Document:

<PAGE>

                                                                    EXHIBIT 10.1

                                                                  EXECUTION COPY

                                 $600,000,000

                             EDISON MISSION ENERGY

                     7.73% Senior Notes due June 15, 2009

                         REGISTRATION RIGHTS AGREEMENT
                         -----------------------------

                                                                   June 23, 1999

CREDIT SUISSE FIRST BOSTON CORPORATION
LEHMAN BROTHERS INC.
SG COWEN SECURITIES CORP.
c/o Credit Suisse First Boston Corporation
Eleven Madison Avenue
New York, New York 10010-3629

Dear Sirs:

          In connection with the issue and sale of $600 million in aggregate
principal amount of 7.73% Senior Notes due June 15, 2009 (the "Initial Notes")
                                                               -------------
issued by Edison Mission Energy, a California corporation (the "Company"),
                                                                -------
pursuant to the terms of the Indenture (as defined below) and as an inducement
to Credit Suisse First Boston Corporation, Lehman Brothers Inc. and SG Cowen
Securities Corp. (the "Initial Purchasers") to enter into the Purchase
                       ------------------
Agreement, dated June 23, 1999 (the "Purchase Agreement"), among the Company and
                                     ------------------
the Initial Purchasers, the Company hereby agrees to provide the registration
rights set forth in this Registration Rights Agreement (this "Agreement") for
                                                              ---------
the benefit of the holders of the Initial Notes.  The execution of this
Agreement is a condition to the purchase of the Initial Notes under the Purchase
Agreement.

          SECTION 1. Definitions.  Capitalized terms used herein without
                     -----------
definition shall have the respective meanings ascribed thereto, whether
expressly or by reference to another agreement or document, in the Indenture.
The definitions set forth in this Agreement shall equally apply to both the
singular and plural forms of the terms defined.  As used in this Agreement, the
following terms shall have the following meanings:

          "Advice" shall have the meaning set forth in the last paragraph of
           ------
Section 5 of this Agreement.

          "Affiliate", with respect to any Person, shall mean any other Person
           ---------
that directly or indirectly through one or more intermediaries, controls, is
controlled by, or is under common
<PAGE>

control with such first Person. The term "control" means the possession,
directly or indirectly, of the power to direct or cause the direction of the
management or policies of a Person, whether through the ownership of voting
securities or by contract or otherwise. For purposes of Section 2, an
"Affiliate" of the Company shall mean and include, in addition, any Person
deemed an affiliate thereof under the Securities Act or the Exchange Act in
connection with the Exchange Offer.

          "Closing Date" shall mean the date of the initial issuance and sale of
           ------------
the Initial Notes.

          "Commission" shall mean the United States Securities and Exchange
           ----------
Commission.

          "Company" shall have the meaning set forth in the first paragraph of
           -------
this Agreement.

          "Cure Date" shall have the meaning set forth in Section 4(a) of this
           ---------
Agreement.

          "Effective Date" shall mean the date which is 270 days after the
           --------------
Closing Date.

          "Effective Period" shall have the meaning set forth in Section 3(a) of
           ----------------
this Agreement.

          "Exchange Act" shall mean the Securities Exchange Act of 1934, as
           ------------
amended, and the rules and regulations of the Commission promulgated thereunder.

          "Exchange Offer" shall have the meaning set forth in Section 2(a) of
           --------------
this Agreement.

          "Exchange Offer Registration Statement" shall have the meaning set
           -------------------------------------
forth in Section 2(a) of this Agreement.

          "Exchange Period" shall have the meaning set forth in Section 2(a) of
           ---------------
this Agreement.

          "Exchange Notes" shall have the meaning set forth in Section 2(a) of
           --------------
this Agreement.

          A "holder" of Registrable Notes shall mean the registered holder of
             ------
such securities or any beneficial owner thereof.

          "Holder Indemnified Party" shall have the meaning set forth in Section
           ------------------------
8(a) of this Agreement.

          "Holder Information" shall have the meaning set forth in Section 8(a)
           ------------------
of this Agreement.

                                       2
<PAGE>

          "Illiquidity Event" with respect to the Initial Notes shall mean any
           -----------------
of the following events:

          (a)   as of the Effective Date, both (i) an Exchange Offer
Registration Statement (which, if applicable pursuant to Section 2(a), covers
resales of such Exchange Notes) has not become effective and (ii) the
Registrable Notes are not the subject of an Initial Shelf Registration Statement
which has become effective; or

          (b)   the Exchange Notes offered in exchange for the Registrable Notes
are the subject of an Exchange Offer Registration Statement which was effective
(and which, if applicable pursuant to Section 2(a), covered resales of such
Exchange Notes) but which ceased to be effective for any reason prior to the end
of the Exchange Period; or

          (c)   the Registrable Notes are the subject of an Initial Shelf
Registration Statement or Subsequent Shelf Registration Statement which was
effective but which has ceased to be effective for any reason prior to the end
of the Effective Period.

          An Illiquidity Event shall be deemed to cease to exist on the date
subsequent to the occurrence of such Illiquidity Event on which:

          (i)   in the case of an Illiquidity Event described in clause (a)
     above, either (i) an Exchange Offer Registration Statement (which, if
     applicable pursuant to Section 2(a), covers resales of the Exchange Notes
     exchanged for such Registrable Notes) shall become effective and an
     Exchange Offer for such Registrable Notes shall have commenced or (ii) an
     Initial Shelf Registration Statement covering such Registrable Notes shall
     become effective; or

          (ii)  in the case of an Illiquidity Event described in clause (b)
     above, either (i) an Exchange Offer Registration Statement (which, if
     applicable pursuant to Section 2(a), covers resales of the Exchange Notes
     offered in exchange for such Initial Notes) shall become effective and an
     Exchange Offer for such Registrable Notes shall have commenced pursuant to
     an Exchange Offer Registration Statement or (ii) an Initial Shelf
     Registration Statement covering such Registrable Notes shall become
     effective; or

          (iii) in the case of an Illiquidity Event described in clause (c)
     above, a Subsequent Shelf Registration Statement covering such Registrable
     Notes shall become effective.

          "Indenture" shall mean the Indenture, dated as of June 28, 1999, and
           ---------
as further amended or supplemented from time to time in accordance with the
terms thereof, between the Company and the Trustee, and pursuant to which the
Initial Notes and any Exchange Notes are to be issued.

          "Initial Purchasers" shall have the meaning set forth in the first
           ------------------
paragraph of this Agreement.

                                       3
<PAGE>

          "Initial Notes" shall have the meaning set forth in the first
           -------------
paragraph of this Agreement.

          "Initial Shelf Registration Statement" shall have the meaning set
           ------------------------------------
forth in Section 3(a) of this Agreement.

          "Inspectors" shall have the meaning set forth in Section 5(m) of this
           ----------
Agreement.

          "Managing Underwriters" shall mean the investment banker or investment
           ---------------------
bankers and manager or managers that shall administer an Underwritten Offering.

          "NASD" shall mean the National Association of Securities Dealers, Inc.
           ----

          "Prospectus" shall mean the prospectus included in any Registration
           ----------
Statement (including, without limitation, a prospectus that discloses
information previously omitted from a prospectus filed as part of an effective
registration statement in reliance upon Rule 430A promulgated under the
Securities Act), as amended or supplemented by any prospectus supplement, and
all other amendments and supplements to the prospectus included in any
Registration Statement, including post-effective amendments and all material
incorporated by reference into such prospectus.

          "Purchase Agreement" shall have the meaning set forth in the first
           ------------------
paragraph of this Agreement.

          "Records" shall have the meaning set forth in Section 5(m) of this
           -------
Agreement.

          "Registrable Notes" shall mean the Initial Notes upon original
           -----------------
issuance thereof and at all times subsequent thereto until, in the case of any
such Initial Note, (i) a Registration Statement covering such Initial Note, or
the Exchange Note to be exchanged for such Initial Note (and, in the case of any
Resale Note, any resale thereof), has been declared effective and such Initial
Note has been disposed of or exchanged (or, in any case where such Registration
Statement covers the resale of Resale Notes, such Initial Note has been
exchanged and the Resale Note received therefor has been resold), as the case
may be, in accordance with such effective Registration Statement, (ii) such
Initial Note is sold in compliance with Rule 144 or would be permitted to be
sold pursuant to Rule 144(k), (iii) such Initial Note shall have been otherwise
transferred and a new certificate therefor not bearing a legend restricting
further transfer shall have been delivered by or on behalf of the Company and
such Initial Note shall be tradeable by each holder thereof without restriction
under the Securities Act or the Exchange Act and without material restriction
under the applicable blue sky or state securities laws or (iv) such Initial Note
ceases to be outstanding.

