Document:

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                                                                    Exhibit 10.1

August __, 2006

Harbor Business Acquisition Corp.
200 Highpoint Drive, Suite 215
Chalfont, PA 18914-3922

H.C. Wainwright & Co., Inc.
52 Vanderbilt Avenue - 12th Floor
New York, NY  10017

RE:      INITIAL PUBLIC OFFERING

Gentlemen:

The undersigned stockholder, officer, director or senior advisor of Harbor
Business Acquisition Corp. ("Company"), in consideration of H.C. Wainwright &
Co., Inc. ("H.C. Wainwright") entering into a letter of intent ("Letter of
Intent") to underwrite an initial public offering of the securities of the
Company ("IPO") and embarking on the IPO process, hereby agrees as follows
(certain capitalized terms used herein are defined in paragraph 14 hereof):

1. If the Company solicits approval of its stockholders of a Business
Combination, the undersigned will vote (i) all Insider Shares owned by him in
accordance with the majority of the votes cast by the holders of the IPO Shares,
(ii) all of the shares that may be acquired by him in the Private Placement, the
IPO or in the aftermarket for the Business Combination and (iii) all Insider
Shares and all shares that may be acquired by him in the Private Placement, the
IPO or in the aftermarket for an amendment to the Company's Certificate of
Incorporation to provide for perpetual existence of the Company in the event the
Business Combination is approved.

2. In the event that the Company fails to consummate a Business Combination
within twenty-four-month period immediately following the date of the prospectus
related to the IPO (such date being referred to herein as the "Termination
Date"), the undersigned shall (i) cause the Trust Fund (as defined in the Letter
of Intent) to be liquidated and distributed to the holders of IPO Shares and
(ii) take all reasonable actions within his power to cause the Company to
liquidate as soon as reasonably practicable pursuant to the requirements of the
Delaware General Corporation Law. The undersigned hereby waives any and all
right, title, interest or claim of any kind ("Claim") in or to any liquidating
distributions by the Company, including, without limitation, any distribution of
the Trust Fund (as defined in the Letter of Intent), as a result of such
liquidation with respect to his Insider Shares and the Private Placement Shares
and hereby waives any Claim the undersigned may have in the future as a result
of, or arising out of, any contracts or agreements with the Company and will not
seek recourse against the Trust Fund for any reason whatsoever.

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3. [In the event of the liquidation of the Trust Fund, the undersigned agrees to
indemnify and hold harmless the Company against any and all loss, liability,
claims, damage and expense whatsoever (including, but not limited to, any and
all legal or other expenses reasonably incurred in investigating, preparing or
defending against any litigation, whether pending or threatened, or any claim
whatsoever) to which the Company may become subject as a result of any claim by
any vendor, prospective target business or other entity that is owed money by
the Company for services rendered or products sold but only to the extent
necessary to ensure that such loss, liability, claim, damage or expense does not
reduce the amount in the Trust Fund. In the event that the Company does not
consummate a business combination and must distribute to its public stockholders
the amount in its trust account (including any accrued interest) plus any
remaining net assets, and if such funds are insufficient to complete such
liquidation, the undersigned agrees to advance such funds necessary to complete
such liquidation (currently anticipated to be no more than approximately
$15,000) and agrees not to seek repayment for such expenses.](1)

4. In order to minimize potential conflicts of interest which may arise from
multiple affiliations, the undersigned agrees to present to the Company for its
consideration, and not to any other person or entity unless the opportunity is
rejected by the Company, those opportunities to acquire an operating company the
undersigned reasonably believes are suitable opportunity for the Company, until
the earlier of the consummation by the Company of a Business Combination, the
dissolution and liquidation of the Company or until such time as the undersigned
ceases to be an officer or director of the Company, subject to any pre-existing
fiduciary obligations the undersigned might have.

5. The undersigned acknowledges and agrees that the Company will not consummate
any Business Combination which involves a company which is affiliated with any
of the Insiders unless the Company obtains an opinion from an independent
investment banking firm reasonably acceptable to H.C. Wainwright that the
business combination is fair to the Company's stockholders from a financial
perspective.

6. Except for monthly payments of $7,500 to be made to Harbor Business Group,
LLC for administrative payments [and for any repayments of principal and
interest on the Convertible Loans pursuant to the terms thereof in effect on the
closing date of the IPO, or from the funds outside of the Trust Fund] neither
the undersigned, any member of the family of the undersigned, nor any affiliate
of the undersigned ("Affiliate") will be entitled to receive and will not accept
any compensation for services rendered to the Company prior to the consummation
of the Business Combination; provided that the undersigned shall be entitled to
receive reimbursement from the Company for his out-of-pocket expenses incurred
in connection with seeking and consummating a Business Combination.

