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:
(X)

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):
( )


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  170,805*

Chase GA Group Nominees Limited  479,031*

Chase Nominees Limited     33,123*

CUIM Nominee Limited     156,155*

Vidacos Nominees Limited    194,883

*denotes direct interest

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

24 July 2008


6. Date on which issuer notified:

28 July 2008


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

5% to 4% 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	1,241,597	1,241,597

Resulting situation after the triggering transaction

Number of shares	Number of voting rights		% of voting rights
Direct	Direct	Indirect	Direct	Indirect
839,114	839,114	194,883	3.89%	0.90%

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

Total (A+B):

Number of voting rights	% of voting rights
1,033,997	4.79%

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 21,599,109.
Please note that the shares held are the UK listing.


14. Contact name:

Neil Whittaker


15. Contact telephone number:

00 44 1603 684420

END