          "Registration Statement" shall mean any registration statement
           ----------------------
(including any Shelf Registration Statement) of the Company that covers any of
the Registrable Notes or the Exchange Notes, as the case may be, pursuant to the
provisions of this Agreement, including the Prospectus which is part of such
Registration Statement, amendments (including post-effective amendments) and
supplements to such Registration Statement and all exhibits and appendices to

                                       4
<PAGE>

any of the foregoing.  For purposes of the foregoing, unless the context
requires otherwise, a Registration Statement for an Exchange Offer shall not be
deemed to cover Registrable Notes held by a Restricted Person unless such
Registration Statement covers the resale of Resale Notes to be received by such
Restricted Person pursuant to such Exchange Offer and any such Initial Notes
shall continue to be Registrable Notes.

          "Resale Initial Purchaser" shall have the meaning set forth in Section
           ------------------------
8(a) of this Agreement.

          "Resale Notes" shall mean any Exchange Note received by a Restricted
           ------------
Person pursuant to an Exchange Offer, and at all times subsequent thereto,
until, subject to the time periods set forth herein, such Exchange Note has been
resold by such Restricted Person.

          "Restricted Person" shall mean (a) any Affiliate of the Company, (b)
           -----------------
any Initial Purchaser or (c) any Affiliate of any Initial Purchaser (other than
Affiliates of such Initial Purchaser that (i) are acquiring Exchange Notes in
the ordinary course of business and do not have an arrangement with any Person
to distribute Exchange Notes and (ii) may trade such Exchange Notes without
restriction under the Securities Act).

          "Rule 144" shall mean Rule 144 under the Securities Act, as such Rule
           --------
may be amended from time to time, or any similar rule or regulation hereafter
adopted by the Commission.

          "Rule 144A" shall mean Rule 144A under the Securities Act, as such
           ---------
Rule may be amended from time to time, or any similar rule or regulation
hereafter adopted by the Commission.

          "Rule 415" shall mean Rule 415 under the Securities Act, as such Rule
           --------
may be amended from time to time, or any similar rule or regulation hereafter
adopted by the Commission.

          "Securities Act" shall mean the Securities Act of 1933, as amended,
           --------------
and the rules and regulations of the Commission promulgated thereunder.

          "Shelf Notice" shall have the meaning set forth in Section 2(b) of
           ------------
this Agreement.

          "Shelf Registration Statement" shall have the meaning set forth in
           ----------------------------
Section 3(b) of this Agreement.

          "Special Counsel" shall mean Latham & Watkins, special counsel to the
           ---------------
Initial Purchasers, or any other firm acceptable to the Company, acting as
special counsel to the holders of Registrable Notes or Exchange Notes.

          "Subsequent Shelf Registration Statement" shall have the meaning set
           ---------------------------------------
forth in Section 3(b) of this Agreement.

                                       5
<PAGE>

          "TIA" shall mean the Trust Indenture Act of 1939, as amended, and the
           ---
rules and regulations of the Commission promulgated thereunder.

          "Trustee" shall mean The Bank of New York, its successors and any
           -------
successor trustee under the Indenture.

          "Underwritten Registration" or "Underwritten Offering" shall mean a
           -------------------------      ---------------------
registration in which securities are sold to an underwriter or group of
underwriters for reoffering to the public.

          SECTION 2. Exchange Offer.
                     --------------

          (a)  Unless the Company determines in good faith that the Exchange
Offer shall not be permissible under applicable law or Commission policy, the
Company shall prepare and cause to be filed with the Commission as soon as
reasonably practicable after the Closing Date, subject to Sections 2(b) and 2(c)
of this Agreement, a Registration Statement (an "Exchange Offer Registration
                                                 ---------------------------
Statement") for an offer to exchange (an "Exchange Offer") the Registrable Notes
---------                                 --------------
(subject to Section 2(c)) for a like aggregate principal amount of debt
securities of the Company and are otherwise in all material respects
substantially identical to the Initial Notes (the "Exchange Notes") (and which
                                                   --------------
are entitled to the benefits of the Indenture, which shall be qualified under
the TIA in connection with such registration, or a trust indenture which is
substantially identical in all material respects to the Indenture), other than
(i) such changes to the Indenture or any such substantially identical indenture
as the Trustee and the Company may deem necessary in connection with the
Trustee's rights and duties or to comply with any requirements of the Commission
to effect or maintain the qualification thereof under the TIA and (ii) such
changes relating to restrictions on transfer set forth in the Indenture. The
Exchange Offer shall be registered under the Securities Act on the appropriate
form of Registration Statement and shall comply with all applicable tender offer
rules and regulations under the Exchange Act and with all other applicable laws.
Subject to the terms and limitations of Section 2(c), such Exchange Offer
Registration Statement may also cover any resales of Exchange Notes by any
Restricted Person, in the manner or manners designated by them which, in any
event, is reasonably acceptable to the Company.

          The Company shall use its reasonable best efforts to (i) cause the
Exchange Offer Registration Statement to become effective under the Securities
Act on or prior to the Effective Date, (ii) keep the Exchange Offer open for a
period of not less than the shorter of (A) the period ending when the last
remaining Initial Note is tendered into the Exchange Offer and (B) 30 days from
the date notice is mailed to the holders of Initial Notes (provided that in no
                                                           --------
event shall such period be less than the period required under applicable
Federal and state securities laws), and (iii) maintain such Exchange Offer
Registration Statement continuously effective for a period (the "Exchange
                                                                 --------
Period") of not less than the longer of (A) the period until the consummation of
the Exchange Offer and (B) 120 days after effectiveness of the Exchange Offer
Registration Statement, provided however, that in the event that all resales of
                        -------- -------
Exchange Notes (including, subject to the time periods set forth herein, any
Resale Securities and including, subject to the time periods set forth herein,
any resales by broker-dealers that receive Exchange Notes for their

                                       6
<PAGE>

own account pursuant to the Exchange Offer) covered by such Exchange Offer
Registration Statement have been made, the Exchange Offer Registration Statement
need not remain continuously effective for the period set forth in clause (B)
above. Upon consummation of the Exchange Offer, the Company shall deliver to the
Trustee under the Indenture for cancellation all Initial Notes tendered by the
holders thereof pursuant to the Exchange Offer and not withdrawn prior to the
date of consummation of the Exchange Offer. Each Restricted Person shall notify
the Company promptly after re-selling all Resale Securities held by such
Restricted Person which are covered by any such Registration Statement.

          Each holder of Registrable Notes to be exchanged in the Exchange Offer
(other than any Restricted Person) shall be required as a condition to
participating in the Exchange Offer to represent that (i) it is not an Affiliate
of the Company, (ii) any Exchange Notes to be received by it shall be acquired
in the ordinary course of its business and (iii) that at the time of the
consummation of the Exchange Offer it shall have no arrangement with any person
to participate in the distribution (within the meaning of the Securities Act) of
the Exchange Notes.  Upon consummation of an Exchange Offer in accordance with
this Section 2 and compliance with the other provisions of this Section 2, the
Company shall, subject to Sections 2(b) and 2(c), have no further obligation to
register Registrable Notes pursuant to Section 3(a) of this Agreement; provided
                                                                       --------
that the other provisions of this Agreement shall continue to apply as set forth
in such provisions.

          (b)  In the event that the Company reasonably determines in good faith
that (i) the Exchange Notes would not, upon receipt in the Exchange Offer by any
holder of Registrable Notes (other than any Restricted Person and other than any
holder who is not acquiring such Exchange Notes in the ordinary course of
business or who has an arrangement with any person to participate in the
distribution of such Exchange Notes), be tradeable by each holder thereof
without restriction under the Securities Act and the Exchange Act and without
restriction under applicable blue sky or state securities laws, (ii) after
conferring with counsel, the Commission is unlikely to permit the Exchange Offer
Registration Statement to become effective prior to the Effective Date (except
in the circumstances set forth in Section 2(c)) or (iii) the Exchange Offer may
not be made in compliance with applicable laws, then the Company shall promptly
deliver notice thereof (the "Shelf Notice") to the holders of the Registrable
                             ------------
Notes and the Trustee and shall thereafter file an Initial Shelf Registration
Statement pursuant to, and otherwise comply with, the provisions of Section
3(a).  Following the delivery of a Shelf Notice in accordance with this Section
2(b) and compliance with Section 3(a), the Company shall not have any further
obligation under this Section 2.

