Document:

<PAGE>   1

                                                                   Exhibit 10.58

J Andress Series C No. W02
Execution Copy

     SUPPLEMENTAL AGREEMENT NO. 1 TO WARNER CHILCOTT PUBLIC LIMITED COMPANY
                               WARRANT CERTIFICATE

            WHEREAS, James Andress (the "Warrant Holder") is the holder of
certain warrants (the "Warrants") of Warner Chilcott Public Limited Company
("WC") as set forth in a certificate NUMBERED SERIES C NO.W02 (the "Warrant
Certificate");

            WHEREAS, on September 29, 2000 WC and Galen Holdings PLC ("Galen"),
consummated a change of control transaction (the "Acquisition") by means of a
scheme of arrangement under the laws of the Republic of Ireland (the "Scheme")
whereby Galen exchanged all of the outstanding securities of WC for ordinary
shares in Galen; and

            WHEREAS, unless otherwise defined herein, capitalized terms used
herein will have the meanings set forth in the Warrant Certificate.

            NOW THEREFORE, the parties agree as follows:

            1. Change in Number and Purchase Price of Warrants. Under the
Scheme, holders of warrants to purchase WC's American Depository Receipts
("ADR's"), evidencing WC's American Depository Shares ("ADS's") will, upon
exercise, receive ordinary shares of Warner Chilcott, each of which will
immediately be exchanged pursuant to the Scheme for 2.5 ordinary shares of
Galen, to be held in the form of Galen ADR's evidencing Galen ADS's. Each Galen
ADS currently represents four Galen ordinary shares. As a result, (a) each
holder of warrants to purchase WC ADR's will, upon such exercise and immediate
exchange, receive 0.625 Galen ADR's for each WC ADR, with fractions of ADR's
being rounded as appropriate, and (b) the effective purchase price for these
Galen ADR's shall be derived by dividing the Purchase Price of WC ADR's by
0.625. Therefore, the Warrant Certificate will hereinafter have the effect of
entitling the Warrant Holder to purchase 62,500 Galen ADR's at a purchase price
of $1.60.

            2. Net Exercise. The following language shall be added to the end of
Section 2(e) of the Warrant Certificate:

            "IN LIEU OF PAYMENT OF THE PURCHASE PRICE AS SET FORTH IN THE FIRST
            SENTENCE OF THIS SECTION 2(e), THE WARRANT HOLDER MAY EXERCISE THIS
            WARRANT BY DELIVERING A NOTICE OF NET EXERCISE IN THE FORM OF
            EXHIBIT A HERETO ELECTING TO RECEIVE, WITHOUT CASH PAYMENT BY THE
            WARRANT HOLDER OF ANY ADDITIONAL CONSIDERATION, ORDINARY SHARES THAT
            WILL IMMEDIATELY BE EXCHANGED FOR GALEN ADR'S EQUAL TO THE VALUE OF
            THE WARRANTS (OR THE PORTION THEREOF BEING CANCELED) BY SURRENDER OF
            THIS WARRANT CERTIFICATE TOGETHER WITH THE FORM OF NET EXERCISE
            (ATTACHED HERETO AS EXHIBIT A) DULY EXECUTED, IN WHICH EVENT THE
            COMPANY SHALL ISSUE TO THE WARRANT HOLDER HEREOF (UPON THE IMMEDIATE
            EXCHANGE OF
<PAGE>   2
J Andress Series C No. W02
Execution Copy

            ORDINARY SHARES PURSUANT TO THE SCHEME) A NUMBER GALEN ADR'S
            COMPUTED USING THE FOLLOWING FORMULA:

                                        X= Y (A-B)
                                           -------
                                              A

            WHERE:      X=THE NUMBER OF GALEN ADR'S TO BE ISSUED TO THE
                        WARRANT HOLDER PURSUANT TO THIS NET EXERCISE;

                        Y= THE NUMBER OF GALEN ADR'S IN RESPECT OF WHICH THE
                        NET ISSUE ELECTION IS MADE;

                        A= THE FAIR MARKET VALUE OF ONE GALEN ADR AT THE TIME
                        THE NET ISSUE ELECTION IS MADE; AND

                        B= THE PURCHASE PRICE (AS ADJUSTED TO THE DATE OF THE
                        NET ISSUANCE) DIVIDED BY 0.625.

            FOR PURPOSES OF THIS SECTION 2(e), THE FAIR MARKET VALUE OF ONE
            GALEN ADR AS OF A PARTICULAR DATE SHALL BE DETERMINED BY USING THE
            AVERAGE OF THE CLOSING PRICES OF THE GALEN ADR'S TRADED ON THE
            NASDAQ NATIONAL MARKET (OR ANY SUCCESSOR UNITED STATES NATIONAL
            MARKET THE GALEN ADR'S TRADE ON) OVER THE TWENTY (20) DAY PERIOD
            ENDING THREE (3) DAYS PRIOR TO THE NET EXERCISE ELECTION."

