Section 5(a)(vi) of the ISDA Master Agreement is amended by the addition of the following after the last semicolon: provided, however, that an Event of Default shall not occur under either (1) or (2) above if thedefault, event of default, or other similar condition or event referred to in (1) or the failure to pay referred to in (2) is caused not by the unavailability of funds but is caused solely due to a technical or administrative error which has beenremedied within three Business Days after a notice of such failure is given to the party. Section 5(a)(vi) is further amended by deleting the words , or becoming capable at such time of being declared,. Specified Indebtedness will have the meaning specified in Section 14 of this Agreement. Threshold Amount means (i) with respect to Party A, 3% of the stockholders equity of Party A, as shown on the most recent annual balance sheet of Party A atany time, and (ii) with respect to Party B, $1,000,000.

(b) “Specified Transaction” will have the meaning specified in Section 14 of this Agreement.

(c) The “Cross-Default” provisions of Section 5(a)(vi) will apply to Party A and to Party B.

Section 5(a)(vi) of the ISDA Master Agreement is amended by the addition of the following after the last semicolon: ‘provided, however, that an Event of Default shall not occur under either (1) or (2) above if the default, event of default, or other similar condition or event referred to in (1) or the failure to pay referred to in (2) is caused not by the unavailability of funds but is caused solely due to a technical or administrative error which has been remedied within three Business Days after a notice of such failure is given to the party.’

Section 5(a)(vi) is further amended by deleting the words “, or becoming capable at such time of being declared,”.

“Specified Indebtedness” will have the meaning specified in Section 14 of this Agreement.

“Threshold Amount” means (i) with respect to Party A, 3% of the stockholders’ equity of Party A, as shown on the most recent annual balance sheet of Party A at any time, and (ii) with respect to Party B, $1,000,000.

(d) The “Credit Event Upon Merger” provisions of Section 5(b)(v) will apply to Party A and to Party B.

(e) The “Automatic Early Termination” provision of Section 6(a) will not apply to Party A or to Party B; provided that where there is an Event of Default under Section 5(a)(vii)(1), (3), (4), (5), (6) or, to the extent analogous thereto, (8), with respect to a party, and the Defaulting Party is governed by a system of law that does not permit termination to take place after the occurrence of such Event of Default, then the Automatic Early Termination provisions of Section 6(a) of the Agreement will apply.

The Loan Agreement, dated as of January 28, 2010, among Foundry Park I, LLC, a Virginia limited liability company, PB (USA) Realty Corporation, as Lender, and PB Capital Corporation, as Administrative Agent (the “Loan Agreement”) shall no longer be in effect or the Loan referred to therein shall be repaid in full .

An Event of Default, as referred to in the Loan Agreement, shall have occurred and be continuing and all amounts due under the Loan Agreement have become immediately due and payable.

For the purpose of the foregoing Termination Events, the Affected Party or Affected Parties will be Party B.

(b) Payee Representations. For the purpose of Section 3(f) of this Agreement:\

It is a “U.S. person” (as that term is used in section 1.1441-4(a)(3)(ii) of United States Treasury Regulations) for United States federal income tax purposes.

For the purpose of Sections 4(a) of this Agreement, each party agrees to deliver the following documents, as applicable:\

Process Agent. For the purpose of Section 13(c) of this Agreement:\

(c) Waiver of Right to Trial by Jury. EACH PARTY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY SUIT, ACTION OR PROCEEDING RELATING TO THIS AGREEMENT. Each party (A) certifies that no representative, agent or attorney of the other party has represented, expressly or otherwise, that such other party would not, in the event of such a suit action or proceeding, seek to enforce the foregoing waiver and (B) acknowledges that it and the other party have been induced to enter into this Agreement by, among other things, the mutual waivers and certifications in this clause.

(d) Governing Law and Jurisdiction. THIS AGREEMENT SHALL BE GOVERNED BY, AND

CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK (INCLUDING FOR SUCH PURPOSES SECTIONS 5-1401 AND 5-1402 OF THE GENERAL OBLIGATIONS LAW OF THE STATE OF NEW YORK). Party A and Party B hereby irrevocably submit to the non-exclusive jurisdiction of any New York State or Federal court sitting in The Borough of Manhattan in The City of New York over any suit, action or proceeding arising out of or relating to this Agreement, and Party B hereby agrees and consents that, in addition to any methods of service of process provided for under applicable law, all service of process in any such suit, action or proceeding in any New York State or Federal court may be made by certified or registered mail, return receipt requested, directed to Party B at the address indicated in clause (a) above, and service so made shall be complete five (5) days after the same shall have been so mailed

Offices. The provisions of Section 10(a) will not apply to this Agreement.

