Document:

EX-10.1

SALE AGREEMENT

AND

ESCROW INSTRUCTIONS

(Desert Life and La Cholla)

	 	 	 	 	 
	Contract Date:
	 	October 19, 2007
	Desert Life Seller:
	 	2001 W. Orange Grove Road, LLC, an Arizona limited liability company, PVPInvestments, LLC, a Delaware limited
	 
	 	liability company, WRM Investments, LLC, an Arizona limited liability company, and EDI Baptist, LLC, an
	 
	 	Arizona limited liability company
	 
	 	25500 Hawthorne Boulevard, Suite 2250
	 
	 	Torrance, California  90505
	 
	 	Attention:William Metzler
	 
	 	Facsimile:(310) 375-4836
	 
	 	Telephone:(310) 614-1918
	 
	 	E-mail:wmetzler@westcoastcap.com
	and
	 	 	 	 
	La Cholla Seller:
	 	WRM Investments, LLC, an Arizona limited liability company, and SOD Investments, LLC, an Arizona limited
	 
	 	liability company
	 
	 	25500 Hawthorne Boulevard, Suite 2250
	 
	 	Torrance, California  90505
	 
	 	Attention:William Metzler
	 
	 	Facsimile:(310) 375-4836
	 
	 	Telephone:(310) 614-1918
	 
	 	E-mail:wmetzler@westcoastcap.com
	with a copy to:
	 	Kutak Rock LLP
	 
	 	8601 North Scottsdale Road, Suite 300
	 
	 	Scottsdale, Arizona  85253-2742
	 
	 	Attention:Joy A. Sullivan, Esq. & Brian Jordan, Esq.
	 
	 	Telephone:(480) 429-5000
	 
	 	Facsimile:(480) 429-5001
	 
	 	E-mail:joy.sullivan@kutakrock.com &
	 
	 	brian.jordan@kutakrock.com
	Buyer:
	 	Triple Net Properties, LLC, a Virginia liability company
	 
	 	1551 N. Tustin Avenue, Suite 200
	 
	 	Santa Ana, California 92705
	 
	 	Attention:Danny Prosky, VPAcquisitons &
	 
	 	Mat Streiff, Real Estate Counsel
	 
	 	Telephone:(714) 667-8252
	 
	 	Facsimile:(714) 667-6843
	 
	 	E-mail:dprosky@1031nnn.com &
	 
	 	msreiff@1031nnn.com

1

	 	 	 	 	 
	with a copy to:
	 	Cox, Castle & Nicholson LLP 
	 
	 	2049 Century Park East, 28th Floor
	 
	 	Los Angeles, CA 90067  
	 
	 	Attention:David P. Lari, Esq. &
	 
	 	Joseph E. Magri, Esq.
	 
	 	Telephone:(310) 277-4222
	 
	 	Facsimile:(310) 277-7889
	 
	 	E-mail:dlari@coxcastle.com &
	 
	 	jmagri@coxcastle.com
	Escrow Agent:
	 	Chicago Title Insurance Company
	 
	 	14287 N. 87th Street, Suite 117
	 
	 	Scottsdale, AZ  85260
	 
	 	Attention:Ms. Tonya Lively
	 
	 	Telephone: (480) 998-9298
	 
	 	Facsimile: (480) 998-9307
	 
	 	E-mail:livelyt@ctt.com
	Desert Life Escrow:
	 	Escrow No.  ___________________
	La Cholla Escrow:
	 	Escrow No.  ___________________

THE TERMS LISTED ABOVE ARE DEFINED TERMS THAT ARE REFERRED TO THROUGHOUT THE SALE AGREEMENT AND
ESCROW INSTRUCTIONS.

2

BACKGROUND

A. Desert Life Seller is the owner of that certain real property located at 2001 W. Orange
Grove Road, Tucson, County of Pima, State of Arizona, commonly known as Desert Life Medical Plaza,
and more particularly described in Schedule “1A” attached hereto (the “Desert Life Land”).

B. La Cholla Seller is the owner of that certain ground lease interest, as more particularly
described in Schedule “1B(i)” attached hereto (the “Ground Lease”), in the real property
located at 6261 North La Cholla Boulevard, Tucson, County of Pima, State of Arizona, and more
particularly described in Schedule “1B(ii)” attached hereto (the “La Cholla Land”). The
Desert Life Seller and the La Cholla Seller are referred to in this Sale Agreement and Escrow
Instructions (“Agreement” or “Contract”) individually or collectively, as appropriate, as the
“Seller.” The Desert Life Escrow and the La Cholla Escrow, to the extent separated, are referred
to collectively as the “Escrow.”

C. The Desert Life Land and the La Cholla Land are referred to collectively as the “Land.”
The buildings and all other improvements located on the Land are referred to collectively as the
“Improvements.” The Desert Life Land, together with the Improvements located on the Desert Life
Land, are referred to as the “Desert Life Project” and the La Cholla Land, together with the
Improvements located on the La Cholla Land and including the Building (as defined in Schedule
“1B(i)”), are referred to as the “La Cholla Project”. The Desert Life Project and the La
Cholla Project are referred to individually as the “Project” and collectively as the “Projects”.
The Projects, together with all rights, privileges, rights-of-way, and easements appurtenant to the
Land, are referred to in this Agreement as the “Real Property.”

D. In connection with the Projects, each respective Seller is the owner of certain contracts,
agreements, leases, warranties, guarantees, indemnities, claims, licenses, permits, plans,
drawings, specifications, surveys, and engineering reports (collectively, the “Contract Rights”).
Each respective Seller is the owner of any licenses, permits and certificates of occupancy issued
by governmental authorities relating to the use, maintenance, occupancy and/or operation of the
applicable Real Property and any development rights and other similar intangible personal property
appurtenant to the Real Property and/or owned by Seller and used exclusively by Seller in the use
and operation of the applicable Real Property, including, without limitation, and all agreements or
rights relating exclusively to the use or operation of the Real Property (the “Intangible
Property”). Each respective Seller is also the owner of any fixtures, furniture, appliances,
building supplies, equipment, machinery, inventory and other tangible items of personal property
owned by Seller and used in the operation of the applicable Real Property (the “Personal
Property”). The Real Property, the Contract Rights, the Intangible Property, and the Personal
Property are collectively referred to in this Agreement as the “Property.”

E. Seller desires to sell Seller’s interest in the Property to Buyer, and Buyer desires to
purchase Seller’s interest in the Property from Seller, in accordance with the terms and conditions
set forth in this Agreement.

AGREEMENT

1. Purchase of the Property. Seller agrees to sell, transfer, and convey to Buyer,
and Buyer agrees to purchase from Seller, Seller’s interest in the Property upon the terms and
conditions set forth in this Agreement. Although the Property includes two separate and distinct
Projects, the sale and purchase under this Contract shall be for the entire Property. Buyer
acknowledges that Seller’s obligation to sell the Property to Buyer is conditioned upon receipt of
written consent to the sale from the ground lessor under the Ground Lease (the “Ground Lessor”).
Failure to obtain the Ground Lessor’s consent shall not be a default by Seller.

2. Purchase Price. The purchase price (“Purchase Price”) for the Property shall be
Twenty-One Million and No/100 Dollars ($21,000,000.00). The Purchase Price shall be allocated with
respect to the Projects as $11,250,000.00 for the Desert Life Project and $9,750,000.00 for the La
Cholla Project. The Purchase Price shall be paid by Buyer as follows.

(a) Within one (1) business day following the execution of this Agreement, Buyer shall
deposit with Escrow Agent an earnest money deposit (the “Deposit”) in the amount of Seven
Hundred Fifty Thousand Dollars ($750,000.00); and

(b) On or before the Closing Date, all additional amounts (“Closing Cash”) required of
Buyer to pay the Purchase Price, after credit for the Deposit, and any other credits to
which Buyer is entitled pursuant to this Agreement, will be deposited by Buyer with Escrow
Agent and applied, together with the Deposit, in accordance with this Agreement.

3. Escrow.

(a) Seller and Buyer hereby appoint Escrow Agent with regard to the Desert Life Escrow
and the La Cholla Escrow (collectively, the “Escrow”) created pursuant hereto. The escrow
instructions to Escrow Agent attached as Schedule “2” to this Agreement will
supplement the terms and conditions of this Agreement (the “Additional Escrow
Instructions”). The text of this Agreement, however, governs over all conflicts and
inconsistencies with the attached escrow instructions. This Agreement will constitute the
sole joint escrow instructions of Buyer and Seller to Escrow Agent, and the standard form
escrow instructions of Escrow Agent will not be used for this Escrow. Although there will
be two separate Escrow accounts for closing, the Desert Life Escrow and the La Cholla Escrow
shall be maintained collectively as if only one escrow exists throughout the term of this
Agreement.