7. Neither the undersigned, any member of the family of the undersigned, nor any
Affiliate of the undersigned will be entitled to receive or accept a finder's
fee or any other compensation in the event the undersigned, any member of the
family of the undersigned or any Affiliate of the undersigned originates a
Business Combination.

----------------------------
(1) Paragraphs 3 and the bracketed portion of paragraph 6 to be included in the
Letter Agreements for each of Messrs. W. Thomas Lomax, J. Randall Williams,
Peter J. Jegou and Bennett P. Lomax.

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Harbor Business Acquisition Corp.
H.C. Wainwright & Co., Inc.                                     August 24, 2006

8. The undersigned will escrow his Insider Shares for the three-year period
commencing on the Effective Date subject to the terms of a Stock Escrow
Agreement which the Company will enter into with the undersigned and an escrow
agent acceptable to the Company.

9. The undersigned agrees to be the [________________] [and a Director](2) of
the Company until the earlier of the consummation by the Company of a Business
Combination or the dissolution and liquidation of the Company. The undersigned's
biographical information furnished to the Company and H.C. Wainwright and
attached hereto as Exhibit A is true and accurate in all respects, does not omit
any material information with respect to the undersigned's background and
contains all of the information required to be disclosed pursuant to Section 401
of Regulation S-K, promulgated under the Securities Act of 1933. The
undersigned's Questionnaire previously furnished to the Company and H.C.
Wainwright is true and accurate in all respects. The undersigned represents and
warrants that:

                  (a) he is not subject to or a respondent in any legal action
for, any injunction, cease-and-desist order or order or stipulation to desist or
refrain from any act or practice relating to the offering of securities in any
jurisdiction;
                  (b) he has never been convicted of or pleaded guilty to any
crime (i) involving any fraud or (ii) relating to any financial transaction or
handling of funds of another person, or (iii) pertaining to any dealings in any
securities and he is not currently a defendant in any such criminal proceeding;
and

                  (c) he has never been suspended or expelled from membership in
any securities or commodities exchange or association or had a securities or
commodities license or registration denied, suspended or revoked.

10. The undersigned has full right and power, without violating any agreement by
which he is bound, to enter into this letter agreement and to serve as the
[____________][and Director](3) of the Company.

11. The undersigned hereby waives his right to exercise conversion rights with
respect to any shares of the Company's common stock owned or to be owned by the
undersigned, directly or indirectly, and agrees that he will not seek conversion
with respect to such shares in connection with any vote to approve a Business
Combination.

-----------------------------------------
(2) To be included in the Letter Agreements for each of Messrs. W. Thomas Lomax,
    J. Randall Williams, Peter J. Jegou, Bennett P. Lomax and  Robert Moreyra.
(3) To be included in the Letter Agreements for each of Messrs. W. Thomas Lomax,
    J. Randall Williams, Peter J. Jegou, Bennett P. Lomax and Robert Moreyra.

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Harbor Business Acquisition Corp.
H.C. Wainwright & Co., Inc.                                     August 24, 2006

12. Other than in connection with a Business Combination, the undersigned hereby
agrees to not propose, or vote in favor of, an amendment to the Company's
Certificate of Incorporation to extend the Company's existence. Should such a
proposal be put before stockholders in connection with a Business Combination
and other than through actions by the undersigned, the undersigned hereby agrees
to vote against such proposal. This paragraph may not be modified or amended
under any circumstances.

13. The undersigned authorizes any employer, financial institution, or consumer
credit reporting agency to release to H.C. Wainwright and its legal
representatives or agents (including any investigative search firm retained by
H.C. Wainwright) any information they may have about the undersigned's
background and finances ("Information"). Neither H.C. Wainwright nor its agents
shall be violating the undersigned's right of privacy in any manner in
requesting and obtaining the Information and the undersigned hereby releases
them from liability for any damage whatsoever in that connection.

