Plethora Solutions Holdings Plc Regulatory News (PLE)

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

Plethora Solutions Holdings PLC

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

An acquisition or disposal of voting rights

(Increase in shares due to participation in recent placing December 2010)

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 thenotification obligation: iii

J. M. FINN & CO. LTD

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

J. M. FINN NOMINEES LTD

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

22nd December 2010

6. Date on which issuer notified:

22nd December 2010

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

5%

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

ORD GBP 0.01 ISIN:

GB00B06GL868

1,270,000

1,270,000

2,745,294

2,745,294

5.05%

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

2,745,294

5.05%

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

Proxy Voting:

10. Name of the proxy holder:

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

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

13. Additional information:

14. Contact name:

15. Contact telephone number:

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)

J. M. FINN & CO. LTD.

Contact address

(registered office for legal entities)

4 COLEMAN STREET, LONDON, EC2R 5TA

Phone number & email

0203 207 3323

Other useful information

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

James Kelly

Contact address

4 COLEMAN STREET, LONDON, EC2R 5TA

Phone number & email

0203 207 3323 - james.kelly@jmfinn.com

Other useful information

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

COMPLIANCE EXECUTIVE

C: Additional information