Leiden, The Netherlands, 29 April 2008 - Dutch biotechnology company Crucell N.V. (Euronext, NASDAQ: CRXL, Swiss Exchange: CRX) today announced a non-exclusive STAR® research license agreement with Toyobo Gene Analysis Co. LTD. Under the agreement, Toyobo Gene Analysis will evaluate Crucell's STAR® technology for generating cell lines for the production of recombinant proteins for third-party customers. Financial details of the agreement were not disclosed.