          (c)  In the event that the Company reasonably determines in good faith
that (i) the Exchange Notes would not, upon consummation of any resale thereof
by a Restricted Person to any Person other than another Restricted Person, be
tradeable by each holder thereof without restriction under the Securities Act
(other than applicable prospectus requirements) and the Exchange Act and without
restriction under applicable blue sky or state securities laws or (ii) the
Commission is unlikely to permit the Exchange Offer Registration Statement to
become effective prior to the Effective Date solely because such Registration
Statement covers resales of the Exchange Notes by Restricted Persons, then the
Company shall promptly deliver a Shelf Notice

                                       7
<PAGE>

to the Restricted Persons who are holders of Registrable Notes and to the
Trustee, and the Company shall thereafter file an Initial Shelf Registration
Statement with respect to any such Registrable Notes pursuant to, and otherwise
comply with, the provisions of Section 3(a); provided that such Initial Shelf
                                             --------
Registration Statement shall only cover resales of Registrable Notes by
Restricted Persons if a Shelf Notice is not then otherwise required to be
delivered pursuant to Section 2(b); and, provided, further that such Initial
                                         --------  -------
Shelf Registration Statement covering Registrable Notes held by Restricted
Persons shall be kept effective for at least a period of 120 days and is not
required to remain effective with respect to Registrable Notes held by
Restricted Persons thereafter. Following the delivery of a Shelf Notice in
accordance with this Section 2(c) and compliance with Section 3(a), the Company
shall not have any further obligation under this Section 2 with respect to the
filing of an offer to exchange the Registrable Notes held by the Restricted
Persons (including, without limitation, any obligation to provide that an
Exchange Offer Registration Statement filed pursuant to Section 2(a) cover
resales of Exchange Notes by Restricted Persons); provided that the provisions
                                                  --------
of this Section 2 shall otherwise remain in full force and effect with respect
to Registrable Notes held by any person other than a Restricted Person.

          SECTION 3. Shelf Registration; Registrable Notes.  With respect to the
                     -------------------------------------
Registrable Notes, if a Shelf Notice is delivered in accordance with Section
2(b) or 2(c) of this Agreement, then the Company shall comply with the following
provisions of this Section 3:

          (a)  Initial Shelf Registration.  The Company shall prepare and cause
               --------------------------
to be filed with the Commission a Registration Statement for an offering to be
made on a continuous basis other than pursuant to an Underwritten Offer pursuant
to Rule 415 covering all of the Registrable Notes (or, if a Shelf Notice is
delivered solely pursuant to Section 2(c), all of the Registrable Notes held by
any Restricted Persons) (the "Initial Shelf Registration Statement"); provided,
                              ------------------------------------    --------
however, that no holder shall be entitled to have its Registrable Notes covered
-------
by such Initial Shelf Registration Statement unless such holder agrees in
writing, within 10 Business Days after actual receipt of a request therefrom, to
be bound by all the provisions of this Agreement applicable to such holder.  No
holder shall be entitled to the benefits of Section 4 of this Agreement unless
and until such holder shall have provided all information reasonably requested
by the Company (after conferring with counsel), and such holder shall not be
entitled to such benefits with respect to any period during which such
information was not provided.  Each holder to which any Shelf Registration
Statement is being effected agrees to furnish promptly to the Company all
information required to be disclosed in order to make the information previously
furnished to the Company by such holder not materially misleading.  The Initial
Shelf Registration Statement shall be an appropriate form permitting
registration of such Registrable Notes for resale by the holders thereof in the
manner or manners reasonably designated by them (but excluding any Underwritten
Offerings).  The Company shall use its reasonable best efforts to (A) cause the
Initial Shelf Registration Statement to be declared effective under the
Securities Act on or prior to the Effective Date and (B) keep the Initial Shelf
Registration Statement continuously effective under the Securities Act for a
period of two years after the Closing Date (subject to extension pursuant to the
last paragraph of Section 5 and subject, with respect to Registrable Notes held
by Restricted Persons, to the limitations set forth in Section 2(c)) (such two-
year period, as it may be extended, being the "Effective Period"), or
                                               ----------------

                                       8
<PAGE>

such shorter period ending when (1) all Registrable Notes covered by the Initial
Shelf Registration Statement have been sold or (2) a Subsequent Shelf
Registration Statement covering all of such Registrable Notes remaining unsold
has been declared effective under the Securities Act or (3) all Registrable
Notes may be sold pursuant to subsection (k) of Rule 144.

          Notwithstanding any other provision hereof, the Company may postpone
or suspend the filing or the effectiveness of a Registration Statement (or any
amendments or supplements thereto), if (1) such action is required by applicable
law, or (2) such action is taken by the Company in good faith and for valid
business reasons (not including avoidance of such party's obligations
hereunder), including the acquisition or divestiture of assets, other pending
corporate developments, public filings with the Commission or other similar
events, so long as the Company promptly thereafter complies with the
requirements of Section 5(b) hereof, if applicable.  Notwithstanding the
occurrence of any event referred to in the immediately preceding sentence (a
"Suspension"), such event shall not suspend, postpone or in any other manner
 ----------
affect the running of the time period after which an Illiquidity Event shall be
deemed to occur and, if the filing or effectiveness of a Registration Statement
is postponed or suspended as a result of a Suspension, an Illiquidity Event
shall nonetheless exist if all other requirements set forth for the occurrence
of an Illiquidity Event shall be satisfied, and the provisions of Section 4
requiring the accrual payment of additional interest, as set forth in such
Section, on the Registrable Notes, shall be applicable.

          (b)  Subsequent Shelf Registrations. If the Initial Shelf Registration
               ------------------------------
Statement or any Subsequent Shelf Registration Statement ceases to be effective
for any reason at any time during the Effective Period after the Effective Date,
the Company may attempt to obtain the withdrawal of any order suspending the
effectiveness thereof, and may amend such Initial Shelf Registration Statement
or Subsequent Shelf Registration Statement in a manner reasonably expected to
obtain the withdrawal of the order suspending the effectiveness thereof, or file
an additional "shelf" Registration Statement applicable to the Initial Notes
pursuant to Rule 415 covering all of such Registrable Notes remaining unsold (a
"Subsequent Shelf Registration Statement").  If a Subsequent Shelf Registration
 ---------------------------------------
Statement is declared effective, the Company shall use its reasonable best
efforts to keep such Shelf Registration Statement continuously effective for a
period after the date of such effectiveness equal in length to the length of the
Effective Period plus the aggregate number of days from the date of the order
suspending the effectiveness of the Initial Shelf Registration Statement or any
Subsequent Shelf Registration Statement to the date of the effectiveness of the
Subsequent Shelf Registration Statement.  As used herein, the term "Shelf
Registration Statement" means the Initial Shelf Registration Statement and any
Subsequent Shelf Registration Statement.

          SECTION 4. Additional Interest for Illiquidity.
                     -----------------------------------

          (a)  The Company acknowledges and agrees that the Initial Purchasers
(and any subsequent holders of the Initial Notes) have acquired the Initial
Notes in reliance on the covenant of the Company to use its reasonable best
efforts to (i) cause to become effective on or prior to the Effective Date (A)
the Exchange Offer Registration Statement or (B) an Initial Shelf Registration
Statement, and (ii) maintain the respective effectiveness of such Registration

                                       9
<PAGE>

Statements as described herein. The Company further acknowledges and agrees that
the failure of the Company to fulfill such covenants will have an adverse effect
on the holders of the Initial Notes. Therefore, the Company agrees that from and
after the date on which any Illiquidity Event occurs, additional interest (in
addition to the interest otherwise payable with respect to the Registrable
Notes) shall accrue with respect to the Initial Notes until but not including
the date on which such Illiquidity Event shall cease to exist (and provided no
other Illiquidity Event with respect to any Initial Notes shall then be
continuing), at the rate of one half of one percent (0.50%) per annum, which
additional interest shall be payable by the Company to the holders of all
Initial Notes at the times, in the manner and subject to the same terms and
conditions set forth in the Indenture, as nearly as may be, as though the
interest rates provided in such Initial Notes had been increased by one half of
one percent (0.50%) per annum. Subject to the provisions of this Section 4, the
Company agrees that it shall be liable to the holders of all Initial Notes for
the payment of any and all additional interest on the Initial Notes that shall
accrue pursuant to this Section 4.

