Holding(s) in Company

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:

NORTHBRIDGE INDUSTRIAL SERVICES PLC

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

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

X

Other (please specify):

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

WESTERN SELECTION PLC

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

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

23 JULY 2010

6. Date on which issuer notified:

26 JULY 2010

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

20% to 16%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

Number of shares

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary Shares

GB00B0SPFW38

1,875,000

1,875,000

2,200,000

2,200,000

15.12%

B: Qualifying 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

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/date

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

Percentage of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

2,200,000

15.12%

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:

11. Number of voting rights proxy holder will cease to hold:

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

13. Additional information:

14 Contact name:

Mark Hodgson

15. Contact telephone name:

020 7448 8950