Document:

EX-10.3

SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT 

AND JOINT ESCROW INSTRUCTIONS

THIS SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT AND JOINT ESCROW INSTRUCTIONS (this
“Second Amendment”) is made and entered into June 22, 2010, by and between VINCENT MBL INVESTORS,
LP, a Texas limited partnership (“Seller”) and GRUBB & ELLIS EQUITY ADVISORS, LLC, a Delaware
limited liability company (“Buyer”).

RECITALS

A. Buyer and Seller entered into that certain Purchase and Sale Agreement and Joint Escrow
Instructions dated May 25, 2010, as amended by that certain First Amendment to Purchase and Sale
Agreement and Joint Escrow Instructions, dated June 21, 2010 (as amended, the “Agreement”), for the
sale and purchase of the Property as more particularly described in the Agreement.

B. The parties desire to further amend the Agreement as set forth hereafter.

NOW, THEREFORE, for and in consideration of the mutual covenants contained herein and other
good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereby agree as follows:

1. The recitals set forth above are true and correct and are incorporated herein by this
reference. Capitalized terms used herein and not otherwise defined shall have the meanings given
to them in the Agreement. In the event of any conflict between the terms in this Second Amendment
and the Agreement, the terms in this Second Amendment shall prevail and control.

2. The parties acknowledge that in connection with certain tenant improvement work currently
being performed at the Property, certain renovations will need to be made to the Property in order
to comply with certain “Life Safety” requirements. From and after the Closing Date, Buyer shall
assume all obligations for the completion of such renovations. In order to reimburse Buyer for the
cost of such renovations, at the Closing, the sum of Twenty-Five Thousand and No/100 Dollars
($25,000.00) shall be credited against the Purchase Price to be paid to Seller.

3. Section 7.1.10 is hereby deleted in its entirety and replaced with the following:

“7.1.10 Condemnation Proceedings. To Seller’s actual knowledge, there are no
presently pending or contemplated proceedings to condemn the Property or any part of it, other than
the contemplated condemnation of a portion of the Property in connection with the proposed
Cleveland Innerbelt Project of the Ohio Department of Transportation and any other contemplated
proceedings which may have been evidenced by documents included as part of the Due Diligence Items
delivered to Buyer.”

4. This Second Amendment may be executed in any number of counterparts, each of which when so
executed and delivered shall be deemed an original, and it shall not be necessary in making proof
of this Second Amendment to produce or account for any counterpart other than the one signed by the
party against whom enforcement is sought.

5. Except as modified by the terms of this Second Amendment, the terms and conditions of the
Agreement are hereby ratified and confirmed in all respects and shall remain in full force and
effect. A facsimile copy of this Second Amendment and any signatures thereon shall be considered
as originals for all purposes.

IN WITNESS WHEREOF, the parties hereto have executed this Second Amendment as of the day and
year first written above.

SELLER:

VINCENT MBL INVESTORS, LP,

a Texas limited partnership

By: VINCENT MANAGERS, LLC,

a Texas limited liability company

By: /s/ Jason K. Dodd

Jason K. Dodd, Manager

BUYER:

GRUBB & ELLIS EQUITY ADVISORS, LLC,

a Delaware limited liability company

By: /s/ Jeffrey T. Hanson

Name: Jeffrey T. Hanson

Title: President and Chief Executive OfficerEX-10.4

ASSIGNMENT AND ASSUMPTION

OF

PURCHASE AGREEMENT AND ESCROW INSTRUCTIONS

THIS ASSIGNMENT AND ASSUMPTION OF PURCHASE AGREEMENT AND ESCROW INSTRUCTIONS (this “Assignment”)
dated as of June 25, 2010, is made and entered into by and between GRUBB & ELLIS EQUITY ADVISORS,
LLC, a Delaware limited liability company (“Assignor”), and G&E HC REIT II ST. VINCENT CLEVELAND
MOB, LLC, a Delaware limited liability company (“Assignee”), with reference to the following
Recitals:

RECITALS

A. Assignor, as Grubb & Ellis Equity Advisors, LLC, is “Buyer” under that certain Purchase and
Sale Agreement and Joint Escrow Instructions effective as of May 25, 2010 (as the same may be
amended, the “Purchase Agreement”), by and between Assignor and Vincent MBL Investors, LP,
a Texas limited partnership, wherein Assignor agreed to purchase certain real property commonly
known as the St. Vincent Medical Office Building, situated in Cleveland, Ohio, as more particularly
described in the Purchase Agreement, on the terms and conditions set forth in the Purchase
Agreement.