          Any such additional interest accrued on any such Initial Notes but
unpaid on the date on which such interest ceases to accrue (the "Cure Date")
                                                                 ---------
shall be due and payable on the first interest payment date following the next
record date following such Cure Date (or the record date occurring on such Cure
Date, if such Cure Date is a record date) to the holders of record of such
Initial Notes on such record date.

          (b)  The Company shall promptly notify the holders of the Initial
Notes and the Trustee of the occurrence of any Illiquidity Event of which it has
knowledge.

          Notwithstanding the foregoing, the Company shall not be required to
pay the additional interest described in clause (a) of this Section 4 to a
holder with respect to the Registrable Notes held by such holder if the
applicable Illiquidity Event arises by reason of the failure of such holder to
provide such information as (i) the Company may reasonably request, with
reasonable prior written notice, for use in the Shelf Registration Statement or
any Prospectus included therein to the extent the Company reasonably determines
that such information is required to be included therein by applicable law, (ii)
the NASD or the Commission may request in connection with such Shelf
Registration Statement, or (iii) is required to comply with the agreements of
such holder contained in clause (a) of Section 3 to the extent compliance
thereof is necessary for the Shelf Registration Statement to be declared
effective.

          SECTION 5. Registration Procedures.  In connection with the
                     -----------------------
registration of any Registrable Notes or Exchange Notes pursuant to Sections 2
and 3 hereof, the Company shall use its reasonable best efforts to effect such
registration to permit the sale of such Registrable Notes or Exchange Notes in
accordance with any permitted intended method or methods of disposition thereof,
and pursuant thereto the Company shall:

          (a)  prepare and cause to be filed with the Commission a Registration
Statement or Registration Statements as prescribed by Sections 2 and 3 of this
Agreement, and use its reasonable best efforts to cause each such Registration
Statement to become effective and

                                       10
<PAGE>

remain effective for the applicable period as provided herein; provided,
                                                               --------
however, that (i) during the period in which the Initial Registration Statement
-------
is open for the Restricted Persons, the Company shall afford any Restricted
Person which is a holder of Registrable Notes or Exchange Notes and the Special
Counsel, upon such holder's written request to the Company, an opportunity to
review copies of all such documents proposed to be filed, and (ii) if such
filing is pursuant to Section 3, before filing any Registration Statement or
Prospectus or any amendments or supplements thereto (including documents that
would be incorporated therein by reference after the initial filing of the
Registration Statement), the Company shall afford the Special Counsel for all
holders of the Registrable Notes covered by such Registration Statement an
opportunity to review copies of all such documents proposed to be filed;

          (b)  prepare and cause to be filed with the Commission such amendments
and post-effective amendments to each Shelf Registration Statement as may be
necessary to keep such Registration Statement continuously effective for the
applicable period as provided herein; cause the related Prospectus to be
supplemented by any required Prospectus supplement, and as so supplemented to be
filed pursuant to Rule 424 (or any similar provisions then in force) under the
Securities Act; and comply with the provisions of the Securities Act, the
Exchange Act and the rules and regulations of the Commission promulgated
thereunder with respect to the disposition of all securities covered by such
Registration Statement as so amended or in such Prospectus as so supplemented in
accordance with the intended methods of disposition by the sellers of
Registrable Notes covered thereby set forth therein;

          (c)  if a Shelf Registration Statement is filed pursuant to Section 3
hereof, notify the selling holders of Registrable Notes promptly after the
Company becomes aware thereof, and confirm such notice in writing, (i) when a
Prospectus or any Prospectus supplement or post-effective amendment has been
filed, and, with respect to a Registration Statement or any post-effective
amendment, when the same has become effective, (ii) of any request by the
Commission for amendments or supplements to the Registration Statement or the
Prospectus or for additional information, (iii) of the issuance by the
Commission of any stop order suspending the effectiveness of a Registration
Statement or of any order preventing or suspending the use of any preliminary
prospectus or Prospectus or the initiation of any proceedings for that purpose,
(iv) of the receipt by the Company of any notification with respect to the
suspension of the qualification or exemption from qualification of a
Registration Statement or any of the Registrable Notes for offer or sale in any
jurisdiction, or the initiation of any proceeding for such purpose, (v) of the
existence of any fact known to the Company which results in such Registration
Statement or related Prospectus or any document incorporated therein by
reference containing any untrue statement of a material fact or omitting to
state any material fact required to be stated therein or necessary to make the
statements therein, in light of the circumstances under which they were made,
not misleading (which notice may be accompanied by an instruction that such
notice constitutes material non-public information and to suspend the use of the
prospectus until the requisite changes have been made, and which instruction
shall require that such holders shall not communicate such material non-public
information to any third party and shall not sell or purchase, or offer to sell
or purchase, any securities of the Company after receipt of such notice) and
(vi) if the Company reasonably determines that the filing of a post-effective
amendment to such Registration Statement would be appropriate;

                                       11
<PAGE>

          (d)  if a Shelf Registration Statement is filed pursuant to Section 3,
use its reasonable efforts to prevent the issuance of any order suspending the
effectiveness of a Registration Statement or of any order preventing or
suspending the use of a Prospectus or suspending the qualification (or exemption
from qualification) of any of the Registrable Notes for sale in any jurisdiction
and, if any such order is issued, to obtain the withdrawal of any such order at
the earliest possible moment;

          (e)  if a Shelf Registration Statement is filed pursuant to Section 3,
furnish to each selling holder of Registrable Notes who so requests (at such
holder's address set forth in the Securities Register) without charge, one
conformed copy of the Registration Statement or Registration Statements and each
post-effective amendment thereto, including financial statements and schedules,
all documents incorporated therein by reference and all exhibits (including
those incorporated by reference);

          (f)  if a Shelf Registration Statement is filed pursuant to Section 3,
deliver to each selling holder of Registrable Notes without charge, as many
copies of the Prospectus (including each preliminary prospectus) and each
amendment or supplement thereto as such persons may reasonably request; and,
subject to the last paragraph of this Section 5, the Company hereby consents to
the use of such Prospectus and each amendment or supplement thereto by each of
the selling holders of Registrable Notes and the underwriters, if any, in
connection with the offering and sale of the Registrable Notes covered by such
Prospectus and any amendment or supplement thereto;

          (g)  prior to any public offering of Registrable Notes, register or
qualify, or cooperate with the selling holders of Registrable Notes, the
underwriters, if any, and their respective counsel in connection with the
registration or qualification (or exemption from such registration or
qualification) of such Registrable Notes for offer and sale under the securities
or blue sky laws of such jurisdictions within the United States as the selling
holders reasonably request in writing (provided that, if Registrable Notes are
offered other than through an Underwritten Offering, the Company agrees to cause
its counsel to perform blue sky investigations and file registrations and
qualifications required to be filed pursuant to this Section 5(g)); keep each
such registration or qualification (or exemption therefrom) effective during the
period such Registration Statement is required to be kept effective; and do any
and all other acts or things necessary or advisable to enable the disposition in
such jurisdictions of the Registrable Notes covered by the applicable
Registration Statement; provided, however, that the Company will not be required
to qualify as a foreign corporation, or to do business, to file a general
consent or take any action which would subject it to service of process in any
jurisdiction or take any action which would subject itself to taxation in any
such jurisdiction;

          (h)  if a Shelf Registration Statement is filed pursuant to Section 3,
cooperate with the Trustee and the selling holders of Registrable Notes to
facilitate the timely preparation and delivery of certificates representing
Registrable Notes to be sold, which certificates shall not bear any restrictive
legends and shall be in a form eligible for deposit with The Depository Trust
Company, and enable such Registrable Notes to be in such authorized
denominations and

                                       12
<PAGE>

registered in such names as the holders may reasonably request at least three
Business Days prior to any such sale;

          (i)  if a Shelf Registration Statement is filed pursuant to Section 3,
upon the occurrence of any event contemplated by Section 5(c), prepare a
supplement or post-effective amendment to the Registration Statement or a
supplement to the related Prospectus or any document incorporated therein by
reference or file any other required document so that, as thereafter delivered
to the purchasers of the Registrable Notes, such Prospectus will not contain an
untrue statement of a material fact or omit to state a material fact necessary
to make the statements therein, in light of the circumstances under which they
were made, not misleading. If the Company so notifies the holders to suspend the
use of the Prospectus after the occurrence of such an event, the holders shall
suspend use of the Prospectus, and not communicate such material non-public
information to any third party, and not sell or purchase, or offer to sell or
purchase, any securities of the Company, until the Company has amended or
supplemented the Prospectus to correct such misstatement or omission;