            3. Deposit Agreement. The reference to "Deposit Agreement" in
Section 3 of the Warrant Certificate shall be amended so that it refers instead
to the Amended and Restated Deposit Agreement among WC, Galen and The Bank of
New York as Depositary, dated September 29, 2000.
<PAGE>   3
J Andress Series C No. W02
Execution Copy

            IN WITNESS WHEREOF, the Company and James Andress have caused this
Supplemental Agreement No. 1 to be signed by their duly authorized signatories
and to be dated as of September 29, 2000.

WARNER CHILCOTT PUBLIC LIMITED COMPANY

By: /s/ Paul Herendeen
    -------------------------------
Name:  Paul Herendeen
Title: Executive Vice President and Chief Financial Officer

James Andress

By: /s/ James Andress
    -------------------------------
Print Name: James Andress
<PAGE>   4
J Andress Series C No. W02
Execution Copy

EXHIBIT A

                             Notice of Net Exercise

            The undersigned ______________________________________, pursuant to
the provisions of the Warrant Certificate, hereby elects to exchange its Warrant
pursuant to Section 2(e) of the Warrant Certificate.

Dated:________________

Signature:____________________________
Name of Holder (Print):
Title:
Address:<PAGE>   1

                                                                     Exhibit 4.3

                                     [LOGO]

--------------------------------------------------------------------------------
          Book-Entry-Only Collateralized Mortgage Obligations (CMOs)--
             Without Owner Option to Redeem/Pass-Through Securities/
                           and Asset-Backed Securities

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

                            Letter of Representations
                      [To be Completed by Issuer and Agent]

                        PPL Montana, LLC
                        -----------------------------------
                                [Name of Issuer]

                        The Chase Manhattan Bank
                        -----------------------------------
                                [Name of Agent]

                                                             July 20, 2000
                                                        ------------------------
                                                                 [Date]

Attention: General Counsel's Office
The Depository Trust Company
55 Water Street 49th Floor
New York, NY 10041-0099

                Re: 8.903% Pass Through Certificates due 2020, representing
                    ------------------------------------------------------------
                    interests in a pass through trust
                    ------------------------------------------------------------

----------------------------------------- [Issue description (the "Securities")]

Ladies and Gentlemen:

      This letter sets forth our understanding with respect to certain matters
relating to the Securities. Agent shall act as trustee, paying agent, fiscal
agent, or other such agent of Issuer with respect to the Securities. The
Securities have been issued pursuant to a trust indenture, trust agreement,
pooling and servicing agreement or other such document authorizing the issuance
of the Securities dated July 20, 2000 (the "Document").

                                                  Chase Securities Inc.
                                            ------------------------------------
                                            ["Underwriter/Placement Agent"]

<PAGE>   2

is distributing the Securities through The Depository Trust Company ("DTC").

      To induce DTC to accept the Securities as eligible for deposit at DTC, and
to act in accordance with its Rules with respect to the Securities, Issuer and
Agent make the following representations to DTC:

      1. Prior to closing on the Securities on July 20, 2000 there shall be
deposited with DTC one or more Security certificates registered in the name of
DTC's nominee, Cede & Co., for each stated maturity of the Securities in the
face amounts set forth on Schedule A hereto, the total of which represents 100%
of the principal amount of such Securities. If, however, the aggregate principal
amount of any maturity exceeds $400 million, one certificate shall be issued
with respect to each $400 million of principal amount and an additional
certificate shall be issued with respect to any remaining principal amount. Each
Security certificate shall bear the following legend:

            Unless this certificate is presented by an authorized
      representative of The Depository Trust Company, a New York
      corporation ("DTC"), to Issuer or its agent for registration of
      transfer, exchange, or payment, and any certificate issued is
      registered in the name of Cede & Co. or in such other name as is
      requested by an authorized representative of DTC (and any payment is
      made to Cede & Co. or to such other entity as is requested by an
      authorized representative of DTC), ANY TRANSFER, PLEDGE, OR OTHER
      USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL
      inasmuch as the registered owner hereof, Cede & Co., has an interest
      herein.

Issuer represents: [Note: issuer must represent one of the following, and shall
cross out the other.]

      [The Security certificate(s) shall remain in Agent's custody as a "Balance
Certificate" subject to the provisions of the Balance Certificate Agreement
between Agent and DTC currently in effect.

      On each day on which Agent is open for business and on which it receives
an instruction originated by a DTC participant ("Participant") through DTC's
Deposit/Withdrawal at Custodian ("DWAC") system to increase the Participant's
account by a specified number of Securities (a "Deposit Instruction"), Agent
shall, no later than 6:30 p.m. (Eastern Time) that day, either approve or cancel
the Deposit Instruction through the DWAC system.

