Share price: 108.00p

HOLDING(S) IN COMPANY

29th March 2007

Notification of major interest in shares

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

Cello Group plc

2. Reason for the notification (please state Yes/No): ( )

An acquisition or disposal of voting rights: (Yes)

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 (please specify):

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

Octopus Asset Management Nominees Limited

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

n/a

5. Date of the transaction (and date on which the threshold is crossed or

reached if different) (v):

23 March 2007

6. Date on which issuer notified:

 

29 March 2007

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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible Situation previous to the Triggering transaction(vi)

using the ISIN CODE

Number of shares Number of voting Rights (viii)

GB00B03110763 2,636,085 2,636,085

Resulting situation after the triggering transaction (vii)

Class/type of shares if Number of shares Number of voting rights (ix) % of voting rights

possible using the ISIN

CODE

Direct Direct (x) Indirect (xi) Direct Indirect

GB00B03110763 2,849,465 2,849,465 – 8.23% –

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of Expiration Date ( Exercise/Conversion Number of voting rights % of voting rights

financial xiii) Period/Date (xiv) that may be acquired if

instrument the instrument is

exercised/ converted.

Total (A+B)

Number of voting rights % of voting rights

2,849,465 8.23%

9. Chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held, if applicable (xv):

n/a

Proxy Voting:

10. Name of the proxy holder:

n/a.

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

n/a

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

n/a

13. Additional information:

14. Contact name:

Mark Bentley

Finance Director

15. Contact telephone number:

0207 812 8463

Annex to Notification Of Major Interests In Shares (xvi)

A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities):

Chris Hulatt

Contact address (registered office for legal entities):

8 Angel Court, London, EC2R 7HP

Phone number:

020 7710 2804

 

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

B: Identity of the notifier, if applicable (xvii)

Full name:

Contact address:

Phone number:

Other useful information (e.g. functional relationship with the person or legal

entity subject to the notification obligation)

 

Contact Us

Dianna Hillier

Dianna.Hillier@cellohealth.com

Phone 020 7812 8468

Address

Cello Health plc

Queens House

8-9 Queen Street

London

EC4N 1SP

Registered Office

Queens House

8-9 Queen Street

London

EC4N 1SP

Company Registered

in England no.05120150