Document:

EX-10.2

FORM

OF

INCENTIVE STOCK OPTION AGREEMENT

This Incentive Stock Option Agreement (this “Agreement”) is made as of the      day of
     , 200_, between Sport Supply Group, Inc., a Delaware corporation (the “Company”), and
[NAME] (“Optionee”).

To carry out the purposes of the Sport Supply Group, Inc. 2007 Stock Option Plan (the “Plan”),
by affording Optionee the opportunity to purchase shares of the common stock of the Company, par
value $0.01 per share (“Stock”), and in consideration of the mutual agreements and other matters
set forth herein and in the Plan, the Company and Optionee hereby agree as follows:

1. Grant of Option. The Company hereby irrevocably grants to Optionee, as a matter of
separate inducement and not in lieu of any salary or other compensation for Optionee’s services to
the Company, the right and option (“Option”) to purchase all or any part of an aggregate of
     shares of Stock on the terms and conditions set forth herein and in the Plan, which
Plan is incorporated herein by reference as a part of this Agreement. In the event of any
conflict between the terms of this Agreement and the Plan, the Plan shall control. Capitalized
terms used but not defined in this Agreement shall have the meaning attributed to such terms under
the Plan, unless the context requires otherwise. This Option is intended, to the maximum extent
permitted under the Code, to constitute an incentive stock option within the meaning of section
422(b) of the Code. Optionee acknowledges that only a portion of this Option may qualify as an
incentive stock option due to certain limitations set forth in the Code, including but not limited
to the limitation set forth in section 422(d) of the Code

2. Purchase Price. The purchase price of Stock purchased pursuant to the exercise of
this Option shall be $    per share, which has been determined to be not less than the Fair Market
Value of the Stock at the date of grant of this Option, which is      , 20     (the “Date of
Grant”). For all purposes of this Agreement, Fair Market Value of Stock shall be determined in
accordance with the provisions of the Plan.

3. Exercise of Option.

(a) Vesting Schedule. Subject to the earlier expiration of this Option as herein
provided or the occurrence of a Change in Control (as such term is defined in the Plan) while
Optionee is employed by or otherwise providing services to the Company, this Option will vest and
be exercisable, by written notice to the Company at its principal executive office addressed to the
attention of its Corporate Secretary (or such other officer or employee of the Company as the
Company may designate from time to time), at the times, and with respect to the percentage of the
aggregate number of shares of Stock offered by this Option, specified in the following schedule:

[add vesting schedule]

;provided, that Optionee remains continuously in the employ of or a service provider to the Company
or its Affiliates until the applicable vesting dates set forth above.

(b) Change in Control. In the event of a Change in Control (as such term is defined
in the Plan), each outstanding Option shall become fully vested and exercisable as to all Options,
including Options that would not otherwise be vested or exercisable. In no event, however, shall a
recapitalization of the Company, a reclassification of the Company’s capital stock, or other change
in the Company’s capital structure (a “recapitalization”), constitute a Change in Control, and the
exercise of this Option shall not be accelerated upon the occurrence of any such recapitalization;
instead, in the event of any recapitalization, the Option will be adjusted in accordance with
Section VIII of the Plan.

(c) Termination of Employment or Service Relationship. This Option may be exercised
only while Optionee remains an employee of or a service provider to the Company and will terminate
and cease to be exercisable upon termination of Optionee’s employment or service relationship with
the Company, except that:

(i) If Optionee’s employment or service relationship with the Company terminates by reason of
disability (within the meaning of section 22(e)(3) of the Code), this Option may be exercised by
Optionee (or Optionee’s legal representative) at any time during the period of one year following
such termination, but only as to the number of shares of Stock Optionee was entitled to purchase
hereunder as of the date Optionee’s employment or service relationship so terminates.

(ii) If Optionee dies while in the employ of or providing services to the Company, Optionee’s
estate, or the person who acquires this Option by will or the laws of descent and distribution or
otherwise by reason of the death of Optionee, may exercise this Option at any time during the
period of one year following the date of Optionee’s death, but only as to the number of shares of
Stock Optionee was entitled to purchase hereunder as of the date of Optionee’s death.

