Date & Time (GMT): 12/05/2008  08:23 Share Bid Ask Mid (+/-) % High Low Volume CBF 10.00 14.00 12.00 0.00 0.00  11.00 11.00 2,000

--> Period today 5 days 10 days 2 weeks 1 month 3 months 6 months YTD 1 year 2 years 3 years 4 years 5 years Graph line bar mountain % Daily Change Compare to FTSE AIM

Share Data Currency GBX Previous Close 12.00 52 weeks High 45.25 52 weeks Low 11.75 52 weeks % -72.42 YTD % -53.85 Market Data Market London Symbol CBF List AIM Industry Biotechnology Number of Shares (mil) 19.59 Market Cap (GBP mil) 2.35

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