Holding(s) in Company

Reliance Security Group PLC
20 April 2006



                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Reliance Security Group plc

2. Name of shareholder having a major interest

The Goldman Sachs Group Inc.

3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

Holding of shareholder named in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Goldman Sachs Securities (Nominees) Limited           54 shares

Goldman Sachs International                      873,181 shares

5. Number of shares / amount of stock acquired

Not notified

6. Percentage of issued class


7. Number of shares / amount of stock disposed

N/A

8. Percentage of issued class


9. Class of security

Ordinary Shares

10. Date of transaction

Not notified

11. Date company informed

19 April 2006

12. Total holding following this notification

873,235

13. Total percentage holding of issued class following this notification

3.985%

14. Any additional information


15. Name of contact and telephone number for queries

Jeremy Simon 01895 205023

16. Name and signature of authorised company official responsible for making
this notification

Jeremy Simon

Date of notification

20 April 2006

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