14. As used herein, (i) a "Business Combination" shall have the meaning set
forth in the form of Amended and Restated Certificate of Incorporation filed as
an exhibit to the registration statement filed in connection with the IPO; (ii)
"Insiders" shall mean all officers, directors and stockholders of the Company
immediately prior to the IPO; (iii) "Insider Shares" shall mean all of the
shares of Common Stock of the Company owned by an Insider prior to the IPO and
the Private Placement; (iv) "IPO Shares" shall mean the shares of Common Stock
issued in the Company's IPO; (v) "Private Placement Shares" shall mean the
shares of Common Stock underlying the 150,000 units issued in the Company's
private placement effected prior to the IPO; (vi) "Private Placement" shall mean
the Company's private placement effected prior to the IPO and (vii) "Convertible
Loans" shall mean the loans made by each of Harbor Healthcare Holding LLC and
Moreco Partners LLC in an aggregate amount of $800,000 ($920,000 if the
over-allotment option is exercised in full) as more fully described in the
prospectus for the IPO.

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15. This letter agreement shall be governed by and construed and enforced in
accordance with the laws of the State of New York, without giving effect to
conflicts of law principles that would result in the application of the
substantive laws of another jurisdiction. The undersigned hereby agrees that any
action, proceeding or claim against the undersigned arising out of or relating
in any way to this Agreement shall be brought and enforced in the courts of the
State of New York or the United States District Court for the Southern District
of New York, and irrevocably submits to such jurisdiction, which jurisdiction
shall be exclusive. The undersigned hereby waives any objection to such
exclusive jurisdiction and that such courts represent an inconvenience forum.

                                               By:    ________________________
                                                      [Name]

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                                    EXHIBIT A

[Bio]Exhibit 10.2
                      INVESTMENT MANAGEMENT TRUST AGREEMENT

                  This Agreement is made as of ____________, 2006 by and between
HARBOR BUSINESS ACQUISITION CORP. (the "COMPANY") and CONTINENTAL STOCK TRANSFER
& TRUST COMPANY (the "TRUSTEE").

                  WHEREAS, the Company's Registration Statement on Form S-1,
File No. 333-____________ (the "REGISTRATION STATEMENT"), for its initial public
offering of securities (the "IPO") has been declared effective as of the date
hereof by the Securities and Exchange Commission (the "EFFECTIVE DATE"); and

                  WHEREAS, the Company has agreed to issue securities in a
private placement immediately prior to the IPO (the "PLACEMENT"); and

                  WHEREAS, H.C. Wainwright & Co., Inc. ("H.C. WAINWRIGHT") is
acting as the representative of the underwriters (the "UNDERWRITERS") in the
IPO and as placement agent for the Placement; and

                  WHEREAS, as described in the Company's Registration Statement,
and in accordance with the Company's Amended and Restated Certificate of
Incorporation, (i) $22,302,500 of the net proceeds of the IPO ($25,790,000 if
the Underwriters' over-allotment option is exercised in full), (ii) in
accordance with the Placement Unit Agreement, dated as of August ___, 2006,
among the Company, H.C. Wainwright and certain purchasers, $900,000 of the gross
proceeds of the Placement, (iii) an aggregate of $800,000 ($920,000 if the
over-allotment option is exercised in full) of convertible loans, and (iv) in
accordance with the Underwriting Agreement, dated as of ______________, 2006,
between the Company and H.C. Wainwright, as representative of the Underwriters,
an additional $500,000 ($575,000 if the Underwriters' over-allotment option is
exercised in full), representing a deferred underwriting fee ("CONTINGENT
DISCOUNT") of 2% of the gross proceeds of the IPO, will be delivered to the
Trustee to be deposited and held in a trust account for the benefit of the
Company, the public holders of the Common Stock, par value $0.001 per share, of
the Company ("COMMON STOCK") included in the units of the Company's securities
issued in the IPO (the "UNITS") and H.C. Wainwright and, in the event the Units
are registered in Colorado, pursuant to Section 11-51-302(6) of the Colorado
Revised Statutes, a copy of which statute is attached hereto and made a part
hereof. The amount to be delivered to the Trustee will be referred to herein as
the "PROPERTY," the stockholders for whose benefit the Trustee shall hold the
Property will be referred to as the "PUBLIC STOCKHOLDERS," and the Public
Stockholders, the Company and H.C. Wainwright will be referred to together as
the "BENEFICIARIES"); and

                  WHEREAS, the Company and the Trustee desire to enter into this
Agreement to set forth the terms and conditions pursuant to which the Trustee
shall hold the Property;

                  NOW, THEREFORE, in consideration of the foregoing and the
mutual covenants and agreements herein contained, the parties hereto agree as
follows:
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         1. Agreements and Covenants of Trustee. The Trustee hereby agrees and
covenants to:

