EXHIBIT 7(2) STOCK PURCHASE AGREEMENT DATED NOVEMBER 1, 1999Stock Purchase Agreement • January 24th, 2002 • Bay City Capital Management LLC • In vitro & in vivo diagnostic substances • Washington
Exhibit 7(3) CONFIDENTIAL PORTIONS HAVE BEEN OMITTED BASED UPON A REQUEST FOR CONFIDENTIAL TREATMENT PURSUANT TO RULE 24B-2 OF THE SECURITIES EXCHANGE ACT OF 1934 AND HAVE BEEN SEPARATELY FILED WITH THE COMMISSION November 7, 2000 William G. Gerber,...Letter Agreement • January 24th, 2002 • Bay City Capital Management LLC • In vitro & in vivo diagnostic substances • California
EXHIBIT 7(1) AGREEMENT WITH RESPECT TO SCHEDULE 13D The undersigned hereby agree that any Statement on Schedule 13D to be filed with the Securities and Exchange Commission by any of the undersigned, including any amendment thereto, with respect to...Bay City Capital Management LLC • January 24th, 2002 • In vitro & in vivo diagnostic substances
