Document:

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                                                                   EXHIBIT 10.03

                        [TRIPLE NET PROPERTIES LLC LOGO]

January 12, 2004

VIA FACSIMILE (202) 333-3323

Mr. Gary Griffin
CONSORTIUM TWO - PUBLIC LEDGER, L.P.
c/o The Bernstein Companies
3299 K Street N.W., Suite 700
Washington, DC 20007

VIA FACSIMILE (215) 568-2604

Mr. Robert J. Faney, Jr.
Cushman & Wakefield of Pennsylvania, Inc.
1717 Arch  Street
30th Floor
Philadelphia, PA 19103

RE:      PUBLIC LEDGER BUILDING
         PHILADELPHIA, PA

Dear Gentlemen:

Pursuant to Section 3.8 of the real estate Purchase and Sale Agreement by and
between CONSORTIUM TWO - PUBLIC LEDGER, L.P. ("Seller") and Triple Net
Properties, LLC, a Virginia limited liability company ("Purchaser") (the
"Agreement"). The Purchaser's inspection Period expires on January 12, 2004.

The Purchaser has agreed to a price reduction of $300,000. Thus, the Purchase
Price is to be reduced to $33,950,000 from the original agreed-upon price of
$34,250,000.

Purchaser hereby approves the condition of the property as provided in Section
3.1.1 of the Agreement. Purchaser hereby agrees to waive all title objections
under Section 3.2.2.

Arrangements have been made to send the Additional Deposit of $500,000.

Buyer                                   Seller  Consortium Two-Public Ledger,
                                        L.P.

/s/ Anthony W. Thompson                 /s/ Marc N. Duber
------------------------------          ---------------------------------------
Anthony W. Thompson,                    By: Marc N. Duber
President, Triple Net Properties, LLC       Vice President

cc: Louis Rogers, Joseph J. McQuade, Hirschler Fleischer (via facsimile (804)
644-0957)

                           1551 North Tustin Avenue, Suite 200 - Santa Ana, CA
92705 tel 714.667.8252 toll-free 887.888.REIT (7348) 714.836.5263 fax
714.667.0611<PAGE>

                                                                   EXHIBIT 10.04

                 THIRD AMENDMENT TO PURCHASE AND SALE AGREEMENT

         THIS THIRD AMENDMENT TO PURCHASE AND SALE AGREEMENT (this "First
Amendment") is made as of this 4th day of February, 2004 by and between
CONSORTIUM TWO - PUBLIC LEDGER, L.P. ("Seller") and GREIT - PUBLIC LEDGER, LLC
("Purchaser").

                                   WITNESSETH:

         WHEREAS, on or about December 19, 2003, Seller and Triple Net
Properties, LLC, entered into that certain Purchase and Sale Agreement (the
"Original Agreement") for the purchase and sale of the property and improvements
located at 150 S. Independence Mall West, Philadelphia, Pennsylvania, all as
more particularly described in the Agreement (the "Property");

         WHEREAS, pursuant to that certain letter agreement dated January 8,
2004 (the "First Amendment"), Seller and Triple Net Properties, LLC amended the
Original Agreement to extend the Acceptance Date to 5:00 p.m. (local time at the
Property) on January 12, 2004.

         WHEREAS, pursuant to that certain letter agreement dated January 12,
2004 (the "Second Amendment"), Seller and Triple Net Properties, LLC amended the
Original Agreement, as amended, to, inter alia, to reduce the Purchase Price
from $34,250,000.00 to $33,950,000.00; extend the Acceptance Date to 5:00 p.m.
(local time at the Property) on January 12, 2004;

         WHEREAS, pursuant to that certain Assignment of Contract dated January
23, 2004 (the "Assignment"), Triple Net Properties, LLC, as assignor, assigned
all its right, title and interest to the Agreement (hereinafter defined) to
Purchaser, as assignee;

         WHEREAS, the parties desire by the execution of this Third Amendment to
further modify certain terms and provisions of the Agreement, as amended and
assigned, as more particularly set forth below.

         NOW, THEREFORE, in consideration of the mutual promises of the parties
hereto made one to another, and for other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, the parties hereto
agree as follows:

         1.       All capitalized terms used herein and not otherwise defined
herein shall have the meanings given them in the Original Agreement, as amended
and assigned. Notwithstanding anything to the contrary, the Original Agreement,
as amended by the First Amendment and the Second Amendment, and as assigned, is
referred to hereafter as the "Agreement."