                  (a) Hold the Property in trust for the Beneficiaries in
accordance with the terms of this Agreement, including the terms of Section
11-51-302(6) of the Colorado Revised Statutes with respect to Public
Stockholders resident in Colorado, in a segregated trust account ("TRUST
ACCOUNT") established by the Trustee at a branch of Citigroup Global Markets,
Inc. selected by the Trustee;

                  (b) Manage, supervise and administer the Trust Account subject
to the terms and conditions set forth herein;

                  (c) In a timely manner, upon the instruction of the Company,
to invest and reinvest the Property in "government securities" within the
meaning of Section 2(a)(16) of the Investment Company Act of 1940 having a
maturity of 180 days or less or in any open ended investment company registered
under the Investment Company Act of 1940 that holds itself out as a money market
fund selected by the Company and meeting the conditions of paragraphs (c)(2),
(c)(3) and (c)(4) under Rule 2a-7 promulgated under the Investment Company Act
of 1940;

                  (d) Collect and receive, when due, all principal and income
arising from the Property, which shall become part of the "PROPERTY," as such
term is used herein;

                  (e) Promptly notify the Company and H.C.  Wainwright of all
communications  received by it with respect to any Property requiring action
by the Company;

                  (f) Supply any necessary information or documents as may be
requested by the Company in connection with the Company's preparation of the tax
returns for the Trust Account;

                  (g) Participate in any plan or proceeding for protecting or
enforcing any right or interest arising from the Property if, as and when
instructed by the Company to do so;

                  (h) Render to the Company and to H.C. Wainwright, and to such
other person as the Company may instruct, monthly written statements of the
activities of and amounts in the Trust Account reflecting all receipts and
disbursements of the Trust Account; and

                  (i) Commence liquidation of the Trust Account upon receipt of
the Officers' Certificate of the Company signed by the Chief Executive Officer
or President and Secretary in accordance with the terms of a letter
("TERMINATION LETTER"), in a form substantially similar to that attached hereto
as Exhibit A or Exhibit B, signed on behalf of the Company by its Chief
Executive Officer or President and Secretary and affirmed by its entire Board of
Directors, and complete the liquidation of the Trust Account and distribute the
Property in the Trust Account only as directed in the Termination Letter and the
other documents referred to therein; provided, however, that in the event that a
Termination Letter has not been received by the Trustee by the 24-month
anniversary of the effective date of the Registration Statement ("LAST DATE"),
the Trust Account shall be liquidated in accordance with the procedures set
forth in the Termination Letter attached as Exhibit B hereto and distributed to
the stockholders of record on the Last Date. In all cases, the Trustee shall
provide H.C. Wainwright with a copy of any Termination Letters, Officers'
Certificates and/or any other correspondence that it receives with respect to
any proposed withdrawal from the Trust Account promptly after it receives same.
The provisions of this Section 1(i) may not be modified, amended or deleted
under any circumstances.
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         2. Limited Distributions of Income.

                  (a) On each of ______, _________, __________, _______,
___________, ___________, ___________, and ___________ (if such date is not a
business day, then the first business day following such date) [the first four
full fiscal quarters after consummation of the IPO], the Trustee shall
distribute to the Company $300,000 (or $345,000 if the over-allotment option is
exercised in full), or such lesser amount as is necessary to maintain the Trust
Account at an amount equal to $5.88 per unit sold in the IPO up to an aggregate
amount of $2,400,000 (or $2,760,000 if the over-allotment option is exercised in
full), to cover expenses related to investigating and selecting a target
business, income or other taxes owed on the Trust Account or otherwise and other
working capital requirements, including repayment of the $800,000 ($920,000 if
the over-allotment is exercised in full) convertible loans, plus interest at 4%
per annum, to Harbor Healthcare Holding LLC and Moreco Partners LLC; provided,
however, that (i) such distributions shall be made solely out of the interest
earned on the Property; (ii) at no time will the Trust Account contain an amount
less than $5.88 per unit sold in the IPO and (iii) no distribution from the
Trust Account shall be made if such distribution would cause the Trust Account
to fall below such amount. Additionally, the first $700,000 distributed to the
Company may not be used to repay the convertible loans.

                  (b) Except as provided in Section 2(a) above,  no other
distributions  from the Trust Account shall be permitted  except in accordance
with Section 1(i).

