Released: 23/12/2009
Holdings in Antisoma plc
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES
1. Identity of the issuer or the underlying issuer Antisoma Plc
of existing shares to which voting rights are
attached:
2. Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights Yes
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 the Legal & General Group Plc (L&G)
notification obligation:
4. Full name of shareholder(s) Legal & General Assurance (Pensions Management) Limited (PMC)
(if different from 3.):
5. Date of the transaction and date on 21 December 2009
which the threshold is crossed or
reached:
6. Date on which issuer notified: 22 December 2009
7. Threshold(s) that is/are crossed or L&G (From 4% to 3%)
reached:
7. Threshold(s) that is/are crossed or
reached:
L&G (From 4% to 3%)
8. Notified details:
A: Voting rights attached to shares
Class/type of Situation previous Resulting situation after the triggering transaction
shares to the triggering
transaction
if possible using
the ISIN CODE
Number Number Number Number of voting % of voting rights
of of of shares rights
Shares Voting
Rights
Direct Indirect Direct Indirect
Ordinary 1p 24,954,039 24,579,841 24,579,841 3.93%
(As on 16/06/2009)
B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial Expiration Exercise/ Number of voting % of voting
instrument date Conversion Period rights that may be rights
acquired if the
instrument is
exercised/ converted.
C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial Exercise price Expiration date Exercise/ Number of voting rights instrument refers to % of voting rights
instrument Conversion period
Nominal Delta
Total (A+B+C)
Number of voting rights Percentage of voting rights
24,579,841 3.93%
Delta
Total (A+B+C)
Number of voting rights
Percentage of voting rights
24,579,841
3.93%
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
Legal & General Group Plc (Direct and Indirect) (Group)
Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect)
Legal & General Investment Management Limited (Indirect) (LGIM)
Legal & General Group Plc (Direct) (L&G) ( 24,579,841 - 3.93%= LGAS, LGPL & PMC)
Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) ( 21,029,421 - 3.36%= PMC)
Legal & General Insurance Holdings Limited (Direct) (LGIH)
Legal & General Assurance (Pensions Management) Limited (PMC) ( 21,029,421- 3.36%= PMC)
Legal & General Assurance Society Limited (LGAS & LGPL)
Legal & General Pensions Limited (Direct) (LGPL)
Proxy Voting:
10. Name of the proxy holder: N/A
11. Number of voting rights proxy holder will cease N/A
to hold:
12. Date on which proxy holder will cease to hold N/A
voting rights:
13. Additional information: Notification using the total voting rights figure of 625,285,385
14. Contact name: Helen Lewis (LGIM)
15. Contact telephone number: 020 3124 3851
Proxy Voting:
10. Name of the proxy holder:
N/A
11. Number of voting rights proxy holder will cease
to hold:
N/A
12. Date on which proxy holder will cease to hold
voting rights:
N/A
13. Additional information:
Notification using the total voting rights figure of 625,285,385
14. Contact name:
Helen Lewis (LGIM)
15. Contact telephone number:
020 3124 3851
Enquiries:
Alison Saville, Senior Marketing and Communications Executive
Antisoma plc
+44 (0)20 3249 2144
HUG#1367347