SDL.L Regulatory News (SDL)

1 March 2012

SDL plc (the "Company")

Blocklisting Application

Application has been made to the UK Listing Authority and the London Stock Exchange for admission to (i) the Official List and (ii) to trading on the London Stock Exchange's markets for a blocklisting of securities in respect of 1,267,170 Ordinary Shares of 1p each ("New Ordinary Shares").

The New Ordinary Shares, which will rank pari passu in all respects with the existing ordinary shares in issue, will be issued from time to time, pursuant to the exercise of options under certain Company share option schemes and will be allocated as follows:

It is expected that admission will become effective on 2 March 2012.

Enquiries:

Pamela Pickering, Company Secretary

Telephone number: 01628 417 241