2nd Apr 2012 09:15
For filings with the FSA include the annex For filings with issuer exclude the annex TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi
1. Identity of the issuer or the underlying SOURCE BIOSCIENCE issuer of existing shares to which voting
rights are attached: ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights x An acquisition or disposal of qualifying financial instruments which
may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to Killik & Co LLP the notification obligation: iii
4. Full name of shareholder(s) (if TDWCS LLP (on behalf of various different from 3.):iv
discretionary clients of Killik & Co LLP) 5. Date of the transaction and date 27/03/12 on which the threshold is crossed or reached: v 6. Date on which issuer notified: 28/03/12 7. Threshold(s) that is/are crossed 3% or reached: vi, vii 8. Notified details:A: Voting rights attached to shares viii, ixClass/type of Situation Resulting situation after shares previous the triggering to the triggering transaction transaction if possible using Number Number % of voting the ISIN CODE Number of Number of rights x of Voting of voting Shares Rights shares rights Direct Direct Indirect Direct Indirect xi xii ORD GBPO.02 6050000 6050000 6400000 6400000 3.14% GB0009739649 B: Qualifying Financial Instruments Resulting situation after the triggering transaction
Type of financial Expiration Exercise/ Number of voting % of voting
instrument date xiii Conversion Period rights that may be rights xiv acquired if the instrument is exercised/ converted.
C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi
Resulting situation after the triggering transaction
Type of finan Exercise Expiration Exercise/ Number of voting % of voting
cial price date xvii Conversion rights instrument rights xix, xx instrument period refers to xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 6400000 3.14%
9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi
Proxy Voting: 10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: 14. Contact name: Julie Steele 15. Contact telephone number: 0207 337 0400
XLONRelated Shares:
SBS.L