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.

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

Mondi plc

2. Reason for notification (yes/no)

Acquisition or disposal of voting rights

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

NWQ Holdings, LLC

Nuveen Investments, Inc

Windy City Investments, Inc

Windy City Investments Holdings, LLC

MDCP Holdco (Windy), LLC

Madison Dearborn Capital Partners V-A, L.P.

Madison Dearborn Capital Partners V-C, L.P.

Madison Dearborn Capital Partners V Executive-A, L.P.

Madison Dearborn Partners V-A&C, L.P.

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

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

10 June 2009

6. Date on which issuer notified:

15 June 2009

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

3%

8. Notified details:

A: Voting rights attached to shares

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

No. of No. of No. of No. of voting % Voting
shares voting shares rights rights
rights
Indirect Indirect

GB00B1CRLC47 N/A N/A 15,414,174 15,414,174 4.20%

B: Financial Instruments

Resulting situation after the triggering transaction

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

Total (A+B)

Number of voting rights % of voting rights

15,414,174 4.20%

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

The voting rights are held by Tradewinds Global Investors, LLC which is
controlled by NWQ Holdings, LLC, which is in turn controlled by Nuveen
Investments, Inc, which is in turn controlled by Windy City Investments, Inc.,
which is in turn controlled by Windy City Investments Holdings, L.L.C., which
is in turn controlled by MDCP Holdco (Windy), LLC, which is in turn controlled
by Madison Dearborn Partners V-A&C, L.P. through its management of various
private equity funds: Madison Dearborn Capital Partners V-A, L.P., Madison
Dearborn Capital Partners V-C, L.P., and Madison Dearborn Capital Partners V
Executive-A, L.P.

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:

14. Contact name:

Jenny Peterkin

15. Contact telephone number:

01932 826368

END