24th Oct 2007 14:00
UBS AG24 October 2007 FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATIONName of person dealing (Note 1) UBS AG London Branch Company dealt in Premier Research Group Plc Class of relevant security to which the dealings 1p ordinarybeing disclosed relate (Note 2) Date of dealing 23 OCTOBER 2007 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevantsecurity dealt in (Note 3) Long Short Number (%) Number (%)(1) Relevant securities 2,260,000 3.76% 40,410 0.07%(2) Derivatives (other than options)(3) Options and agreements to purchase/sellTotal 2,260,000 3.76% 40,410 0.07% (b) Interests and short positions in relevant securities of the company, otherthan the class dealt in (Note 3) Class of relevant security: Long Short Number (%) Number (%)(1) Relevant securities(2) Derivatives (other than options)(3) Options and agreements to purchase/sellTotal (c) Rights to subscribe (Note 3) Class of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of securities Price per unit (Note 5) SALE 1557 211.75 pence SALE 369 212 SALE 1926 212.25 SALE 803 213.75 SALE 142 213.75 SALE 356 213.75 SALE 903 214 TOTAL SALES 6,056 (b) Derivatives transactions (other than options) Product name, Long/short (Note Number of securities Price per unit e.g. CFD 6) (Note 7) (Note 5) (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product Writing, Number of Exercise Type, e.g. Expiry Optionname,e.g. selling, securities price American, date money paid/ call purchasing, to which the European received option varying etc. option etc. per unit relates (Note 5) (Note 7) (ii) ExercisingProduct name, e.g. Number of securities Exercise price per unit (Note 5)call option (d) Other dealings (including new securities) (Note 4) Nature of transaction (Note 8) Details Price per unit (if applicable) (Note 5) 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the persondisclosing and any other person relating to the voting rights of any relevantsecurities under any option referred to on this form or relating to the votingrights or future acquisition or disposal of any relevant securities to which anyderivative referred to on this form is referenced. If none, this should bestated. .............................................................................. .............................................................................. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 24 OCTOBER 2007 Contact name NIMISHA SACHDEV Telephone number 020 7568 9289 If a connected EFM, name of offeree/offeror with N/Awhich connectedIf a connected EFM, state nature of connection N/A(Note 10) This information is provided by RNS The company news service from the London Stock ExchangeRelated Shares:
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