Document:

April 22, 2005

Courtside Acquisition Corp.
1700 Broadway, 17th Floor
New York, New York 10019

EarlyBirdCapital, Inc.
275 Madison Avenue
Suite 1203
New York, New York 10016

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

Gentlemen:

                  The undersigned stockholder and director of Courtside
Acquisition Corp. ("Company"), in consideration of EarlyBirdCapital, Inc.
("EBC") 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 12 hereof):

                  1. If the Company solicits approval of its stockholders of a
Business Combination, the undersigned will vote all Insider Shares owned by him
in accordance with the majority of the votes cast by the holders of the IPO
Shares.

                  2. In the event that the Company fails to consummate a
Business Combination within 18 months from the effective date ("Effective Date")
of the registration statement relating to the IPO (or 24 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
(as defined in the Letter of Intent) to be liquidated and distributed to the
holders of IPO Shares and (ii) cause the Company to liquidate as soon as
reasonably practicable. The undersigned hereby waives any and all right, title,
interest or claim of any kind in or to any distribution of the Trust Fund and
any remaining net assets of the Company as a result of such liquidation with
respect to his Insider Shares ("Claim") 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

Courtside Acquisition Corp.
EarlyBirdCapital, Inc.
April 22, 2005
Page 2

will not seek recourse against the Trust Fund for any reason whatsoever.

                  3. 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 Company or until such time as the undersigned ceases to be a
director of the Company, subject to any pre-existing fiduciary and contractual
obligations the undersigned might have.

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

                  5. 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.

                  6. 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.

                  7. 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.

                  8. 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 liquidation of the Company. The undersigned's
biographical information furnished to the Company and EBC 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

Courtside Acquisition Corp.
EarlyBirdCapital, Inc.
April 22, 2005
Page 3

pursuant to Item 401 of Regulation S-K, promulgated under the Securities Act of
1933. The undersigned's Questionnaire furnished to the Company and EBC 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;

         (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.

                  9. 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 Director of the Company.

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

                  11. 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 (i) agrees that any action, proceeding or claim against him arising out
of or relating in any way to this letter agreement (a "Proceeding") shall be
brought and enforced in the courts of the State of New York of the United States
of America for the Southern District of New York, and irrevocably submits to
such jurisdiction, which jurisdiction shall be exclusive, (ii) waives any
objection to such exclusive jurisdiction and that such courts represent an
inconvenient forum and (iii) irrevocably agrees to appoint Graubard Miller as
agent for the service of process in the

Courtside Acquisition Corp.
EarlyBirdCapital, Inc.
April 22, 2005
Page 4

State of New York to receive, for the undersigned and on his behalf, service of
process in any Proceeding. If for any reason such agent is unable to act as
such, the undersigned will promptly notify the Company and EBC and appoint a
substitute agent acceptable to each of the Company and EBC within 30 days and
nothing in this letter will affect the right of either party to serve process in
any other manner permitted by law.

                  12. 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; (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 (iv) "IPO Shares" shall
mean the shares of Common Stock issued in the Company's IPO.

                                                     Peter R. Haje
                                                     -------------
                                                     Print Name of Insider

                                                     /s/ Peter R. Haje
                                                     -----------------
                                                     Signature

EXHIBIT A

         Peter R. Haje has served as a member of our board of directors since
our inception. Since January 2000, Mr. Haje has been engaged in private business
and legal activities, including acting as a consultant for AOL/Time Warner Inc.
and as general counsel emeritus for Time Warner Inc. from January 2000 to
December 2002. From October 1990 to December 1999, Mr. Haje served as executive
vice president and general counsel of Time Warner Inc. and served as secretary
from May 1993 to December 1999. Prior to joining Time Warner, Mr. Haje was an
associate and later a partner a the law firm of Paul, Weiss, Rifkind, Wharton &
Garrison. Mr. Haje received an A.B. from Cornell University and an L.L.B. from
Harvard Law School.April 22, 2005

Courtside Acquisition Corp.
1700 Broadway, 17th Floor
New York, New York 10019

EarlyBirdCapital, Inc.
275 Madison Avenue
Suite 1203
New York, New York 10016

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

Gentlemen:

         JAR Partners L.P. ("Partners"), a stockholder of Courtside Acquisition
Corp. ("Company"), in consideration of EarlyBirdCapital, Inc. ("EBC") 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 10 hereof):

         1. If the Company solicits approval of its stockholders of a Business
Combination, Partners will vote all Insider Shares owned by it in accordance
with the majority of the votes cast by the holders of the IPO Shares.

         2. In the event that the Company fails to consummate a Business
Combination within 18 months from the effective date ("Effective Date") of the
registration statement relating to the IPO (or 24 months under the circumstances
described in the prospectus relating to the IPO), Partners will vote all Insider
Shares owned by it in favor of the Company's decision to liquidate. Each of
Partners and each partner or controlling person of Partners (each a "Control
Person") hereby waives any and all right, title, interest or claim of any kind
in or to any distribution of the Trust Fund (as defined in the Letter of Intent)
and any remaining net assets of the Company as a result of such liquidation with
respect to its Insider Shares ("Claim") and hereby waives any Claim either 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.

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

         4. Neither Partners, any Control Person, nor any affiliate of Partners
or any Control Person ("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 commencing on the
Effective Date, Alpine Capital LLC ("Related Party"), shall be allowed to charge
the Company $7,500 per month, representing an allocable share of Related Party's
overhead, to compensate it for the Company's use of Related Party's offices,
utilities and personnel. Related Party and Partners shall also be entitled to
reimbursement from the Company for their out-of-pocket expenses incurred in
connection with seeking and consummating a Business Combination. Notwithstanding
anything to the foregoing, nothing contained herein shall prevent the Company
from engaging in ordinary course banking transactions, including maintaining
bank accounts, with Alpine Capital Bank.

         5. Neither Partners, any Control Person, nor any Affiliate 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. Partners will escrow its 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 Partners and an escrow agent
acceptable to the Company.

         7. Partners' Questionnaire furnished to the Company and EBC and annexed
as Exhibit A hereto is true and accurate in all respects. Partners represents
and warrants that no Control Person:

     (a) is 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) 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 is not currently a defendant in any such criminal proceeding; and

     (c) 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. Partners has full right and power, without violating any agreement
by which it is bound, to enter into this letter agreement.

         9. 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. Partners hereby (i) agrees that
any action, proceeding or claim against him arising out of or relating in any
way to this letter agreement (a "Proceeding") shall be brought and enforced in
the courts of the State of New York of the United States of America for the
Southern District of New York, and irrevocably submits to such jurisdiction,
which jurisdiction shall be exclusive, (ii) waives any objection to such
exclusive jurisdiction and that such courts represent an inconvenient forum and
(iii) irrevocably agrees to appoint Graubard Miller as agent for the service of
process in the State of New York to receive, for the undersigned and on his
behalf, service of process in any Proceeding. If for any reason such agent is
unable to act as such, Partners will promptly notify the Company and EBC and
appoint a substitute agent acceptable to each of the Company and EBC within 30
days and nothing in this letter will affect the right of either party to serve
process in any other manner permitted by law.

         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; (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 (iv) "IPO Shares" shall
mean the shares of Common Stock issued in the Company's IPO.

                                                     JAR Partners L.P.
                                                     -----------------
                                                     Print Name of Insider

                                            By:      /s/ Richard D. Goldstein
                                                     ---------------------------
                                                     Name: Richard D. Goldstein
                                                     Title: Trustee

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