(b) The Deposit will be held by Escrow Agent in a fully federally insured or federally
backed investment approved by Buyer and Seller. All deposits and other payments required of
Buyer under this Agreement must be made in Good Funds. The term “Good Funds” means in cash,
by confirmed wire transfer, by certified check drawn on any bank, or by cashier’s check
issued by any bank representing good, sufficient, and immediately available U.S. funds.

(c) Upon the expiration of the “Due Diligence Period” (defined below), the Deposit is
fully earned by Seller and non-refundable to Buyer, except as expressly provided in this
Agreement. If the sale of the Property is consummated pursuant to this Agreement, then the
Deposit shall be credited against the Purchase Price at the Close of Escrow. Within one (1)
business day after the expiration of the Due Diligence Period, Escrow Agent shall release to
Seller a portion of the Deposit in the amount of Five Hundred Thousand and No/100 Dollars
($500,000.00) and the remainder of the Deposit shall remain in Escrow. If the sale of the
Property is not consummated because of the termination of this Agreement by Buyer in
accordance with any right to so terminate provided herein or for any other reason, except
for a default by Buyer, then the entire Deposit shall be immediately and automatically paid
over to Buyer without the need for any further action by either party hereto. In the event
the sale of the Property is not consummated because of a default by Buyer, the entire
Deposit shall be promptly paid to and retained by Seller in accordance with Section 16.

(d) The date of the opening of the Escrow (“Opening of Escrow”) will be the date on
which the last of the following has occurred: (i) Escrow Agent has received this Agreement
executed by Buyer and Seller; (ii) Escrow Agent has received the Deposit; and (iii) Escrow
Agent has accepted this Agreement as its escrow instructions by executing this Agreement on
the signature page. Escrow Agent is instructed to insert the date of opening in the
signature portion of this Agreement and to send a copy of the fully executed Agreement to
Buyer and Seller by facsimile transmission on the date of Opening of Escrow.

(e) The Close of Escrow (defined below) will occur on the later of (i) November 28,
2007; or (ii) three (3) business days following receipt of the Ground Lease Assignment
(defined below) executed and acknowledged by the Ground Lessor (as applicable, the “Closing
Date”), or such later day as expressly provided in this Agreement. If the Ground Lessor’s
executed Ground Lease Assignment is not received by December 14, 2007, Buyer or Seller shall
have the right to terminate this Agreement by delivering written notice to the other party
and Escrow Agent. If the Close of Escrow has not occurred by the Closing Date by reason of
a default hereunder, the defaulting party shall bear all escrow cancellation charges. For
purposes of this Agreement, the “Closing” or the “Close of Escrow” shall mean the date that
a fully-executed Deed (defined below) and Ground Lease Assignment conveying the Seller’s
interest in the Projects to Buyer is recorded in the Official Records of Pima County,
Arizona, by Escrow Agent.

4. Documents. Within five (5) days after the Opening of Escrow, Seller will deliver
to Buyer the following documents (collectively referred to as the “Property Documents”) to the
extent such documents are in Seller’s possession or under Seller’s control.

(a) A current rent roll with respect to the Property for the calendar month immediately
preceding the Opening of Escrow, showing with respect to each tenant of the Property: (1)
the name of the tenant, (2) the number of rentable square feet in tenant’s premises as set
forth in tenant’s lease, (3) the current monthly base rental payable by such tenant, (4) the
term of the lease; and (5) the amount of any security deposit (“Rent Roll”);

(b) A copy of all current tenant leases and amendments that affect the Property (the,
“Tenant Lease(s)”) as described on Schedule “9A” attached hereto;

(c) Copies of any service contracts, equipment leases, and other contracts relating to
the operation of the Property (the “Service Contracts”) as described on Schedule
“9B”;

(d) The Property’s operating statements for the calendar year ending in 2006 and
year-to-date statements;

(e) Without warranty, express or implied, an existing survey of the Desert Life Project
prepared by Stantec Consulting, Inc. Project No. 185305062 dated November 3, 2005, last
revised December 13, 2005, and an existing survey of the La Cholla Project prepared by
Stantec Consulting, Inc. Project No. 185306026 dated August 8, 2006 (collectively, the
“Existing Surveys”);

(f) Without warranty, express or implied, a Phase I Environmental Assessment for the
Desert Life Project prepared by EDI-RE Project No. 05-829 dated October 12, 2005, and a
Phase I Environmental Site Assessment Report for the La Cholla Project prepared by EBI
Consulting Project No. 11063728 dated July 14, 2006 (collectively, the “Environmental
Assessments”);

(g) The broker’s sales package for the Projects;

(h) The Projects’ 2006 CAM reconciliations submitted to tenants;

(i) The current year’s CAM estimates;

(j) Copies of existing property insurance certificates; Any available building plans
and specifications, if available;

(k) A list of utility companies, with account numbers, servicing the Property;

(l) Seller will make available at its property manager’s office, copies of all
correspondence with tenants related to any defaults and correspondence for any tenant at the
Property. In addition, during the term of this Agreement, Seller shall also provide Buyer
with copies of any new correspondence with tenants related to any defaults and
correspondence for any tenant at the Property; and

(m) A copy of the Ground Lease, together with all associated amendments, modifications,
extensions or supplements thereto.

If this Agreement is terminated for any reason, Buyer shall return all Property Documents to Seller
within one (1) business day thereafter.

5. Title.

(a) Preliminary Title Report. As soon as reasonably practicable after the
Opening of Escrow, Seller shall deliver to Buyer two current preliminary title reports
(collectively, the “Title Report”) issued by Escrow Agent showing the state of the Desert
Life Seller’s, with respect to the Desert Life Project, and the La Cholla Seller’s, with
respect to the La Cholla Project, title to the applicable Project, together with legible
copies of all matters shown as exceptions therein.

(b) Buyer’s Approval of Title. Buyer shall have the right until on or before
October 23, 2007 (“Title Review Period”) to give Seller written notice of Buyer’s
disapproval of any title exceptions or matters set forth in the Title Report, the Existing
Surveys or any other rights, interests, or matters related to title to the Property
(collectively, “Title Objections”). Buyer’s failure to give written notice of any Title
Objections prior to the expiration of the Title Review Period shall be deemed Buyer’s
approval of the Title Report.

(c) Seller’s Cure. If Buyer gives timely written notice of any Title
Objections, Seller may elect, by delivering written notice to Buyer and Escrow Agent, to:
(i) attempt to cure all or any of the Title Objections, in which case any Title Objections
cured by Seller will be considered to have been approved by Buyer; or (ii) not attempt to
cure all or any of the Title Objections; provided, however, at Close of Escrow, Seller must
pay off any and all labor, materialman’s and mechanic’s liens affecting or purporting to
affect the Property and arising out of work contracted for by Seller, except those arising
out of the investigations and testing of Buyer and its designated agents and independent
contractors, and any recorded or unrecorded mortgages, deeds of trust, or other monetary
liens affecting Seller’s title to the Property (collectively, the “Monetary Liens”).
Seller’s election under clause (i) or (ii) above must be made on or before 12:00 p.m. on
October 24, 2007. Seller’s failure to make a timely election under clause (i) or (ii) above
will be deemed an election not to attempt to cure under clause (ii) above. Seller will have
no obligation or duty to cure the Title Objections or to incur any expense in curing the
Title Objections. If Seller does not elect to cure such Title Objections or is deemed to
have elected not to cure such Title Objections, Buyer may elect on or before October 24,
2007, to either waive its objections, and proceed with the purchase of the Property pursuant
to the terms of this Agreement, or terminate this Agreement and all of its rights and
obligations. If Buyer fails to timely make such election, then Buyer shall be deemed to
have elected to proceed with the Closing. If Seller elects to remove any Title Objections,
Seller shall use commercially reasonable efforts to cause the removal of the Title
Objections at or prior to the Close of Escrow. If Seller elected to, but will be unable,
after using all commercially reasonable efforts, to remove a Title Objection at or prior to
the Close of Escrow, Seller shall give Buyer written notice of such inability not less than
three (3) business days prior to the Close of Escrow. Upon receipt of such written notice,
Buyer may elect, prior to the Close of Escrow, to either (i) terminate this Agreement and
receive a refund of the Deposit, or (ii) waive its objection and proceed with the Closing.

