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Exhibit 10.28
***Text Omitted and Filed Separately
Confidential Treatment Requested
Under 17 C.F.R. Sections 200.80(b)(4),
200.83 and 240.24b-2
SMITHKLINE XXXXXXX
VIA FACSIMILE
HARD COPY TO FOLLOW BY OVERNIGHT EXPRESS MAIL
November 30, 1998
Xxxxxxx Pharmaceutical, Inc.
000 Xxxxxxxxxx Xxxxxx, Xxxxx 000
Xxxx Xxxx, Xxxxxxxxxx 00000, XXX
Attention: Chief Financial Officer
RE: Amendment # 1 to October 23, 1998 Collaboration Agreement
Xxxxxxx Pharmaceutical, Inc. - SmithKline Xxxxxxx Corporation
Dear Sir:
This letter will confirm that the Collaboration Agreement (the
"Agreement"), executed as of October 23, 1998 by and between Xxxxxxx
Pharmaceutical, Inc., a company incorporated under the laws of the State of
Delaware, with its principal place of business at 000 Xxxxxxxxxx Xxxxxx, Xxxxx
000, Xxxx Xxxx, Xxxxxxxxxx 00000, XXX ("Xxxxxxx"), and SmithKline Xxxxxxx
Corporation, a company incorporated under the laws of the Commonwealth of
Pennsylvania, with its principal place of business at Xxx Xxxxxxxx Xxxxx,
Xxxxxxxxxxxx, Xxxxxxxxxxxx 00000, XXX ("SB"), shall be amended as follows:
- In Paragraph 19.1.3, all occurrences of the date [***]
shall be changed to [***].
- All other terms and conditions of the Agreement shall remain in
full force and effect.
Please indicate your acceptance of this Amendment Agreement by signing
and dating the duplicate copies of this letter below and returning on such fully
executed copy to SB.
Very truly yours,
SMITHKLINE XXXXXXX CORPORATION
By: /s/ Xxxxxx X. Xxxxxx
---------------------------------
Title: Secretary
AGREED TO AND ACCEPTED:
XXXXXXX PHARMACEUTICAL, INC.
By: /s/ Xxxxxxx X. Xxxxxx
---------------------------------
Title: President& CEO
---------------------------------
Date: 11-30-98
---------------------------------
Xxx Xxxxxxxx Xxxxx, XX Xxx 0000, Xxxxxxxxxxxx, XX 00000.
Telephone(215) 000 0000. Fax(215) 000 0000.
* Confidential Treatment Requested
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cc (w/enclosure):
Xxxxxxx Pharmaceutical, Inc.
000 Xxxxxxxxxx Xxxxxx, Xxxxx 000
Xxxx Xxxx, Xxxxxxxxxx 00000
XXX
Facsimile: (000) 000-0000
Attn: Chief Executive Officer
and
Xxxxxxx Pharmaceutical, Inc.
000 Xxxxxxxxxx Xxxxxx, Xxxxx 000
Xxxx Xxxx, Xxxxxxxxxx 00000
XXX
Facsimile: (000) 000-0000
Attn: Vice President, Business Development