REG-PLUS Markets Group 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 Plus Markets Group 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 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 Deutsche Bank AG
the notification obligation: iii

4. Full name of shareholder(s) (if Deutsche Bank AG
different from 3.):iv
Abbey Life Assurance Company Limited

5. Date of the transaction and date 04/06/2009
on which the threshold is crossed or
reached: v

6. Date on which issuer notified: 05/06/2009

7. Threshold(s) that is/are crossed 5%
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 Number Number of % of voting
using of of of shares voting rights x
the ISIN CODE Shares Voting rights
Rights

Direct Direct xi Indirect Direct Indirect
xii

GB0032654641 16,974,066 16,974,066 13,606,023 13,606,023 4.30%

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 Exercise Expiration Exercise/ Number of voting % of voting
financial 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

13,606,023 4.30%

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: Paul Smith / Andrew Anderson

15. Contact telephone number: +00 44 207 545 8533 / 8532

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in sharesxxii

A: Identity of the persons or legal entity subject to the notification
obligation

Full name
(including legal form of legal
entities)

Contact address
(registered office for legal entities)

Phone number & email

Other useful information
(at least legal representative for
legal persons)

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information(e.g.
functional relationship with the person
or legal entity subject to the
notification obligation)

C: Additional information

For notes on how to complete form TR-1 please see the FSA website.

END