Notification of Major Interest in Shares

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

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

x

Other (please specify):

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

The Goldman Sachs Group, Inc.

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

Goldman Sachs International

Goldman, Sachs & Co.

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

31 January 2017

6. Date on which issuer notified:

02 February 2017

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

N/A

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

Direct

Direct

Indirect

Direct

Indirect

GB00B01JLR99

109

109

5,440,107

2.28%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period

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

% of votingrights

Stock Loan (Physical)

Open

2,419,131

1.02%

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

7,859,238

3.30%

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

-----------------The Goldman Sachs Group, Inc.; 7,859,238 shares; 3.30%

The Goldman, Sachs & Co. L.L.C. (Controlled by The Goldman Sachs Group, Inc.); 7,520,953 shares; 3.16%

Goldman, Sachs & Co. (Controlled by Goldman, Sachs & Co. L.L.C.); 7,520,953 shares; 3.16%

Goldman Sachs (UK) L.L.C. (Controlled by The Goldman Sachs Group, Inc.);

Goldman Sachs Group UK Limited (Controlled by Goldman Sachs (UK) L.L.C.);

Goldman Sachs International (Controlled by Goldman Sachs Group UK Limited);

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

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

N/A

13. Additional information:

Please note, total amount of voting rights have been rounded to 2 decimal places therefore there is a possibility of a rounding error.

General email contact:

[email protected]

14. Contact name:

Joanna Foley

15. Contact telephone number:

+44 207 051 9996