(iii) If Optionee’s employment or service relationship with the Company terminates for any
reason other than as described in Section 3(c)(i) or (ii) above, unless such employment or service
relationship is terminated for cause, this Option may be exercised by Optionee at any time during
the period of three months following such termination, or by Optionee’s estate (or the person who
acquires this Option by will or the laws of descent and distribution or otherwise by reason of the
death of Optionee) during a period of one year following Optionee’s death if Optionee dies during
such three month period, but, in each case, only as to the number of shares of Stock Optionee was
entitled to purchase hereunder as of the date Optionee’s employment or service relationship so
terminates. As used in this Section 3(c)(iii), the term “cause” shall mean Optionee (A) has been
convicted of a misdemeanor involving moral turpitude or of a felony, (B) has engaged in gross
negligence or willful misconduct in the performance of Optionee’s duties as an employee of or
service provider to the Company, or (C) has materially breached any material provision of any
written agreement between Optionee and the Company or any of its Affiliates. If Optionee is
terminated for cause, this Option shall not be exercisable for any period following such
termination.

If Optionee is on leave of absence for any reason, the Company may, in its sole discretion,
determine that Optionee will be considered to still be in the employ of or providing services to
the Company, provided that rights to the Option will be limited to the extent to which those rights
were earned or vested when the leave of absence began. In addition, the terms and provisions of
the employment agreement, if any, between Optionee and the Company or any Affiliate (the
“Employment Agreement”) that relate to or affect the Option are incorporated herein by reference.
Notwithstanding any provision of this Section 3 to the contrary, in the event of any conflict or
inconsistency between the terms and conditions of this Section 3 and the terms and conditions of
the Employment Agreement, the terms and conditions of the Employment Agreement shall be
controlling.

(d) Expiration Date. This Option shall not be exercisable in any event after the
expiration of 10 years from the Date of Grant hereof.

(e) Payment of Purchase Price. The purchase price of shares as to which this Option
is exercised shall be paid in full at the time of exercise, at Optionee’s election, with the
approval of the Company, (i) in cash (including check, bank draft or money order payable to the
order of the Company), (ii) by delivering or constructively tendering to the Company shares of
Stock having a Fair Market Value equal to the purchase price (provided such shares used for this
purpose must have been held by Optionee for such minimum period of time as may be established from
time to time by the Committee), (iii) if the Stock is readily tradable on a national securities
market, through a “cashless exercise” in accordance with a Company established policy or program
for the same, or (iv) any combination of the foregoing. No fraction of a share of Stock shall be
issued by the Company upon exercise of an Option or accepted by the Company in payment of the
exercise price thereof; rather, Optionee shall provide a cash payment for such amount as is
necessary to affect the issuance and acceptance of only whole shares of Stock. Unless and until a
certificate or certificates representing such shares shall have been issued by the Company to
Optionee, Optionee (or the person permitted to exercise this Option in the event of Optionee’s
death) shall not be or have any of the rights or privileges of a shareholder of the Company with
respect to shares acquirable upon an exercise of this Option.

4. Transferability. The Option, and any rights or interests therein, will be
transferable by Optionee only to the extent permitted pursuant to the terms of Section X.E. of the
Plan or approved by the Committee.

5. Withholding of Tax.

(a) Withholding Requirement. To the extent that the exercise of this Option or the
disposition of shares of Stock acquired by exercise of this Option results in compensation income
or wages to Optionee for federal, state or local tax purposes that are subject to withholding
requirements, Optionee shall deliver to the Company at the time of such exercise or disposition
such amount of money as the Company may require to meet its minimum obligation under applicable tax
laws or regulations. In connection with such an event requiring tax withholding, Optionee may (i)
direct the Company, in the Company’s discretion, to withhold from the shares of Stock to be issued
upon exercise the number of shares necessary to satisfy the Company’s obligation to withhold taxes,
that determination to be based on the shares’ Fair Market Value as of the date of exercise; (ii)
deliver to the Company, in the Company’s discretion, sufficient shares of Stock (based upon the
Fair Market Value as of the date of such delivery) to satisfy the Company’s tax withholding
obligation; or (iii) deliver sufficient cash to the Company to satisfy its tax withholding
obligations.