      On each day on which Agent is open for business and on which it receives
an instruction originated by Participant through the DWAC system to decrease the
Participant's account by a specified number of Securities (a "Withdrawal
Instruction"), Agent shall, no later than 6:30 p.m. (Eastern Time) that day,
either approve or cancel the Withdrawal Instruction through the DWAC system.

                                      -2-
<PAGE>   3

      Agent agrees that its approval of a Deposit or Withdrawal Instruction
shall be deemed to be the receipt by DTC of a new reissued or reregistered
certificated Security on registration of transfer to the name of Cede & Co. for
the quantity of Securities evidenced by the Balance Certificate after the
Deposit or Withdrawal Instruction is effected.]

      2. Issuer: (a) understands that DTC has no obligation to, and will not,
communicate to its Participants or to any person having an interest in the
Securities any information contained in the Security certificate(s); and (b)
acknowledges that neither DTC's Participants nor any person having an interest
in the Securities shall be deemed to have notice of the provisions of the
Security certificates by virtue of submission of such certificate(s) to DTC.

      3. In the event of any solicitation of consents from or voting by holders
of the Securities, Issuer or Agent shall establish a record date for such
purposes (with no provision for revocation of consents or votes by subsequent
holders) and shall send notice of such record date to DTC no fewer than 15
calendar days in advance of such record date. Notices to DTC pursuant to this
Paragraph by telecopy shall be directed to DTC's Reorganization Department,
Proxy Unit at (212) 855-5181 or (212) 855-5182. If the party sending the notice
does not receive a telecopy receipt from DTC confirming that the notice has been
received, such party shall telephone (212) 855-5202. Notices to DTC pursuant to
this Paragraph, by mail or by any other means, shall be sent to:

                          Supervisor, Proxy Unit
                          Reorganization Department
                          The Depository Trust Company
                          55 Water Street 50th Floor
                          New York, NY 10041-0099

      4. In the event of a full or partial redemption, Issuer or Agent shall
send a notice to DTC specifying: (a) the amount of the redemption or refunding;
(b) in the case of a refunding, the maturity date(s) established under the
refunding; and (c) the date such notice is to be distributed to Security holders
(the "Publication Date"). Such notice shall be sent to DTC by a secure means
(e.g., legible telecopy, registered or certified mail, overnight delivery) in a
timely manner designed to assure that such notice is in DTC's possession no
later than the close of business on the business day before or, if possible, two
business days before the Publication Date. Issuer or Agent shall forward such
notice either in a separate secure transmission for each CUSIP number or in a
secure transmission for multiple CUSIP numbers (if applicable) which includes a
manifest or list of each CUSIP number submitted in that transmission. (The party
sending such notice shall have a method to verify subsequently the use of such
means and the timeliness of such notice.) The Publication Date shall be no fewer
than 30 days nor more than 60 days prior to the redemption date or, in the case
of an advance refunding, the date that the proceeds are deposited in escrow.
Notices to DTC pursuant to this Paragraph by telecopy shall be directed to DTC's
Call Notification Department at (516) 227-4164 or (516) 227-4190. If the party
sending the notice does not receive a telecopy receipt from DTC confirming that
the notice has been received, such party shall telephone (516) 227-4070. Notices
to DTC pursuant to this Paragraph, by mail or by any other means, shall be sent
to:

                                      -3-
<PAGE>   4

                      Manager, Call Notification Department
                      The Depository Trust Company
                      711 Stewart Avenue
                      Garden City, NY 11530-4719

      5. In the event of an invitation to tender the Securities (including
mandatory tenders, exchanges, and capital changes), notice by Issuer or Agent to
Security holders shall be sent to DTC specifying the terms of the tender and the
Publication Date of such notice. Such notice shall be sent to DTC by a secure
means (e.g., legible telecopy, registered or certified mail, overnight delivery)
in a timely manner designed to assure that such notice is in DTC's possession no
later than the close of business on the business day before or, if possible, two
business days before the Publication Date. Issuer or Agent shall forward such
notice either in a separate secure transmission for each CUSIP number or in a
secure transmission for multiple CUSIP numbers (if applicable) which includes a
manifest or list of each CUSIP number submitted in that transmission. (The party
sending such notice shall have a method to verify subsequently the use and
timeliness of such notice.) Notices to DTC pursuant to this Paragraph and
notices of other corporate actions by telecopy shall be directed to DTC's
Reorganization Department at (212) 855-5488. If the party sending the notice
does not receive a telecopy receipt from DTC confirming that the notice has been
received, such party shall telephone (212) 855-5290. Notices to DTC pursuant to
this Paragraph, by mail or by any other means, shall be sent to:

