VERY SUBSTANTIAL ACQUISITION IN RELATION TO THE ACQUISITION OF PROMETHEAN WORLD PLC AND NOTICE OF EXTRAORDINARY GENERAL MEETING

NOTICE OF EXTRAORDINARY GENERAL MEETING

VERY SUBSTANTIAL ACQUISITION IN RELATION TO THE ACQUISITION OF PROMETHEAN WORLD PLC — OFFER UPDATE AND EXTENSION OF THE OFFER

INTERIM RESULTS ANNOUNCEMENT FOR THE SIX MONTHS ENDED 30 JUNE 2015

NOTICE OF BOARD MEETING

SUPPLEMENTAL ANNOUNCEMENT IN RELATION TO THE ANNUAL REPORT OF THE COMPANY FOR THE YEAR ENDED 31 DECEMBER 2014

VERY SUBSTANTIAL ACQUISITION IN RELATION TO THE ACQUISITION OF PROMETHEAN WORLD PLC — DESPATCH OF OFFER DOCUMENT UNDER THE UK TAKEOVER CODE

MONTHLY RETURN OF EQUITY ISSUER ON MOVEMENTS IN SECURITIES

VERY SUBSTANTIAL ACQUISITION IN RELATION TO THE ACQUISITION OF PROMETHEAN WORLD PLC

NEXT DAY DISCLOSURE RETURN – CHANGES IN ISSUED SHARE CAPITAL