Holding(s) in Company

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

SDL Plc

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:

F&C Asset Management Plc

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

All Clients of F&C Asset Management Plc Shareholdings less than 3%

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

22/10/2008

6. Date on which issuer notified:

23/10/2008

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 

Resulting situation after the triggering transaction

Number of Shares 

Number of Voting Rights 

Number of shares 

Number of voting rights 

% of voting rights

Direct

Direct

Indirect 

Direct

Indirect

GB0009376368

3,877,887

3,877,887

3,694,434

-

3,694,434

-

4.88%

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

-

Total (A+B)

Number of voting rights

% of voting rights

3,694,434

4.88

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

Proxy Voting:

10. Name of the proxy holder:

F&C Asset Management Plc

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

n/a

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

n/a

13. Additional information:

-

14. Contact name:

John Hunter, SDL PLC

15. Contact telephone number:

01628 417241