(b) Deficiency. If Optionee fails to pay the required amount to the Company and fails
to make a Stock Withholding Election, the Company is authorized to withhold from any cash
remuneration (or, Stock remuneration, including withholding any shares of Stock distributable to
Optionee upon exercise of this Option) then or thereafter payable to Optionee any tax required to
be withheld by reason of the exercise of this Option or the disposition of shares of Stock acquired
by exercise of this Option. If the Committee subsequently determines that the aggregate Fair
Market Value of any shares of Stock withheld or delivered as payment of any tax withholding
obligation is insufficient to discharge that tax withholding obligation, Optionee shall pay to the
Company, immediately upon the Committee’s request, the amount of the deficiency in the form of
payment requested by the Committee.

6. Penalties for Engaging in Certain Adverse Conduct. The Option granted pursuant to
this Agreement shall be subject to the provisions of this Section 6, unless the Committee (or its
duly appointed agent) determines, in its sole discretion, that it is in the best interest of the
Company not to apply the following provisions in a given case.

(a) Prohibited Conduct. Optionee shall be subject to the forfeiture penalties
described in Section 6(b) below if, at any time (i) prior to the expiration date specified in
Section 3(d), (ii) within one year following termination of Optionee’s employment or service
relationship, or (iii) within one year following Optionee’s exercise of this Option in full,
whichever is latest, Optionee engages in any activity that the Committee determines, in its sole
discretion exercised in good faith, to be in competition with the Company or inimical, contrary, or
harmful to the interests of the Company, including but not limited to (A) conduct related to
Optionee’s employment or service relationship with the Company for which either criminal or civil
penalties against Optionee may be sought, (B) a violation of Company policies (such as the
Company’s insider trading policy, a copy of which Optionee hereby acknowledges receipt), (C)
accepting employment with or serving as a consultant, director, advisor or in any other capacity to
an employer that is in competition with or acting against the interests of the Company (including
employing or recruiting any present, former or future employee of the Company), or (D) disclosing
or misusing any confidential information or material concerning the Company.

(b) Forfeiture Penalties. If the Committee determines that Optionee has engaged in
any conduct prohibited by Section 6(a) above:

(i) this Option shall terminate effective as of the date on which Optionee enters into such
prohibited activity, unless terminated earlier by operation of another term or condition of this
Agreement or the Plan; and

(ii) any Option Gain (as defined below) realized by Optionee upon exercise of the Option shall
be paid by Optionee to the Company within [     ] days following the termination of the Option
pursuant to Section 6(b)(i) above.

For purpose of this Agreement, the term “Option Gain” means the gain represented by the
average market price per share for the Stock on the date of exercise over the per share exercise
price of the Option, multiplied by the number of shares of Stock Optionee purchased without regard
to any subsequent market price increase or decrease.

(c) Set-Off. By accepting this Agreement, Optionee consents to a deduction from any
amounts the Company owes Optionee from time to time (including amounts owed to Optionee as wages or
other compensation, fringe benefits, or vacation pay, as well as any other amounts owed Optionee by
the Company), to the extent of any Option Gain Optionee owes the Company under this Section 6.
Whether or not the Company elects to make any set-off, in whole or in part, if the Company does not
recover the full amount of Option Gain owed to it by Optionee by means of a set-off as provided in
this Section 6(c), the Optionee agrees to pay any unpaid balance to the Company immediately.

7. Compliance with Securities Laws. Notwithstanding any provision of this Agreement
to the contrary, the grant of the Option and the issuance of Stock will be subject to compliance
with all applicable requirements of federal, state, and foreign securities laws and with the
requirements of any stock exchange or market system upon which the Stock may then be listed. The
Company may delay the exercise of the Option if the issuance of shares of Stock upon exercise
would constitute a violation of any applicable federal, state, or foreign securities laws or other
laws or regulations or the requirements of any stock exchange or market system upon which the
Stock may then be listed. Until the shares of Stock acquirable upon the exercise of the Option
have been registered for issuance under the Securities Act of 1933, as amended (the “Securities
Act”), the Company will not issue such shares unless the holder of the Option provides the Company
with a written opinion of legal counsel, who shall be satisfactory to the Company, addressed to
the Company and satisfactory in form and substance to the Company’s counsel, to the effect that
the proposed issuance of such shares to such Optionee may be made without registration under the
Securities Act. OPTIONEE IS CAUTIONED THAT THE OPTION MAY NOT BE EXERCISED UNLESS THE FOREGOING
CONDITIONS ARE SATISFIED. ACCORDINGLY, OPTIONEE MAY NOT BE ABLE TO EXERCISE THE OPTION WHEN
DESIRED EVEN THOUGH THE OPTION IS VESTED. As a condition to the exercise of the Option, the
Company may require Optionee to satisfy any qualifications that may be necessary or appropriate to
evidence compliance with any applicable law or regulation and to make any representation or
warranty with respect to such compliance as may be requested by the Company.

