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 PLC
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 Henderson Global Investors
the notification obligation: iii
4. Full name of shareholder(s) (if
different from 3.):iv
5. Date of the transaction and date 17 July 2012
on which the threshold is crossed or
reached: v
6. Date on which issuer notified: 18 July 2012
7. Threshold(s) that is/are crossed Crossed above 11%
or reached: vi, vii
8. Notified details:
A: Voting rights attached to shares viii, ix
Class/type of Situation previous Resulting situation after
shares to the triggering the triggering
transaction transaction
if possible Number Number % of voting
using Number of Number of rights x
the ISIN CODE of Voting of voting
Shares Rights shares rights
Direct Direct Indirect Direct Indirect
xi xii
ORD GBP0.2 21,945,138 21,945,138 22,945,138 11.26%
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
22,945,138 11.26%
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: Wayne Powell
15. Contact telephone number: 0207 818 5611