(d) New Title Defects. If at anytime prior to the Close of Escrow, Buyer
receives an update or supplement to the Title Report or Existing Survey and such update or
supplement discloses one or more title exceptions, or any other rights, interests or matters
relating to title to the Property that were not previously disclosed in the Property
Documents, Title Report or Existing Survey or discovered in the Inspections and are adverse
to Buyer’s interests in Buyer’s reasonable discretion (collectively, “New Title
Objections”), Buyer may, within three (3) business days after receiving such update or
supplement to the Title Report or Existing Survey, as the case may be, deliver to Seller a
written notice of Buyer’s disapproval of such New Title Objections and the process described
in Section 5(c) shall apply thereto, except that (i) Seller may elect in writing to attempt
to cure or not attempt to cure the New Title Objections by the earlier of two (2) business
days after receipt of Buyer’s written notice of the New Title Objections or the date that is
two (2) business days prior to the Closing Date (with failure to make a timely election
being deemed an election not to cure) (“Seller’s Cure Period”), and (ii) if Seller elects or
is deemed to have elected not to cure one or more of the New Title Objections, then Buyer
may elect on or before the earlier of two (2) business days after the expiration of Seller’s
Cure Period or one (1) business day prior to the Closing Date to either waive its objections
and proceed with the purchase of the Property pursuant to the terms of this Agreement, or
terminate this Agreement and all of its rights and obligations.

(e) Marketable Title. Concurrent with the Close of Escrow, Escrow Agent will
commit to issue to Buyer a standard coverage owner’s policy of title insurance in the amount
of the Purchase Price, subject only to (i) real property taxes and assessments, which are a
lien not yet due and payable, and (ii) those liens, encumbrances, easements and other
exceptions that Buyer does not object to (or is deemed to have accepted) pursuant to the
terms of Sections 5(b)-(d) above (“Permitted Exceptions”). The cost of the standard
coverage owner’s policy of title insurance will be paid by Seller. Any additional title
requirements, provisions or costs necessary to issue the extended coverage owner’s policy of
title insurance will be the sole responsibility of the Buyer. Except as may be otherwise
established in this Contract or agreed to by Seller in writing, if Buyer requires any
additional title insurance coverage (i.e., endorsements, reinsurance, direct access,
binders, etc.), Buyer will pay for the different or additional title insurance coverage.

6. Property Investigations.

(a) Inspections.

(i) During the period commencing with the Opening of Escrow and terminating on
October 24, 2007 (the “Due Diligence Period”), Buyer and its architects, engineers
and consultants, at Buyer’s sole cost and expense, shall have the right to inspect
the Real Property, make surveys and conduct such physical tests, studies and
investigations as Buyer may require (collectively, the “Inspections”). Buyer shall
have the right, at its sole expense, to obtain a new survey or environmental
assessment of the Projects or to update the Existing Surveys and Environmental
Assessments, all in accordance with this Section 6(a).

(ii) Buyer shall cause the Inspections to be conducted at times reasonably
acceptable to Seller upon reasonable advance notice and in a manner that does not
materially adversely affect the Real Property or unreasonably disrupt the business
operations of the occupants thereof.

(iii) Buyer will cause any person actually performing any investigations or
tests on the Property beyond a site visit to acquire and maintain, at Buyer’s or
the performing party’s sole cost and at all times from the date of initial entry on
the Property until the Closing Date, general liability insurance with an insurer
and with insurance limits and coverage reasonably satisfactory to Seller, but in no
event less than One Million Dollars ($1,000,000.00) per occurrence, that must
include coverage for the activities of Buyer or its agents on the Property and
naming Seller as an additional insured. Certificates of insurance evidencing the
insurance policies must be delivered by Buyer to Seller upon request.

(iv) Notwithstanding anything to the contrary in this Section 6(a), Buyer
shall not perform any intrusive or destructive testing without the prior written
consent of Seller, which may be withheld in Seller’s sole discretion.

(v) Upon completion of each Inspection, Buyer shall cause the portion of the
Real Property subject to such Inspection to be restored to the condition existing
immediately prior to such Inspection.

(vi) In the event of any termination of this Agreement, Buyer shall provide
Seller, at no additional charge and without warranty by Buyer, with copies of the
results of any physical tests or other reports made by or for Buyer at any time
prior to the Closing with respect to the Real Property.

(vii) Buyer hereby indemnifies, defends, and holds harmless Seller and its
members, managers, partners, officers, directors, agents, representatives and
affiliates for, from and against any and all claims, liabilities, demands and
actions and costs and expenses (including reasonable attorneys’ fees) arising from
or as a result of the death of or injury, loss or damage whatsoever caused to any
natural person or to the property of any person by reason of or in connection with
any Inspection, except to the extent caused by an indemnified party’s gross
negligence, recklessness or intentional misconduct, provided, however, that Buyer
shall have no responsibility or liability for any adverse condition or defect on or
affecting the Property not caused by Buyer or its agents, employees, or contractors
but discovered or impacted through authorized actions during their Inspections, so
long as Buyer immediately stops its Inspections and promptly notifies Seller of the
condition if any condition is discovered or impacted by Buyer.

(viii) Until the Closing, neither Buyer, nor Escrow Agent will make,
authorize, or confirm any public announcement of this transaction or discuss this
transaction or otherwise disclose any portion of the Project Documents or
Inspections, except as required by law or with those persons directly involved in
the transaction including attorneys, consultants, accountants, and lenders.

(ix) Buyer shall have the right, in Buyer’s sole and absolute discretion, to
terminate the Escrow and this Agreement for any reason whatsoever by delivering
written notice thereof to Seller and Escrow Agent (the “Termination Notice”) on or
before 5:00 p.m. (Arizona time) on the last day of the Due Diligence Period. If
Buyer fails to timely deliver the Termination Notice, Buyer shall be deemed to have
irrevocably waived its right to terminate escrow and this Agreement pursuant to
this Section 6(a), Buyer shall be deemed to have accepted the Property Documents,
the Inspections and the condition of the Property. If Buyer timely elects to
terminate the Escrow and this Agreement pursuant to this Section 6(a), then (i) the
Deposit, including all interest accrued thereon, less Buyer’s share of any escrow
or title costs or expenses as set forth below, shall be returned to Buyer, (ii) all
documents and instruments in Escrow shall be returned to the party delivering the
same, (iii) Buyer shall return all items previously delivered by Seller to Buyer,
(iv) Buyer and Seller each shall pay one-half of all escrow and title cancellation
charges, and (v) thereafter, neither party shall have any further rights,
obligations or liabilities whatsoever to the other party by reason of this
Agreement, other than obligations and liabilities which expressly survive the
termination of this Agreement.

The indemnification obligations of Buyer under this Section 6(a) shall survive the Closing or
earlier termination of this Agreement.

7. Seller’s Covenants. Until the Close of Escrow, each Seller covenants and agrees,
with respect to its respective Project only, that it shall:

(a) Except for any conditions disclosed in the Property Documents, the Inspections, or
otherwise disclosed by Seller to Buyer in writing, maintain the Project in good condition
and perform, at Seller’s sole cost and expense, all routine maintenance and repairs and
otherwise operate the Project in accordance with the same management standards as were
employed by Seller prior to the Opening of Escrow.

(b) Between the date of this Agreement and the Close of Escrow, Seller shall not create
or consent to any liens, encumbrances, defects in or exceptions to title, restrictions or
easements affecting the Property that will not be released at the Close of Escrow.

(c) Keep in effect all insurance coverage currently in force with respect to the
Project and promptly comply with all requirements of the insurance companies with respect to
such coverage.

(d) Except as expressly permitted otherwise in this Agreement, Seller will not enter
into or extend any lease affecting the Property or any portion thereof without Buyer’s
consent. Prior to the expiration of the Due Diligence Period, Buyer’s consent may not to be
unreasonably or untimely conditioned or withheld; after expiration of the Due Diligence
Period, Buyer may withhold its consent in its sole and absolute discretion. Buyer shall
provide Buyer’s written consent or disapproval within five (5) days after written notice of
the proposed lease or Buyer shall be deemed to have approved of such lease.

(e) At least 10 days prior to the Closing Date, Buyer shall notify Seller in writing
which of the Service Contracts that Buyer elects for Seller to terminate. If Buyer does not
timely elect for Seller to terminate any of the Service Contracts, the Service Contracts
shall be listed on the exhibit to the Assignment of Contracts (defined below). If Buyer
timely elects for Seller to terminate one or more of the Service Contracts, then, at the
Closing, Seller shall cause the applicable Service Contract(s) to be terminated at the
earliest time permitted under the applicable Service Contract(s). In any event, as of the
Closing Seller shall terminate all leasing or management agreements applicable to the
Property.

