Notes shall be permitted in addition to the
         Indebtedness otherwise permitted pursuant to Section 7.2 of the Credit
         Agreement; provided that (1) at the time of the issuance of the New
         Notes, no Default or Event of Default has occurred which is continuing,
         (2) the issuance of the New Notes shall be approved by the Board of
         Directors of Company, (3) the issuance of the New Notes shall be
         consummated on or before December 31, 2001, and (4) except as otherwise
         provided herein, nothing in this Letter Agreement shall allow any
         Person to incur any other new Indebtedness not allowed pursuant to
         Section 7.2 of the Credit Agreement; and

                  (e) (i) consent to the payment of cash dividends in respect of
         the New Preferred Stock in the aggregate face amount not to exceed
         $150,000,000 plus a 15% over allotment (the "New Preferred Dividends"),
         (ii) waive any violations of the Credit Agreement resulting therefrom,
         and (iii) agree that such New Preferred Dividends shall be permitted in
         addition to the Restricted Payments otherwise permitted pursuant to
         Section 7.6 of the Credit Agreement; provided that (1) at the time of
         the declaration of such New Preferred Dividends, no Default or Event of
         Default has occurred which is continuing, (2) the payment of the New
         Preferred Dividends shall be declared by the Board of Directors of
         Company, and (3) nothing in this Letter Agreement shall allow any
         Person to make any

<PAGE>

         other new Restricted Payments not allowed pursuant to Section 7.6 of
         the Credit Agreement.

The limitations set forth in clauses (a) and (c) above shall not be deemed to
restrict Investments otherwise allowed under clause (n) of Section 7.7 of the
Credit Agreement.

         Company hereby agrees (a) to consummate the issuance of the New
Preferred Stock in the aggregate face amount of at least $125,000,000 on or
before December 31, 2001 and (b) that the failure to consummate the issuance of
such New Preferred Stock shall constitute an Event of Default under the Credit
Agreement.

         In consideration of this Letter Agreement, provided that Majority
Lenders are signatory to this Letter Agreement on or before 2:00 p.m., Dallas,
Texas time on the date hereof, Borrower will pay to Administrative Agent, for
the account of each Lender, an amendment fee determined by multiplying .075%
times such Lender's Revolving Commitment, which shall be due and payable on the
date hereof.

         The Credit Agreement is hereby ratified and confirmed in all respects.
Except as expressly set forth above, the execution, delivery and effectiveness
of this Letter Agreement shall not operate as a waiver of any right, power or
remedy of Administrative Agent or Lenders under the Credit Agreement, the Notes,
or any other Loan Document, nor constitute a waiver of any provision of the
Credit Agreement, the Notes, or any other Loan Document.

         By its execution below, each Guarantor hereby (i) consents to the
provisions of this Letter Agreement and the transactions contemplated herein,
(ii) ratifies and confirms the Guarantee Agreement dated as of June 11, 2001
made by it for the benefit of Administrative Agent and Lenders and the other
Loan Documents executed pursuant to the Credit Agreement, (iii) agrees that all
of its respective obligations and covenants thereunder shall remain unimpaired
by the execution and delivery of this Letter Agreement and the other documents
and instruments executed in connection herewith, and (iv) agrees that the
Guarantee Agreement and such other Loan Documents shall remain in full force and
effect.

         This Letter Agreement is a "Loan Document" as defined and described in
the Credit Agreement and all of the terms and provisions of the Credit Agreement
relating to Loan Documents shall apply hereto. This Letter Agreement may be
executed in multiple counterparts, all of which shall constitute one Letter
Agreement. This Letter Agreement may be validly executed by facsimile or other
electronic transmission.

            [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK.]

<PAGE>

         Please execute a copy of this Letter Agreement in the space provided
below to evidence your agreement to and acknowledgment of the foregoing.

                                   Very truly yours,

                                   UNION BANK OF CALIFORNIA, N.A.
                                   Administrative Agent, Collateral Agent
                                   and Lender

                                   By:    /s/ CARL STUTZMAN
                                      -----------------------------------------
                                      Name:   Carl Stutzman
                                      Title:  Senior Vice President and Manager

                                   By:    /s/ SEAN MURPHY
                                      -----------------------------------------
                                      Name:   Sean Murphy
                                      Title:  Assistant Vice President

ACKNOWLEDGED AND AGREED
to as of the date first written above:

BORROWER:

CHESAPEAKE EXPLORATION LIMITED PARTNERSHIP

By: Chesapeake Operating, Inc., its general partner

By:    /s/ MARTHA A. BURGER
   ------------------------------------
   Name:   Martha A. Burger
   Title:  Treasurer

<PAGE>

GUARANTORS:

CHESAPEAKE ENERGY CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

THE AMES COMPANY, INC.