          (j)  use its reasonable best efforts to cause the Registrable Notes
covered by the Registration Statement to continue to be rated by the rating
agencies that initially rated the Initial Notes during the period that the
Registration Statement is required hereunder to remain effective (it being
acknowledged, however, that the foregoing shall not be deemed to require the
Company to maintain the rating of such Registrable Notes at the rating given the
Initial Notes);

          (k)  prior to the effective date of the first Registration Statement
relating to the Registrable Notes or the Exchange Notes, as the case may be, (i)
provide the Trustee with printed certificates for such securities in definitive
form or in a global form eligible for deposit with The Depository Trust Company
and (ii) provide a CUSIP number for such Registrable Notes or Exchange Notes
represented by such certificates;

          (l)  if a Shelf Registration Statement is filed pursuant to Section 3,
enter into such reasonably required agreements and take all other appropriate
actions in order to expedite or facilitate the registration or the disposition
of such Registrable Notes;

          (m)  in the event of any Underwritten Offering (which shall only be
undertaken at the option of the Company), if a Shelf Registration Statement is
filed pursuant to Section 3, make available prior to the filing thereof for
inspection by a representative of the holders of a majority in aggregate
principal amount of the Registrable Notes being sold, and the Special Counsel,
on the one hand, or underwriter on the other hand (collectively, the
"Inspectors"), during reasonable business hours, all financial and other
 ----------
records, pertinent corporate documents and properties of the Company
(collectively, the "Records"), and cause the officers, directors and employees
                    -------
of the Company to supply all relevant information as shall be reasonably
necessary to enable them to exercise any applicable due diligence
responsibilities; provided, however, that, as a condition to supplying such
                  --------  -------
information, the Company shall receive an agreement in writing from the Special
Counsel agreeing that any information that is designated in writing by the
Company, in good faith, as confidential at the time of delivery of such
information shall be kept confidential by such Inspector (other than as to
holders of Registrable Notes) and by any holders

                                       13
<PAGE>

of Registrable Notes receiving such information, unless (i) disclosure of such
information is required pursuant to applicable law or by court or administrative
order, (ii) disclosure of such information is, in the reasonable opinion of
counsel to the Company, necessary to avoid or correct a misstatement or omission
of a material fact in the Registration Statement, Prospectus or any supplement
or post-effective amendment thereto or disclosure is otherwise required by law,
(iii) such information becomes generally available to the public other than as a
result of a disclosure by any Inspector or any such holder of Registrable Notes
in violation of this Section 5(m) or (iv) such information is approved for
release by the Company, in writing;

          (n)  use its best efforts to cause the Indenture or the trust
indenture provided for in Section 2, as the case may be, to be qualified under
the TIA not later than the effective date of such Registration Statement; and,
in connection therewith, cooperate with the Trustee under the Indenture and the
holders of the Registrable Notes to effect such changes to the Indenture as may
be required for the Indenture to be so qualified in accordance with the terms of
the TIA and execute, and use its best efforts to cause such Trustee to execute,
all documents as may be required to effect such changes, and all other forms and
documents required to be filed with the Commission to enable the Indenture or
the trust indenture provided for in Section 2 to be so qualified in a timely
manner;

          (o)  otherwise use its reasonable best efforts to comply with all
applicable rules and regulations of the Commission.

          For purposes of the covenants set forth in this Section 5, references
to a Shelf Registration Statement, including a Shelf Registration Statement
filed pursuant to Section 3, shall be deemed to include any Registration
Statement, filed pursuant to Section 2, which covers, for the period set forth
therein, resales of Exchange Notes held by Restricted Persons as provided in
Section 2, and, in connection with such resales such Restricted Persons shall be
entitled to exercise all rights, receive all notices and copies of documents,
and otherwise receive all benefits afforded to sellers or holders of Registrable
Notes under this Section 5 in connection with a Shelf Registration Statement.
Without limiting the generality of the foregoing, the Company agrees to fulfill
its obligations set forth in Sections 5(a), (b), (c), (d), (e), (f), (h), (i),
(l) and (m) with respect to any such Registration Statement filed pursuant to
Section 2 insofar as it covers such resales.

          The Company may require each seller of Registrable Notes as to which
any registration is being effected, as a condition thereto, to furnish to the
Company such information regarding the holder and the distribution of such
Registrable Notes as the Company may, from time to time, request in writing,
including without limitation stating that (i) it is not an Affiliate of the
Company, (ii) the amount of Registrable Notes held by such holder prior to the
Exchange Offer, (iii) the amount of Registrable Notes owned by such holder to be
exchanged in the Exchange Offer and representing that such holder is not engaged
in, and does not intend to engage in, and has no arrangement or understanding
with any Person to participate in, a distribution of the Exchange Notes to be
issued, and (iv) it is acquiring the Exchange Notes in its ordinary course of
business and to covenant and agree to promptly notify the Company if any such
information so provided by such seller ceases to be true and correct and will
promptly

                                       14
<PAGE>

thereafter furnish the Company with corrected information. The Company may
exclude from such registration the Registrable Notes of any Person who fails to
furnish such information within a reasonable time after receiving such request.

          Each holder of Registrable Notes agrees by acquisition of such
Registrable Notes that, upon receipt of any notice from the Company of the
happening of any event of the kind described in Section 5(c)(ii), 5(c)(iii),
5(c)(v) or 5(c)(vi) hereof, such holder shall forthwith discontinue disposition
of such Registrable Notes covered by such Registration Statement or Prospectus
until such holder is advised in writing (the "Advice") by the Company that the
                                              ------
use of the applicable Prospectus may be resumed, and has received copies of any
amendments or supplements thereto and, if so directed by the Company, such
holder will deliver to the Company (at such holder's expense) all copies in its
possession, other than permanent file copies then in such holder's possession,
of the prospectus covering such Registrable Notes current at the time of receipt
of such notice, or certify in writing as to the destruction thereof.  In the
event the Company shall give any such notice, the length of the Effective Period
shall be extended by the number of days during such period from and including
the date of the giving of such notice to and including the date when each seller
of Registrable Notes covered by such Registration Statement shall have received
(x) the copies of the supplemented or amended Prospectus contemplated by Section
5(i) or (y) the Advice.
        ---

          SECTION 6. Delivery of Prospectus; Notification Upon Resale.  The
                     ------------------------------------------------
Initial Purchasers acknowledge that it is the position of the staff of the
Commission that any broker-dealer that receives Exchange Notes for its own
account in exchange for Registrable Notes pursuant to the Exchange Offer must
deliver a prospectus in connection with any resale of such Resale Securities.
By so acknowledging, such Initial Purchasers shall not be deemed to admit that,
by delivering a prospectus, it is an underwriter within the meaning of the
Securities Act

          Each Initial Purchaser shall notify the Company promptly upon the
completion of the resale of the Resale Securities received by such Initial
Purchaser pursuant to the Exchange Offer.

          SECTION 7. Registration Expenses.  The Company shall bear all expenses
                     ---------------------
incurred in connection with the performance of its obligations under Sections 2,
3 and 4; provided, however, that the Company shall bear or reimburse the holders
         --------  -------
for the reasonable fees and disbursements of only one counsel, the Special
Counsel, in accordance with the terms of the Purchase Agreement; provided,
                                                                 --------
further, however, that if the Company opts for an Underwritten Offering, the
-------  -------
Company shall not be responsible for any fees and expenses of any underwriter,
including any underwriting discounts and commissions or any legal fees and
expenses of counsel to the underwriters (except for the reasonable fees and
disbursements of counsel in connection with state securities or blue sky
qualification of any of the Registrable Notes or the Exchange Notes).