(f) Use its reasonable efforts to obtain estoppels (collectively, “Tenant Estoppels”)
from all tenants under Tenant Leases. It shall be a condition to Buyer’s obligation to close
hereunder that Tenant Estoppels are obtained from tenants under Tenant Leases comprising an
aggregate of sixty percent (60%) of the leased space in the buildings at the Property as of
the Opening of the Escrow, which percentage must include all tenants occupying more than
8,000 leasable square feet (the “Required Estoppels”). Seller agrees to use the form of
estoppel that Buyer provides within five (5) days of the Contract Date, or, if Buyer fails
to timely provide its preferred form, the form that is attached to this Agreement as
Schedule “10” (subject in either case to any tenant’s right to use the form attached
to its Tenant Lease). The Required Estoppels shall not show any materially adverse matters,
including, without limitation, any material default or purported default thereunder by any
party. Buyer shall notify Seller in writing within four (4) business days after receipt by
Buyer of an applicable Required Estoppel of any materially adverse matter so disclosed. If
Buyer timely notifies Seller of any Required Estoppel that reveals any materially adverse
matter, Seller shall have until the earlier of five (5) days after notice from Buyer or
until two (2) business days prior to the Closing Date to attempt to cure such matter and
cause the applicable tenant to execute a replacement Tenant Estoppel removing reference to
the materially adverse matter. If Seller is unable to cure and/or obtain the Required
Estoppels, it shall not be default by Seller, but shall give Buyer the right to terminate
this Agreement and receive the return of its Deposit. Upon receipt Seller shall deliver any
Tenant Estoppel received to Buyer. Seller shall reasonably cooperate with Buyer in
obtaining customary subordination and non-disturbance agreements from the tenants at the
Property, provided the receipt of such agreements shall not be a condition to closing or
require Seller to incur any material cost or expense. Seller shall also use its reasonable
efforts to obtain estoppels from the benefited parties of any restrictive covenants
encumbering the Property.

(g) Seller and Buyer shall work in good faith and use commercially reasonable efforts
to agree on a form of recordable ground lessor’s consent, estoppel certificate and agreement
(the “Ground Lease Estoppel Certificate”), which shall be evidenced by an amendment to this
Agreement attaching the approved form, by October 31, 2007 (the “Estoppel Termination
Date”). The approved form of Ground Lease Estoppel Certificate shall include language
confirming that Buyer’s lender constitutes a “Leasehold Mortgagee” (as defined in the Ground
Lease) and is a direct beneficiary of all of the rights and privileges of a Leasehold
Mortgagee under the Ground Lease. If Seller and Buyer are unable to agree on a form of
Ground Lease Estoppel Certificate by the Estoppel Termination Date, then Buyer shall have
the right to terminate this Agreement without default on or before the Estoppel Termination
Date. If, however, Seller and Buyer do agree on a form of Ground Lease Estoppel Certificate
on or before the Estoppel Termination Date, then Seller shall work in good faith and use
commercially reasonable efforts to obtain and deliver the agreed upon Ground Lease Estoppel
Certificate to Buyer, which shall be dated no earlier than fifteen (15) business days prior
to the Closing Date. Seller hereby expressly acknowledges and agrees that Seller’s
obligation to deliver the Ground Lease Estoppel Certificate to Buyer is a condition
precedent to Buyer’s obligation to close the transaction contemplated by this Agreement and
if Seller does not deliver the Ground Lease Estoppel Certificate to Buyer prior to the
Closing Date, then Buyer shall have the right to terminate this Agreement without default.

8. Seller’s Representations and Warranties. In consideration of Buyer entering into
this Agreement, and as an inducement to Buyer to purchase the Property, the Desert Life Seller
makes the following representations and warranties with respect to itself and the Desert Life
Project only, and the La Cholla Seller makes the following representations and warranties with
respect to itself and the La Cholla Project only:

(a) Each Seller has the right, power, and authority to make and perform its obligations
under this Agreement and the execution, delivery, and performance of this Agreement and
completion of the purchase and sale transaction described in this Agreement does not violate
any contract, agreement, or commitment to which such Seller is a party or by which such
Seller is bound (subject to receipt of consent from the Ground Lessor with respect to the La
Cholla Project).

(b) Each Seller is the sole owner of, and has the full power and authority to sell and
convey its interest in, its respective Project (subject to receipt of consent from the
Ground Lessor with respect to the La Cholla Project).

(c) Attached as Schedule “9A” is a list of Tenant Leases as of the Opening of
Escrow and to Seller’s knowledge such list is complete and accurate. The Tenant Leases are
in full force and effect and no tenant is in material default under its respective Tenant
Lease, except as may be noted on the rent roll delivered to Buyer. Seller has no knowledge
of any Seller default under the Tenant Leases. Attached as Schedule “9B” is a list
of Service Contracts as of the Opening of Escrow and to Seller’s knowledge such list is
complete and accurate.

(d) Seller has no knowledge of any pending or threatened condemnation affecting the
Property.

(e) Seller is not, and will not become during the term of the Agreement, a person or
entity with whom persons of the United States are restricted from doing business with under
regulations of the Office of Foreign Asset Contract (“OFAC”) of the U.S. Department of
Treasury (including those named on OFAC’s specifically designated and blocked persons list)
or under any statute, execution order (including the September 24, 2001, Executive Order
blocking Property and Prohibiting Transactions with Persons who commit, threaten to commit,
or support terrorism), or other governmental action.

(f) There is no litigation pending, nor to Seller’s actual knowledge threatened, with
respect to the Property.

(g) Seller has not received any notifications from any governmental authority having
jurisdiction over the Property alleging that the Property does not conform to or violates
any applicable law with respect to the Property.

(h) The operating statements delivered to Buyer pursuant to Section 4 are the operating
statements used by Seller in the ordinary course of business for the Property.

(i) To Seller’s knowledge, the Ground Lease (i) is in full force and affect, and (ii)
there exists no defaults, which with the giving of notice or the passage of time, or both,
would constitute a default thereunder.

As used in this Agreement, the words “Seller’s knowledge” or “Seller’s actual knowledge” or words
of similar import shall be deemed to mean the actual knowledge of William R. Metzler and Scott O.
Douglas (without any duty of investigation or verification of the matter on a current or ongoing
basis and subject to all information given and disclosures made pursuant to this Agreement), who
shall have no personal liability for any of the representations, warranties, covenants or
obligations of Seller hereunder. Seller represents and warrants that William R. Metzler and Scott
O. Douglas are the representatives of Seller reasonably in position to have actual knowledge of the
truthfulness of the representations and warranties above. Except as expressly herein otherwise
provided, and except as modified by written information delivered by Seller to Buyer prior to the
Close of Escrow, the representations and warranties of Seller set forth in this Agreement shall be
true, complete and correct as of the date hereof and as of the Close of Escrow as if such
representations and warranties were made on and as of such time. Seller’s representations and
warranties pursuant to this Section shall survive the Close of Escrow for a period of six (6)
months. If Buyer discovers a material breach of any of Seller’s representations made pursuant to
this Section 8 prior to the Closing, Buyer promptly must deliver written notice to Seller of the
alleged breach, and Seller will have the right to either correct or cure the untrue representation
or do nothing. An election by Seller to cure or correct the untrue representation may be made only
by delivery of written notice to Escrow Agent and Buyer within five (5) days of Seller’s receipt of
Buyer’s notice. Failure of Seller to timely make an election to cure will be deemed an election to
do nothing. If Seller elects or is deemed to have elected to do nothing, Buyer will have the
right, as its sole remedy, to either: (i) terminate this Agreement, receive a refund of the Deposit
and be reimbursed by Seller for Buyer’s Out-of-Pocket Costs (as defined below) in an amount not to
exceed $25,000, or (ii) consummate the purchase of the Property without credit or adjustment of the
Purchase Price. All elections must be made within five (5) days of the receipt of the applicable
notice or election, and Buyer’s failure to timely make an election under the preceding sentence
shall be deemed an election to proceed under (ii). As used in this Contract, the term
“Out-of-Pocket Costs” means all out-of-pocket costs that were actually incurred by Buyer in
negotiating this Contract or performing any acts required or permitted under this Contract
(including attorney fees, due diligence expenses, consultant fees, transaction expenses, survey
costs, escrow fees, loan application fees, loan fees, and the like). When making a claim for
reimbursement of Out-of-Pocket Costs, Buyer must supply copies of relevant invoices, contracts, and
the like documenting the costs and loss.

