Exhibit 99.1
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with
respect to the shares of common stock of Cytogen Corp. is, and any amendment
thereto signed by each of the undersigned shall be, filed on behalf of each of
the undersigned pursuant to and in accordance with the provisions of Rule
13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended. The
undersigned hereby further agree that this Joint Filing Agreement be included as
an exhibit to such statement and any such amendment. This Joint Filing Agreement
may be executed in any number of counterparts, all of which taken together shall
constitute one and the same instrument.
Dated: November 30, 2005
/s/ Xxxxxxxx XxXxxxxxx
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Xxxxxxxx XxXxxxxxx, as a member of
ProQuest Associates III LLC and on behalf
of ProQuest Investments III, L.P., and as
a member of ProQuest Associates II LLC
and on behalf of ProQuest Investments II,
L.P. and ProQuest Investments II Advisors
Fund, L.P.
*
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Xxx Xxxxxx, individually
*
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Xxxxx Xxxxxxxxx, individually
*By: /s/ Xxxxxxxx XxXxxxxxx
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Xxxxxxxx XxXxxxxxx, Attorney-in-Fact
Power of attorney filed as an exhibit hereto