8. Extension if Exercise Prevented by Law. Notwithstanding Section 3(c), if the
exercise of the Option within the applicable time period set forth in Section 3(c) is prevented by
the provisions of Section 7, the Option will remain exercisable until 30 days after the date
Optionee is notified by the Company that the Option is exercisable, but in any event no later than
the expiration date set forth in Section 3(d). The Company makes no representation as to the tax
consequences of any such delayed exercise. Optionee should consult with Optionee’s tax advisor as
to the tax consequences of any such delayed exercise.

9. Extension if Optionee is a Section 16 Person. Notwithstanding Section 3(c), if a
sale within the applicable time periods set forth in Section 3(c) of shares acquired upon exercise
of the Option would subject Optionee to suit under section 16(b) of the Exchange Act, the Option
will remain exercisable until the earliest to occur of (a) the 10th day following the date on
which a sale of such shares by Optionee would no longer be subject to such suit, (b) the 190th day
after Optionee’s termination of service with the Company and any Affiliate, or (c) the expiration
date set forth in Section 3(d). The Company makes no representation as to the tax consequences of
any such delayed exercise. Optionee should consult with Optionee’s tax advisor as to the tax
consequences of any such delayed exercise.

10. Status of Stock. Optionee agrees that (a) the certificates representing the
            shares of Stock purchased under this Option may bear such legend or legends as the Committee deems
appropriate in order to assure compliance with Section 7 and applicable securities laws, (b) the
Company may refuse to register the transfer of the shares of Stock purchased under this Option on
the stock transfer records of the Company if such proposed transfer would, in the opinion of
counsel satisfactory to the Company, constitute a violation of Section 7 or any applicable
securities law, and (c) the Company may give related instructions to its transfer agent, if any,
to stop registration of the transfer of the shares of Stock purchased under this Option.

11. Adjustments. The terms of the Option shall be subject to adjustment from time to
time in accordance with Section VIII of the Plan.

12. Notice of Sales Upon Disqualifying Disposition of ISO. Because the Option is
designated as an incentive stock option, Optionee must comply with the provisions of this Section
12. Optionee must promptly notify the Chief Financial Officer of the Company if Optionee disposes
of any shares acquired pursuant to the Option within one year after the date Optionee exercises
all or any part of the Option or within two years after the Date of Grant. Until such time as
Optionee disposes of such shares in a manner consistent with the provisions of this Agreement,
unless otherwise expressly authorized by the Company, Optionee must hold all shares acquired
pursuant to the Option in Optionee’s name (and not in the name of any nominee) for the one year
period immediately after the exercise of the Option and for the two year period immediately after
the Date of Grant. At any time during the one year period or the two year period described above,
the Company may place a legend on any certificate representing shares acquired pursuant to the
Option requesting the transfer agent for the Company’s Stock to notify the Company of any
transfers in violation of this Section 12. Optionee’s obligation to notify the Company of any
such transfer will continue notwithstanding that a legend has been placed on the certificate
pursuant to the preceding sentence.

13. Employment or Service Relationship. For purposes of this Agreement, Optionee
shall be considered to be in the employment of or providing services to the Company as long as
Optionee remains an employee of or other service provider to either the Company, an Affiliate, or
an entity assuming or substituting a new option for this Option (or a parent or subsidiary of such
entity). Without limiting the scope of the preceding sentence, it is expressly provided that
Optionee’s employment or service relationship with the Company shall be considered to have
terminated at the time of the termination of the “Affiliate” status under the Plan of the entity
or other organization that employs Optionee or to which Optionee otherwise provides services.
Records of the Company regarding whether and when there has been a termination of Optionee’s
employment or service relationship, and the cause of such termination, shall be conclusive for all
purposes hereunder, unless determined by the Committee to be incorrect. Nothing contained in this
Agreement shall confer upon Optionee the right to continue in the employ of or to perform services
for the Company or any Affiliate, or interfere in any way with the rights of the Company or any
Affiliate to terminate Optionee’s employment or service relationship at any time.