         3. Agreements and Covenants of the Company. The Company hereby agrees
and covenants to:

                  (a) Give all instructions to the Trustee hereunder in writing,
signed by the Company's Chief Executive Officer or President. In addition,
except with respect to its duties under Section 1(i) above, the Trustee shall be
entitled to rely on, and shall be protected in relying on, any verbal or
telephonic advice or instruction which it in good faith believes to be given by
any one of the persons authorized above to give written instructions, provided
that the Company shall promptly confirm such instructions in writing;

                  (b) Hold the Trustee harmless and indemnify the Trustee from
and against, any and all expenses, including reasonable counsel fees and
disbursements, or loss suffered by the Trustee in connection with any action,
suit or other proceeding brought against the Trustee involving any claim, or in
connection with any claim or demand which in any way arises out of or relates to
this Agreement, the services of the Trustee hereunder, or the Property or any
income earned from investment of the Property, except for expenses and losses
resulting from the Trustee's gross negligence or willful misconduct. Promptly
after the receipt by the Trustee of notice of demand or claim or the
commencement of any action, suit or proceeding, pursuant to which the Trustee
intends to seek indemnification under this paragraph, it shall notify the
Company in writing of such claim (hereinafter referred to as the "INDEMNIFIED
Claim"). The Trustee shall have the right to conduct and manage the defense
against such Indemnified Claim, provided, that the Trustee shall obtain the
consent of the Company with respect to the selection of counsel, which consent
shall not be unreasonably withheld. The Trustee may not agree to settle any
Indemnified Claim without the prior written consent of the Company. The Company
may participate in such action with its own counsel;

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                  (c) Pay the Trustee an initial acceptance fee of $1,000 and an
annual fee of $3,000 (it being expressly understood that the Property shall not
be used to pay such fee). The Company shall pay the Trustee the initial
acceptance fee and first year's fee at the consummation of the IPO and
thereafter on the anniversary of the Effective Date. The Trustee shall refund to
the Company the fee (on a pro rata basis) with respect to any period after the
liquidation of the Trust Fund. The Company shall not be responsible for any
other fees or charges of the Trustee except as may be provided in Section 3(b)
(it being expressly understood that the Property shall not be used to make any
payments to the Trustee under such Section); and

                  (d) In connection with any vote of the Company's stockholders
regarding a Business Combination, provide to the Trustee an affidavit or
certificate of a firm regularly engaged in the business of soliciting proxies
and/or tabulating stockholder votes (which firm may be the Trustee) verifying
the vote of the Company's stockholders regarding such Business Combination.

         4. Limitations of Liability. The Trustee shall have no responsibility
or liability to:

                  (a) Take any action with respect to the Property, other than
as directed in Sections 1 and 2 and the Trustee shall have no liability to any
party except for liability arising out of its own gross negligence or willful
misconduct;

                  (b) Institute any proceeding for the collection of any
principal and income arising from, or institute, appear in or defend any
proceeding of any kind with respect to, any of the Property unless and until it
shall have received written instructions from the Company given as provided
herein to do so and the Company shall have advanced or guaranteed to it funds
sufficient to pay any expenses incident thereto;

                  (c) Change the investment of any Property, other than in
compliance with Section 1(c);

                  (d) Refund any depreciation in principal of any Property;

                  (e) Assume that the authority of any person designated by the
Company to give instructions hereunder shall not be continuing unless provided
otherwise in such designation, or unless the Company shall have delivered a
written revocation of such authority to the Trustee and provided a copy to H.C.
Wainwright;
                                       4
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                  (f) The other parties hereto or to anyone else for any action
taken or omitted by it, or any action suffered by it to be taken or omitted, in
good faith and in the exercise of its own best judgment, except for its gross
negligence or willful misconduct. The Trustee may rely conclusively and shall be
protected in acting upon any order, notice, demand, certificate, opinion or
advice of counsel (including counsel chosen by the Trustee), statement,
instrument, report or other paper or document (not only as to its due execution
and the validity and effectiveness of its provisions, but also as to the truth
and acceptability of any information therein contained) which is believed by the
Trustee, in good faith, to be genuine and to be signed or presented by the
proper person or persons. The Trustee shall not be bound by any notice or
demand, or any waiver, modification, termination or rescission of this agreement
or any of the terms hereof, unless evidenced by a written instrument delivered
to the Trustee signed by the proper party or parties and, if the duties or
rights of the Trustee are affected, unless it shall give its prior written
consent thereto;

