Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Cenkos Securities Plc

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): Change in the issued share capital of the Company following a Share Buyback

X

3. Full name of person(s) subject to thenotification obligation: iii

Invesco Limited

4. Full name of shareholder(s)  (if different from 3.):iv

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

12 December 2012

6. Date on which issuer notified:

19 December 2012

7. Threshold(s) that is/are crossed orreached: vi, vii

From 16% to 17%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB000B1FLHR0

11,113,869

11,113,869

11,113,869

17.41%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

11,113,869

17.41%

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

Invesco Asset management Limited - 1,502,101

Invesco Fund Managers Limited - 9,611,768

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

12. Date on which proxy holder will cease to holdvoting rights:

N/A

13. Additional information:

Following the 2,123,211 ordinary shares that on 12 December 2012 had been purchased by the Company for cancellation the issued share capital of the Company decreased from 65,971,170 shares to 63,847,959 shares The issued share capital consists of 61,163,717 Ordinary shares of 1 penny each which are admitted to trading on AIM, and 2,684,242 B shares of 1 penny each which are not admitted to trading on AIM. All shares have equal voting rights.

As a result of this purchase for cancellation Invesco Limited's holding has increased from 16.85% to 17.41%.

14. Contact name:

Stephen Doherty

Cenkos Securities Plc

15. Contact telephone number:

020 7397 8911