                      Manager, Reorganization Department
                      Reorganization Window
                      The Depository Trust Company
                      55 Water Street 50th Floor
                      New York, NY 10041-0099

      6. It is understood that if the Security holders shall at any time have
the right to tender the Securities to Issuer and require that Issuer repurchase
such holders' Securities pursuant to the Document and Cede & Co., as nominee of
DTC, or its registered assigns, as the record owner, is entitled to tender the
Securities, such tenders will be effected by means of DTC's Repayment Option
Procedures. Under the Repayment Option Procedures, DTC shall receive, during the
applicable tender period, instructions from its Participants to tender
Securities for purchase. Issuer and Agent agree that such tender for purchase
may be made by DTC by means of a book-entry credit of such Securities to the
account of Agent, provided that such credit is made on or before the final day
of the applicable tender period. DTC agrees that promptly after the recording of
any such book-entry credit, it will provide to Agent an Agent Receipt and
Confirmation or the equivalent, in accordance with the Repayment Option
Procedures, identifying the Securities and the aggregate principal amount
thereof as to which such tender for purchase has been made.

      Agent shall send DTC notice regarding such optional tender by hand or by a
secure means (e.g., legible facsimile transmission, registered or certified
mail, overnight delivery) in a timely manner designed to assure that such notice
is in DTC's possession no later than the close of business two business days
before the Publication Date. The Publication Date shall be no fewer than 15 days
prior to the expiration date of the applicable tender period. Such notice shall
state whether any partial redemption of the Securities is scheduled to occur
during the applicable optional tender

                                      -4-
<PAGE>   5

period. Notices to DTC pursuant to this Paragraph by telecopy shall be directed
to DTC's Put Bond Unit at (212) 855-5235. If the party sending the notice does
not receive a telecopy receipt from DTC confirming that the notice has been
received, such party shall telephone (212) 855-5230. Notices to DTC pursuant to
this Paragraph, by mail or by any other means, shall be sent to:

                      Supervisor, Put Bond Unit
                      Reorganization Department
                      The Depository Trust Company
                      55 Water Street 50th Floor
                      New York, NY 10041-0099

      7. All notices and payment advices sent to DTC shall contain the CUSIP
number of the Securities.

      8. Issuer or Agent shall send DTC written notice with respect to the
dollar amount per $1,000 original face value (or other minimum authorized
denomination if less than $1,000 face value) payable on each payment date
allocated as to the interest and principal portions thereof preferably five, but
no fewer than two, business days prior to such payment date. Such notices, which
shall also contain the current pool factor, any special adjustments to
principal/interest rates (e.g., adjustments due to deferred interest or
shortfall), and Agent contact's name and telephone number, shall be sent by
telecopy to DTC's Dividend Department at (212) 855-4555, and receipt of such
notices shall be confirmed by telephoning (212) 855-4550. Notices to DTC,
pursuant to this Paragraph, by mail or by any other means, shall be sent to:

                      Manager, Announcements
                      Dividend Department
                      The Depository Trust Company
                      55 Water Street 25th Floor
                      New York, NY 10041-0099

      9. Issuer represents: [Note: Issuer must represent one of the following,
and shall cross out the other.] [The interest accrual period is payment date to
payment date.]

      10. Issuer or Agent shall provide a written notice of interest payment
information, including the stated coupon rate information, to DTC as soon as the
information is available. Issuer or Agent shall provide such notice directly to
DTC electronically, as previously arranged by Issuer or Agent and DTC. If
electronic transmission has not been arranged, absent any other arrangements
between Issuer or Agent and DTC, such information shall be sent by telecopy to
DTC's Dividend Department at (212) 855-4555 or (212) 855-4556. If the party
sending the notice does not receive a telecopy receipt from DTC confirming that
the notice has been received, such party shall telephone (212) 855-4550. Notices
to DTC pursuant to this Paragraph, by mail or by any other means, shall be sent
to DTC's Dividend Department as indicated in Paragraph 8.

                                      -5-
<PAGE>   6

      11. Interest payments and principal payments that are part of periodic
principal-and-interest payments shall be received by Cede & Co., as nominee of
DTC, or its registered assigns, in same-day funds no later than 2:30 p.m.
(Eastern Time) on each payment date. Issuer shall remit by 1:00 p.m. (Eastern
Time) on the payment date all such interest payments due Agent, or at such
earlier time as may be required by Agent to guarantee that DTC shall receive
payment in same-day funds no later than 2:30 p.m. (Eastern Time) on the payment
date. Absent any other arrangements between Issuer or Agent and DTC, such funds
shall be wired to the Dividend Deposit Account number that will be stamped on
the signature page hereof at the time DTC executes this Letter of
Representations.

