Document:

February 28, 2005

Juniper Partners Acquisition Corp.
56 West 45th Street
Suite 805
New York, New York 10036

HCFP/Brenner Securities LLC
888 Seventh Avenue, 17th Floor
New York, New York 10106

               Re:  Initial Public Offering
                    -----------------------

Ladies and Gentlemen:

     The undersigned director and security holder of Juniper Partners
Acquisition Corp. ("Company"), in consideration of HCFP/Brenner Securities LLC's
("Brenner") willingness 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 10 hereof):

     1. In the event that the Company fails to consummate a Business Combination
within 12 months from the effective date ("Effective Date") of the registration
statement relating to the IPO (or 18 months under the circumstances described in
the prospectus relating to the IPO), the undersigned will take all reasonable
actions within his power to (i) cause the Trust Fund to be liquidated and
distributed to the holders of the shares of Class B common stock sold in the
Company's IPO and (ii) liquidate as soon as reasonably practicable. The
undersigned waives any and all right, title, interest or claim of any kind in or
to any distribution of the Trust Fund as a result of such liquidation with
respect to his Insider Securities ("Claim") and hereby waives any Claim he 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.

     2. 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, prior to presentation to any other person or entity, any
suitable opportunity to acquire an operating business, until the earlier of the
consummation by the Company of a Business Combination, the liquidation of the
Trust Fund or until such time as the undersigned ceases to be an officer or
director of the Company, subject to any pre-existing

Juniper Partners Acquisition Corp.
HCFP/Brenner Securities LLC
February 28, 2005
Page 2

fiduciary obligations the undersigned might have.

     3. 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 Brenner that the
business combination is fair to the Company's stockholders from a financial
perspective.

     4. Neither the undersigned, any member of the family of the undersigned,
nor any affiliate ("Affiliate") of the undersigned 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 reimbursement from the Company for his out-of-pocket
expenses incurred in connection with seeking and consummating a Business
Combination.

     5. Neither the undersigned, any member of the family of the undersigned, or
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.

     6. The undersigned agrees not to sell any of his Insider Securities until
the Company's completion of a Business Combination.

     7. The undersigned agrees to be a member of the Board of Directors of the
Company until the earlier of the consummation by the Company of a Business
Combination or the distribution of the Trust Fund. The undersigned's
biographical information furnished to the Company and Brenner 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 furnished to the Company and Brenner and annexed as Exhibit B
hereto 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;

Juniper Partners Acquisition Corp.
HCFP/Brenner Securities LLC
February 28, 2005
Page 3

          (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.

     8. 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 a member of the Board of Directors of the Company.

     9. The undersigned authorizes any employer, financial institution, or
consumer credit reporting agency to release to Brenner and its legal
representatives or agents (including any investigative search firm retained by
Brenner) any information they may have about my background and finances
("Information"). Neither Brenner 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.

     10. As used herein, (i) a "Business Combination" shall mean an acquisition
by merger, capital stock exchange, asset or stock acquisition, reorganization or
otherwise, of an operating business selected by the Company; (ii) "Insiders"
shall mean all officers, directors and stockholders of the Company immediately
prior to the IPO; (iii) "Insider Securities" shall mean all of the shares of
common stock, Class W Warrants and Class Z Warrants (and all shares of common
stock underlying such securities) of the Company owned by an Insider prior to
the IPO; and (iv) "Trust Fund" shall mean that portion of the net proceeds of
the IPO placed in trust for the benefit of the holders of the shares of Class B
common stock issued in the Company's IPO as contemplated by the Company's
prospectus relating to the IPO.

                                       Daniel Burstein
                                       ---------------
                                       Print Name of Insider

                                       /s/ Daniel Burstein
                                       -------------------
                                       Signature

EXHIBIT A

     DANIEL BURSTEIN has been a member of our Board of Directors since our
inception. Since January 2000, Mr. Burstein has served as the Managing Partner
of Millennium Technology Ventures Advisors, LLC, the general partner of
Millennium Technology Ventures, L.P., a venture capital fund currently focused
on late stage and post-public technology investments. Prior to founding
Millennium, Mr. Burstein served as Chief Investment Officer for PS Capital
Holdings and PS Capital Ventures, the predecessor funds of Millennium. From 1989
to March 2000, Mr. Burstein served as senior advisor at The Blackstone Group, a
private merchant bank. Mr. Burstein is the author of five books on new
technology trends and global economic issues, including Road Warriors, a 1995
book about the birth of digital media and the Internet. He has also written
books about the future of China, Japan, and the European Union. Mr. Burstein has
been a forum fellow at the World Economic Forum in Davos and has been honored
many times for his books and journalistic work, including awards from the
Overseas Press Club and Sigma Delta Chi. His most recent books, Secrets of the
Code: The Unauthorized Guide to the Mysteries Behind the Da Vinci Code and
Secrets of Angels & Demons have been New York Times bestsellers and each
currently have over a million copies in print worldwide. Mr. Burstein attended
Reed College and the University of California at Berkeley.February 28, 2005

Juniper Partners Acquisition Corp.
56 West 45th Street
Suite 805
New York, New York 10036