          SECTION 8. Indemnification and Contribution.
                     --------------------------------

          (a)  The Company agrees to (A) indemnify and hold harmless each holder
of Registrable Notes (including any Initial Purchaser which holds Registrable
Notes, including

                                       15
<PAGE>

Resale Securities, for its own account (each, a "Resale Initial Purchaser") and
                                                 ------------------------
each Person, if any, who controls any such Person within the meaning of either
the Securities Act or the Exchange Act and each director, officer, employee or
agent of each such Person (each a "Holder Indemnified Party") against any and
                                   ------------------------
all losses, claims, damages or liabilities, joint or several, to which they or
any of them are subject under the Securities Act, the Exchange Act or otherwise,
insofar as such losses, claims, damages or liabilities (or actions in respect
thereof) arise out of or are based upon any untrue statement or alleged untrue
statement of any material fact contained in any Registration Statement covering
Registrable Notes held by such person or any Prospectus relating to any such
Registration Statement, or any amendment thereof or supplement thereto and all
documents incorporated by reference therein, or arise out of or are based upon
the omission or alleged omission to state therein a material fact necessary in
order to make the statements therein, in light of the circumstances in which
they were made, not misleading, and (B) reimburse each such Holder Indemnified
Party for any legal or other expenses reasonably incurred by them in connection
with investigating or defending any such loss, claim, damage, liability or
action as such expenses are incurred; provided, however, that the Company will
                                      --------  -------
not be liable in any such case to the extent that any such loss, claim, damage
or liability arises out of or is based upon any such untrue statement or alleged
untrue statement or omission or alleged omission made in such Registration
Statement or Prospectus, or in any amendment thereof or supplement thereto, in
reliance upon and in conformity with written information relating to such holder
provided by such holder to the Company specifically for use therein
(collectively, the "Holder Information"); provided, further, however, that the
                    ------------------    --------  -------  -------
indemnity obligations arising out of this Section 8 with respect to any untrue
statement or alleged untrue statement or omission or alleged omission made in
any preliminary Prospectus shall not inure to the benefit of any holder or any
controlling Person of such holder, to the extent that a prospectus relating to
such Registrable Notes or the Exchange Notes, as the case may be, was required
to be delivered by such holder under the Securities Act in connection with such
sale and any such loss, claim, damage or liability of such holder results from
the fact that such holder failed to send or deliver to the Person asserting any
such losses a copy of the final Prospectus with or prior to the delivery of the
written confirmation of the sale of the Registrable Notes or the Exchange Notes,
as the case may be, and such final Prospectus would have cured the untrue
statement or omission giving rise to such losses if the Company had previously
furnished copies thereof to such holder. This indemnity agreement will be in
addition to any liability which the Company may otherwise have.

          (b)  As a condition to the inclusion of a holder's Registrable Notes
in a Registration Statement, such holder shall agree to (i) indemnify and hold
harmless the Company and each person who controls the Company within the meaning
of either the Securities Act or the Exchange Act, and each director, officer,
employee or agent of each such person, against any and all losses, claims,
damages or liabilities, joint or several, to which they or any of them are
subject under the Securities Act, the Exchange Act or otherwise, insofar as such
losses, claims, damages or liabilities (or actions in respect thereof) arise out
of or are based upon any untrue statement or alleged untrue statement of any
material fact contained in a Registration Statement covering Registrable Notes
held by such holder or any Prospectus relating to any such Registration
Statement or in any amendment thereof or supplement thereto, or arise out of or
are based upon the omission or alleged omission to state therein a material fact
necessary in order to make the statements therein, in light of the circumstances
in which they were made, not misleading, and

                                       16
<PAGE>

(ii) reimburse each such indemnified party for any legal or other expenses
reasonably incurred by them in connection with investigating or defending any
such loss, claim, damage, liability or action as such expenses are incurred; in
each and every case under clause (i) and (ii) above to the extent, but only to
the extent, that such untrue statement or alleged untrue statement or omission
or alleged omission was made in such Registration Statement or Prospectus or in
any amendment thereof or supplement thereto, in reliance upon and in conformity
with the Holder Information. This indemnity agreement will be in addition to any
liability which any such holder may otherwise have. In no event shall the
liability of any selling holder of Registrable Notes hereunder be greater in
amount than the dollar amount of the proceeds (net of payment of all expenses)
received by such holder upon the sale (or, in the case of Resale Securities, the
resale) of the Registrable Notes giving rise to such indemnification obligation.

          (c)  Promptly after receipt by an indemnified party under this Section
8 of notice of the commencement of any action, such indemnified party will, if a
claim in respect thereof is to be made against the indemnifying party under this
Section 8, notify the indemnifying party in writing of the commencement thereof
(enclosing a copy of all papers served); but the omission to so notify the
indemnifying party (i) shall not relieve it from liability under paragraph (a)
or (b) above unless and to the extent it did not otherwise learn of such action
and such omission results in the forfeiture by the indemnifying party or
material impairment of substantial rights and defenses and (ii) shall not, in
any event, relieve the indemnifying party from any obligations to any
indemnified party other than the indemnification obligations provided in
paragraph (a) or (b) above. In case any such action is brought against any
indemnified party, and it notifies the indemnifying party of the commencement
thereof, the indemnifying party shall be entitled to participate therein and, to
the extent that it may wish, jointly with any other indemnifying party similarly
notified, to assume the defense thereof, with counsel reasonably satisfactory to
such indemnified party. After notice from the indemnifying party to such
indemnified party of its election to so assume the defense of such claim or
action, the indemnifying party will not be liable to such indemnified party
under this Section 8 for any legal or other expenses subsequently incurred by
such indemnified party in connection with the defense thereof other than costs
of investigation; provided that if (i) the defendants in any such action include
both the indemnified party and the indemnifying party, and the indemnified party
shall have received an opinion of counsel reasonably acceptable to the
indemnifying party that representation of both parties by the same counsel would
be inappropriate due to actual or likely conflicts of interest between them, or
(ii) the indemnifying party shall not have employed counsel for the indemnified
party to represent the indemnified party within a reasonable time after notice
of the institution of such action, then the indemnified party or parties shall
have the right to select one firm of separate counsel (in addition to the fees
and expenses of local counsel) to assert any separate legal defenses and to
otherwise defend such action on behalf of such indemnified party or parties. No
indemnifying party shall be liable for any settlement of any action or claim for
monetary damages which an indemnified party may effect without the written
consent of the indemnifying party, which consent shall not be unreasonably
withheld.

          (d)  If the indemnification provided for in Section 8(a) or (b) hereof
is for any reason, other than as specified in such provisions, unavailable to or
insufficient to hold harmless an indemnified party, then each indemnifying party
shall contribute to the aggregate losses,

                                       17
<PAGE>

claims, damages or liabilities (or actions in respect thereof) referred to in
Section 8(a) or (b) hereof in such proportion as is appropriate to reflect the
relative fault and benefits to the Company on the one hand and such holders on
the other hand in connection with the statements or omissions which resulted in
such losses, claims, damages or liabilities (or actions in respect thereof) as
well as any other relevant equitable considerations. The relative fault of the
Company and such holders shall be determined by reference to, among other
things, the parties' relative intent, knowledge, access to information and
opportunity to correct or prevent any untrue statement or omission. The
obligations of the holders in this Section 8(d) are several in proportion to
their respective obligations hereunder and not joint. Notwithstanding the
provisions of this Section 8(d), in no event shall any holder of Registrable
Notes be required to contribute any amount which is in excess of (i) the
aggregate principal amount of Initial Notes sold or exchanged by such holder
less (ii) the amount of any damages that such person has otherwise been required
to pay by reason of such alleged untrue statement or omission. No person guilty
of fraudulent misrepresentation (within the meaning of Section 11(f) of the
Securities Act) shall be entitled to contribution from any person who was not
guilty of such fraudulent misrepresentation. For purposes of this Section 8,
each Holder Indemnified Party shall have the same rights to contribution as a
holder, and each person who controls the Company within the meaning of either
the Securities Act or the Exchange Act and each officer, director, employee and
agent of such person, shall have the same rights to contribution as the Company,
subject in each case to the applicable terms and conditions of this Section
8(d). Any party entitled to contribution will, promptly after receipt of notice
of commencement of any action, suit or proceeding against such party in respect
of which a claim for contribution may be made against another party or parties
under this Section 8(d), notify such party or parties from whom contribution may
be sought; but the omission to so notify such party or parties (x) shall not
relieve the party or parties from whom contribution may be sought from any
liability under this paragraph (d) unless and to the extent it did not otherwise
learn of such action and such omission results in the forfeiture by the party or
parties from whom contribution may be sought or material impairment of
substantial rights and defenses and (y) shall not, in any event, relieve such
party or parties from any obligations other than under this Section 8(d).