B. Assignor desires to assign and transfer to Assignee, and Assignee desires to assume from
Assignor, all of Assignor’s right, title, claim and interest in, to and under the Purchase
Agreement.

NOW, THEREFORE, in consideration of the foregoing Recitals (which are incorporated herein by
this reference) and for other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, Assignor and Assignee hereby agree as follows:

AGREEMENT

1. Assignment; Assumption. Assignor hereby assigns and transfers to Assignee all of
Assignor’s right, title, claim and interest as “Buyer” or otherwise in, to and under the Purchase
Agreement. By executing this Assignment, Assignee hereby accepts such assignment and expressly
agrees to assume and be bound by all of the provisions of the Purchase Agreement from and after the
date hereof.

2. Successors and Assigns. This Assignment shall inure to the benefit of, and be
binding upon, the successors, executors, administrators, legal representatives and assigns of the
parties hereto.

3. Counterparts. This Assignment may be executed in any number of counterparts with
the same effect as if all of the parties had signed the same document. All counterparts shall be
construed together and shall constitute one agreement.

[Signatures on next page]IN WITNESS WHEREOF, the parties have caused this Assignment to
be executed by their duly authorized representatives as of the date first written above.

ASSIGNOR:

GRUBB & ELLIS EQUITY ADVISORS, LLC,

a Delaware limited liability company

	 	 	 
	By: /s/ Jeffrey T. Hanson

	Name:

Title:

	 	Jeffrey T. Hanson

President and Chief Executive Officer

ASSIGNEE:

G&E HC REIT II ST. VINCENT CLEVELAND MOB, LLC,

a Delaware limited liability company

	 	 	 
	By: /s/ Danny Prosky

	Name:

Title:

	 	Danny Prosky

Authorized SignatoryEX-4.1

THIRTY-SECOND SUPPLEMENTAL INDENTURE FOR

ADDITIONAL SUBSIDIARY GUARANTEES

Thirty-Second Supplemental Indenture (this “Supplemental Indenture for Additional
Guarantees”), dated as of June 23, 2010, among Elbow Creek Wind Power LLC and NRG Energy Services
LLC (each a “Guaranteeing Subsidiary” and together 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
party thereto and the Trustee, a tenth supplemental indenture, dated as of July 19, 2007, among the
Company, the Existing Guarantors party thereto and the Trustee (the “Tenth Supplemental
Indenture”), a thirteenth supplemental indenture (the “Thirteenth Supplemental Indenture”), dated
as of August 28, 2007, among the Company, the Existing Guarantors party thereto and the Trustee, a
sixteenth supplemental indenture (the “Sixteenth Supplemental Indenture”), dated as of April 28,
2009, among the Company, the Guaranteeing Subsidiary, the Existing Guarantors party thereto and the
Trustee, a nineteenth supplemental indenture, dated as of May 8, 2009, among the Company, the
Existing Guarantors and the Trustee (the “Nineteenth Supplemental Indenture”), a twenty-fourth
supplemental indenture, dated as of October 5, 2009, among the Company, the Existing Guarantors
party thereto and the Trustee (the “Twenty-Fourth Supplemental Indenture”) and a twenty-eighth
supplemental indenture, dated as of April 16, 2010, among the Company, the Existing Guarantors and
the Trustee (“the “Twenty-Eighth Supplemental Indenture” and together with the Base Indenture, the
First Supplemental Indenture, the Third Supplemental Indenture, the Fifth Supplemental Indenture,
the Seventh Supplemental Indenture, the Tenth Supplemental Indenture, the Thirteenth Supplemental
Indenture, the Sixteenth Supplemental Indenture, the Nineteenth Supplemental Indenture and the
Twenty-Fourth 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 Existing 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 Existing 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. The Guaranteeing Subsidiaries hereby become parties to
the First Supplemental Indenture as Guarantors 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. The
Guaranteeing Subsidiaries hereby agree 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,
the Guaranteeing Subsidiaries shall be deemed Guarantors 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.

