SCHEDULE 13G
CUSIP NO. 000000000 PAGE 14 OF 15 PAGES
Exhibit I
JOINT FILING AGREEMENT
This will confirm the agreement by and among the undersigned that the
amendment to Schedule 13G filed with the Securities and Exchange Commission on
or about the date hereof with respect to the beneficial ownership by the
undersigned of the Common Stock, no par value, of Questcor Pharmaceuticals,
Inc., a California corporation, is being filed, and all amendments thereto will
be filed, on behalf of each of the persons and entities named below in
accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as
amended. This Agreement may be executed in two or more counterparts, each of
which shall be deemed an original, but all of which together shall constitute
one and the same instrument.
Dated as of January 28, 2003
/s/ Xxxxxx X. Xxxxxxxx, Xx.
-------------------------------
Xxxxxx X. Xxxxxxxx, Xx.
/s/ Xxxxxxxx X. Xxxx
-------------------------------
Xxxxxxxx X. Xxxx
DELTA OPPORTUNITY FUND, LTD.
By: XXXX & XXXXXXXX ADVISORS, LLC,
as Investment Advisor
By: /s/ Xxxxxxxxxxx X. Xxxxxx
----------------------------
Xxxxxxxxxxx X. Xxxxxx
Title: Chief Financial Officer
DELTA OPPORTUNITY FUND (INSTITUTIONAL), LLC
By: XXXX & ALTSCHUL MANAGEMENT, LLC,
as Managing Member
By: /s/ Xxxxxxxxxxx X. Xxxxxx
----------------------------
Xxxxxxxxxxx X. Xxxxxx
Title: Chief Financial Officer
SCHEDULE 13G
CUSIP NO. 000000000 PAGE 15 OF 15 PAGES
XXXX & XXXXXXXX ADVISORS, LLC
By: /s/ Xxxxxxxxxxx X. Xxxxxx
---------------------------------
Xxxxxxxxxxx X. Xxxxxx
Title: Chief Financial Officer
XXXX & ALTSCHUL MANAGEMENT, LLC
By: /s/ Xxxxxxxxxxx X. Xxxxxx
---------------------------------
Xxxxxxxxxxx X. Xxxxxx
Title: Chief Financial Officer
