Genzyme Corp Watch

from SC 13D 28 pages Common Stock Subscription Agreement

from SC 13D/A 4 pages Bioenvision Shareholders Approve Acquisition by Genzyme Corporation

from SC 13D 2 pages Joint Filing Agreement

from SC 13D/A 1 page Underwriting agreement

from 8-A12G ~50 pages Underwriting agreement

from SC 13D/A 1 page Underwriting agreement

from 8-K ~50 pages Underwriting agreement

from SC 13G/A 1 page <page> Exhibit 1 Agreement as to Joint Filing of Schedule 13g Each of the Undersigned Hereby Affirms That It Is Individually Eligible to Use Schedule 13g, and Agrees That This Schedule 13g Is Filed on Its Behalf. Date: June 7, 2000 Salomon Smith Barney Inc. By: /S/ Howard M. Darmstadter Name: Howard M. Darmstadter Title: Assistant Secretary Salomon Brothers Holding Company Inc By: /S/ Howard M. Darmstadter Name: Howard M. Darmstadter Title: Assistant Secretary Ssb Citi Fund Management LLC By: /S/ Christina T. Sydor Name: Christina T. Sydor Title: Secretary Salomon Smith Barney Holdings Inc. By: /S/ Howard M. Darmstadter Name: Howard M. Darmstadter Title: Assistant Secretary Citigroup Inc. By: /S/ Joseph B. Wollard Name: Joseph B. Wollard Title: Assistant Secretary

from SC 13D/A 1 page Underwriting agreement

from SC 13D/A 1 page Directors and Executive Officers of Genzyme

from SC 13D 1 page Directors & Executive Officers of Genzyme

from S-3/A ~50 pages Form of Underwriting Agreement

from S-3/A ~20 pages Underwriting Agreement

from S-3/A ~20 pages Underwriting Agreement

from S-3/A ~20 pages Form of Underwriting Agreement