14. Furnish Information. Optionee agrees to furnish to the Company all information
requested by the Company to enable it to comply with any reporting or other requirement imposed
upon the Company by or under any applicable statute or regulation.

15. Remedies. The Company shall be entitled to recover from Optionee reasonable
attorneys’ fees incurred in connection with the enforcement of the terms and provisions of this
Agreement whether by an action to enforce specific performance or for damages for its breach or
otherwise.

16. No Liability for Good Faith Determinations. The Company and the members of the
Committee and the Board shall not be liable for any act, omission or determination taken or made
in good faith with respect to this Agreement or the Option granted hereunder.

17. Execution of Receipts and Releases. Any payment of cash or any issuance or
transfer of shares of Stock or other property to Optionee, or Optionee’s legal representative,
heir, legatee or distributee, in accordance with the provisions hereof, shall, to the extent
hereof, be in full satisfaction of all claims of such persons hereunder. The Company may require
Optionee or Optionee’s legal representative, heir, legatee or distributee, as a condition
precedent to such payment or issuance, to execute a release and receipt therefore in such form as
the Company shall determine.

18. No Guarantee of Interests. The Board and the Company do not guarantee the Stock
of the Company from loss or depreciation.

19. Notice. All notices required or permitted under this Agreement must be in
writing and personally delivered or sent by mail and shall be deemed to be delivered on the date
received by the person to whom it is properly addressed or, if earlier, the date sent via
certified mail.

20. Waiver of Notice. Any person entitled to notice hereunder may, by written form,
waive such notice.

21. Information Confidential. As partial consideration for the granting of this
Option, Optionee agrees that Optionee will keep confidential all information and knowledge that
Optionee has relating to the manner and amount of Optionee’s participation in the Plan; provided,
however, that such information may be disclosed as required by law and may be given in confidence
to Optionee’s spouse and tax and financial advisors. In the event any breach of this promise
comes to the attention of the Company, it shall take into consideration that breach in determining
whether to recommend the grant of any future similar award to Optionee.

22. Binding Effect. This Agreement shall be binding upon and inure to the benefit of
any successors or assigns of the Company and all persons lawfully claiming under Optionee.

23. Severability. If any provision of this Agreement is held to be illegal or
invalid for any reason, the illegality or invalidity shall not affect the remaining provisions
hereof, but such provision shall be fully severable and this Agreement shall be construed and
enforced as if the illegal or invalid provision had never been included herein.

24. Company Action. Any action required of the Company shall be by resolution of the
Board or by a person authorized to act by resolution of the Board.

25. Headings. The titles and headings of paragraphs are included for convenience of
reference only and are not to be considered in construction of the provisions hereof.

26. Word Usage. Words used in the masculine shall apply to the feminine where
applicable, and wherever the context of this Agreement dictates, the plural shall be read as the
singular and the singular as the plural.

27. No Assignment. Optionee may not assign this Agreement or any of Optionee’s
rights under this Agreement without the Company’s prior written consent, and any purported or
attempted assignment without such prior written consent shall be void.

28. Amendment. The Option may be amended by the Board or by the Committee at any
time (a) if the Board or the Committee determines, in its sole discretion, that amendment is
necessary or advisable in light of any addition to or change in any federal or state, tax or
securities law or regulation, which change occurs after the Date of Grant and by its terms applies
to the Option; or (b) other than in circumstances described in Section 28(a), with Optionee’s
consent.

29. Entire Agreement. This Agreement constitutes the entire agreement of the parties
with regard to the subject matter hereof, and contains all covenants, promises, representations,
warranties and agreements between the parties with respect to the Option granted hereby. Without
limiting the scope of the preceding sentence, all prior understandings and agreements, if any,
among the parties hereto relating to the subject matter hereof are hereby null and void and of no
further force and effect.

30. Governing Law. This Agreement shall be governed by, and construed in accordance
with, the laws of the State of Delaware, without regard to conflicts of laws principles thereof,
except to the extent Delaware law is preempted by federal law. The obligation of the Company to
sell and deliver Stock hereunder is subject to applicable laws and to the approval of any
governmental authority required in connection with the authorization, issuance, sale or delivery
of such Stock.