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:

ELBOW CREEK WIND POWER LLC

By:       /s/ Christopher Sotos—

Name: Christopher Sotos

Title: Vice President & Controller

NRG ENERGY SERVICES LLC

By:  /s/ Michael R. Carroll

Name: Michael R. Carroll

Title: President

Issuer:

NRG ENERGY, INC.

	 	 	 
	By:       /s/ Christopher Sotos—

	 

	Name:

Title:

	 	Christopher Sotos

Vice President & 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

CARBON MANAGEMENT SOLUTIONS LLC

CLEAN EDGE ENERGY 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

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

KEYSTONE POWER LLC

LANGFORD WIND POWER, LLC

LOUISIANA GENERATING LLC

MIDDLETOWN POWER LLC

MONTVILLE IGCC LLC

MONTVILLE POWER LLC

NEO CORPORATION

NEO FREEHOLD-GEN LLC

NEO POWER SERVICES INC.

NEW GENCO GP, LLC

NORWALK POWER LLC

NRG AFFILIATE SERVICES INC.

NRG ARTESIAN ENERGY LLC

NRG ARTHUR KILL OPERATIONS INC.

NRG ASTORIA GAS TURBINE OPERATIONS, INC.

NRG BAYOU COVE LLC

NRG CABRILLO POWER OPERATIONS INC.

NRG CALIFORNIA PEAKER OPERATIONS LLC

NRG CEDAR BAYOU DEVELOPMENT COMPANY, 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 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 LLC

NRG RETAIL LLC

NRG SAGUARO OPERATIONS INC.

NRG SOUTH CENTRAL AFFILIATE SERVICES INC.

NRG SOUTH CENTRAL GENERATING LLC

NRG SOUTH CENTRAL OPERATIONS INC.

NRG TEXAS C&I SUPPLY LLC

NRG TEXAS LLC

NRG TEXAS HOLDING INC.

NRG TEXAS POWER LLC

NRG WEST COAST LLC

NRG WESTERN AFFILIATE SERVICES INC.

OSWEGO HARBOR POWER LLC

RELIANT ENERGY POWER SUPPLY, LLC

RELIANT ENERGY RETAIL HOLDINGS, LLC

RELIANT ENERGY RETAIL SERVICES, LLC

RELIANT ENERGY SERVICES TEXAS, LLC

RELIANT ENERGY TEXAS RETAIL, LLC

RE RETAIL RECEIVABLES, LLC

RERH HOLDINGS, 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/ Christopher Sotos—

	 

	Name:

Title:

	 	Christopher Sotos

Treasurer

	 	 	GCP FUNDING COMPANY, LLC

TEXAS GENCO LP, LLC

	 	 	 
	By:       /s/ Christopher Sotos—

	 

	Name:

Title:

	 	Christopher Sotos

Management Board Member

	 	 	NRG SOUTH TEXAS LP

By: Texas Genco GP, LLC, its General Partner

	 	 	 
	By:       /s/ Christopher Sotos—

	 

	Name:

Title:

	 	Christopher Sotos

Vice President & Treasurer

	 	 	TEXAS GENCO SERVICES, LP

By: New Genco GP, LLC, its General Partner

	 	 	 
	By:       /s/ Christopher Sotos—

	 

	Name:

Title:

	 	Christopher Sotos

Vice President & Treasurer

	 	 	NRG CONSTRUCTION LLC

	 	 	 	 	 
	 	 	By:       /s/ Rachel Smith—

	 	 	 

	 	 	Name:

Title:

	 	Rachel Smith

Treasurer
	Attest:
	 	

	 	

	By:       /s/ Tanuja M. Dehne—	 	 
	 	 	 
	Name:

Title:
	 	Tanuja M. Dehne

Corporate Secretary

	 	

1

	 	 	LAW DEBENTURE TRUST COMPANY OF NEW YORK,

as Trustee

	 	 	 
	By:       /s/ James D. Heaney—

	 

	Name:

Title:

	 	James D. Heaney

Managing Director

2

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00175-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00175-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00175-of-00352.parquet"}]]