      12. Issuer or Agent shall provide DTC's Dividend Department, no later than
12:00 noon (Eastern Time) on the payment date, automated notification of
CUSIP-level detail. If the circumstances prevent the funds paid to DTC from
equaling the dollar amount associated with the detail payments by 12:00 noon
(Eastern Time), Issuer or Agent must provide CUSIP-level reconciliation to DTC
no later than 2:30 p.m. (Eastern Time). Reconciliation must be provided by
either automated means or written format. Such reconciliation notice, if sent by
telecopy, shall be directed to DTC Dividend Department at (212) 855-4633 and
receipt of such reconciliation notice shall be confirmed by telephoning (212)
855-4430.

      13. Maturity and redemption payments allocated with respect to each CUSIP
number shall be received by Cede & Co., as nominee of DTC, or its registered
assigns, in same-day funds no later than 2:30 p.m. (Eastern Time) on the payment
date. Issuer shall remit by 1:00 p.m. (Eastern Time) on the payment date all
such maturity and redemption payments due Agent, or at such earlier time as
required by Agent to guarantee that DTC shall receive payment in same-day funds
no later than 2:30 p.m. (Eastern Time) on the payment date. Absent any other
arrangements between issuer or Agent and DTC, such funds shall be wired to the
Redemption Deposit Account number that will be stamped on the signature page
hereof at the time DTC executes this Letter of Representations.

      14. Principal payments (plus accrued interest, if any) as the result of
optional tenders for purchase effected by means of DTC's Repayment Option
Procedures shall be received by Cede & Co., as nominee of DTC, or its registered
assigns, in same-day funds no later than 2:30 p.m. (Eastern Time) on the payment
date. Issuer shall remit by 1:00 p.m. (Eastern Time) on the payment date all
such reorganization payments due Agent, or at such earlier time as required by
Agent to guarantee that DTC shall receive payment in same-day funds no later
than 2:30 p.m. (Eastern Time) on the payment date. Absent any other arrangements
between Issuer or Agent and DTC, such funds shall be wired to the Reorganization
Deposit Account number that will be stamped on the signature page hereof at the
time DTC executes this Letter of Representations.

      15. Agent shall send DTC all periodic certificate holders remittance
reports with respect to the Securities. If sent by facsimile transmission, such
reports shall be sent to (212) 855-4777. If the party sending the report does
not receive a telecopy receipt from DTC confirming that the notice has been
received, such party shall telephone (212) 855-4590.

      16. DTC may direct Issuer or Agent to use any other number or address as
the number or address to which notices or payments of interest or principal may
be sent.

                                      -6-
<PAGE>   7

      17. In the event of a redemption, acceleration, or any other similar
transaction (e.g., tender made and accepted in response to Issuer's or Agent's
invitation) necessitating a reduction in the aggregate principal amount of
Securities outstanding or an advance refunding of part of the Securities
outstanding, DTC, in its discretion: (a) may request Issuer or Agent to issue
and authenticate a new Security certificate; or (b) may make an appropriate
notation on the Security certificate indicating the date and amount of such
reduction in principal except in the case of final maturity, in which case the
certificate will be presented to Issuer or Agent prior to payment, if required

      18. In the event that Issuer determines that beneficial owners of
Securities shall be able to obtain certificated Securities, Issuer or Agent
shall notify DTC of the availability of certificates. In such event, Issuer or
Agent shall issue, transfer, and exchange certificates in appropriate amounts,
as required by DTC and others.

      19. DTC may discontinue providing its services as securities depository
with respect to the Securities at any time by giving reasonable notice to
Issuer or Agent (at which time DTC will confirm with Issuer or Agent the
aggregate principal amount of Securities outstanding). Under such circumstances,
at DTC's request Issuer and Agent shall cooperate fully with DTC by taking
appropriate action to make available one or more separate certificates
evidencing Securities to any Participant having Securities credited to its DTC
accounts.

      20. Nothing herein shall be deemed to require Agent to advance funds on
behalf of Issuer.

      21. This Letter of Representations may be executed in any number of
counterparts, each of which when so executed shall be deemed to be an original,
but all such counterparts together shall constitute but one and the same
instrument.

      22. This Letter of Representations shall be governed by, and construed in
accordance with, the laws of the State of New York, without giving effect to
principles of conflicts of law.

      23. The sender of each notice delivered to DTC pursuant to this Letter of
Representations is responsible for confirming that such notice was properly
received by DTC.

      24. Issuer recognizes that DTC does not in any way undertake to, and shall
not have any responsibility to, monitor or ascertain the compliance of any
transactions in the Securities with the following, as amended from time to time:
(a) any exemptions from registration under the Securities Act of 1933; (b) the
Investment Company Act of 1940; (c) the Employee Retirement Income Security Act
of 1974; (d) the Internal Revenue Code of 1986; (e) any rules of any self
regulatory organizations (as defined under the Securities Exchange Act of 1934);
or (f) any other local, state, or federal laws or regulations thereunder.

