DSM commences tender offer for Kensey Nash

HEERLEN, NETHERLANDS--(Marketwire - May 21, 2012) - Royal DSM (EURONEXT AMSTERDAM: DSM),
the global Life Sciences and Materials
Sciences company, announced today that its indirect wholly-owned
subsidiary,
Biomedical Acquisition Corporation, has commenced its previously announced
tender offer for all outstanding shares of common stock of Kensey Nash
(NASDAQ: KNSY) at a price of $38.50 per share (the "Offer").