9. “AS IS” PURCHASE/RELEASE. EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT
AND ANY CLOSING DOCUMENTS DELIVERED IN CONNECTION WITH THIS AGREEMENT, BUYER
ACKNOWLEDGES AND AGREES THAT SELLER HAS NOT MADE, DOES NOT MAKE AND SPECIFICALLY NEGATES
AND DISCLAIMS ANY REPRESENTATIONS, WARRANTIES, PROMISES, COVENANTS, AGREEMENTS, OR GUARANTIES OF
ANY KIND OR CHARACTER WHATSOEVER, WHETHER EXPRESS OR IMPLIED, ORAL AND WRITTEN, PAST, PRESENT, OR
FUTURE, OF, AS TO, CONCERNING OR WITH RESPECT TO: (A) THE VALUE, NATURE, QUALITY OR CONDITION OF
THE PROPERTY, INCLUDING, WITHOUT LIMITATION, THE WATER, SOIL, AND GEOLOGY; (B) THE INCOME
TO BE DERIVED FROM THE PROPERTY; (C) THE SUITABILITY OF THE PROPERTY FOR ANY AND
ALL ACTIVITIES AND USES WHICH BUYER MAY CONDUCT; (D) THE COMPLIANCE OF OR BY THE
PROPERTY OR ITS OPERATION WITH ANY LAWS, RULES, ORDINANCES, OR REGULATIONS OF ANY
APPLICABLE GOVERNMENTAL AUTHORITY OR BODY; (E) THE HABITABILITY, MERCHANTABILITY, MARKETABILITY,
PROFITABILITY, OR FITNESS FOR A PARTICULAR PURPOSE OF THE PROPERTY; (F) THE MANNER OR
QUALITY OF THE CONSTRUCTION OR MATERIALS, IF ANY, INCORPORATED INTO THE PROPERTY; (G) THE
MANNER, QUALITY, STATE OF REPAIR, OR LACK OF REPAIR OF THE PROPERTY; AND (H) ANY OTHER
MATTER WITH RESPECT TO THE PROPERTY, AND SPECIFICALLY, THAT, EXCEPT AS SPECIFICALLY SET
FORTH ABOVE, SELLER HAS NOT MADE, DOES NOT MAKE, AND SPECIFICALLY DISCLAIMS ANY
REPRESENTATIONS REGARDING COMPLIANCE WITH ANY ENVIRONMENTAL PROTECTION, POLLUTION, OR LAND USE
LAWS, RULES, REGULATIONS, ORDERS, OR REQUIREMENTS.

Buyer’s Initials:__________

EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT AND ANY CLOSING DOCUMENTS DELIVERED IN
CONNECTION WITH THIS AGREEMENT, BUYER FURTHER ACKNOWLEDGES AND AGREES THAT TO THE
MAXIMUM EXTENT PERMITTED BY LAW, THE SALE OF THE PROPERTY AS PROVIDED FOR HEREIN IS MADE ON
AN “AS IS” CONDITION AND BASIS WITH ALL FAULTS. EXCEPT AS EXPRESSLY SET FORTH IN THIS
AGREEMENT AND ANY CLOSING DOCUMENTS DELIVERED IN CONNECTION WITH THIS AGREEMENT,
BUYER AND ANYONE CLAIMING BY THROUGH OR UNDER BUYER FULLY AND IRREVOCABLY RELEASES
SELLER, ITS EMPLOYEES, OFFICERS, DIRECTORS, REPRESENTATIVES, AND AGENTS FROM ANY AND ALL
CLAIM THAT IT MAY NOW HAVE OR HEREAFTER ACQUIRE AGAINST SELLER, ITS EMPLOYEES, OFFICERS,
DIRECTORS, REPRESENTATIVES, AND AGENTS FOR ANY COST, LOSS, LIABILITY, DAMAGE, EXPENSE, DEMAND,
ACTION, OR CAUSE OF ACTION ARISING FROM OR RELATED TO ANY CONSTRUCTION DEFECTS, ERRORS, OMISSIONS,
OR OTHER CONDITIONS, INCLUDING ENVIRONMENTAL MATTERS AFFECTING ALL OR ANY PORTION OF THE
PROPERTY. FURTHERMORE, BUYER EXPRESSLY ACKNOWLEDGES THAT IT IS NOT RELYING ON ANY
REPRESENTATIONS OR ASSURANCES CONCERNING THE PROPERTY FROM SELLER’S BROKER OR AGENT
OR ANY OTHER REAL ESTATE BROKER OR AGENT. THE PROVISIONS OF THIS SECTION 9 WILL SURVIVE THE
CLOSING.

Buyer’s Initials:__________

10. Buyer Representations. Buyer warrants and represents:

(a) Buyer is validly existing and in good standing under the laws of the state of its
formation and organization and has full authority to enter into this Agreement and all
documents contemplated under this Agreement and required in order to effect a Closing. The
persons executing this Agreement and all other documents contemplated under this Agreement
in order to effect a Closing on behalf of Buyer are duly authorized to do so and to bind
Buyer to this Agreement and all related agreements.

(b) None of the funds used by Buyer to pay the Purchase Price (including the Earnest
Money Deposit) are subject to the provisions of 18 U.S.C. §§ 1956-1957 (Laundering of Money
Instruments), 18 U.S.C. §§ 981-986 (Federal Asset Forfeiture), 21 U.S.C. § 881 (Drug
Property Seizure), Executive Order No. 13224 on Terrorism Financing, or the United and
Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct
Terrorism Act of 2001, H.R. 3162, Public Law 107-56.

(c) Buyer is not, and will not become during the term of the Agreement, a person or
entity with whom persons of the United States are restricted from doing business with under
regulations of the Office of Foreign Asset Contract (“OFAC”) of the U.S. Department of
Treasury (including those named on OFAC’s specifically designated and blocked persons list)
or under any statute, execution order (including the September 24, 2001, Executive Order
blocking Property and Prohibiting Transactions with Persons who commit, threaten to commit,
or support terrorism), or other governmental action.

11. Condemnation Prior to Closing. Seller, upon actually becoming aware of same,
shall promptly notify Buyer, in writing, of any condemnation proceeding affecting the Real Property
commenced prior to the Close of Escrow or upon receipt of any written notice of a potential
condemnation. If at any time prior to the Closing Date, there shall be a taking by eminent domain
proceedings or the commencement of any such proceedings with respect to either (a) any building
located on the Property, (b) access to and from the Property, (c) any parking spaces the taking of
which would cause the Property to be in violation of applicable laws, or (d) would give any tenant
occupying at least 4,000 square feet the right to terminate its lease, Buyer may, at its option,
elect either to (i) terminate this Agreement and receive a refund of the Deposit, or (ii) continue
the Agreement in effect, in which event, upon the Close of Escrow, Seller shall assign to Buyer,
and Buyer shall be entitled to receive, any compensation, awards, or other payments or relief
resulting from such condemnation proceeding.

12. Damage and Destruction. If, prior to the Close of Escrow, a Substantial Portion
(as defined below) of the Property is damaged or destroyed, Buyer may, at its option, elect either
to (i) terminate this Agreement and receive a refund of the Deposit, or (ii) continue the Agreement
in effect, in which event Seller shall assign to Buyer, upon the Close of Escrow, all of Seller’s
estate, interest, right, title, and other claim or demand to any and all insurance proceeds
received or payable as a result of such damage or destruction, except for any rental interruption
insurance proceeds applicable towards rents payable with respect to the period prior to the Close
of Escrow and at the Closing Buyer shall receive a credit in the amount of any deductible amount
under any applicable insurance policy plus the amount of any uninsured loss. If the casualty loss
does not involve a Substantial Portion of the Property, as defined below, then Buyer shall be
obligated to Close the transaction contemplated herein according to the terms hereof,
notwithstanding such casualty loss, and Seller shall, at Seller’s election, either: (i) repair the
damages caused by such casualty loss prior to Closing, at Seller’s expense (provided, Seller shall
have no obligation to do so); or (ii) deliver or assign to Buyer, at Closing, any and all insurance
proceeds or rights to proceeds attributable to such casualty loss, and there shall be no reduction
in the Purchase Price and at the Closing Buyer shall receive a credit in the amount of any
deductible amount under any applicable insurance policy plus the amount of any uninsured loss. For
purposes of this Section 12, a “Substantial Portion” of the Property shall be deemed to be a
casualty loss which is equal to or greater than $1,000,000 per Project or that would give any
tenant occupying at least 7,500 square feet the right to terminate its lease.

