RNS Number:4293I
SDL PLC
07 March 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1) Name of company

SDL plc

2) Name of shareholder having a major interest

Herald Investment Trust plc


3) Please state whether notification indicates that it is in respect of
holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18

As above

4) Name of the registered holder(s) and, if more than one holder, the
number of shares held by each of them


BNY (OCS) Nominees Limited HIT Account


5) Number of shares/amount of stock acquired

300,000


6) Percentage of issued class

0.6%


7) Number of shares/amount of stock disposed

N/a

8) Percentage of issued class

N/a

9) Class of security

Ordinary 1p Shares

10) Date of transaction

5 March 2003


11) Date company informed

6 March 2003

12) Total holding following this notification

5,000,000

13) Total percentage holding of issued class following this notification

9.2%

14) Any additional information



15) Name of contact and telephone number for queries

John Adams (01628 417218)

16) Name and signature of authorised company official responsible for
making this notification

John Adams, Company Secretary


Date of notification 7 March 2003



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