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