31. Jurisdiction. Each of the Company and Optionee hereby irrevocably (i) submits and
consents to the personal jurisdiction of the state and federal courts sitting in Dallas County,
Texas with respect to any suit, action, or proceeding arising out of or based upon this Agreement
or the transactions contemplated hereby and (ii) waives the right to contend in any such action
that venue is improperly laid in any such court or that it is an improper or inconvenient forum or
lacks personal jurisdiction. If Optionee now or hereafter resides outside the State of Texas,
Optionee hereby irrevocably appoints the Corporate Secretary of the Company as Optionee’s
authorized agent upon whom process may be served at such Corporate Secretary’s Company office for
notices under this Agreement in any suit, action, or proceeding arising out of or based upon this
Agreement or the transactions contemplated hereby that may be instituted in any state or federal
court in the State of Texas by the Company. Optionee agrees to take any and all action, including
the filing of any and all documents and instruments, that may be necessary to continue such
appointment in full force and effect as aforesaid. Service of process upon the authorized agent of
Optionee and written notice of such service to Optionee shall be deemed, in every respect,
effective service of process as to Optionee for purposes of any such suit, action, or proceeding
instituted in any state or federal court in the State of Texas.

IN WITNESS WHEREOF, the Company has caused this Agreement to be duly executed by its officer
thereunto duly authorized, and Optionee has executed this Agreement, effective as of the day and
year first above written.

SPORT SUPPLY GROUP, INC.

By:

Name:

Title:

Date:

     

(Optionee Signature)

Print Name

Date:

Dallas 1300771v.2EX-4.1

THIRTEENTH SUPPLEMENTAL INDENTURE FOR

ADDITIONAL SUBSIDIARY GUARANTEES

Thirteenth Supplemental Indenture (this “Supplemental Indenture for Additional
Guarantees”), dated as of August [     ], 2007, among NRG Cedar Bayou Development Company, LLC and NRG
Construction LLC (collectively, the “Guaranteeing Subsidiaries”), each an indirect subsidiary of
NRG Energy, Inc., a Delaware corporation (the “Company”), the Company, the Existing Guarantors set
forth on the signature page hereto (the “Existing Guarantors”) and Law Debenture Trust Company of
New York, as trustee under the indentures referred to below (the “Trustee”).

W I T N E S S E T H

WHEREAS, the Company has heretofore executed and delivered to the Trustee an indenture (the
“Base Indenture”), dated as of February 2, 2006, between the Company and the Trustee, as amended by
a first supplemental indenture (the “First Supplemental Indenture”), dated as of February 2, 2006,
among the Company, the Guarantors named therein and the Trustee, providing for the original
issuance of an aggregate principal amount of $1,200 million of 7.250% Senior Notes due 2014 (the
“Initial Notes”), and, subject to the terms of the Indenture, future unlimited issuances of 7.250%
Senior Notes due 2014 (the “Additional Notes,” and together with the Initial Notes, the “Notes”), a
third supplemental indenture (the “Third Supplemental Indenture”), dated as of March 14, 2006,
among the Company, the Existing Guarantors party thereto and the Trustee, a fifth supplemental
indenture (the “Fifth Supplemental Indenture”), dated as of April 28, 2006, among the Company, the
Existing Guarantors party thereto and the Trustee, a seventh supplemental indenture (the “Seventh
Supplemental Indenture"), dated as of November 13, 2006, among the Company, the Existing Guarantors
and the Trustee and a tenth supplemental indenture, dated July 19, 2007, among the Company, the
Existing Guarantors and the Trustee (together with the Base Indenture, the First Supplemental
Indenture, the Third Supplemental Indenture, the Fifth Supplemental Indenture and the Seventh
Supplemental Indenture, the “Indenture”);

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiaries
shall execute and deliver to the Trustee a supplemental indenture pursuant to which the
Guaranteeing Subsidiaries shall unconditionally guarantee all of the Company’s Obligations under
the Notes and the Indenture (the “Additional Guarantees”); and

WHEREAS, pursuant to Section 4.17 of the First Supplemental Indenture, the Trustee, the
Company and the other Guarantors are authorized and required to execute and deliver this
Supplemental Indenture for Additional Guarantees.

