Holding(s) in Company

22 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:

Steinberg Asset Management, LLC

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

Multiple portfolios of which Steinberg Asset Management, LLC is the discretionary investment manager as well as principal portfolios of Michael A. Steinberg and family. Mr. Steinberg directly and indirectly owns and controls Steinberg Asset Management, LLC and manages the client portfolios.

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

17 March 2011

6. Date on which issuer notified:

22 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

20,773,667

Number of Voting Rights

20,773,667

Resulting situation after the triggering transaction

Number of shares

Direct

389,855

Number of voting rights

Direct

389,855

Number of voting rights

Indirect

19,997,397

% of voting rights

Direct

0.10%

% of voting rights

Indirect

4.90%

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

20,387,252

% of voting rights

5.00%

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

Steinberg Asset Management, LLC ("SAM") manages equity portfolios on behalf of approximately 425 clients who delegate investment management authority to SAM through investment management agreements. The holding of 4.90% of voting rights is held across all client portfolios with no client portfolio holding more than 3% of the voting rights of the company.

Separately, Michael A. Steinberg, who directly and indirectly owns and controls SAM and manages the client portfolios retains, together with family members, economic ownership and voting control of PartyGaming Plc shares. These shares are listed in the direct category under item 8 and reflect 0.10% of the voting rights.

The combined holding of voting rights held directly by Michael A. Steinberg and indirectly in client portfolios is 5.00%.

Proxy Voting:

10. Name of the proxy holder:

Steinberg Asset Management, LLC

11. Number of voting rights proxy holder will acquire:

-

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

-

13. Additional information:

Clients delegate to SAM the authority and responsibility to vote proxies for the voting securities held in their portfolios. Where SAM has been granted the authority and accepted the responsibility for voting proxies, it will determine whether and how to do so, in the case of individual proxies, in accordance with its Proxy Voting Policy and Procedures.

14. Contact name:

Robert Hoskin - Company Secretary, PartyGaming Plc

15. Contact telephone number:

+350 200 78700