Holding(s) in Company

23 November 2010

PartyGaming Plc

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

PartyGaming Plc

2. Reason for the notification:

An acquisition or disposal of voting rights: (X)

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: ( )

3. Full name of person(s) subject to the notification obligation:

Janus Capital Management LLC

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

-

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

19 November 2010

6. Date on which issuer notified:

22 November 2010

7. Threshold(s) that is/are crossed or reached:

4%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

GI000AOMV757

Situation previous to the triggering transaction

Number of Shares

15,858,398

Number of Voting Rights

15,858,398

Resulting situation after the triggering transaction

Number of shares

Direct

18,311,811

Number of voting rights

Direct

18,311,811

Number of voting rights

Indirect

-

% of voting rights

Direct

4.48%

% of voting rights

Indirect

-

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

-

Expiration date

-

Exercise/ Conversion period

-

Number of voting rights that may be acquired if the instrument is exercised/ converted.

-

% of voting rights

-

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

-

Exercise Price

-

Expiration date

-

Exercise/ Conversion period

-

Number of voting rights instrument refers to

-

% of voting rights

Nominal

-

Delta

-

Total (A+B+C)

Number of voting rights

18,311,811

% of voting rights

4.48%

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

-

Proxy Voting:

10. Name of the proxy holder:

Janus Capital Management LLC

11. Number of voting rights proxy holder will acquire:

-

12. Date on which proxy holder will acquire voting rights:

-

13. Additional information:

-

14. Contact name:

Robert Hoskin - Company Secretary, PartyGaming Plc

15. Contact telephone number:

+350 200 78700