Holding(s) in Company

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

 Genus plc

2. Reason for the notification (please state 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: ( )

An event changing the breakdown of voting rights: ( )

Other (please specify) : ( )

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

Baillie Gifford & Co

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

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

08 April 2009

6. Date on which issuer notified:

09 April 2009

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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE

Situation previous to the Triggering transaction (vi)

Ordinary Share

GB0002074580

Number of shares

2976090

Number of voting Rights (viii)5.00

Resulting situation after the triggering transaction (vii)

Class/type of shares if possible  using the ISIN CODE

Number of shares 

Number of voting rights (ix)

% of voting rights

Ordinary Share

GB0002074580

Direct

3,335,587

Direct (x)

Indirect (xi)

3,335,587

Direct

Indirect

5.60

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of financial instrument

Expiration Date (xiii)

Exercise/Conversion Period/ Date (xiv)

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

Total (A+B)

Number of voting rights

% of voting rights

3,335,587

5.60

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

Baillie Gifford & Co, a discretionary investment manager, is the parent undertaking of an investment management group.

 Its wholly-owned subsidiary undertaking Baillie Gifford Overseas Limited [407614; 0.7%] is also a discretionary investment manager.

Its wholly-owned subsidiary undertaking Baillie Gifford & Co Limited [865000; 1.5%] is an OEIC Authorised Corporate Director and Unit Trust Manager which has delegated its discretionary investment management role to Baillie Gifford & Co.

Its wholly-owned subsidiary undertaking Baillie Gifford Life Limited [282504; 0.5%] is a life assurance company which procures discretionary investment management services from Baillie Gifford & Co in respect of its own account shareholdings.

Proxy Voting:

10. Name of the 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:  / Chris Hill, Baillie Gifford & Co

15. Contact telephone number:  / 0131 275 2147