Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

AVEVA Group Plc

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

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

Other (please specify):

Voluntary baseline disclosure in line with the UK implementation of the Amended Transparency Directive

X

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

Ameriprise Financial, Inc. and its group

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

Nortrust Nominees LTD

Vidacos Nominees Ltd

Bank Lombard Odier & Co Ltd

HSBC Global Custody Nominee (UK) Limited

State Street Bank & Trust Boston

Securities Services Nominees Limited

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

N/A - Voluntary baseline disclosure in line with the UK implementation of the Amended Transparency Directive

6. Date on which issuer notified:

27 November 2015

7. Threshold(s) that is/are crossed orreached: vi, vii

Voluntary baseline disclosure in line with the UK implementation of the Amended Transparency Directive

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB00BBG9VN75

3,224,195

3,224,195

76,396

76,396

3,373,918

0.119%

5.276%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

3,450,314

5.395%%

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

Threadneedle Asset Management Limited (5.395%)

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:

11. Number of voting rights proxy holder will ceaseto hold:

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

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:

Jo Payne

15. Contact telephone number:

01223 556723