I. MODIFIED AGREEMENTS

Biotech Co.* (Country; Symbol)

Biotech Co.* (Country; Symbol)

Change from
original
agreement

Terms/Details (Date)


Chiron Corp.
(CHIR)

Procyon Biopharma
Inc.
(Canada;
TSE:PBP)

Extended license option agreement for the evaluation of Procyon's prostate secretory protein technology in the treatment of late-stage prostate cancer

The extension gave Chiron exclusivity until Sept. 30 to evaluate the PSP94 technology; Chiron may exercise its right to negotiate a worldwide license to the PSP94 technology (7/12)

Dyax Corp.
(DYAX)

Genzyme Corp.
(GENZ)

Modified collaboration that increases the line of credit from Genzyme to Dyax from $3M to $7M

The collaboration is to develop the kallikrein inhibitor DX-88; the restructured agreement also provides Dyax with an option to acquire Genzyme's interest in the potential application of DX-88 for the prevention of blood loss and other sys- temic inflammatory responses in cardiopulmonary bypass and other surgeries (6/4)

Genentech
Inc.
(NYSE:
DNA)

VaxGen Inc.
(VXGN)

Revised May 1997 license and supply agreement to give VaxGen greater flexibility in commercializing its AIDS vaccine candidate, AIDSVax

Genentech maintained its option to market and sell the vaccine in North America, but relinquished its option to the rest of the world; it also reduced VaxGen's royalty obligations for sales to the World Health Organization or United Nations for under- developed countries by up to 50% (7/3)

Inhale Therapeutic Systems Inc. (INHL)

Chiron Corp.
(CHIR)

Modified agreement to develop an additional inhaleable antibiotic
product

The companies entered a collaboration in December 2001 to develop a next-generation inhaled powder tobramycin product and to explore developing inhaled antibiotics; based on research, the companies will develop an inhaleable powdered version of PA2794 (7/17)

Signature BioScience
Inc.*

geneticXchange Inc.*

Expanded relationship to increase the use of the geneticXchange discovery- Hub product

The product facilitates Signature's data integration on proteins and pathways gathered from its microwave-based spectroscopy in order to understand the relationships between targets (6/4)

The Immune Response Corp.
(IMNR)

Trinity Medical Group USA Inc. (OTC BB:
TMGU)

Amended Remune license and collaboration contract calling for an additional $50 per unit to be paid to IR for the first 1M doses of Remune purchased by Trinity

Trinity will receive shares of Immune Response common stock and a waiver of the final, optional $5M milestone payment for the technology transfer of Remune manufacturing rights in Trinity's licensed territories; Trinity would receive 2M shares upon the Thai government's approval of the HIV drug in exchange for the $5M milestone payment to Immune Response (6/28)

Vical Inc.
(VICL)

Centocor Inc.
(unit of Johnson Johnson)

Expanded option and license agreement to use Vical's naked DNA technology to develop DNA vaccines for cancer

The expansion of the 1998 agreement will provide an undisclosed up-front payment to Vical, and it could lead to milestone payments and royalties; the specifics of the expansion were not disclosed (6/18)

II. TERMINATED AGREEMENTS

Biotech Co.* (Country; Symbol)

Biotech Co.* (Country; Symbol)

Change from
original
agreement

Terms/Details (Date)


British Biotech
plc
(UK; LSE:BBG)

BresaGen
Ltd.
(Australia; BSGNY)

Terminated agreement to develop the GM-CSF antagonist E21R

The decision was made following the re- lease of preclinical data that failed to confirm earlier data on E21R-induced apoptosis in acute myeloid leukemia cells (7/23)


Notes:

# The information in the chart does not cover agricultural agreements.

* Private companies are indicated with an asterisk.

Unless otherwise noted, stock symbols listed are on the Nasdaq market.

LSE = London Stock Echange; NYSE = New York Stock Exchange; OTC BB = Over the Counter Bulleting Board; TSE = Toronto Stock Exchange