Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached:

Nanoco Group Plc

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

An acquisition or disposal of voting rights

X

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

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

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

FIL Limited

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

See section 9

5. Date of the transaction and date onwhich the threshold is crossed orreached:

25 January 2013

6. Date on which issuer notified:

28 January 2013

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

5%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights

Indirect

Direct

Indirect

Direct

Indirect

GB00B01JLR99

11,090,637

11,090,637

9,951,557

9,951,557

4.76

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/Conversion Period

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date

Exercise/Conversion period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

9,951,557

4.76

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

Sum of Factored Shares Held

Custodian

Advisor

Total

JP MORGAN, BOURNEMOUTH (C)

FILUK-FIL INVESTMENT SERVICES (UK) LIMITED

9,951,557

Grand Total

9,951,557

Proxy Voting:

10. Name of the proxy holder:

FIL Limited

11. Number of voting rights proxy holder will dispose:

1,139,080

12. Date on which proxy holder will dispose voting rights:

25 January 2013

13. Additional information:

None

14. Contact name:

Shelley Muller

15. Contact telephone number:

[email protected], 01737 834 624