Holding(s) in Company

16 March 2011

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:

Prudential Plc group of companies

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

Registered Holder Holding Undertaking

BK of NewYork (Noms) Ltd/636924 238,214 plc

Kelp 87,824 plc/Grp/IM/Ltd

Nortrust Nominee Ltd A/c MHF01 67,280 plc/Grp/Ltd

Nortrust Nominee Ltd A/c MKM01 785,239 plc/Grp/IM/Ltd

Nortrust Noms Ltd 130,637 plc/Grp/IM/Ltd

Nortrust Noms Ltd A/c MED01 1,185,000 plc//Grp/IM/Ltd

Nortrust Noms Ltd A/c MEF01 660,000 plc/Grp/IM/Ltd

Nortrust Noms Ltd A/c MXC01 337,796 plc/Grp/IM/Ltd

Nortrust Noms Ltd A/c PUI01 16,164 plc/Grp/IM/Ltd

Nortrust Noms Ltd A/c PUQ01 766,006 plc/Grp/IM/Ltd

Nortrust Noms Ltd A/c PUR01 1,633,862 plc/Grp/IM/Ltd

PRUCLT HSBC GIS Nom(UK) PAC AC 13,915,516 plc/Grp/IM/Ltd/Pru

PRUCLT HSBC GIS Nom(UK) PPL AC 336,448 plc/Grp/IM/Ltd/Pru

State Street Noms 269,700 plc/Grp/IM/Ltd

JP Morgan Nominees 13,920 plc

plc = Prudential plc; Grp = M&G Group Limited; IM = M&G Investment Management Limited; Ltd = M&G Limited; Pru = Prudential Assurance Company Limited

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

11 March 2011

6. Date on which issuer notified:

15 March 2011

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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

GI000AOMV757

Situation previous to the triggering transaction

Number of Shares

20,557,606

Number of Voting Rights

20,557,606

Resulting situation after the triggering transaction

Number of shares

Direct

20,443,606

Number of voting rights

Direct

20,159,986

Number of voting rights

Indirect

283,620

% of voting rights

Direct

4.93%

% of voting rights

Indirect

0.06%

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

20,443,606

% of voting rights

4.99%

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

Prudential plc (parent company)

M&G Group Limited (wholly owned subsidiary of Prudential plc)

M&G Limited (wholly owned subsidiary of M&G Group Limited)

M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)

The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc)

Proxy Voting:

10. Name of the proxy holder:

-

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