      25. Issuer hereby authorizes DTC to provide to Agent listings of
Participants' holdings, known as Securities Position Listings ("SPLs") with
respect to the Securities from time to time at the request of the Agent. DTC
charges a fee for such SPLs. This authorization, unless revoked by Issuer, shall
continue with respect to the Securities while any Securities are on deposit

                                      -7-
<PAGE>   8

at DTC, until and unless Agent shall no longer be acting. In such event, Issuer
shall provide DTC with similar evidence, satisfactory to DTC, of the
authorization of any successor thereto so to act. Requests for SPLs shall be
sent by telecopy to the Proxy Unit of DTC's Reorganization Department at (212)
855-5181 or (212) 855-5182. Receipt of such requests shall be confirmed by
telephoning (212) 855-5202. Requests for SPLs, sent by mail or by any other
means, shall be directed to the address indicated in Paragraph 3.

      26. Issuer and Agent shall comply with the applicable requirements stated
in DTC's Operational Arrangements, as they may be amended from time to time.
DTC's Operational Arrangements are posted on DTC's website at "www.DTC.org."

      27. The following rider(s), attached hereto, are hereby incorporated into
this Letter of Representations:

Representations for Securities Eligible for Transfer pursuant to Regulation S
where Issuer has requested a Temporary "Chill" on Deliver Orders;
Representations for Rule 144A Securities.

                                      -8-
<PAGE>   9

Notes:

A. If there is an Agent (as defined in this Letter of Representations), Agent as
well as Issuer must sign this Letter. If there is no Agent, in signing this
Letter Issuer itself undertakes to perform all of the obligations set forth
herein.

B. Schedule B contains statements that DTC believes accurately describe DTC, the
method of effecting book-entry transfers of securities distributed through DTC,
and certain related matters.

                                        Very truly yours,

                                        PPL Montana, LLC
                                        ----------------------------------------
                                                        [Issuer]

                                        By: [Illegible]
                                            ------------------------------------
                                              [Authorized Officer's Signature]

                                        The Chase Manhattan Bank
                                        ----------------------------------------
                                                        [Agent]

                                        By: [Illegible]
                                            ------------------------------------
                                              [Authorized Officer's Signature]

Received and Accepted:
THE DEPOSITORY TRUST COMPANY

By: [Illegible]
    -----------------------------

Funds should be wired to:

The Chase Manhattan Bank
ABA # 021 000 021
For credit to a/c Cede & Co.
c/o The Depository Trust Company

[Select Appropriate Account.]

Dividend Deposit Account # 066-026776

Redemption Deposit Account # 066-027306

Reorganization Deposit Account # 066-027608

cc:   Underwriter/Placement Agent
      Underwriter's/Placement Agent's Counsel

                                      -9-
<PAGE>   10

                                                                      SCHEDULE A

             PPL Montana LLC, 8.903% Pass Through Certificates due
             2020, representing interests in a pass through trust
            -------------------------------------------------------
                   [Describe Issue, Including Issuer's Name]

<TABLE>
<CAPTION>
CUSIP Number    Principal Amount      Maturity Date       Interest Rate
------------    ----------------      -------------       -------------
<S>             <C>                   <C>                 <C>
69352BAA2       $338,000,000          July 2, 2020        8.903%
U69387AA3       $          0          July 2, 2020        8.903%
69352BAB0       $          0          July 2, 2020        8.903%
</TABLE>

                                      -10-
<PAGE>   11

                                                                      SCHEDULE B

                        SAMPLE OFFERING DOCUMENT LANGUAGE
                       DESCRIBING BOOK-ENTRY-ONLY ISSUANCE
 (Prepared by DTC--bracketed material may be applicable only to certain issues)

      1. The Depository Trust Company ("DTC"), New York, NY, will act as
securities depository for the securities (the "Securities"). The Securities will
be issued as fully-registered securities registered in the name of Cede & Co.
(DTC's partnership nominee) or such other name as may be requested by an
authorized representative of DTC. One fully-registered Security certificate will
be issued for [each issue of] the Securities, [each] in the aggregate principal
amount of such issue, and will be deposited with DTC. [If however, the aggregate
principal amount of [any] issue exceeds $400 million, one certificate will be
issued with respect to each $400 million of principal amount and an additional
certificate will be issued with respect to any remaining principal amount of
such issue.]

