EXHIBIT 1.6
November 23, 1998
Medeva Pharmaceuticals, Inc.
000 Xxxxxxxxx Xxxx
Xxxxxxxxx, XX 00000
Medeva PLC
00 Xx. Xxxxx'x Xxxxxx
Xxxxxx XX0XX
Xxxxxxx
RE: COMMON STOCK PURCHASE AGREEMENT (THE "AGREEMENT") DATED AS OF NOVEMBER
23, 1998 AMONG TARGETED GENETICS CORPORATION (THE "COMPANY"), MEDEVA
PHARMACEUTICALS, INC. ("INVESTOR"), AND MEDEVA PLC ("PARENT")
Gentlemen:
We understand that you wish to amend the Agreement to provide for the
purchase of Common Stock by Parent at the initial closing. We agree as follows:
1. With respect to the initial purchase and sale of the Company's common
stock under the Agreement, Investor hereby assigns to Parent all of Investor's
rights and obligations under the Agreement.
2. With respect to the initial purchase and sale of the Company's common
stock under the Agreement, Parent shall have and shall perform all of Investor's
rights and obligations under the Agreement.
3. All other terms and conditions of the Agreement are hereby confirmed and
shall continue in full force and effect.
November 23, 1998
Page 2
Please confirm your agreement with the foregoing by signing a copy of this
letter in the space provided below and returning it to the undersigned.
TARGETED GENETICS CORPORATION,
By: /s/ Xxxxx X. Xxxxxxx
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Name: Xxxxx X. Xxxxxxx
Its: Vice President, Finance
Agreed to and accepted this 23rd day of November, 1998.
MEDEVA PHARMACEUTICALS, INC.
By: /s/ Xxxx Xxxx Xxxxx
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Name: Xxxx Xxxx Xxxxx
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Its: Assistant Secretary
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MEDEVA PLC
By: /s/ Xxxx Xxxxxx
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Name: Xxxx Xxxxxx
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Its: Company Secretary
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SMG:smg