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

ARKOMA PITTSBURG HOLDING CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE ACQUISITION CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE ENERGY LOUISIANA CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

<PAGE>

CHESAPEAKE OPERATING, INC.

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE OPERATING, INC., as General Partner of
Chesapeake Panhandle Limited Partnership

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE ROYALTY COMPANY

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE OPERATING, INC., as General Partner of
Chesapeake-Staghorn Acquisition L.P.

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

CHESAPEAKE OPERATING, INC., as General Partner of
Chesapeake Louisiana, L.P.

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

<PAGE>

CHESAPEAKE OPERATING, INC., as General Partner of
Chesapeake Exploration Limited Partnership

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

GOTHIC ENERGY CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

GOTHIC PRODUCTION CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

NOMAC DRILLING CORPORATION

By:   /s/ MARTHA A. BURGER
   ------------------------------------
   Name:  Martha A. Burger
   Title: Treasurer

                                       LENDERS:

                                       BANK OF OKLAHOMA, N.A.

                                       By:   /s/ JOHN N. HUFF
                                          --------------------------------------
                                          Name:  John N. Huff
                                          Title: Vice President

<PAGE>

                                       BANK OF SCOTLAND

                                       By:   /s/ JOSEPH FRATUS
                                          --------------------------------------
                                          Name:  Joseph Fratus
                                          Title: Vice President

                                       BEAR STEARNS CORPORATE LENDING INC.

                                       By:    /s/ VICTOR F. BULZACCHELLI
                                          --------------------------------------
                                          Name:   Victor F. Bulzacchelli
                                          Title:  Managing Director

                                       BNP PARIBAS

                                       By:    /s/ A. DAVID DODD
                                          --------------------------------------
                                          Name:   A. David Dodd
                                          Title:  Vice President

                                       By:    /s/ LARRY ROBINSON
                                          --------------------------------------
                                          Name:   Larry Robinson
                                          Title:  Vice President

                                       COMERICA BANK - TEXAS

                                       By:    /s/ PETER L. SELZIK
                                          --------------------------------------
                                          Name:   Peter L. Selzik
                                          Title:  Corporate Banking Officer

                                       COMPASS BANK

                                       By:    /s/ KATHLEEN J. BOWEN
                                          --------------------------------------
                                          Name:   Kathleen J. Bowen
                                          Title:  Vice President

                                       CREDIT AGRICOLE INDOSUEZ

                                       By:
                                          --------------------------------------
                                          Name:
                                          Title:

<PAGE>

                                       NATEXIS BANQUES POPULAIRES

                                       By:
                                          --------------------------------------
                                          Name:
                                          Title:

                                       NATIONAL BANK OF CANADA, NEW YORK BRANCH

                                       By: /s/ DOUG CLARK
                                          --------------------------------------
                                          Name:  Doug Clark
                                          Title: Vice President

                                       By: /s/ RANDALL K. WILHOIT
                                          --------------------------------------
                                          Name:  Randall K. Wilhoit
                                          Title: Vice President

                                       RZB FINANCE LLC

                                       By: /s/ F. DIETER BEINTREXLER
                                          --------------------------------------
                                          Name:  F. Dieter Beintrexler
                                          Title: President

                                       By: /s/ ASTRID WILKE
                                          --------------------------------------
                                          Name:  Astrid Wilke
                                          Title: Vice President

                                       SUMITOMO MITSUI BANKING CORPORATION

                                       By: /s/ DAVID A. BUCK
                                          --------------------------------------
                                          Name:  David A. Buck
                                          Title: Senior Vice President

<PAGE>

                                       TORONTO DOMINION (TEXAS), INC.

                                       By:
                                          --------------------------------------
                                          Name:
                                          Title:

                                       U.S. BANK NATIONAL ASSOCIATION

                                       By:   /s/ M. WARD POLZIN
                                          --------------------------------------
                                          Name:  M. Ward Polzin
                                          Title: Vice President

                                       WASHINGTON MUTUAL BANK, FA

                                       By:   /s/ MARK M. ISENSEE
                                          --------------------------------------
                                          Name:  Mark M. Isensee
                                          Title: Vice President

                                       CREDIT LYONNAIS NEW YORK BRANCH

                                       By:   /s/ BERNARD WEYMULLER
                                          --------------------------------------
                                          Name:  Bernard Weymuller
                                          Title: Senior Vice President

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00032-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00032-of-00352.parquet"}]]