13. Closing Matters.

(a) Buyer’s Deposits Into Escrow. Buyer shall deposit into escrow, at least
one (1) business day prior to the Closing Date (subject to any earlier date required in
accordance with Seller’s Defeasance), the following items:

(i) currently available Good Funds in the amount of the balance of the
Purchase Price after credit for the Deposit and any other credits to which Buyer is
entitled pursuant to this Agreement, together with such additional funds as may be
required to pay Buyer’s share of closing costs as provided in this Agreement;

(ii) one (for the La Cholla Project only) duly executed and acknowledged
Assignment and Assumption of Ground Lease and Grant, Bargain and Sale of
Improvements in substantially the form of Schedule “11” attached hereto
(the “Ground Lease Assignment”), subject to any changes reasonably required by the
Ground Lessor that are reasonably acceptable to Buyer;

(iii) two (one for the Desert Life Project and one for the La Cholla Project)
duly executed Assignment and Assumption of Leases in substantially the form of
Schedule “4” attached hereto (collectively, the “Assignment of Leases”)
effectuating the assignment and assumption of Seller’s interest under the Tenant
Leases in effect as of the Close of Escrow;

(iv) two (one for the Desert Life Project and one for the La Cholla Project)
duly executed Assignment and Assumption of Contracts in substantially the form of
Schedule “5” attached hereto (collectively, the “Assignment of Contracts”)
effectuating the assignment and assumption of Seller’s interest under the Service
Contracts Buyer did not elect to terminate under Section 6(b); and

(v) such additional documents, instruments and agreements, signed and properly
acknowledged by Buyer, if appropriate, as may be reasonably required by the Title
Company or as may be necessary to comply with Buyer’s obligations under this
Agreement.

(b) Seller’s Deposits Into Escrow. At least one (1) business day prior to the
Closing Date (subject to any earlier date required in accordance with Seller’s Defeasance),
Seller shall deposit, or cause to be deposited, with Escrow Agent the following items:

(i) one (for the La Cholla Project only) duly executed and acknowledged by
Seller and the Ground Lessor Ground Lease Assignment;

(ii) one (or the Desert Life Project only) duly executed and acknowledged
special warranty deed in substantially the form of Schedule “3” attached
hereto (the “Deed”);

(iii) two (one for the Desert Life Project and one for the La Cholla Project)
duly executed and acknowledged Assignment of Leases;

(iv) two (one for the Desert Life Project and one for the La Cholla Project)
duly executed and acknowledged Assignment of Contracts;

(v) two (one for the Desert Life Project and one for the La Cholla Project)
duly executed Bills of Sale for the Personal Property substantially the form of
Schedule “6” attached hereto, if required;

(vi) a Non-Foreign Affidavit for each entity comprising the Seller in the form
attached as Schedule “7”;

(vii) two (one for the Desert Life Project and one for the La Cholla Project)
letters for Buyer’s delivery to each of the tenants of the Property in the form
attached as part of Schedule “8”, executed by Seller;

(viii) such additional documents, instruments and agreements, signed and
properly acknowledged by Seller, if appropriate, as may be reasonably required by
the Title Company or as may be necessary to comply with Seller’s obligations under
this Agreement;

(ix) A current Rent Roll certified by Seller’s property management company as
being true and accurate as close as possible to the Closing Date; and

(x) One (1) Ground Lease Estoppel Certificate in recordable form executed and
acknowledged by Ground Lessor.

(c) Prorations. All prorations must be made by Escrow Agent through the
Closing Date (so that, as between Buyer and Seller, Seller shall be deemed the owner on the
day immediately prior to the Close of Escrow and Buyer shall be deemed the owner on the
Closing Date). All proration items and closing costs that are not specifically dealt with
under the terms of this Agreement will be allocated by Escrow Agent according to the
Additional Escrow Instructions attached hereto, or if not dealt with therein, by Escrow
Agent’s standard custom and practice in Pima County, Arizona. At least three (3) business
days prior to Closing, Escrow Agent shall prepare and circulate a draft closing settlement
statement for review and comment by Seller and Buyer, reflecting the prorations, and other
economic terms of this Agreement. The draft closing settlement statement shall list each of
the prorations separately with respect to each Project.

(i) All real and personal property taxes and assessments and other
governmental impositions attributable to the Real Property shall be prorated
between Buyer and Seller as of the Close of Escrow.

(ii) All payments received by Seller from tenants of the Project for rent and
expense reimbursements shall be prorated as of Close of Escrow. Any leasing
commissions or tenant improvement allowances attributable to leases which are
executed prior to the Opening of Escrow will be paid by Seller, and any leasing
commissions or tenant improvement allowances attributable to leases which are
executed after the Opening of Escrow will be prorated between Buyer and Seller over
the term of the lease. If either Buyer or Seller shall collect any rental or other
payments from tenants of the Project after the Close of Escrow which are properly
allocable to any period before or after the Close of Escrow, respectively, the same
shall be promptly apportioned and distributed between Buyer and Seller in
accordance with the foregoing proration. At the Close of Escrow, all refundable
security deposits and advance rental payments made by tenants to Seller shall be
assigned to Buyer and either delivered to Buyer or, at Buyer’s option, credited to
Buyer against the Purchase Price at Close of Escrow. Prepaid rents shall be
applied against any rent due and not yet paid to Seller. To the extent that any
free rent, abatements or other unexpired concessions under any Tenant Leases
(collectively, “Abatements”) apply to any period after the Closing Date, Buyer
shall be entitled to a credit against the Purchase Price for the amount of any such
Abatements. In the event that any security deposits are in the form of letters of
credit or other financial instruments (the “Non-Cash Security Deposits”), Seller
will, at Closing cause Buyer to be named as beneficiary under the Non-Cash Security
Deposits and Buyer will not receive a credit against the Purchase Price for such
security deposits. In the event that Buyer cannot be named the beneficiary under
the Non-Cash Security Deposits as of the Closing Date, an escrow in an amount equal
to all Non-Cash Security Deposits shall be established at Closing pursuant to
mutually satisfactory instructions, which shall govern the release of the Non-Cash
Security Deposits. At Closing, Seller shall provide a reconciliation of CAM
charges to tenants versus actual operating expenses, with any deficient amounts
being credited to Buyer and any overages being credited to the Seller.
Notwithstanding the foregoing, if, and only if, prior to Closing Date: (x) Genova
Clinical Research, Inc., signs a lease amendment for the La Cholla Project
extending the lease term for at least twelve (12) additional months; and
(y) Bio-Medical Applications of Arizona, Inc. and Arizona Kidney Disease and
Hypertension Center, d/b/a Fresenius Medical Care of Catalina, signs a lease
amendment for the La Cholla Project expanding the premises by approximately 1500
square feet; then the Purchase Price shall be increased by One Hundred Twenty Five
Thousand and No/100 Dollars ($125,000.00), which Purchase Price increase shall be
allocable to the La Cholla Project; provided that Seller shall be responsible (by
either paying prior to Closing or by crediting Buyer at Closing) for any tenant
improvements and any leasing commissions payable in connection with the lease
amendments referenced in clauses (x) and (y) above.

(iii) Rent due and payable under the Ground Lease shall be prorated between
Buyer and Seller as of the Close of Escrow. All operating expenses for the Property
during the period of time prior to and including the Close of Escrow will be paid
by Seller. Any bills for operating expenses that apply to the period of time prior
to the Close of Escrow but are received by Seller or Buyer after the Close of
Escrow will be paid by Seller through the post-closing adjustment mechanism
described below. Buyer will be responsible for all operating expenses for the
Property incurred after the Closing Date. All utility deposits posted by Seller,
or inducement payments received by Seller from utility companies under utility
services agreements, will remain the property of Seller and will not be prorated.
To the extent possible, utility prorations will be handled by meter readings on the
day immediately preceding the Closing Date; otherwise they shall be based on prior
months’ bills and reprorated on receipt of the actual bills.

(iv) Seller will pay all lease taxes and sales and use taxes for rents
collected by Seller on and prior to the Close of Escrow and past-due rents
collected by Buyer after the Closing Date and remitted to Seller, and Buyer will
pay all lease taxes and sales and use taxes for rents collected and retained by
Buyer subsequent to the Close of Escrow.

(v) To the extent the items set forth above cannot be accurately prorated by
Escrow Agent on the Closing Date, adjustments to the prorations will be made from
time to time after the Close of Escrow to take account of final information as to
taxes and other expenses estimated as of the Close of Escrow, to adjust rents or
expenses that were not included in the prorations done at the Close of Escrow, or
to correct any prorations or credits made on the closing settlement statement that
prove to be incorrect or incomplete, and Buyer or Seller, as applicable, will pay
the other on demand such amounts as may be appropriate based on such adjustments,
together with interest at 10% per annum on any amount due from the date of demand
if such amount remains unpaid more than 30 days after demand. Adjustments to
prorations (other than prorations for taxes) must be completed within 270 days
after the Close of Escrow and adjustments to tax prorations must be completed
within 30 days after tax bills are received by both Buyer and Seller. The
provisions of this Section 13(c) shall survive the Closing.

