Holding(s) in Company

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

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 (please mark as appropriate):

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: ( X )

An event changing the breakdown of voting rights: ( )

Other (please specify): ( )

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

BlackRock Inc.

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

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

4 February 2010

6. Date on which issuer notified:

5 February 2010

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

5%

8. Notified details:

A: Voting rights attached to shares (viii)(ix)

Class/type of shares if possible using the ISIN CODE	Situation previous to the triggering transaction
	Number of Shares	Number of Voting Rights
GB0008220112

Resulting situation after the triggering transaction

Class/type of shares if possible using the ISIN CODE	Number of shares	Number of voting rights		% of voting rights (x)
		Direct (xi)	Indirect (xii)	Direct	Indirect
			16,553,701		4.21%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument	Expiration date (xiii)	Exercise/Conversion Period (xiv)	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments (xv)( xvi)

Resulting situation after the triggering transaction

Type of financial instrument	Exercise price	Expiration date (xvii)	Exercise/ Conversion period (xviii)	Number of voting rights instrument refers to	% of voting rights (xix) (xx)
CFD				3,120,817	Nominal	Delta
					0.79%	0.79%

Total (A+B+C)

Number of voting rights	Percentage of voting rights
19,674,518	5.00%

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

BlackRock Investment Management (UK) Limited - 19,674,518 (5.00%)

Proxy Voting:

10. Name of the proxy holder:

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

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

13. Additional information:

BlackRock Compliance Disclosures Team

14. Contact name:

Stuart Watchorn

stuart.watchorn@blackrock.com

15. Contact telephone number:

(020) 7743 5741

Annex: Notification of major interests in shares ^(xxii)

A: Identity of the persons or legal entity subject to the notification obligation
Full name (including legal form of legal entities)
Contact address (registered office for legal entities)
Phone number & email
Other useful information (at least legal representative for legal persons)

B: Identity of the notifier, if applicable
Full name	Carolyn Cattermole
Contact address	DS Smith Plc, Beech House, Whitebrook Park, Maidenhead SL68XY
Phone number & email	01628 583400 carolyn.cattermole@dssmith.co.uk
Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information