FORM 6-K

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                          Report of Foreign Issuer


                       Pursuant to Rule 13a-16 or 15d-16
                    of the Securities Exchange Act of 1934


                           For the month of April 2007


                                 BG Group plc
                         100 Thames Valley Park Drive
                                Reading RG6 1PT
                                    ENGLAND

                   (Address of principal executive offices)


The registrant files annual reports under cover of Form 20-F.  By furnishing
the information contained in this Form the reigistrant is not also furnishing
the information to the Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934.





BG Group plc


A. Notification of Interests in Shares


BG Group Share Incentive Plan ('SIP') - Free Shares & Partnership Shares


On 27 April 2007 the  following  Executive  Directors  and  Persons  Discharging
Managerial  Responsibility  (PDMRs)  were  awarded  the  numbers of BG Group plc
Ordinary  Shares  of 10p each set out below  under  the  terms of the SIP.  As a
result of these awards the beneficial interests in the ordinary share capital of
BG Group plc have increased as shown.


                  Free Shares    Partnership Shares         Revised beneficial
                   awarded at            awarded at                interest in
            a price of 730.1p     a price of 642.7p        Ordinary 10p shares
                    per share             per share

EXECUTIVE DIRECTORS
Frank Chapman            410                    117                    436,342
William Friedrich        410                    117                    370,120
Ashley Almanza           410                    117                    177,118

PDMRS
Jorn Berget              410                    117                      1,346
Charles Bland            410                    117                    174,533
Mark Carne               410                    116                      1,032
Peter Duffy              410                    117                    103,086
Stuart Fysh              410                    116                    319,955
Martin Houston           410                      -                    268,001
Stefan Ricketts          410                    117                     33,338


Note:  The SIP is an HM Revenue & Customs  approved  all-employee  share scheme.
Under the rules of the SIP,  partnership  shares  are  awarded  to all  eligible
employees  at the lower of the market value at the  beginning  of the  six-month
accumulation period and the date the shares are acquired.


B. TRANSACTION IN OWN SHARES


BG Group plc also announces that it has today  transferred to the Trustee of its
Share Incentive Plan 651,658  ordinary shares.  The transferred  shares were all
formerly held as treasury shares.

Following the above transfer,  BG Group plc holds 161,337,692 ordinary shares as
treasury shares.  The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 3,399,967,900.


BG Group plc

27 April 2007

website www.bg-group.com




                                 SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                                BG Group plc


Date: 27 April 2007                              By: ___Ben Mathews___

                                                     Ben Mathews
                                                     Company Secretary