RNS Number : 8872V
Dialight PLC
18 January 2013

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

Dialight Plc

2. Reason for the notification:

An acquisition or disposal of voting rights.

3. Full name of person(s) subject to the notification obligation:

BlackRock, Inc.

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

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

16th January 2013

6. Date on which issuer notified:

17th January 2013

7. Threshold(s) that is/are crossed or reached:

Holding has gone below 11%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

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

GB0033057794

3,695,374

3,695,374

n/a

n/a

3,402,820

n/a

10.58%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/Conversion Period/Date

Number of voting rights that my be acquired if the instrument is exercised/converted

% of voting rights






C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Type of financial instrument

Exercise Price

Expiration Date

Exercise/Conversion Period/Date

Number of Voting Rights Instrument Refers to

% of voting rights






Nominal

Delta

CFD




100,000

0.31%

0.31%

Total (A B C)

Number of voting rights

% of voting rights

3,502,820

10.58%

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

BlackRock Investment Management (UK) Limited - 3,502,820 (10.58%)

10. Name of the proxy holder:

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

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

13. Additional information:

BlackRock Regulatory Threshold Reporting Team

14. Contact name:

BlackRock - Andrew Manchester (020 7743 5773)

Dialight plc - Nick Giles (01638 778641)

Date: 18 December 2012



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