                  (g) Verify the correctness of the information set forth in the
Registration Statement or to confirm or assure that any acquisition made by the
Company or any other action taken by it is as contemplated by the Registration
Statement unless an officer of the Trustee has actual knowledge thereof, written
notice of such event is sent to the Trustee or as otherwise required under
Section 1(i); and

                  (h) Pay any taxes on behalf of the Trust Account (it being
expressly understood that the Property shall not be used to pay any such taxes
and that such taxes, if any, shall be paid by the Company from proceeds
distributed to the Company as set forth in Section 2(a). Notwithstanding the
foregoing, upon a liquidation, however, any taxes due with respect to such
Property shall be paid out of the interest earned on the Property only.
Trustee's sole obligation with respect to taxes shall be to issue the checks
with respect thereto provided for by Section 2(a)).

         5. Certain Rights Of Trustee.

                  (a) Before the Trustee acts or refrains from acting, it may
require an Officers' Certificate or opinion of counsel or both. The Trustee
shall not be liable for any action it takes or omits to take in good faith in
reliance on such Officers' Certificate or opinion of counsel. The Trustee may
consult with counsel and the advice of such counsel or any opinion of counsel
shall be full and complete authorization and protection from liability in
respect of any action taken, suffered or omitted by it hereunder in good faith
and in reliance thereon.

                  (b) The Trustee shall not be liable for any action it takes or
omits to take in good faith that it believes to be authorized or within the
rights or powers conferred upon it by this Agreement.

                  (c) The Trustee shall not be responsible for and makes no
representation as to the validity or adequacy of this Agreement; it shall not be
accountable for the Company's use of the proceeds from the Trust Account.
Notwithstanding the effective date of this Agreement or anything to the contrary
contained in this Agreement, the Trustee shall have no liability or
responsibility for any act or event relating to this Agreement or the
transactions related thereto which occurs prior to the date of this Agreement,
and shall have no contractual obligations to the Beneficiaries until the date of
this Agreement.

                                       5
<PAGE>

         6. Termination. This Agreement shall terminate as follows:

                  (a) If the Trustee gives written notice to the Company that it
desires to resign under this Agreement, the Company shall use its reasonable
efforts to locate a successor trustee, during which time the Trustee shall
continue to act in accordance with the terms of this Agreement. At such time
that the Company notifies the Trustee that a successor trustee has been
appointed by the Company and has agreed to become subject to the terms of this
Agreement, the Trustee shall transfer the management of the Trust Account to the
successor trustee, including but not limited to the transfer of copies of the
reports and statements relating to the Trust Account, whereupon this Agreement
shall terminate; provided, however, that, in the event that the Company does not
locate a successor trustee within ninety days of receipt of the resignation
notice from the Trustee, the Trustee may, but shall not be obligated to, submit
an application to have the Property deposited with the United States District
Court for the Southern District of New York and upon such deposit, the Trustee
shall be immune from any liability whatsoever that arises due to any actions or
omissions to act by any party after such deposit;

                  (b) At such time that the Trustee has completed the
liquidation of the Trust Account in accordance with the provisions of Section
1(i), and distributed the Property in accordance with the provisions of the
Termination Letter, this Agreement shall terminate except with respect to
Section 3(b).

         7. Miscellaneous.

                  (a) The Company and the Trustee each acknowledge that the
Trustee will follow the security procedures set forth below with respect to
funds transferred from the Trust Account. Upon receipt of written instructions,
the Trustee will confirm such instructions with an Authorized Individual at an
Authorized Telephone Number listed on the attached Exhibit C. The Company and
the Trustee will each restrict access to confidential information relating to
such security procedures to authorized persons. Each party must notify the other
party immediately if it has reason to believe unauthorized persons may have
obtained access to such information, or of any change in its authorized
personnel. In executing funds transfers, the Trustee will rely upon account
numbers or other identifying numbers of a beneficiary, beneficiary's bank or
intermediary bank, rather than names. The Trustee shall not be liable for any
loss, liability or expense resulting from any error in an account number or
other identifying number, provided it has accurately transmitted the numbers
provided.

                  (b) This Agreement shall be governed by and construed and
enforced in accordance with the laws of the State of Delaware, without giving
effect to conflict of laws. It may be executed in several counterparts, each one
of which shall constitute an original, and together shall constitute but one
instrument. Facsimile signatures shall constitute original signatures for all
purposes of this Agreement.