          (e)  The provisions of this Section 8 will remain in full force and
effect, regardless of any investigation made by or on behalf of any holder of
Registrable Notes, the Initial Purchasers, the Company or any of the officers,
directors or controlling persons referred to in this Section 8 and will survive
the sale (or, in the case of Resale Securities, the resale) by a holder of
Registrable Notes of such Registrable Notes.

                                       18
<PAGE>

          SECTION 9.  Underwritten Registrations (If Any).  No holder may
                      -----------------------------------
participate in any Underwritten Registration, which Underwritten Registration
shall only be undertaken at the option of the Company, unless such holder (a)
agrees to sell such holder's Initial Notes on the basis provided in any
underwriting arrangements approved by the persons entitled hereunder to approve
such arrangements and (b) completes and executes all questionnaires, powers of
attorney, indemnities, underwriting agreements and other documents required
under the terms of such underwriting arrangements.

          SECTION 10. Termination.  In the event that no Initial Notes are sold
                      -----------
to the Initial Purchasers pursuant to the Purchase Agreement, this Agreement
shall automatically terminate, without liability on the part of any party. Upon
the fulfillment of all obligations on the part of the Company to register the
Initial Notes as set forth herein (including maintaining the effectiveness of
any applicable Registration Statements), this Agreement shall terminate;
provided that the provisions of Sections 7 and 8 hereof shall survive any
termination and remain in full force and effect.

          SECTION 11. Miscellaneous.
                      -------------

          (a)  No Inconsistent Agreements.  The Company neither has, as of the
               --------------------------
date hereof, entered into, nor shall, on or after the date hereof, enter into,
any agreement with respect to its securities that is inconsistent with the
rights granted to the holders of Registrable Notes herein or otherwise conflicts
with the provisions hereof.

          (b)  Amendments and Waivers.  The provisions of this Agreement,
               ----------------------
including the provisions of this sentence, may not be amended, modified or
supplemented, and waivers or consents to departures from the provisions hereof
may not be given, unless the Company has obtained the written consent of holders
of at least a majority of the then outstanding aggregate principal amount of the
Registrable Notes (or, after the consummation of any Exchange Offer in
accordance with Section 2, of Exchange Notes); provided that, with respect to
any matter that directly or indirectly affects the rights of any Restricted
Person hereunder occurring within the period in which the Initial Registration
Statement is open for the Restricted Persons, the Company shall obtain the
written consent of each such Restricted Person against which such amendment,
modification, supplement, waiver or consent is to be effective. Notwithstanding
the foregoing (except for the foregoing proviso), a waiver or consent to
departure from the provisions hereof with respect to a matter that relates
exclusively to the rights of holders of Registrable Notes whose securities are
being sold or exchanged pursuant to a Registration Statement and that does not
directly or indirectly affect the rights of other holders of Registrable Notes
may be given by holders of at least a majority in aggregate principal amount of
the Registrable Notes being sold or exchanged by such holders pursuant to such
Registration Statement; provided, however, that the provisions of this sentence
may not be amended, modified or supplemented except in accordance with the
provisions of the immediately preceding sentence. Notwithstanding the foregoing,
a waiver or consent to depart from the provisions hereof with respect to a
matter that relates exclusively to the rights of Resale Initial Purchasers and
that does not directly or indirectly affect the rights of holders of Registrable
Notes or Exchange Notes may be given by each of the Resale Initial Purchasers
affected thereby.

                                       19
<PAGE>

          (c)  Notices. All notices and other communications (including, without
               -------
limitation, any notices or other communications to the Trustee) provided for or
permitted hereunder shall be made in writing and delivered by hand delivery,
registered first-class mail, next-day air courier or telecopier:

          (i)  if to a holder of Registrable Notes, at the most current address
     given by such holder to the Company in accordance with the provisions of
     this Section 11(c), which address initially is, with respect to the Initial
     Purchasers, at the address set forth in the Purchase Agreement and
     thereafter at the address for such holders of Registrable Notes set forth
     in the Security Register applicable to such Registrable Notes; and

          (ii)  if to the Company, initially at the address set forth in the
     Purchase Agreement and thereafter at such other address, notice of which is
     given in accordance with the provisions of this Section 11(c).

          All such notices and communications shall be deemed to have been duly
given:  when delivered by hand, if personally delivered; five Business Days
after being deposited in the mail, postage prepaid, if mailed; one Business Day
after being timely delivered to a next-day air courier; and when received, if
telecopied.

          Copies of all such notices, demands or other communications shall be
concurrently delivered by the Person giving the same to the Trustee at the
address specified in the Indenture.

          (d)  Successors and Assigns.  This Agreement shall inure to the
               ----------------------
benefit of and be binding upon the successors and assigns of each of the parties
hereto, including, without limitation and without the need for an express
assignment or any consent by the Company thereto, subsequent holders of
Registrable Notes.

          (e)  Counterparts.  This Agreement may be executed in any number of
               ------------
counterparts and by the parties hereto in separate counterparts, each of which
when so executed shall be deemed to be an original and all of which taken
together shall constitute one and the same agreement.

          (f)  Headings.  The headings in this Agreement are for convenience of
               --------
reference only and shall not limit or otherwise affect the meaning hereof.

          (g)  Governing Law.  This Agreement and the rights and duties of the
               -------------
parties hereunder shall be governed by, and construed in accordance with, the
laws of the State of New York. Each of the parties hereto hereby submits to the
non-exclusive jurisdiction of the Federal and State Courts of the Borough of
Manhattan in the City of New York in any suit or proceeding arising out of or
relating to this Agreement or the transactions contemplated hereby.

          (h)  Severability. In the event that any one or more of the provisions
               ------------
contained herein, or the application thereof in any circumstances, is held
invalid, illegal or unenforceable in any respect for any reason, the validity,
legality and enforceability of any such provision in every

                                       20
<PAGE>

other respect and of the remaining provisions hereof shall not be in any way
impaired or affected thereby, it being intended that all of the rights and
privileges of the parties shall be enforceable to the fullest extent permitted
by law.

          (i)  Entire Agreement.  This Agreement, together with the Purchase
               ----------------
Agreement, is intended by the parties as a final expression of their agreement,
and is intended to be a complete and exclusive statement of the agreement and
understanding of the parties hereto in respect of the subject matter contained
herein and therein.  There are no restrictions, promises, warranties or
undertakings, other than those set forth or referred to herein and therein.
This Agreement, together with the Purchase Agreement, supersedes all prior
agreements and understandings between the parties with respect to such subject
matter.

          (j)  Notes Held by the Company, etc.  Whenever the consent or approval
               ------------------------------
of holders of a specified percentage of principal amount of Registrable Notes is
required hereunder, Registrable Notes held by the Company or any of its
Affiliates (other than subsequent holders of Registrable Notes if such
subsequent holders are deemed to be Affiliates solely by reason of their
holdings of such Registrable Notes) shall not be counted in determining whether
such consent or approval was given by the holders of such required percentage.

                                       21
<PAGE>

          If the foregoing is in accordance with your understanding of our
agreement, please sign and return to the Company a counterpart hereof, whereupon
this instrument, along with all counterparts, will become a binding agreement
among the several Initial Purchasers and the Company in accordance with its
terms.

                                   Very truly yours,

                                   EDISON MISSION ENERGY

                                   By:__________________________________
                                      Name:
                                      Title:

The foregoing Registration Rights
Agreement is hereby confirmed
and accepted as of the date first
above written

CREDIT SUISSE FIRST BOSTON CORPORATION
LEHMAN BROTHERS INC.
SG COWEN SECURITIES CORP.

  By: CREDIT SUISSE FIRST BOSTON CORPORATION

  By:_______________________________________
     Name:
     Title:Exhibit 10.8

  Agreement

  1.1 This  Agreement  binds two  parties,  The Concorde  Trust (the  Trust),  a
  charitable  trust  domiciled  in  Hamilton,  Bermuda,  and  Pretory  USA  Inc.
  (Pretory),  a Nevada (USA) corporation  engaged in providing  security related
  products and services,  to fund and provide services to Norwegian People's Aid
  (NPA), a  non-governmental  organization  involved in  humanitarian  demining,
  whose central offices are located in Oslo, Norway.

  1.2 This  Agreement will proceed  through three phases,  each of which must be
  validated by the designated  representatives  of the Trust,  NPA, and Pretory.
  Phase I involves the design of the Project.  Phase II focuses on the technical
  aspects  and the  final  planning  of the  Project.  Phase  III  involves  the
  execution and conclusion of the Project.

