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

X

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:

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:

22 December 2016

6. Date on which issuer notified:

28 December 2016

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

Below 4%

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

0

0

109

0.00005%

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

Stock Loan (Physical)

Open

7,909,153

3.32%

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

7,909,262

3.32%

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

The Goldman Sachs Group, Inc.; 7,909,262 shares; 3.32%

The Goldman, Sachs & Co. L.L.C. (Controlled by The Goldman Sachs Group, Inc.); 7,561,059 shares; 3.17%

Goldman, Sachs & Co. (Controlled by Goldman, Sachs & Co. L.L.C.); 7,561,059 shares; 3.17%

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:

Peter Chisholm

15. Contact telephone number:

+44 207 051 9612