REG-Tullett Prebon PLC: Holding(s) in Company

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 issuer
of existing shares to which voting rights are Tullett Prebon plc
attached:ii

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights √

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 Aviva plc & its subsidiaries
notification obligation:
iii

Registered Holder:

BNY Norwich Union Nominees Limited 1,328,661*

Chase GA Group Nominees Limited 7,122,832*

Chase Nominees Limited 350,909*
4. Full name of
shareholder(s)
(if different from 3.): CUIM Nominee Limited 795,310
iv *

*denotes direct interest

Chase Nominees Limited 564,989

Vidacos Nominees Limited 309,696

5. Date of the
transaction and date on
which the threshold is 09 July 2009
crossed or
reached: v

6. Date on which issuer 10 July 2009
notified:

7. Threshold(s) that is/
are crossed or >5% to <5% Change at Combined Interest Level
reached: vi, vii

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type Situation previous Resulting situation after the triggering transaction
of to the triggering
shares transaction

if possible Number Number Number Number of voting % of voting rights x
using of of of shares rights
the ISIN Shares Voting
CODE Rights Direct Direct xi Indirect Direct Indirect
xii

Ordinary
Shares

14,765,135 14,765,135 9,597,712 9,597,712 874,685 4.46% 0.40%
GB00B1H0DZ51

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Exercise/ Number of voting % of voting
financial date xiii Conversion Period rights that may be rights
instrument 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 Exercise price Expiration Exercise/ Number of voting rights % of voting rights
financial date xvii Conversion instrument refers to xix, xx
instrument period
xviii

Nominal Delta

Total (A+B+C)

Number of voting rights Percentage of voting rights

10,472,397 4.86%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi

The voting rights are managed and controlled by Aviva Investors Global Services
Limited, with the following chain of controlled undertakings:-

Aviva Investors Global Services Limited:
Aviva plc (Parent Company)
Aviva Group Holdings Limited (wholly owned subsidiary of Aviva plc)
Aviva Investors Holdings Limited (wholly owned subsidiary of Aviva Group
Holdings Limited)
Aviva Investors Global Services Limited (wholly owned subsidiary of Aviva
Investors Holdings Limited)

Proxy Voting:

10. Name of the proxy holder: See Section 4

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: Figures are based on a total number of voting rights of
215,313,584.

14. Contact name: Neil Whittaker

15. Contact telephone number: 01603 684420

END