  1.3 The  validation of Phase I and Phase II, if  accomplished  and approved by
  the Trust and NPA, will be added as an exhibit to this Agreement.  All related
  briefing  material,  research,  and/or supporting  documentation  will also be
  added to this  Agreement as it is presented  and approved  chronologically  as
  exhibits to this Agreement for as long as this Agreement continues in force or
  until the completion of Phase III of the Project.

  1.4 The designated  representatives are considered to be the parties that have
  executed this Agreement. If for any reason a designated representative becomes
  unavailable  or is changed for any reason both the Trust and NPA must  approve
  in  writing  of these  changes  and this  acknowledgement  must be added as an
  exhibit to this Agreement.

  2.1 Phase I requires  Pretory to develop in conjunction with NPA a methodology
  for a  humanitarian  demining  Project in  Sarajevo,  Bosnia-Herzegovina.  The
  Project will be conducted  for NPA and operate  within the auspices of NPA and
  under their direction. Pretory will provide consulting services to develop and
  plan a  humanitarian  demining  Project that will: i) positively  identify the
  location of mines in a confirmed minefield with mines in a known location: the
  NPA Training  Minefield,  Sarajevo,  Bosnia-Herzegovina,  and, ii)  positively
  identify the location of mines in confirmed or suspected minefields with mines
  in  unknown  locations  around  Sarajevo,   Bosnia-Herzegovina  (see  attached
  Exhibits 1-8).

  2.2  Phase I of this Agreement will be concluded prior to 30 September 1999.

  2.3  Prior to the  conclusion  of Phase I,  Pretory  will be  responsible  for
  providing a complete  Project briefing to both the Trust and NPA. At a minimum
  the briefing  should  include:  i) an overview of the current  situation  with
  regard to humanitarian  demining in general and more  specifically with regard
  to NPA  activities  in  Sarajevo,  Bosnia-Herzegovina;  ii) a process  for the
  identification  of all  appropriate  technologies  necessary  to  support  the
  Project,  including an analytical  review of all known useful and commercially
  available devices or technologies that can be utilized to support the proposed
  Project;  iii)  an  operational  plan,  including  but not  limited  to a time
  schedule, an organizational and resource plan,  coordinating  instructions,  a
  scheme of  implementation,  and a  detailed  outline of  control  and  support
  issues; and iv) a budget for Phase II of the Project.
<PAGE>
2.4 If Phase I is approved Pretory will immediately begin Phase II.

3.1 Phase II requires a complete  technical  evaluation  of the  equipment to be
used to support Phase III of the Project and assumes that the proposed execution
of  Phase  III of the  Project,  as  presented  at the end of  Phase I, has been
tentatively approved by the Trust and NPA. In Phase II, Pretory must demonstrate
that the technology and organizations/personnel  selected to support the Project
have the ability to perform as required to  successfully  conclude  Phase III of
the Project.  NPA and the Trust will be solely  responsible  for the decision to
advance to Phase III and the actual implementation of the Project. The Trust and
NPA may employ whatever evaluation criteria or performance  objectives they deem
fit  exclusively  to validate  Phase II and to finalize and approve Phase III of
the Project.

3.2 Phase II of the Agreement will be completed by 31 December 1999.

3.3  Prior to the  conclusion  of Phase  II,  Pretory  will be  responsible  for
providing a complete  evaluation of all  technology  and equipment to be used to
execute Phase III of the Project,  including i) the documented  results of field
testing,  ii) a  demonstrated  capacity to utilize,  generate  and  evaluate the
results  produced  through the use of the technology  and equipment  selected to
provide  quantifiable and qualitative  results that can be evaluated as superior
to other known  commercially  available  technologies  and their use, and iii) a
demonstrated  ability to present the test  results in a manner that is judged to
be useful to NPA and other  organizations as directed by the Trust and NPA, such
as, the United Nations Mine Action  Service,  and the  International  Center for
Humanitarian Demining.

3.4 Pretory will submit prior to the  conclusion  of Phase II a detailed  budget
for  Phase  III of the  Project.  Again,  NPA  and  the  Trust  will  be  solely
responsible  for the  decision  to  advance  to the final  Phase and the  actual
Project  implementation.  The  Trust  and NPA  may  employ  whatever  evaluation
criteria or  performance  objectives  they deem fit  exclusively to finalize and
approve the Project.  Pretory will be notified by 15 March 2000 if the Trust and
NPA concur with the proposed Project,  and at that time will be given either the
approval or disapproval to proceed with the Project.

4.0  Pretory  will be  required  by the Trust to submit the  complete  Agreement
document (the Final  Agreement) with all exhibits to the Trust at the conclusion
of the final Phase of the Project. While it is recognized that Pretory will have
the  responsibility  to devise and manage every aspect of the Project,  with the
approval of NPA and the Trust, the final Agreement document,  which will include
an attractive  and  meaningful  final  presentation  of the  Project's  results,
including a final report suitable for publication in a form generally acceptable
to international academic forums that would be interested in the results of this
Project,  will be the property exclusively of the Trust, in totality.  The Trust
will have the  complete  discretion  to use the Final  Agreement  in any  manner
desired.

5.0 Pretory will be paid  $(US)400,000.00  to perform the services  outlined for
Phase I of the Project. The terms of payment will be 25% payable at 90 days from
invoice with the balance  payable at 120 days from invoice  unless  modified and
agreed to by both the Trust  and  Pretory.  Pretory  will  invoice  the Trust of
behalf of NPA,  but may not do so until  after the Phase I briefing  is made and
acknowledged  by the  Trust and NPA.  If the  briefing  is not made  prior to 30
September 1999, Pretory forfeits the ability to invoice the Trust or NPA for any
amount.

5.1 Pretory is  responsible  for it own costs and  expenses and will not be paid
any  additional  fees,  charges,  or any amount  beyond the stated amount above,
without the consent and at the total discretion of the Trust.
<PAGE>
5.2 The Trust will have the full  responsibility  to fulfill any financial terms
of this  total or any  portion  of this  Agreement  on behalf of NPA,  and in no
manner or condition will any financial responsibility derived from any aspect of
this  Agreement  be the  responsibility  of NPA without the specific and written
consent of NPA as attached as an exhibit to this Agreement.

5.3  The  financial  terms  relative  to the  completion  of  Phase  II  will be
determined at the conclusion of Phase I given the results and recommendations of
the findings included in the Phase I briefing.

5.4 The  financial  terms  relative  to the  completion  of  Phase  III  will be
determined at the  conclusion of Phase II given the results and  recommendations
of the findings included in the Phase II briefing.

6.0 The Trust and NPA will  unilaterally  have the ability to  discontinue  this
Project  at the  conclusion  of any  phase  of the  Project  at  their  sole and
independent discretion.

7.0  Pretory  will  strive to fully  inform  the  Trust  and NPA of all  Project
developments  and will work with the Trust and NPA to create a reporting  system
that provides a meaningful  appraisal of the Projects status weekly.  Throughout
the duration of the Project monthly reports will be provided and be added to the
Agreement as exhibits. Weekly reports need to be informative,  but can be verbal
as long as all parties are satisfied with the steady flow of reliable and timely
information.  The  Trust  and  NPA  will  remain  the  exclusive  judge  of  the
satisfactory nature of these reports.

8.0 The Trust and NPA  recognize  that Pretory is a "public  company,"  and that
from time-to-time  Pretory may have the desire to inform its shareholders of the
Company's activities as it relates to this Project.  Pretory will provide to the
Trust and to NPA a copy of all press  releases prior to their  distribution  for
the consideration and approval by the Trust and NPA unilaterally.

9.0 The Trust reserves the right to modify this Agreement as required  excepting
payment  terms and the  abbreviation  of time  schedules  at any time during the
Project.  All modifications will be acknowledged by NPA and Pretory and included
as an exhibit to this Agreement as they occur chronologically.

10.0 NPA has the right for any reason to withdraw  their support at any time for
any reason from this Project.  Should this occur the Trust,  with concurrence of
Pretory,  will have the  ability  to carry a  similar  Project  forward  without
restriction with any other organization involved in Humanitarian Demining.

  Signed and agreed to on 15 July 1999:

  ----------------------   ----------------------   ----------------------
  Per Nergaard              Andrew Mead               Raquel Velasco
  Norwegian Peoples Aid     The Concorde Trust        Pretory USA, Inc.

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