NOW THEREFORE, in consideration of the foregoing and for good and valuable consideration, the
receipt of which is hereby acknowledged, the Guaranteeing Subsidiaries, the Trustee, the Company
and the other Guarantors mutually covenant and agree for the equal and ratable benefit of the
Holders of the Notes as follows:

1. Capitalized Terms. Unless otherwise defined in this Supplemental Indenture for Additional
Guarantees, capitalized terms used herein without definition shall have the meanings assigned to
them in the Indenture.

2. Agreement to be Bound; Guarantee. Each of the Guaranteeing Subsidiaries hereby becomes
party to the First Supplemental Indenture as a Guarantor and as such will have all of the rights
and be subject to all of the Obligations and agreements of a Guarantor under the Indenture. Each
of the Guaranteeing Subsidiaries hereby agrees to be bound by all of the provisions of the First
Supplemental Indenture applicable to a Guarantor and to perform all of the Obligations and
agreements of a Guarantor under the First Supplemental Indenture. In furtherance of the foregoing,
each of the Guaranteeing Subsidiaries shall be deemed a Guarantor for purposes of Article 10 of the
First Supplemental Indenture, including, without limitation, Section 10.02 thereof.

3. NEW YORK LAW TO GOVERN. THE INTERNAL LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED
TO CONSTRUE THIS SUPPLEMENTAL INDENTURE FOR ADDITIONAL GUARANTEES BUT WITHOUT GIVING EFFECT TO
APPLICABLE PRINCIPLES OF CONFLICTS OF LAW TO THE EXTENT THAT THE APPLICATION OF THE LAWS OF ANOTHER
JURISDICTION WOULD BE REQUIRED THEREBY.

4. Counterparts. The parties may sign any number of copies of this Supplemental Indenture for
Additional Guarantees. Each signed copy shall be an original, but all of them together represent
the same agreement.

5. Effect of Headings. The Section headings herein are for convenience only and shall not
affect the construction hereof.

6. The Trustee. The Trustee shall not be responsible in any manner whatsoever for or in
respect of the validity or sufficiency of this Supplemental Indenture for Additional Guarantees or
for or in respect of the recitals contained herein, all of which recitals are made solely by the
Guaranteeing Subsidiaries and the Company.

7. Ratification of Indenture; Supplemental Indenture for Additional Guarantees Part of
Indenture. Except as expressly amended hereby, the Indenture is in all respects ratified and
confirmed and all the terms, conditions and provisions thereof shall remain in full force and
effect. This Supplemental Indenture for Additional Guarantees shall form a part of the Indenture
for all purposes, and every Holder of Notes heretofore or hereafter authenticated and delivered
shall by bound hereby.

1

IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture for
Additional Guarantees to be duly executed and attested, all as of the date first above written.

Guaranteeing Subsidiaries:

NRG CEDAR BAYOU DEVELOPMENT COMPANY, LLC

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Treasurer

	 	 	NRG CONSTRUCTION LLC

	 	 	 
	By: /s/ Rachel Smith

	 

	Name:

Title:

	 	Rachel Smith

Treasurer

	 	 	Issuer:

NRG ENERGY, INC.

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Vice President and Treasurer

	 	 	Existing Guarantors:

ARTHUR KILL POWER LLC

ASTORIA GAS TURBINE POWER LLC

BERRIANS I GAS TURBINE POWER LLC

BIG CAJUN II UNIT 4 LLC

CABRILLO POWER I LLC

CABRILLO POWER II LLC

CHICKAHOMINY RIVER ENERGY CORP.

COMMONWEALTH ATLANTIC POWER LLC

CONEMAUGH POWER LLC

CONNECTICUT JET POWER LLC

DEVON POWER LLC

DUNKIRK POWER LLC

EASTERN SIERRA ENERGY COMPANY

EL SEGUNDO POWER LLC

EL SEGUNDO POWER II LLC

HANOVER ENERGY COMPANY

HOFFMAN SUMMIT WIND PROJECT, LLC

HUNTLEY IGCC LLC

HUNTLEY POWER LLC

INDIAN RIVER IGCC LLC

INDIAN RIVER OPERATIONS INC.