(d) Closing. When Escrow Agent holds each of the closing documents and other
items required under Section 13(a) and (b) above, Escrow Agent is authorized to complete the
Close of Escrow by:

(i) Recording and delivering to Buyer the Deed and Ground Lease Assignment;

(ii) Issuing or irrevocably committing to issue the Title Policy to Buyer;

(iii) Delivering to Buyer and Seller a final closing settlement statement in a
form and content approved by Buyer and Seller;

(iv) Paying, from Buyer’s deposits into Escrow, Buyer’s share of closing costs
and expenses (as allocated and prorated in this Agreement);

(v) Delivering to Seller, in immediately available funds, the Purchase Price,
less only Seller’s closing costs and expenses (as allocated and prorated in this
Agreement); and

(vi) Delivering to Seller and Buyer fully executed originals (where
applicable) or copies of the closing documents.

(vii) Outside escrow, Seller shall deliver to Buyer at Closing the original
leases, keys, combinations, operating manuals, Tangible Personal Property and
similar items for the Property.

14. Notices. All notices, requests, demands, and other communications required or
permitted under this Agreement must be in writing and will be deemed to have been delivered,
received, and effective: (i) on the date of service, if served by hand-delivery or by facsimile
telecopy (with proof of transmission) on the party to whom notice is to be given; or (ii) on the
business day of actual confirmed delivery of the notice properly addressed to the party at the
address shown on the cover page to this Agreement, if sent by overnight Federal Express or
equivalent overnight delivery. The addresses, telephone numbers, and telecopy numbers shown on the
first page of this Agreement are the places and numbers for delivery of all notices. Any party,
may change the place or number for delivery of notice by notifying all other parties.

15. Brokers. Except for CB Richard Ellis (the “Broker”), Buyer and Seller each
represent to the other that such party has not incurred, directly or indirectly, any liability for
the payment of any real estate brokerage commission, finder’s fee, or other compensation to any
agents, brokers, finders, or salespersons in connection with the purchase and sale of the Property
as contemplated herein. Each party hereto shall indemnify, hold harmless, and defend the other
party from any claim, liability, or expense for any such commission or fee by reason of such
party’s act. The obligations of the parties under this Section 15 shall survive the Close of
Escrow or earlier termination of this Agreement. If and only if the Escrow closes in accordance
with the terms of this Agreement, Seller will pay to Broker a brokerage commission in the amount
specified in the separate brokerage agreements between Seller and Broker.

16. Default of Buyer. If Buyer breaches this Agreement, such breach will be a default
by Buyer under this Agreement and Seller, as its sole remedy, will be entitled to deliver a notice
of immediate cancellation to Buyer and Escrow Agent and retain the entire Deposit as full,
liquidated, and agreed-upon damages. With the fluctuation in land values, the unpredictable state
of the economy, the fluctuating money market for real estate loans, and other factors that affect
the marketability of the Project, Buyer and Seller agree that it would be impractical and extremely
difficult to estimate the actual damages that Seller may suffer in the event of a default by Buyer.
This remedy provision has been agreed-upon after specific negotiation, keeping in mind the
difficulties in estimating actual damages. Buyer and Seller agree that the Deposit represents a
reasonable estimate of the total damages. NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS
AGREEMENT AND, SPECIFICALLY, THIS SECTION 16, THE INDEMNITY OBLIGATIONS OF THE
BUYER UNDER THIS AGREEMENT ARE SEPARATE AND DISTINCT OBLIGATIONS OF THE
BUYER THAT ARE NOT SUBJECT TO THE LIQUIDATED DAMAGE PROVISIONS CONTAINED IN THIS SECTION
16. FURTHER, NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED IN THIS AGREEMENT, THE
LIQUIDATED DAMAGE PROVISIONS OF THIS SECTION 16 WILL NOT ACT TO LIMIT THE AMOUNT OF DAMAGES
RECOVERABLE BY SELLER AGAINST BUYER UNDER A.R.S. SECTIONS 12-1103, 12-1191 OR
33-420, OR RECOVERABLE BY SELLER AGAINST BUYER IF BUYER, WITHOUT LEGAL
RIGHT, RECORDS A LIS PENDENS OR OTHER DOCUMENT OR INSTRUMENT THAT IMPAIRS OR COULD IMPAIR
SELLER’S ABILITY TO SELL THE PROPERTY TO ANOTHER PURCHASER.

17. Default by Seller. If Seller breaches this Agreement, and such breach relates to
a pre-closing breach of a Seller representation that is not the result of Seller’s gross negligence
or willful misconduct, the provisions of Section 8 above shall apply. However, if Seller breaches
this Agreement (other than a pre-closing breach governed by Section 8), such breach will be a
default by Seller under this Agreement, and Buyer, as Buyer’s sole and exclusive remedy, may elect
to: (i) cancel this Agreement and the Escrow and receive a refund of its Deposit; or (ii) enforce
specific performance of this Agreement without any right whatsoever against Seller to any offset or
credit against the Price or to any other equitable or legal remedies or monetary damages. Buyer’s
cancellation notice under subsection (i) above will be deemed effective immediately upon delivery
of written notice of the cancellation to Seller and Escrow Agent. If Buyer fails to file suit for
its remedy of specific performance within thirty (30) days following the scheduled Closing Date,
Buyer will be deemed to have waived its specific performance remedy and to reimbursement under
clause (ii) above.

18. Nomination and Assignment.

(a) Buyer acknowledges that because of the need for Ground Lessor consent to the
transaction with respect to the La Cholla Project, Buyer will be permitted to assign this
Agreement with respect to the La Cholla Project so long as Buyer provides written notice of
its assignee (which must be a “Registered Company,” as defined below) on or before October
19, 2007. Buyer acknowledges that the Ground Lease Assignment will be in the name of NNN
Healthcare/Office REIT Tucson Medical Center, LLC, a Delaware limited liability company, if
no notice is timely received, and, if Buyer timely notifies Seller of such assignee, the
Ground Lease Assignment will be in favor of the assignee and Buyer will not be permitted to
change that entity. With respect to the Desert Life Project only, Buyer shall be permitted
to assign its rights under this Agreement to an entity wholly owned by or controlled by
Buyer or a Registered Company by sending written notice of such assignment to Seller and
Escrow Agent together with a copy of the assignment document confirming the assignee’s
assumption of the obligations under this Agreement and a copy of such evidence reasonably
necessary to evidence that such assignment to a permitted assignee. Except as established
above, Buyer may not assign or otherwise transfer any of its rights under this Agreement to
any party without the prior written consent of Seller, whose consent may be given or
withheld in Seller’s sole and absolute discretion. If any assignment is permitted or
approved by Seller, however, any assignee of Buyer, by accepting an assignment, will be
deemed to have assumed all of the obligations of Buyer under this Agreement, but the
original Buyer will remain liable under this Agreement. If this Agreement is assigned so
that there are two separate Buyer entities for each Project, each Buyer party shall have
fully released and waived all claims against the other Seller (i.e. the La Cholla Seller,
with respect to the party acquiring the Desert Life Project, and the Desert Life Seller,
with respect to the party acquiring the La Cholla Project), as if there were two separate
contracts between the applicable Seller and assignee.

(b) Subject to the limitation contained above in Section 18(a), this Agreement is
binding on and will inure to the benefit of the successors or assigns of Buyer and Seller.
No person other than Buyer, Seller, and Escrow Agent (and their respective legal successors
and assigns) is a party to this Agreement, and no person will be deemed or is intended to be
a third-party beneficiary to this Agreement.

(c) Notwithstanding anything to the contrary in this Section 18, both Seller and Buyer
may assign this Agreement for purposes of completing a tax deferred exchange pursuant to
Section 1031 of the Internal Revenue Code (a “1031 Exchange”). Each party agrees to
cooperate with the other in effecting a 1031 Exchange, but: (i) neither party will be
obligated to take title to any property other than the Property or incur any additional
liability or financial obligations as a consequence of the other party’s 1031 Exchange; (ii)
Buyer’s 1031 Exchange will in no way reduce the net amount to which Seller is entitled under
the terms of this Agreement; (iii) Seller’s 1031 Exchange will in no way increase the amount
of Closing Cash that Buyer is required to provide under this Agreement; (iv) any such 1031
Exchange shall not extend the Closing Date, and (v) Buyer and Seller will indemnify and hold
each other harmless for, from, and against any and all liabilities, claims, losses, or
actions, if any, which either party incurs or to which either party may be exposed as a
direct result of participation in the other party’s 1031 Exchange. In the case of an
assignment by Buyer in connection with a 1031 Exchange, Buyer must provide Seller and Escrow
Agent of written notice of the assignment, together with the identity of the assignee and
any permitted assignee must assume this Agreement on terms and conditions reasonably
acceptable to Buyer and Seller.

