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

BG 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

JPMorgan Chase & Co.

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

J.P. Morgan Securities Plc

J.P. Morgan Securities LLC

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

02 February 2016

6. Date on which issuer notified:

04 February 2016

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

5% Upwards

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

GB0008762899

Below minimum threshold

Below minimum threshold

121,869,673

3.57%

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

Right of Recall

Physically-settled Call Option

18/03/2016

18/03/2016

8,962,686

2,050,000

0.26%

0.06%

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate xvii

Exercise/Conversionperiod xviii

Number of votingrights instrumentrefers to

% of voting rights xix, xx

Nominal

Delta

Cash-settled Call Option

10.06

08/02/2016

08/02/2016

41,943

0.00%

Cash-settled Future

8.00

18/03/2016

18/03/2016

7,006

0.00%

Physically-settled Put Option

19/02/2016

19/02/2016

1,500,000

0.04%

Cash-settled Equity Swap

05/02/2016

05/02/2016

3,942,550

0.12%

Cash-settled Equity Swap

08/02/2016

08/02/2016

1,643,315

0.05%

Cash-settled Equity Swap

10/02/2016

10/02/2016

1,039,200

0.03%

Cash-settled Equity Swap

12/02/2016

12/02/2016

11,882,673

0.35%

Cash-settled Equity Swap

22/02/2016

22/02/2016

14,478,342

0.42%

Cash-settled Equity Swap

23/02/2016

23/02/2016

13,244,836

0.39%

Cash-settled Equity Swap

29/03/2016

29/03/2016

195,484

0.01%

Cash-settled Equity Swap

30/08/2016

30/08/2016

10,338

0.00%

Cash-settled Equity Swap

05/09/2016

05/09/2016

41,357

0.00%

Cash-settled Equity Swap

07/10/2016

07/10/2016

41,600

0.00%

Cash-settled Equity Swap

14/11/2016

14/11/2016

16,271

0.00%

Cash-settled Equity Swap

12/12/2016

12/12/2016

22,323

0.00%

Cash-settled Equity Swap

01/03/2017

01/03/2017

65,605

0.00%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

181,055,202

5.30%

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

Total disclosable holding for JPMorgan Chase & Co. : 181,055,202 (5.30%)

Direct: J.P. Morgan Securities Plc: 121,869,672 (3.57%) Shares, 11,012,686 (0.32%) Qualifying Financial Instruments, 48,172,843 (1.41%) Financial Instruments with similar economic effect to Qualifying Financial Instruments.

Direct: J.P. Morgan Securities LLC.

Chain of control:

JPMorgan Chase & Co.

JPMorgan Chase Bank, National Association (100%)

J.P. Morgan International Inc. (100%)

Bank One International Holdings Corporation (100%)

J.P. Morgan International Finance Limited (100%)

J.P. Morgan Capital Holdings Limited (100%)

J.P. Morgan Chase (UK) Holdings Limited (99.99%)

J.P. Morgan Chase International Holdings (100%)

J.P. Morgan Securities plc (99.41%)

JPMorgan Chase & Co.

J.P. Morgan Broker - Dealer Holdings Inc. (100%)

J.P. Morgan Securities LLC (100%)

Proxy Voting:

10. Name of the proxy holder:

N/A

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

N/A

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

N/A

13. Additional information:

Table 8A) Includes stock borrows of 63,118,759 (1.85%)

14. Contact name:

Tung T Le

15. Contact telephone number:

0207 742 7272