NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART IN, IN OR INTO OR FROM ANY JURISDICTION WHERE TO DO THE SAME WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OF SUCH JURISDICTION London, 16 October 2008 BTG PLC ("BTG") and PROTHERICS PLC ("PROTHERICS") Offer update - Intended date of posting of Offer Documents Further to the announcement of the recommended all share offer by BTG for Protherics on 18 September 2008 (the "Recommended Offer"), the board of BTG and the Independent Directors of Protherics hereby announce that the Scheme Document relating to the Recommended Offer will be sent to Protherics Shareholders on 17 October 2008, together with a copy of the BTG Prospectus relating to the New BTG Shares to be issued in connection with the Recommended Offer. At the same time, BTG will send a copy of the BTG Prospectus and the BTG Circular to BTG Shareholders. Capitalised terms used but not defined in this announcement have the same meanings as set out in the announcement dated 18 September 2008 referred to above. Enquiries BTG Christine Soden, Chief Financial Officer Tel: 020 7575 0000 Andy Burrows, Director of Investor Relations Protherics Andrew Heath, Chief Executive Officer Tel: 020 7246 9950 Rolf Soderstrom, Chief Financial Officer Rothschild (financial adviser to BTG) Dr Lynn Drummond Tel: 020 7280 5000 Jefferies (financial adviser to Protherics) Ian Crosbie Tel: 020 7029 8000 Chris Snoxall (corporate broking) Piper Jaffray (joint broker and advisor to BTG) Neil Mackison / Jamie Adams Tel: 020 3142 8700 Credit Suisse (joint broker and advisor to BTG) Stephanie Leouzon / Tristan Lovegrove Tel: 020 7888 8000 Nomura Code Securities (broker to Protherics) Chris Collins Tel: 020 7776 1200 Financial Dynamics Ben Atwell Tel: 020 7831 3113 Rothschild, which is authorised and regulated in the UK by the Financial Services Authority, is acting as financial adviser and sponsor to BTG in connection with the Recommended Offer and no-one else and will not be responsible to anyone other than BTG for providing the protections afforded to clients of Rothschild nor for providing advice in relation to the Recommended Offer nor any other matter referred to in this announcement. Jefferies, which is authorised and regulated in the UK by the Financial Services Authority, is acting as financial adviser and broker to Protherics in connection with the Recommended Offer and no-one else and will not be responsible to anyone other than Protherics for providing the protections afforded to clients of Jefferies nor for providing advice in relation to the Recommended Offer nor any other matter referred to in this announcement. This information is provided by RNS The company news service from the London Stock Exchange END
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