Multibranch Party. For the purpose of Section 10(b) of this Agreement:\

(o) Recording of Conversations. Each party (i) consents to the recording of telephone conversations between the trading, marketing and other relevant personnel of the parties in connection with this Agreement or any potential Transaction, (ii) agrees to obtain any necessary consent of, and give any necessary notice of such recording to, its relevant personnel and (iii) agrees, to the extent permitted by applicable law, that recordings may be submitted in evidence in any Proceedings.

(a) Severability. In the event that any one or more of the provisions contained in this Agreement should be held invalid, illegal, or unenforceable in any jurisdiction, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby. The parties shall endeavor, in good faith negotiations, to replace the invalid, illegal or unenforceable provisions with valid provisions, the economic effect of which comes as close as possible to that of the invalid, illegal or unenforceable provisions.

(b) Risk Management. Line of Business. Party B alone represents that this Agreement has been, and each Transaction hereunder has been or will he, as the case may be, entered into for the purpose of managing its borrowings or investments, hedging its underlying assets or liabilities or in connection with its line of business (including financial intermediation services) and not for the purpose of speculation.

(c) Swap Agreement. This Agreement and each Transaction constitute a “swap agreement” within the meaning of CFTC Regulations Section 35.1(b)(1) and the CFTC Swap Policy Statement.

(d) Eligible Swap Participant. Each party hereto represents that it is an “eligible swap participant” within the meaning of CFTC Regulations Section 35.1(b)(2).

(e) Agreement not Standardized. Neither this Agreement nor any Transaction is one of a fungible class of agreements that are standardized as to their material economic terms, within the meaning of CFTC Regulations Section 35.2(b).

(f) Creditworthiness a Consideration. The creditworthiness of the other party was or will be a material consideration in entering into or determining the terms of this Agreement and each Transaction, including pricing, cost or credit enhancement terms of the Agreement or Transaction, within the meaning of CFTC Regulations Section 35.2(c).

(g) Transfer. Section 7 of the Agreement is amended by adding the words “which consent shall not be unreasonably withheld or delayed” in the third line thereof after the word “party” before the comma.

(h) Definitions. The 2006 ISDA Definitions (the “2006 Definitions”), as published by the International Swaps and Derivatives Association, Inc. (ISDA), are hereby incorporated by reference herein and shall be deemed to be incorporated into each Confirmation hereunder. Any terms used and not otherwise defined herein which are contained in the 2006 Definitions shall have the meaning set forth therein.

(i) No Indemnity. Section 13(d) of this Agreement is hereby deleted in its entirety. ]

(j) Insolvency Safe Harbor. This Agreement and each Transaction made under this Agreement constitute a “swap agreement” and/or a “master netting agreement” as defined under Title 11 of the United States Code (the “Bankruptcy Code”), (ii) it is a “swap participant” as defined under the Bankruptcy Code, (iii) the rights of the Parties under the termination provisions of this Agreement will constitute contractual rights to liquidate, net and setoff Transactions, and (iv) the Parties are entitled to and desire enforcement of the rights under, and protections afforded by each of Sections 560, 561 and 562 of the Bankruptcy Code.

     1. Party B is duly organized, validly existing and in good standing as a limited liability company under the laws of the Commonwealth of Virginia.

     2. Party B has all requisite power and authority to execute and deliver the Agreement and to enter into Transactions thereunder, including the interest rate Transaction described in the Confirmation between Party A and Party B, effective January œ, 2010 (the “Confirmation”), with a notional amount of $68,400,000, and to perform its obligations under the Agreement and with respect to Transactions thereunder.

     3. The execution and delivery of the Agreement by Party B, and of the Confirmation and any other documentation relating to the Agreement that is required by the Agreement to be delivered by Party B contemporaneously therewith, and the performance by Party B of its obligations under the Agreement and the Confirmation, do not violate or conflict with (a) any provision of the organizational documents of Party B or (b) any law, rule or regulation applicable to it, or any order or judgment of any court or other agency of government known to such counsel, after due inquiry, which is applicable to Party B or to any of its assets, or of any contractual restriction known to such counsel, after due inquiry, which is binding on or which affects Party B or any of its assets.

4. The Agreement and the Confirmation have been duly executed and delivered by

Party B and, subject to execution thereof by Party A, constitute the legal, valid and binding obligations of Party B.