1.

Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached

CELOXICA HOLDINGS PLC

2.

Reason for the notification (please tick the appropriate box or boxes)

An acquisition or disposal of voting rights

(   )

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

(   )

An event changing the breakdown of voting rights

(   )

Other (specify):

Acquisition of shares and amendment to issued share capital following placing

(X)

3.

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

Esprit Capital I Fund No 1 LP,
Esprit Capital I Fund No 2 LP

4.

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

Esprit Nominees Ltd

5.

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

2 February 2007

6.

Date on which issuer notified:

16 February 2007

7.

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

8.

Notified details:

Acquisition of 625,000 new ordinary shares

Class/type of shares (if possible using the ISIN code)

Ordinary (GB00B0L9TZ33)

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

8,600,555

8,600,555

9,225,555

9,225,555

13.12%

Type of financial instrument

Expiration date

Exercise/Conversion Period/Date

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

% of voting rights

% of voting rights

9,225,555

13.12%

9.

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

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:

14:

Contact name:

Mr Peter Keen

15.

Contact telephone number:

01223 307 770

Full name (including legal form for legal entities):

Esprit Capital I Fund No 1 LP,
Esprit Capital I Fund No 2 LP

Contact address (registered office for legal entities)

See below

Phone number

See below

Other useful information (at least legal representative for legal persons):

Full name:

Esprit Capital Partners LLP (as manager of EC I Fund No 1 LP and EC I Fund No 2 LP)

Contact address:

Sycamore Studios, New Road, Over, Cambridge, CB4 5PJ

Phone number:

01223 307 770

Other useful information (at least legal relationship with the person or legal entity subject to the notification obligation):