19. Time of Essence. Time is of the essence of each and every term, condition,
obligation, and provision hereof.

20. Counterparts. This Agreement may be executed in multiple counterparts, each of
which shall be deemed an original but all of which, together, shall constitute one and the same
instrument. In order to expedite the transaction contemplated herein, telecopied signatures may be
used in place of and shall constitute original signatures on this Agreement.

21. Captions. Any captions to, or headings of, the paragraphs or subparagraphs of
this Agreement are solely for the convenience of the parties hereto, are not a part of this
Agreement, and shall not be used for the interpretation or determination of the validity of this
Agreement or any provision hereof.

22. No Obligations to Third Parties. Except as otherwise expressly provided herein,
the execution and delivery of this Agreement shall not be deemed to confer any rights upon, nor
obligate any of the parties hereto, to any person or entity other than the parties hereto.

23. Exhibits. The Schedules attached hereto are hereby incorporated herein by this
reference.

24. Amendment to this Agreement. The terms of this Agreement may not be modified or
amended except by an instrument in writing executed by each of the parties hereto.

25. No Waiver. The waiver or failure to enforce any provision of this Agreement shall
not operate as a waiver of any future breach of any such provision or any other provision hereto.

26. Applicable Law. This Agreement shall be governed by and construed in accordance
with the laws of the State of Arizona.

27. Fees and Other Expenses. Except as otherwise provided herein, each of the parties
shall pay its own fees and expenses in connection with this Agreement. If any action is brought by
either Buyer or Seller regarding its rights under this Agreement, the prevailing party will be
entitled to attorney fees in a reasonable amount, expenses, and court costs both at trial and on
appeal.

28. Severability. If any provision of this Agreement is, or hereinafter is adjudged
to be, for any reason void, unenforceable, or invalid, it is the specific intent of the parties
that the remainder hereof shall be and remain in full force and effect.

29. Entire Agreement. This Agreement supersedes any prior agreement, oral or written,
and contains the entire agreement between Buyer and Seller as to the subject matter hereof. No
subsequent agreement, representation, or promise made by either party hereto, or by or to an
employee, officer, agent, or representative of either party shall be of any effect unless it is in
writing and executed by the party to be bound thereby.

30. Post-Closing Audit.

Seller acknowledges that Buyer’s permitted assignee may be a publicly registered company or
the subsidiary of a publicly registered company, managed, sponsored or under common control with
Buyer or Buyer’s principals (“Registered Company”) promoted by Buyer.  Seller acknowledges that it
has been advised that if the purchaser is a Registered Company, the assignee is required to make
certain filings with the Securities and Exchange Commission (the “SEC Filings”) that relate to the
most recent pre-acquisition fiscal year (the “Audited Year”) and the current fiscal year through
the date of acquisition (the “stub period”) for the Property. To assist the assignee in preparing
the SEC Filings, each Seller agrees to that after the Closing Date, it will provide the
assignee with the following within five (5) business days of request by assignee with regard to the
portion of the Property owned by such Seller to the extent such documents are in Seller’s
possession or under Seller’s control:

	 	1.	 	Access to bank statements for the Audited year and stub period;

	 	2.	 	Rent Roll as of the end of the Audited Year and stub period;

	 	3.	 	Operating Statements for the Audited Year and stub period;

	 	4.	 	Access to the general ledger for the Audited Year and stub
period;

	 	5.	 	Cash receipts schedule for each month in the Audited Year and
stub period;

	 	6.	 	Access to invoice for expenses and capital improvements in the
Audited Year and stub period;

	 	7.	 	Accounts payable ledger and accrued expense reconciliations;

	 	8.	 	Check register for the 3-months following the Audited Year and
stub period;

	 	9.	 	Leases and 5-year lease schedules;

	 	10.	 	Copies of all insurance documentation for the Audited Year and
stub period;

	 	11.	 	Copies of accounts receivable aging as of the end of the
Audited Year and stub period along with an explanation for all accounts over 30
days past due as of the end of the Audited Year and stub period; and

12. Signed representation letter in the form attached hereto as Schedule “12”.

This Section 30 will survive the Close of Escrow.

[Signatures on next page]

3

IN WITNESS WHEREOF, the Parties hereto have executed this Agreement as of the Contract Date above
written.

“DESERT LIFE SELLER”

2001 W. ORANGE GROVE ROAD, LLC, an Arizona limited liability company

By: /s/ William R. Metzler

William R. Metzler, Manager

PVP INVESTMENTS, LLC,

a Delaware limited liability company

By: /s/ James D. Vandever

James D. Vandever, Sole Member

WRM INVESTMENTS, LLC,

an Arizona limited liability company

By: /s/ William R. Metzler

William R. Metzler, Administrative Member

EDI BAPTIST, LLC,

an Arizona limited liability company

By: /s/ Scott Douglas

Scott O. Douglas, Managing Member

“LA CHOLLA SELLER”

WRM INVESTMENTS, LLC,

an Arizona limited liability company

By: /s/ William R. Metzler

William R. Metzler, Administrative Member

SOD INVESTMENTS, LLC,

An Arizona limited liability company

By: /s/ Scott Douglas

Scott O. Douglas, Sole Member

“BUYER”

TRIPLE NET PROPERTIES, LLC,

a Virginia liability company

By: /s/ Richard T. Hutton

Name: Richard T. Hutton

Title: Executive Vice President

4

ESCROW AGENT’S ACCEPTANCE

By its execution below, Escrow Agent accepts this Agreement as its escrow instructions and
acknowledges receipt of the Agreement executed by Buyer and Seller and Buyer’s Initial Deposit.
Upon its execution, Escrow Agent agrees to: (i) insert the relevant escrow number on the first
page of this Agreement if not already completed; (ii) insert the date of the Opening of Escrow
below; and (iii) return one fully executed copy of the Agreement to Buyer and Seller and retain one
for Escrow Agent’s files.

Chicago Title Insurance Company

By: /s/ Tonya Lively

Its: Asst. Vice President/Sr. Escrow Officer

Authorized Agent

October 22, 2007

Date of “Opening of Escrow”

5EX-10.2

CHICAGO TITLE INSURANCE COMPANY

AMENDMENT TO PURCHASE CONTRACT

Escrow No. 2719994 Date: October 31, 2007

The Terms and Conditions of the Purchase Agreement / Escrow Instructions are hereby modified
as follows:

	 	1.	 	Pursuant to Section 7(g) of that certain Sale Agreement and Instructions dated
October 19, 2007 (the “Purchase Agreement”) by and between 2001 W. Orange Grove
Road, LLC, PVP Investments, LLC, WRM Investments, LLC, EDI Baptist, LLC, and SOD
Investments, LLC (collectively, “Seller”), and Triple Net Properties, LLC
(“Buyer”), Seller and Buyer agreed to agree on a form of Ground Lease Estoppel Certificate
(as defined in the Purchase Agreement) by October 31, 2007 (“Estoppel Termination
Date”). Since the parties require additional time to agree on a form of Ground Lease
Estoppel Certificate, both Seller and Buyer have agreed to extend the Estoppel Termination
Date to Friday, November 2, 2007.

This Amendment may be executed in multiple counterparts, each of which shall be deemed an original,

but all of which shall be considered one and the same instrument.

All other Terms and Conditions shall remain the same.

	 	 	 
	 	 	“BUYER”
	“DESERT LIFE SELLER”

2001 W. ORANGE GROVE ROAD, LLC,

an Arizona limited liability company

By: William R. Metzler, Manager

	 	TRIPLE NET PROPERTIES, LLC,

a Virginia liability company

By: /s/ Jeff Hanson

Name: Jeff Hanson

Title: Chief Investment Officer
	PVP INVESTMENTS, LLC,

a Delaware limited liability company

By: James D. Vandever, Sole Member

	 	

	WRM INVESTMENTS, LLC,

an Arizona limited liability company

By: William R. Metzler, Administrative Member

	 	

	EDI BAPTIST, LLC,

an Arizona limited liability company

By: Scott O. Douglas, Managing Member

	 	

	“LA CHOLLA SELLER”

WRM INVESTMENTS, LLC,

an Arizona limited liability company

By: William R. Metzler, Administrative Member

	 	

	SOD INVESTMENTS, LLC,

an Arizona limited liability company

By: Scott O. Douglas, Sole Member

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