TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

DS Smith Plc

2. Reason for the notification:

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 the notification obligation (iii):

    Ameriprise Financial, Inc. and its group

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

BNP Paribas Nominees Pty Limited

Chase Nominees Ltd

HSBC Global Custody Nominee (UK) Limited

Nortrust Nominees LTD

Roy Nominees

State Street Nominees Limited

The Bank Of New York ( Nominees ) Limited

Vidacos Nominees Ltd

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

8 August 2016

6. Date on which issuer notified:

    10 August 2016

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

Above the threshold of 5%

8. Notified details:

A: Voting rights attached to shares

Resulting situation after the triggering transaction (vii)

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

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

Resulting situation after the triggering transaction (xii)

Total (A+B+C)

9.    Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable ^(xv):

Threadneedle Asset Management Limited (4.348%)

Columbia Management Investment Advisers, LLC (0.009%)

Columbia Wanger Asset Management, LLC (0.710%)

Columbia Wanger Asset Management, LLC is wholly owned by Columbia Management Investment Advisers, LLC, which is itself wholly owned by Ameriprise Financial, Inc.

Threadneedle Asset Management Limited is wholly owned by TC Financing Limited, which is itself wholly owned by Threadneedle Asset Management Holdings Limited, which is itself wholly owned by TAM UK Holdings Limited, which is itself wholly owned by Threadneedle Holdings Limited,  which is itself wholly owned by Threadneedle Asset Management Holdings SARL, which is itself wholly owned by Ameriprise International Holdings GmbH, which is itself wholly owned by Ameriprise Financial, Inc.

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:

The Shares referred to in section 9 of this form are held in portfolios and funds managed on a discretionary basis by the entities set out in section 9.

Please note that the Shares are held through certain nominee companies.

14. Contact name:
      Mark Powney, Threadneedle asset Management Ltd.

15. Contact telephone number:
      +44 (0) 1793 363 135

Identity of the notifier, if applicable (xvii)

Full name:

Iain Simm

Contact address:

DS Smith Plc, 7^th Floor, 350 Euston Road, London NW1 3AX

Phone number:

020 7756 1800