      2. DTC is a limited-purpose trust company organized under the New York
Banking Law, a "banking organization" within the meaning of the New York Banking
Law, a member of the Federal Reserve System, a "clearing corporation" within the
meaning of the New York Uniform Commercial Code, and a "clearing agency"
registered pursuant to the provisions of Section 17A of the Securities Exchange
Act of 1934. DTC holds securities that its participants ("Direct Participants")
deposit with DTC. DTC also facilitates the settlement among Direct Participants
of securities transactions, such as transfers and pledges, in deposited
securities through electronic computerized book-entry changes in Direct
Participants' accounts, thereby eliminating the need for physical movement of
securities certificates. Direct Participants include securities brokers and
dealers, banks, trust companies, clearing corporations, and certain other
organizations. DTC is owned by a number of its Direct Participants and by the
New York Stock Exchange, Inc., the American Stock Exchange LLC, and the National
Association of Securities Dealers, Inc. Access to the DTC system is also
available to others such as securities brokers and dealers, banks, and trust
companies that clear through or maintain a custodial relationship with a Direct
Participant, either directly or indirectly ("Indirect Participants"). The Rules
applicable to DTC and its Direct and Indirect Participants are on file with the
Securities and Exchange Commission.

      3. Purchases of Securities under the DTC system must be made by or through
Direct Participants, which will receive a credit for the Securities on DTC's
records. The ownership interest of each actual purchaser of each Security
("Beneficial Owner") is in turn to be recorded on the Direct and Indirect
Participants' records. Beneficial Owners will not receive written confirmation
from DTC of their purchase, but Beneficial Owners are expected to receive
written confirmations providing details of the transaction, as well as periodic
statements of their holdings, from the Direct or Indirect Participant through
which the Beneficial Owner entered into the transaction. Transfers of ownership
interests in the Securities are to be accomplished by entries made on the books
of Direct and Indirect Participants acting on behalf of Beneficial Owners.
Beneficial Owners will not receive certificates representing their ownership
interests in Securities, except in the event that use of the book-entry system
for the Securities is discontinued.

                                      -11-
<PAGE>   12

      4. To facilitate subsequent transfers, all Securities deposited by Direct
Participants with DTC are registered in the name of DTC's partnership nominee.
Cede & Co. or such other name as may be requested by an authorized
representative of DTC. The deposit of Securities with DTC and their registration
in the name of Cede & Co. or such other nominee do not effect any chance in
beneficial ownership. DTC has no knowledge of the actual Beneficial Owners of
the Securities: DTC's records reflect only the identity of the Direct
Participants to whose accounts such Securities are credited, which may or may
not be the Beneficial Owners. The Direct and Indirect Participants will remain
responsible for keeping account of their holdings on behalf of their customers.

      5. Conveyance of notices and other communications by DTC to Direct
Participants, by Direct Participants to Indirect Participants, and by Direct
Participants and Indirect Participants to Beneficial Owners will be governed by
arrangements among them, subject to any statutory or regulatory requirements as
may be in effect from time to time. [Beneficial Owners of Securities may wish to
take certain steps to augment transmission to them of notices of significant
events with respect to the Securities, such as redemptions, tenders, defaults,
and proposed amendments to the security documents. Beneficial Owners of
Securities may wish to ascertain that the nominee holding the Securities for
their benefit has agreed to obtain and transmit notices to Beneficial Owners, or
in the alternative, Beneficial Owners may wish to provide their names and
addresses to the registrar and request that copies of the notices be provided
directly to them.

      [6. Redemption notices shall be sent to DTC, If less than all of the
Securities within an issue are being redeemed. DTC's practice is to determine
by lot the amount of the interest of each Direct Participant in such issue to
be redeemed.]

      7. Neither DTC nor Cede & Co. (nor such other DTC nominee) will consent or
vote with respect to the Securities. Under its usual procedures, DTC mails an
Omnibus Proxy to Issuer as soon as possible after the record date. The Omnibus
Proxy assigns Cede & Co.'s consenting to voting rights to those Direct
Participants to whose accounts the Securities are credited on the record date
(identified in a listing attached to the Omnibus Proxy).

      8. Redemption proceeds, distributions, and dividend payments on the
Securities will be made to Cede & Co., or such other nominee as may be requested
by an authorized representative of DTC. DTC's practice is to credit Direct
Participants' accounts, upon DTC's receipt of funds and corresponding detail
information from Issuer or Agent on payable date in accordance with their
respective holdings shown on DTC's records. Payments by Participants to
Beneficial Owners will be governed by standing instructions and customary
practices, as is the case with securities held for the accounts of customers in
bearer form or registered in "street name," and will be the responsibility of
such Participant and not of DTC, Agent, or Issuer, subject to any statutory or
regulatory requirements as may be in effect from time to time. Payment of
redemption proceeds, distributions, and dividends to Cede & Co. (or such other
nominee as may be requested by an authorized representative of DTC) is the
responsibility of Issuer or Agent, disbursement of such payments to Direct
Participants shall be the responsibility of DTC, and disbursement of such
payments to the Beneficial Owners shall be the responsibility of Direct and
Indirect Participants.