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<PAGE>

                  (c) This Agreement contains the entire agreement and
understanding of the parties hereto with respect to the subject matter hereof.
Except for Section 1(i) (which may not be amended under any circumstances), this
Agreement or any provision hereof may only be changed, amended or modified by a
writing signed by each of the parties hereto; provided; however, that no such
change, amendment or modification may be made without the prior written consent
of H.C. Wainwright. As to any claim, cross-claim or counterclaim in any way
relating to this Agreement, each party waives the right to trial by jury.

                  (d) The parties hereto consent to the jurisdiction and venue
of any state or federal court located in the State and County of New York for
purposes of resolving any disputes hereunder. The parties hereto irrevocably
submit to such jurisdiction, which jurisdiction shall be exclusive and hereby
waive any objection to such exclusive jurisdiction and that such courts
represent an inconvenient forum.

                  (e) Any notice, consent or request to be given in connection
with any of the terms or provisions of this Agreement shall be in writing and
shall be sent by express mail or similar private courier service, by certified
mail (return receipt requested), by hand delivery or by facsimile transmission:

         if to the Trustee, to:

                  Continental Stock Transfer & Trust Company
                  17 Battery Place
                  New York, New York 10004
                  Attn: _________________

         if to the Company, to:

                  Harbor Business Acquisition Corp.
                  200 Highpoint Drive, Suite 215
                  Chalfont, PA 18914-3922
                  Attn:  J. Randall Williams, Chief Executive Officer
                  Fax No.: _______________

         in either case with a copy to:

                  H.C. Wainwright Group LLC
                  405 Lexington Avenue
                  New York, New York 10174
                  Attn: Anthony J. Sarkis
                  Fax No.: _________________

                  (f) This Agreement may not be assigned by the Trustee without
                  the prior written consent of the Company and H.C. Wainwright.

                  (g) Each of the Trustee and the Company hereby represents that
                  it has the full right and power and has been duly authorized
                  to enter into this Agreement and to perform its respective
                  obligations as contemplated hereunder. The Trustee
                  acknowledges and agrees that it shall not make any claims or
                  proceed against the Trust Account, including by way of
                  set-off, and shall not be entitled to any funds in the Trust
                  Account under any circumstance.

                  (h) Each of the company and the Trustee hereby acknowledge
                  that H.C. Wainwright is a third party beneficiary under this
                  Agreement.

                                        7
<PAGE>

                  [Remainder of Page Intentionally Left Blank.]

                                        8
<PAGE>

         IN WITNESS WHEREOF, the parties have duly executed this Investment
Management Trust Agreement as of the date first written above.

                                   CONTINENTAL STOCK TRANSFER & TRUST
                                   COMPANY, as Trustee

                                   By:
                                   --------------------------
                                   Name:
                                   Title:

                                   HARBOR BUSINESS ACQUISITION CORP.

                                   By:
                                   ---------------------------
                                   Name:  J. Randall Williams
                                   Title: Chief Executive Officer

                                       9
<PAGE>

                                    EXHIBIT A

                             [LETTERHEAD OF COMPANY]

                                  [INSERT DATE]

Continental Stock Transfer & Trust Company
17 Battery Place
New York, New York 10004
Attn: _________________

                  Re:  Trust Account No. _______________ Termination Letter

Gentlemen:

         Pursuant to paragraph 1(i) of the Investment Management Trust Agreement
between Harbor Business Acquisition Corp. ("COMPANY") and Continental Stock
Transfer & Trust Company ("TRUSTEE"), dated as of ____________, 2006 ("TRUST
AGREEMENT"), this is to advise you that the Company has entered into an
agreement ("BUSINESS AGREEMENT") with __________________ ("TARGET BUSINESS") to
consummate a business combination with Target Business (a "BUSINESS
COMBINATION") on or about [INSERT DATE]. The Company shall notify you at least
two business days in advance of the actual date of the consummation of the
Business Combination ("CONSUMMATION DATE") and shall provide you with an
Officers' Certificate in accordance with Sections 1(i) and 3(a) of the Trust
Agreement. Capitalized words used herein and not otherwise define shall have the
meaning ascribed to them in the Trust Agreement.

         In accordance with the terms of the Trust Agreement, we hereby
authorize you to commence liquidation of the Trust Account to the effect that,
on the Consummation Date, all of funds held in the Trust Account will be
immediately available for transfer to the account or accounts that the Company
shall direct on the Consummation Date.

