O2 BUILDS TOWARDS AN 'ALL IP' DIGITAL, MOBILE MULTIMEDIA NETWORK
Released: 27 January 2005

O2's plan to build towards an all Internet Protocol (IP) digital mobile multimedia core network has moved forward today with the selection of the Siemens Communications Group, to deliver the latest IP Multimedia Subsystem (IMS) across the Group

O2 ENHANCES MOBILE INFORMATION, ENTERTAINMENT SERVICES AND HANDSET RANGE WITH NEW GENERATION OF MOBILE TECHNOLOGY
Released: 27 January 2005

O2 today announced that it will introduce a range of attractive new handsets and an enhanced O2 Active portal over its 3G network.

mmO2 REPORTS SUSTAINED MOMENTUM IN THE
THIRD QUARTER, DELIVERING ONGOING GROWTH IN CUSTOMER NUMBERS AND RESILIENT ARPU ACROSS ALL OPERATING BUSINESSES
Released: 27 January 2005

mmO2 plc today announced its key performance indicators for the three-month period ending 31 December 2004.

mmO2 WELCOMES OFCOM'S NEW STRATEGIC APPROACH TO UK RADIO SPECTRUM MANAGEMENT
Released: 13 January 2005

The principles behind Ofcom's new, strategic approach to spectrum management in the UK, published today, have been welcomed by mmO2.

CORPORATE REORGANISATION TO CREATE DISTRIBUTABLE RESERVES
Released: 12 January 2005

mmO2 plc ("mmO2" or the "Company") announces that it will be posting a circular (the "Circular") to its shareholders in connection with the proposals announced on 17 November 2004 to implement a sustainable dividend policy and make distributions to shareholders (the "Proposals").