EXHIBIT 10.1 STOCK PURCHASE AGREEMENT This Agreement ("Agreement") is entered into this 14th day of January, 1998, by and between Biomar International, Inc., a Delaware corporation with its principal offices in Chapel Hill, North Carolina (the...Stock Purchase Agreement • January 29th, 1999 • Paracelsian Inc /De/ • In vitro & in vivo diagnostic substances • North Carolina
EXHIBIT 10.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement, dated as of January 14, 1998 (the "Agreement"), is by and between PARACELSIAN, INC., a Delaware corporation with its principal offices in New York (the "Company"), and...Registration Rights Agreement • January 29th, 1999 • Paracelsian Inc /De/ • In vitro & in vivo diagnostic substances • North Carolina
EXHIBIT 10.3 STOCK PURCHASE AGREEMENT This Stock Purchase Agreement, dated as of December 15, 1998 (the "Agreement"), is by and between PARACELSIAN, INC., a Delaware corporation with its principal offices in the State of New York (the "Company"), and...Stock Purchase Agreement • January 29th, 1999 • Paracelsian Inc /De/ • In vitro & in vivo diagnostic substances • North Carolina