         On the Consummation Date (i) counsel for the Company shall deliver to
you written notification that (a) the Business Combination shall be consummated
immediately after the receipt of the funds from the Trust Account, and (b) the
provisions of Section 11-51-302(6) and Rule 51-3.4 of the CRS have been met, to
the extent applicable; (ii) the Company shall deliver along with the oath and
report of inspector of election certified by an independent inspector which may
be the Trustee or as otherwise appointed by the Company (collectively, the
"REPORT"); and (iii) the Company shall deliver to you written instructions with
respect to the transfer of the funds and such instructions shall include
instructions to release the Contingent Discount, to the extent payable to H.C.
Wainwright ("INSTRUCTIONS"). You are hereby directed and authorized to transfer
the funds held in the Trust Account immediately upon your receipt of the
counsel's letter, the Report, evidence of delivery of the Stock Certificates,
the Officers' Certificate and the Instructions in accordance with the terms of
the Instructions. In the event that certain deposits held in the Trust Account
may not be liquidated by the Consummation Date without penalty, you will notify
the Company of the same and the Company shall direct you as to whether such
funds should remain in the Trust Account and be distributed after the
Consummation Date to the Company. Upon the distribution of all the funds in the
Trust Account pursuant to the terms hereof, the Trust Agreement shall be
terminated and the Trust Account closed.

                                      A-1
<PAGE>

         In the event that the Business Combination is not consummated on the
Consummation Date described in the notice thereof and we have not notified you
on or before the original Consummation Date of a new Consummation Date, then the
funds held in the Trust Account shall be reinvested as provided in the Trust
Agreement on the business day immediately following the Consummation Date as set
forth in the notice.

                                        Very truly yours,

                                        HARBOR BUSINESS ACQUISITION CORP.

                                        By:
                                        ---------------------------------
                                        Name:  J. Randall Williams
                                        Title: Chief Executive Officer

cc:  H.C. Wainwright Group LLC

<PAGE>
                                    EXHIBIT B

                             [LETTERHEAD OF COMPANY]

                                  [INSERT DATE]

Harbor Business Acquisition Corp.
200 Highpoint Drive, Suite 215
Chalfont, PA 18914-3922
Attn: J. Randall Williams, Chief Executive Officer

                  Re:  Trust Account No. _______________ Termination Letter

Gentlemen:

         Pursuant to paragraph 1(i) of the Investment Management Trust Agreement
between Harbor Business Acquisition Corp. ("COMPANY") and Continental Stock
Transfer & Trust Company ("TRUSTEE"), dated as of ____________, 2006 ("TRUST
AGREEMENT"), this is to advise you that the Company has been unable to effect a
Business Combination with a Target Company within the time frame specified in
the Company's Certificate of Incorporation, as described in the Company's
prospectus relating to its IPO.

         In accordance with the terms of the Trust Agreement, we hereby (a)
certify to you that the provisions of Section 11-51-302(6) and Rule 51-3.4 of
the Colorado Revised Statute have been met and (b) authorize you, to commence
liquidation of the Trust Account to the stockholders of record. You will notify
the Company and Lehman Brothers Inc. in writing as to when all of the funds in
the Trust Account will be available for immediate transfer ("TRANSFER DATE") in
accordance with the terms of the Trust Agreement and the Certificate of
Incorporation of the Company. Thereafter, you shall commence distribution of
such funds as promptly as practicable in accordance with the terms of the Trust
Agreement and the Company's Certificate of Incorporation and you shall oversee
the distribution of the funds. Upon the distribution of all the funds in the
Trust Account, your obligations under the Trust Agreement shall be terminated
and the Trust Account closed.

                  [Remainder of Page Intentionally Left Blank]

                                      B-1
<PAGE>

                                    Very truly yours,

                                    HARBOR BUSINESS ACQUISITION CORP.

                                    By:
                                    --------------------------------
                                    Name:  J. Randall Williams
                                    Title: Chief Executive Officer

cc:  H.C. Wainwright Group LLC

                                      B-2
<PAGE>

                                    EXHIBIT C

AUTHORIZED INDIVIDUAL(S)                             AUTHORIZED
FOR TELEPHONE CALL BACK                              TELEPHONE NUMBER(S)

COMPANY:

Harbor Business Acquisition Corp.
200 Highpoint Drive, Suite 215
Chalfont, PA 18914-3922
Attn:  J. Randall Williams

TRUSTEE:

Continental Stock Transfer & Trust Company
17 Battery Place
New York, New York 10004
Attn: _________________

                                      C-1
<PAGE>

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