                                      -12-
<PAGE>   13

      [9. A Beneficial Owner shall give notice to elect to have its Securities
purchased of tendered, through its Participant, to [Tender/Remarketing] Agent,
and shall effect delivery of such Securities by causing the Direct Participant
to transfer the Participant's interest in the Securities, on DTC's records, to
[Tender/Remarketing] Agent. The requirement for physical delivery of Securities
in connection with an optional tender or a mandatory purchase will be deemed
satisfied when the ownership rights in the Securities are transferred by Direct
Participants on DTC's records and followed by a book-entry credit of tendered
Securities to [Tender/Remarketing] Agent's DTC account.]

      10. DTC may discontinue providing its services as securities depository
with respect to the Securities at any time by giving reasonable notice to
Issuer or Agent. Under such circumstances, in the event that a successor
securities depository is not obtained, Security certificates are required to be
printed and delivered.

      11. Issuer may decide to discontinue use of the system of book-entry
transfers through DTC (or a successor securities depository). In that event,
Security certificates will be printed and delivered.

      12. The information in this section concerning DTC and DTC's book-entry
system has been obtained from sources that Issuer believes to be reliable, but
Issuer takes no responsibility for the accuracy thereof.

                                      -13-
<PAGE>   14

                                     [LOGO]

                   Representations for Rule 144A Securities--
                 to be included in DTC Letter of Representations

      1. Issuer represents that at the time of initial registration in the name
of DTC's nominee, Cede & Co., the Securities were Legally or Contractually
Restricted Securities,(1) eligible for transfer under Rule 144A under the
Securities Act of 1933, as amended (the "Securities Act"), and identified by a
CUSIP or CINS number assigned to any securities of the same class that were not
Legally or Contractually Restricted Securities. Issuer shall ensure that a CUSIP
or CINS identification number is obtained for all unrestricted securities of the
same class that is different from any CUSIP or CINS identification number
assigned to a Legally or Contractually Restricted Security of such class, and
shall notify DTC promptly in the event that it is unable to do so. Issuer
represents that it has a creed to comply with all applicable information
requirements of Rule 144A.

      2. Issuer represents that the Securities are: [Note: Issuer must represent
one of the following, and shall cross out the other.]

[an issue of nonconvertible debt securities or nonconvertible preferred stock
which is rated in one of the top four categories by a nationally recognized
statistical rating organization ("Investment Grade Securities").]

      3. If the Securities are not Investment-Grade Securities, Issuer and Agent
acknowledge that if such Securities cease to be included in an SRO Rule 144A
System during any period in which such Securities are Legally or Contractually
Restricted Securities, such Securities shall no longer be eligible for DTC's
services. Furthermore, DTC may discontinue providing its services as securities
depository with respect to the Securities at any time by giving reasonable
notice to Issuer or Agent. Under any of the aforementioned circumstances, at
DTC's request, Issuer and Agent shall cooperate fully with DTC by taking
appropriate action to make available one or more separate certificates
evidencing Securities to any DTC Participant ("Participant") having Securities
credited to its DTC accounts.

      4. Issuer and Agent acknowledge that, so long as Cede & Co. is a record
owner of the Securities, Cede & Co. shall be entitled to all applicable voting
rights and receive the full amount of all distributions payable with respect
thereto. Issuer and Agent acknowledge that DTC shall treat any Participant
having Securities credited to its DTC accounts as entitled to the full benefits
of ownership of such Securities.

-----------------------------
      (1) A "Legally Restricted Security" is a security that is a restricted
security, as defined in Rule 144(a)(3). A "Contractually Restricted Security" is
a security that upon issuance and continually thereafter can only be sold
pursuant to Regulation S under the Securities Act, Rule 144A, Rule 144, or in a
transaction exempt from the registration requirements of the Securities Act
pursuant to Section 4 of the Securities Act and not involving any public
offering; provided, however, that once the security is sold pursuant to the
provisions of Rule 144, including Rule 144(k), it will thereby cease to be a
"Contractually Restricted Security." For purposes of this definition, in order
for a depositary receipt to be considered a "Legally or Contractually Restricted
Security," the underlying security must also be a "Legally or Contractually
Restricted Security."

<PAGE>   15

Without limiting the generality of the preceding sentence, Issuer and Agent
acknowledge that DTC shall treat any Participant having Securities credited to
its DTC accounts as entitled to receive distributions (and voting rights, if
any) in respect of the Securities, and to receive from DTC certificates
evidencing Securities. Issuer and Agent recognize that DTC does not in any way
undertake to, and shall not have any responsibility to, monitor or ascertain the
compliance of any transactions in the Securities with any of the provisions: (a)
of Rule 144A; (b) of other exemptions from restriction under the Securities Act
or any other state or federal securities laws; or (c) of the offering documents.

                                       -2-

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