Chesnara Regulatory News (CSN)

2 Feb 2011 16:17

For filings with the FSA include the annex For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuer of existing

Chesnara plc

shares to which voting rights are attached:ii

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of qualifying financial instruments which may result No in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to No qualifying financial instruments An event changing the breakdown of voting rights

No Other (please specify): No 3. Full name of person(s) subject to the notification Ameriprise Financial, Inc. obligation:iii and its group. 4. Full name of shareholder(s) (if different from 3.):iv See additional information under 13

5. Date of the transaction and date on which the threshold 01

February 2011 is crossed or reached: v

6. Date on which issuer notified: 02

February 2011

7. Threshold(s) that is/are crossed or reached: vi, vii Below the threshold of 11% 8. Notified details:A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation after shares to the triggering the triggering transaction transaction if possible using Number Number Number Number of % of voting the ISIN CODE of of of shares voting rights x Shares Voting rights Rights Direct Direct Indirect Direct Indirect xi xii GB00B00FPT80 12,642,746 12,642,746 0 0 12,590,725 0.000% 10.963%

B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of

voting % of voting

instrument date xiii Conversion Period xiv rights that may be rights acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction Type of financial Exercise Expiration Exercise/ Number of voting % of voting instrument price date xvii Conversion rights instrument rights xix, xx period xviii refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 12,590,725 10.963%

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

Ameriprise Financial, Inc. which through intermediate holding companies

controls the voting rights of Columbia Management Investment Advisers, Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and

Threadneedle Asset Management Holdings Ltd, which itself controls the voting

rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd. 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: Registered Owner State Street Nominees Ltd A/c XC7N 1,365,654 Williams & Glyns (Isle of Man) Nominees Ltd A/c 301780 210,000 Littledown Nominees Ltd A/c 03449 1,965,000 Littledown Nominees Ltd A/c 10479 3,928 Littledown Nominees Ltd A/c 18667 750,000 Littledown Nominees Ltd A/c 10496 3,911,143 Littledown Nominees Ltd A/c 10495 4,385,000 14. Contact name: Stacey Dryburgh, Threadneedle Group 15. Contact telephone number: +44 (0)

1793 363 751