         2.       The parties hereby acknowledge and agree that the Section 2.3
of the Original Agreement (captioned, "Closing") shall be amended such that the
Date of Closing shall now be February 11, 2004.

<PAGE>

         3.       The parties hereby acknowledge and agree that, in
consideration for Seller's agreement to extend the Date of Closing, Purchaser
shall, by federal wire transfer, promptly deliver to, and deposit with, the
Escrow Agent, no later than 5:00 p.m., Washington DC time, on February 5, 2004,
a non-refundable payment in the sum of Five Hundred Thousand and NO/100 U.S.
Dollars ($500,000.00) (the "Second Additional Deposit"). The parties acknowledge
and agree that the payment of the Second Additional Deposit to the Escrow Agent
is as an accommodation only. In the event Closing occurs on February 11, 2004,
the Purchase Price shall be reduced in an amount equal to the Second Additional
Deposit. However, in the event Closing does not occur on February 11, 2004, the
Escrow Agent shall transfer the Second Additional Deposit to Seller upon demand
therefor any time thereafter.

         4.       The remaining terms and provisions of the Agreement not
specifically and expressly modified hereby remain as originally written and the
parties hereto hereby ratify and confirm same; each hereby acknowledging that,
as of the date hereof, neither party is in default of its respective obligations
thereunder.

         5.       This Third Amendment shall be construed and enforced in
accordance with the laws of the Commonwealth of Pennsylvania.

         6.       This Third Amendment may be executed and delivered in any
number of counterparts, each of which so executed and delivered shall be deemed
to be an original and all of which shall constitute one and the same instrument.

                      [Signature page to follow hereafter]

<PAGE>

         IN WITNESS WHEREOF, The parties have executed this Third Amendment or
have caused this Third Amendment to be executed on their behalf, as of the day
and year first above written.

                                     SELLER:

                                     CONSORTIUM TWO - PUBLIC LEDGER, L.P. a
                                     Pennsylvania limited partnership

                                     By: Consortium Two - Public Ledger, Inc., a
                                         Delaware corporation, general partner

                                         By: /s/ Joseph S. Galli
                                             ---------------------------------
                                             Name: Joseph S. Galli
                                             Title: Vice President

                                     PURCHASER:

                                     GREIT - PUBLIC LEDGER, LLC, a Pennsylvania
                                     limited liability company

                                     By: TRIPLE NET PROPERTIES, LLC, a Virginia
                                         limited liability company, its manager

                                         By: __________________________________
                                             Name:
                                             Title:

<PAGE>

         IN WITNESS WHEREOF, the parties have executed this Third Amendment or
have caused this Third Amendment to be executed on their behalf, as of the day
and year first above written.

                                     SELLER:

                                     CONSORTIUM TWO - PUBLIC LEDGER, L.P. a
                                     Pennsylvania limited partnership

                                     By: Consortium Two - Public Ledger, Inc., a
                                         Delaware corporation, general partner

                                         By: __________________________________
                                             Name:
                                             Title:

                                     PURCHASER:

                                     GREIT - PUBLIC LEDGER, LLC, a Pennsylvania
                                     limited liability company

                                     By: TRIPLE NET PROPERTIES, LLC, a Virginia
                                         limited liability company, its manager

                                         By: /s/ Diana M. Laing
                                             ---------------------------------
                                             Name: DIANA M. LAING
                                             Title: CFO<PAGE>

                                                                   EXHIBIT 10.05

                 FOURTH AMENDMENT TO PURCHASE AND SALE AGREEMENT

         THIS FOURTH AMENDMENT TO PURCHASE AND SALE AGREEMENT (this "Amendment")
is made as of the 11th day of February, 2004, by and between CONSORTIUM TWO -
PUBLIC LEDGER, L.P. (the "Seller"), and GREIT - PUBLIC LEDGER, LLC (the
"Purchaser").

                                    RECITALS:

         A.       On or about December 19, 2003, Seller and Triple Net
Properties, LLC entered into that certain Purchase and Sale Agreement (the
"Original Agreement").

         B.       The Original Agreement was subsequently amended as of January
8, 2004, January 12, 2004, and February 5, 2004. The Original Agreement, as
amended, is referred to herein as the "Agreement".

