Euronext: 3 Market Makers Selected For Options Crucell

Curvalue II, M&M Trading and Optrix v.o.f. will act as primary market maker (PMM) for Crucell options as from 21 September 2005. The Competitive Market Maker (CMM) will be Madron. Market makers are responsible for maintaining a market in this option class by quoting continuous two-way prices in every stock and index option listed.

On the 21 September Euronext.liffe Amsterdam will introduce American-style options on shares in Crucell NV. Each option contract relates to 100 shares in the company. The options expire on the third Friday of the month, and have lifetimes of 3, 6 and 9 months.

Crucell has been a constituent of the Amsterdam Midkap index (AMX) since March of this year.

The options can be traded on the world’s most advanced trading system, LIFFE CONNECT® trading. Transactions will be cleared via Clearing 21®, the clearing system operated by LCH.Clearnet.