REG-Mondi PLC: Holding(s) in Company

Mondi Limited

(Incorporated in the Republic of South Africa)

(Registration number: 1967/013038/06)

JSE share code: MND ISIN: ZAE000097051

Mondi plc

(Incorporated in England and Wales)

(Registration number: 6209386)

JSE share code: MNP ISIN: GB00B1CRLC47

LSE share code: MNDI

Notification of Major Interests in Shares

As part of the dual listed company structure, Mondi Limited and Mondi plc
notify both the JSE Limited and the London Stock Exchange of matters required
to be disclosed under the JSE Listings Requirements and/or the Disclosure and
Transparency Rules of the United Kingdom Listing Authority.

Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Mondi plc

Reason for notification

Acquisition or disposal of voting rights

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

Sanlam Investment Management (Pty) Limited

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

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

31 March 2010

Date on which issuer notified:

6 April 2010

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

Above 3%

Notified details:

A: Voting rights attached to shares

Class/type of Situation previous to Resulting situation after the triggering
shares if the triggering transaction
possible using transaction
the ISIN Code

No. of No. of voting No. of No. of voting % of voting
shares rights shares rights rights

Direct Indirect Direct Indirect

Indirect

GB00B1CRLC47 10,936,128 More
than
3%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

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

N/A N/A N/A N/A N/A

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

Resulting situation after the triggering transaction

Type of Exercise Expiration Exercise/ Number of voting % of
financial Price date Conversion rights instrument voting
instrument Period refers to rights

N/A N/A N/A N/A N/A N/A

Total (A+B+C)

Number of voting rights % of voting rights

More than 3%
10,936,128

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

N/A

Proxy Voting:

Name of the proxy holder:

N/A

Number of voting rights proxy holder will cease to hold:

N/A

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

N/A

Additional information:

N/A

Contact name:

Graham Fenwick

Contact telephone number:

+44 (0) 1932 826369

END