Blocklisting Interim Review

Name of applicant:

SDL PLC

Name of scheme:

SDL Approved Share Option Scheme (1999)

Period of return:

From:

1 July 10

To:

31 Dec 10

Balance under scheme from previous return:

373,476

The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

0

Number of securities issued/allotted under scheme during period:

44,575

Balance under scheme not yet issued/allotted at end of period

328,901

Number and class of securities originally listed and the date of admission

1,020,848 on 10 Dec 99

660,000 on 18 Jul 06

215,409 on 16 Jun 08

Name of scheme:

SDL Unapproved Share Option Scheme (1999)

Period of return:

From:

1 July 10

To:

31 Dec 10

Balance under scheme from previous return:

508,486

The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

0

Number of securities issued/allotted under scheme during period:

145,342

Balance under scheme not yet issued/allotted at end of period

363,144

Number and class of securities originally listed and the date of admission

2,505,719 on 10 Dec 99

1,620,000 on 18 Jul 06

500,000 on 25 Jun 10

Name of scheme:

SDL plc 2006 Long Term Incentive Plan

Period of return:

From:

1 July 10

To:

31 Dec 10

Balance under scheme from previous return:

11,860

The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

0

Number of securities issued/allotted under scheme during period:

0

Balance under scheme not yet issued/allotted at end of period

11,860

Number and class of securities originally listed and the date of admission

712,884 on 5 Aug 09

300,000 on 1 Apr 10

Total number of securities in issue at the end of the period

78,008,856

Name of contact:

Pamela Pickering

Address of contact:

Globe House, Maidenhead

Telephone number of contact:

01628 417241