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EXHIBIT 4.3
[CORIXA LETTERHEAD]
*Certain confidential information contained in this document, marked by
brackets, has been omitted and filed with Securities and Exchange Commission
pursuant to Rule 406 of the Securities Act of 1933, as amended.
December 29, 2000
Castle Gate L.L.C.
0000 Xxxxxxxx Xxxxx
Xxxxxxxx, XX 00000
Attention: Xxxxxxx Xxxxxx
RE: EQUITY LINE OF CREDIT AND SECURITIES PURCHASE AGREEMENT ENTERED INTO AS
OF APRIL 8, 1999, BY AND AMONG CORIXA CORPORATION (THE "COMPANY") AND
CASTLE GATE L.L.C. (THE "CASTLE GATE") (THE "PURCHASE AGREEMENT"), AS
AMENDED BY THE LETTER AGREEMENT DATED DECEMBER 21, 2000 (THE "FIRST
AMENDMENT")
Dear Xx. Xxxxxx:
This letter shall confirm our agreement that the Purchase Agreement, as amended
by the First Amendment, is hereby further amended as follows (capitalized terms
used herein and not otherwise defined shall have the meanings ascribed to them
in the Purchase Agreement):
1. Section 5q. (page 16) of the Purchase Agreement is deleted in its
entirety and replaced with the following provision:
[*]
2. Paragraph 1 of the First Amendment is amended by deleting the phrase on the
fifth line [*] and replacing it with the phrase "the three trading days,
December 26, 2000 through December 28, 2000".
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* Confidential treatment requested.
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If Castle Gate agrees with the foregoing, please so indicate by signing the
enclosed duplicate original of this letter and returning it to my attention at
your earliest convenience.
Best regards,
/s/ Xxxxxx Xxxxxx
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Xxxxxx Xxxxxx
Chairman and Chief Executive Officer
AGREED:
Castle Gate L.L.C.
By: /s/ Xxxxxxx Xxxxxx
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Xxxxxxx X. Xxxxx III*
*By Xxxxxxx Xxxxxx, Attorney in Fact