HCFP/Brenner Securities LLC
888 Seventh Avenue, 17th Floor
New York, New York 10106

          Re:  Initial Public Offering

Ladies and Gentlemen:

     The undersigned director and security holder of Juniper Partners
Acquisition Corp. ("Company"), in consideration of HCFP/Brenner Securities LLC's
("Brenner") willingness 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 10 hereof):

     1. In the event that the Company fails to consummate a Business Combination
within 12 months from the effective date ("Effective Date") of the registration
statement relating to the IPO (or 18 months under the circumstances described in
the prospectus relating to the IPO), the undersigned will take all reasonable
actions within his power to (i) cause the Trust Fund to be liquidated and
distributed to the holders of the shares of Class B common stock sold in the
Company's IPO and (ii) liquidate as soon as reasonably practicable. The
undersigned waives any and all right, title, interest or claim of any kind in or
to any distribution of the Trust Fund as a result of such liquidation with
respect to his Insider Securities ("Claim") and hereby waives any Claim he 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.

     2. 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, prior to presentation to any other person or entity, any
suitable opportunity to acquire an operating business, until the earlier of the
consummation by the Company of a Business Combination, the liquidation of the
Trust Fund or until such time as the undersigned ceases to be an officer or
director of the Company, subject to any pre-existing

Juniper Partners Acquisition Corp.
HCFP/Brenner Securities LLC
February 28, 2005
Page 2

fiduciary obligations the undersigned might have.

     3. 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 Brenner that the
business combination is fair to the Company's stockholders from a financial
perspective.

     4. Neither the undersigned, any member of the family of the undersigned,
nor any affiliate ("Affiliate") of the undersigned 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 reimbursement from the Company for his out-of-pocket
expenses incurred in connection with seeking and consummating a Business
Combination.

     5. Neither the undersigned, any member of the family of the undersigned, or
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.

     6. The undersigned agrees not to sell any of his Insider Securities until
the Company's completion of a Business Combination.

     7. The undersigned agrees to be a member of the Board of Directors of the
Company until the earlier of the consummation by the Company of a Business
Combination or the distribution of the Trust Fund. The undersigned's
biographical information furnished to the Company and Brenner 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 furnished to the Company and Brenner and annexed as Exhibit B
hereto 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;

Juniper Partners Acquisition Corp.
HCFP/Brenner Securities LLC
February 28, 2005
Page 3

          (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.

     8. 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 a member of the Board of Directors of the Company.

     9. The undersigned authorizes any employer, financial institution, or
consumer credit reporting agency to release to Brenner and its legal
representatives or agents (including any investigative search firm retained by
Brenner) any information they may have about my background and finances
("Information"). Neither Brenner 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.

     10. As used herein, (i) a "Business Combination" shall mean an acquisition
by merger, capital stock exchange, asset or stock acquisition, reorganization or
otherwise, of an operating business selected by the Company; (ii) "Insiders"
shall mean all officers, directors and stockholders of the Company immediately
prior to the IPO; (iii) "Insider Securities" shall mean all of the shares of
common stock, Class W Warrants and Class Z Warrants (and all shares of common
stock underlying such securities) of the Company owned by an Insider prior to
the IPO; and (iv) "Trust Fund" shall mean that portion of the net proceeds of
the IPO placed in trust for the benefit of the holders of the shares of Class B
common stock issued in the Company's IPO as contemplated by the Company's
prospectus relating to the IPO.

                                               Richard Intrator
                                               ----------------
                                               Print Name of Insider

                                               /s/ Richard Intrator
                                               --------------------
                                               Signature

EXHIBIT A

     RICHARD INTRATOR has been a member of our Board of Directors since our
inception. Since July 2004, Mr. Intrator has been the Chief Executive Officer of
Philanthria, LLC, a financial services firm providing capital solutions for
charities and not-for-profit institutions. From August 2002 through July 2004,
Mr. Intrator has provided transactional and operating advisory services to
Founders Equity, Inc., a private equity firm. From January 2002 to August 2002,
Mr. Intrator served as a crisis management consultant to media and entertainment
companies. From February 2000 to January 2002, Mr. Intrator served as Executive
Vice President of IMAX Corp., a Nasdaq National Market listed entertainment
technology company, specializing in large-format and three-dimensional film
presentations, and president of IMAX Enterprises, a subsidiary of IMAX Corp.,
where he was responsible for developing new opportunities for IMAX's business.
From 1997 to 1999, Mr. Intrator served as Managing Director and Head of the
Media Investment Banking Group for PaineWebber Incorporated. From 1992 to 1996,
Mr. Intrator served as Managing Director and Head of the Media and Entertainment
and Communications Group of The Lodestar Group/LSG Advisors, a division of
Societe Generale Securities Corporation. From 1986 to 1992, Mr. Intrator served
as Senior Vice President of Investment Banking in the Media and Entertainment
Group of Kidder, Peabody & Co., Inc. Mr. Intrator received a B.S. from The
Wharton School at the University of Pennsylvania and an M.B.A. from Harvard
Business School.

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