Trading Symbol: SRGN
CUSIP Number: 817474109
TERMS OF THE SETTLEMENT: The Partial Settlement consists of $4,375,000 in cash and will include interest on the Settlement Fund prior to distribution.
CLASS DESCRIPTION: On behalf of all holders and beneficial owners of shares of common stock of Seragen, Inc. during the period of November 4, 1997 through August 12, 1998, inclusive.
DATE TO SEEK EXCLUSION
FROM THE CLASS: TBD
DATE FOR SUBMISSION OF
PROOF OF CLAIM FORMS: JUNE 7, 2010