         C.       The rights and obligations of Triple Net Properties, LLC were
assigned to Purchaser pursuant to that certain Assignment of Contract dated
January 23, 2004.

         D.       The Seller and Purchaser desire to amend the Agreement on the
terms contained herein.

         NOW, THEREFORE, for and in consideration of the foregoing, and other
good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the Seller and Purchaser intending to be legally bound, agree that
the Agreement is hereby amended as follows;

                  1.       All capitalized terms used herein shall have the
                           meanings given them in the Agreement, unless they are
                           otherwise specifically amended herein.

                  2.       Section 2.3 of the Original Agreement shall be
                           amended such that the Date of Closing shall now be
                           February 13, 2004.

                  3.       Purchaser agrees to immediately wire at least
                           $500,000 to the Escrow Agent, which shall become part
                           of the Deposit, upon full execution of this
                           Agreement.

                  4.       Purchaser hereby irrevocably authorizes and directs
                           the Escrow Agent that, upon receipt of 3 fully
                           executed copy of this Amendment, Escrow Holder shall
                           release to Seller the $1,500,000 of the Deposit held
                           by the Escrow Agent.

                  5.       In the event that Closing occurs on February 13,
                           2004, the entire Deposit, including the $1,500,000
                           released to Seller pursuant to this Amendment and the
                           $500,000 previously released to Seller, shall be
                           applied to the Purchase Price at the Closing.
<PAGE>
                  6.       Purchaser shall wire the remainder of the Purchase
                           Price to Escrow Holder no later than 12:00 p.m. EST
                           on Friday, February 13, 2004;

                  7.       In the event Purchaser fails to wire the remainder of
                           the Purchase Price to Escrow Agent by 12:00 p.m. EST
                           on Friday, February 13, 2004, Seller shall be
                           entitled to retain the additional $500,000 released
                           to the Seller pursuant to this Amendment.

                  8.       Except as hereby expressly modified, the Agreement
                           shall be unchanged, shall remain in full force and
                           effect and is hereby expressly ratified and confirmed
                           by Seller and Purchaser.

                  9.       This Amendment may be executed in multiple
                           counterparts, each of which shall constitute an
                           original and all of which shall constitute one and
                           the same agreement.  This Amendment may be delivered
                           by facsimile, and such facsimile counterparts shall
                           be valid and binding on the parties with the same
                           effect as if original signatures had been exchanged.

<PAGE>

         IN WITNESS WHEREOF, the Seller and Purchaser have caused this Amendment
to be executed by their duly authorized representative thereof.

                                             SELLER:

                                             CONSORTIUM TWO - PUBLIC LEDGER,
                                             L.P., a Pennsylvania limited
                                             partnership

                                             By:  Consortium Two - Public
                                                  Ledger, Inc., a Delaware
                                                  corporation, general partner

                                                  By: /s/ MARC N. DUBER
                                                      --------------------------
                                                      Marc N. Duber
                                                      Vice President

                                             PURCHASER:

                                             GREIT - PUBLIC LEDGER, LLC, a
                                             Pennsylvania limited liability
                                             company

                                             By:  Triple Net Properties, LLC, a
                                                  Virginia limited liability
                                                  company, its Manager

                                                  By: /s/ ANTHONY W. THOMPSON
                                                      --------------------------
                                                      Anthony W. Thompson
                                                      President

<PAGE>

         IN WITNESS WHEREOF, the Seller and Purchaser have caused this Amendment
to be executed by their duly authorized representative thereof.

                                             SELLER:

                                             CONSORTIUM TWO - PUBLIC LEDGER,
                                             L.P., a Pennsylvania limited
                                             partnership

                                             By:  Consortium Two - Public
                                                  Ledger, Inc., a Delaware
                                                  corporation, general partner

                                                  By: /s/ ADAM K. BERNSTEIN
                                                      --------------------------
                                                      Adam K. Bernstein
                                                      President

                                             PURCHASER:

                                             GREIT - PUBLIC LEDGER, LLC, a
                                             Pennsylvania limited liability
                                             company

                                             By:  Triple Net Properties, LLC, a
                                                  Virginia limited liability
                                                  company, its Manager

                                                  By: /s/ ANTHONY W. THOMPSON
                                                      --------------------------
                                                      Anthony W. Thompson
                                                      President

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