INDIAN RIVER POWER LLC

JAMES RIVER POWER LLC

KAUFMAN COGEN LP

KEYSTONE POWER LLC

LOUISIANA GENERATING LLC

MIDDLETOWN POWER LLC

MONTVILLE IGCC LLC

MONTVILLE POWER LLC

NEO CHESTER-GEN LLC

NEO CORPORATION

NEO FREEHOLD-GEN LLC

NEO POWER SERVICES INC.

NEW GENCO GP, LLC

NORWALK POWER LLC

NRG AFFILIATE SERVICES INC.

NRG ARTHUR KILL OPERATIONS INC.

NRG ASIA-PACIFIC, LTD.

NRG ASTORIA GAS TURBINE OPERATIONS, INC.

NRG BAYOU COVE LLC

NRG CABRILLO POWER OPERATIONS INC.

NRG CADILLAC OPERATIONS INC.

NRG CALIFORNIA PEAKER OPERATIONS LLC

NRG CONNECTICUT AFFILIATE SERVICES INC.

NRG DEVON OPERATIONS INC.

NRG DUNKIRK OPERATIONS INC.

NRG EL SEGUNDO OPERATIONS INC.

NRG GENERATION HOLDINGS, INC.

NRG HUNTLEY OPERATIONS INC.

NRG INTERNATIONAL LLC

NRG KAUFMAN LLC

NRG MESQUITE LLC

NRG MIDATLANTIC AFFILIATE SERVICES INC.

NRG MIDDLETOWN OPERATIONS INC.

NRG MONTVILLE OPERATIONS INC.

NRG NEW JERSEY ENERGY SALES LLC

NRG NEW ROADS HOLDINGS LLC

NRG NORTH CENTRAL OPERATIONS INC.

NRG NORTHEAST AFFILIATE SERVICES INC.

NRG NORWALK HARBOR OPERATIONS INC.

NRG OPERATING SERVICES, INC.

NRG OSWEGO HARBOR POWER OPERATIONS INC.

NRG POWER MARKETING INC.

NRG ROCKY ROAD LLC

NRG SAGUARO OPERATIONS INC.

NRG SOUTH CENTRAL AFFILIATE SERVICES INC.

NRG SOUTH CENTRAL GENERATING LLC

NRG SOUTH CENTRAL OPERATIONS INC.

NRG TEXAS LLC

NRG WEST COAST LLC

NRG WESTERN AFFILIATE SERVICES INC.

OSWEGO HARBOR POWER LLC

PADOMA WIND POWER, LLC

SAGUARO POWER LLC

SAN JUAN MESA WIND PROJECT II, LLC

SOMERSET OPERATIONS INC.

SOMERSET POWER LLC

TEXAS GENCO FINANCING CORP.

TEXAS GENCO GP, LLC

TEXAS GENCO HOLDINGS, INC.

TEXAS GENCO OPERATING SERVICES, LLC

VIENNA OPERATIONS INC.

VIENNA POWER LLC

WCP (GENERATION) HOLDINGS LLC

WEST COAST POWER LLC

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Treasurer

	 	 	LAKE ERIE PROPERTIES INC.

NRG TEXAS POWER LLC

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Vice President and Treasurer

	 	 	GCP FUNDING COMPANY, LLC

TEXAS GENCO LP, LLC

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Manager

	 	 	NRG SOUTH TEXAS LP

By: Texas Genco GP, LLC, its General Partner

	 	 	 
	By: /s/ Clint Freeland

	 

	Name:

Title:

	 	Clint Freeland

Vice President and Treasurer

	 	 	TEXAS GENCO SERVICES, LP

By: New Genco GP, LLC, its General Partner

	 	 	 	 	 	 	 
	 	 	 	 	By: /s/ Clint Freeland
	 	 	 	 	 
	Attest:

	 	

	 	Name:

Title:

	 	Clint Freeland

Vice President and Treasurer

	/s/ Tanuja M. Dehne
	 	 	 	 
	 
	 	 	 	 
	Name:

Title:

	 	Tanuja M. Dehne

Corporate Secretary
	 	

	 	

	 	 	LAW DEBENTURE TRUST COMPANY OF NEW YORK,

as Trustee

	 	 	 
	By: /s/ James D. Heaney

	 

	Name:

Title:

	 	James D. Heaney

Vice President

2

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