RNS Number:8614U
SQS Software Quality Systems AG
13 April 2007


Holding in Company


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

SQS Software Quality Systems AG


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

An acquisition or disposal of voting rights:

( )

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

( )

An event changing the breakdown of voting rights:

( )

Other (please specify):Change to the number of voting rights in issue

( x )


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

Aviva plc & its subsidiaries


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

BNY Norwich Union Nominees Limited	338,548*
Chase GA Nominees Limited	920,832*
Chase Nominees Limited	65,430*
CUIM Nominee Limited	330,047*
Vidacos Nominees Limited	333,300
*denotes direct interest

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

n/a


6. Date on which issuer notified:

11 April 2007


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

11% to 10% Change at Combined Interest level


8. Notified details:

A: Voting rights attached to shares

Class/type of shares	Situation previous to the triggering transaction
	Number of Shares	Number of Voting Rights
DE0005493514	1,988,157	1,988,157

Resulting situation after the triggering transaction
Number of shares	Number of voting rights		% of voting rights
Direct	Direct	Indirect	Direct	Indirect
1,654,857	1,654,857	333,300	8.86%	1.78%

B: Financial Instruments

Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise / conversion period / date	Number of voting rights that may be acquired if the instrument is exercised / converted	% of voting rights
n/a	n/a	n/a	n/a	n/a

Total (A+B):

Number of voting rights	% of voting rights
1,988,157	10.64%

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

See Section 4

Proxy Voting:


10. Name of the proxy holder:

See Section 4


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:

Figures are based on a revised total number of voting rights of 18,690,823 following the recent placing.


14. Contact name:

Neil Whittaker


15. Contact telephone number:

00 44 1603 684420

Annex Notification Of Major Interests In Shares


A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities):

Contact address (registered office for legal entities):

Phone number:

Other useful information (at least legal representative for legal persons):


B: Identity of the notifier, if applicable

Full name:

Contact address:

Phone number:

Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation):


C: Additional information

This information is provided by RNS
The company news service from the London Stock Exchange

END