Blocklisting Interim Review

Name of applicant:

Dialight plc

Name of scheme:

The Dialight Performance Share Plan

Period of return:

From:

20 November 2009

To:

20 May 2010

Balance of unallotted securities under scheme(s) from previous return:

22,500

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

Nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

22,500

Name of contact:

Nick Giles, Company Secretary

Telephone number of contact:

01638 778641