Holding(s) in Company

PRESS ANNOUNCEMENT

FOR IMMEDIATE RELEASE

24 NOVEMBER 2010

PENNA CONSULTING PLC

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1.

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

Penna Consulting Plc

2.

Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

No

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

No

An event changing the breakdown of voting rights

No

Other (please specify):

No

3.

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

Liontrust Investment Partners LLP

4.

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

N/A

5.

Date of transaction (and date on which the threshold is crossed or reached if different):

23 November 2010

6.

Date on which issuer notified:

24 November 2010

7.

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

5%

8.

Notified Details

A:

Voting rights attached to shares

Class/type of shares

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

If possible use ISIN code

Number of shares

Number of voting rights

Number of shares

Number of voting rights

Percentage of voting rights

Direct

Direct

Indirect

Direct

Indirect

Ordinary Shares 10p

815,595

815,595

1,375,595

1,375,595

5.36%

B:

Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

Not Applicable

Total (A+B)

Number of voting rights

Percentage of voting rights

1,375,595

5.36%

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 proxy holder:

n/a

11.

Number of voting rights proxy holder will cease to hold:

n/a

12.

Date on which proxy holder will cease to hold voting rights:

n/a

13.

Additional information:

14.

Contact name:

Martin Kearney

15.

Contact telephone name:

020 7412 1752