Holding(s) in Company

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

BT Group PLC

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

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

An event changing the breakdown of voting rights

Other (please specify):

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

Invesco Limited

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

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

28 May 2014

6. Date on which issuer notified:

29 May 2014

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

Below 5%

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

Ord 5p Shares GB0030913577

778,912,816

778,912,816

389,877,293

4.92%

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

389,877,293

4.92%

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

Invesco Global Asset Management Limited - 19,239,531

Invesco Advisers Inc - 495,983

Invesco Asset Management GmbH & Invesco GT Management - 11,141,137

Invesco Asset Management Japan - 907,167

Invesco Asset Management GmbH - 2,999,706

Invesco Asset Management Limited - 55,303,970

Invesco Asset Management S.A (France) - 779,795

Invesco Austria & Invesco Asset Management GmbH - 91,404

Invesco GT Management S.A - 4,766,777

Invesco Hong Kong Limited - 1,530,392

Invesco Fund Managers Limited - 291,214,676

Invesco PowerShares Capital Management Limited - 1,269,205

ADR's 10:1 = 137,550

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:

Holdings are based on BT Groups adjusted share capital of 7,919,231,718 on 28/05/14

14. Contact name:

Anna Watch

15. Contact telephone number:

020 7356 5158