Holding(s) in Company

BT Group PLC 22 September 2006 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company BT Group plc 2) Name of shareholder having a major interest Barclays PLC 3) Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 Total holding of the above shareholder 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them Registered Holder Account Designation Holding BANK OF IRELAND 426353 1,090,611 BANK OF IRELAND 426360 107,320 BANK OF NEW YORK 594,199 Barclays Bank PLC (Singapore) 3,700 BARCLAYS CAPITAL NOMINEES LIMITED 1,468,134 BARCLAYS CAPITAL NOMINEES LIMITED 272,955,634 BARCLAYS CAPITAL NOMINEES LIMITED 7,295,033 BARCLAYS CAPITAL NOMINEES LIMITED 192,700 Barclays Capital Securities Ltd. 1,150 Barclays Capital Securities Ltd. 1,150 Barclays Global Investors Canada 617,541 Barclays Trust Co & Others 37,213 BARCLAYS TRUST CO AS EXEC/ADM C 000000000000000000 1,145 Barclays Trust Co DMC69 C 000000000000000000 83,788 Barclays Trust Co E99 C 000000000000000000 1,817 Barclays Trust Co R69 C 000000000000000000 182,216 BNP PARIBAS 607,560 CHASE NOMINEES LTD 16376 4,041,335 CHASE NOMINEES LTD 20947 59,783,783 CHASE NOMINEES LTD 21359 3,206,919 CHASE NOMINEES LTD 28270 1,031,669 CHASE NOMINEES LTD 28270 2,765,658 CIBC MELLON GLOBAL SECURITIES 460,459 Clydesdale Nominees HGB0125 32419001 1,725 Clydesdale Nominees HGB0125 59441401 28,085 Clydesdale Nominees HGB0125 59477501 730 Clydesdale Nominees HGB0125 100227401 1,252 Gerrard Nominees Limited 602394 3,250 Gerrard Nominees Limited 605704 1,600 Gerrard Nominees Limited 607205 5,250 Gerrard Nominees Limited 607486 1,040 Gerrard Nominees Limited 608300 1,775 Gerrard Nominees Limited 608459 650 Gerrard Nominees Limited 611717 7,000 Gerrard Nominees Limited 617906 4,000 Gerrard Nominees Limited 620404 1,010 Gerrard Nominees Limited 631118 24,600 Gerrard Nominees Limited 633484 1,040 Gerrard Nominees Limited 635860 3,200 Gerrard Nominees Limited 637739 1,350 Gerrard Nominees Limited 642686 1,530 Gerrard Nominees Limited 643975 13,200 Gerrard Nominees Limited 647291 2,700 Gerrard Nominees Limited 650668 5,200 Gerrard Nominees Limited 654151 3,500 Gerrard Nominees Limited 658574 3,150 Gerrard Nominees Limited 658729 1,950 Gerrard Nominees Limited 659442 2,750 Gerrard Nominees Limited 659645 2,600 Gerrard Nominees Limited 660302 6,500 Gerrard Nominees Limited 660318 88,000 Gerrard Nominees Limited 660632 2,000 Gerrard Nominees Limited 660758 33,000 Gerrard Nominees Limited 660851 26,000 Gerrard Nominees Limited 768557 24,350 Gerrard Nominees Limited 770101 26,500 Gerrard Nominees Limited 774125 750 Gerrard Nominees Limited 774160 3,600 Gerrard Nominees Limited 777488 1,550 Gerrard Nominees Limited 777546 650 Gerrard Nominees Limited 781271 17,500 Greig Middleton Nominees Limited (GM1) 3,260,108 Greig Middleton Nominees Ltd (GM3) 126066DA 3,400 Greig Middleton Nominees Ltd (GM3) 220805DN 542,500 Greig Middleton Nominees Ltd (GM3) 523475DN 1,000,000 INVESTORS BANK AND TRUST CO. 40,258,530 INVESTORS BANK AND TRUST CO. 131,957 INVESTORS BANK AND TRUST CO. 65,963 INVESTORS BANK AND TRUST CO. 122,306 INVESTORS BANK AND TRUST CO. 1,425,520 INVESTORS BANK AND TRUST CO. 154,650 INVESTORS BANK AND TRUST CO. 9,937,951 INVESTORS BANK AND TRUST CO. 939,750 INVESTORS BANK AND TRUST CO. 3,339,328 INVESTORS BANK AND TRUST CO. 800,354 INVESTORS BANK AND TRUST CO. 23,007,616 INVESTORS BANK AND TRUST CO. 778,486 INVESTORS BANK AND TRUST CO. 8,466,958 INVESTORS BANK AND TRUST CO. 2,578,634 INVESTORS BANK AND TRUST CO. 2,201,832 INVESTORS BANK AND TRUST CO. 672,804 INVESTORS BANK AND TRUST CO. 238,500 INVESTORS BANK AND TRUST CO. 2,577,846 INVESTORS BANK AND TRUST CO. 21,915,360 INVESTORS BANK AND TRUST CO. 689,871 JP MORGAN (BGI CUSTODY) 16331 2,067,206 JP MORGAN (BGI CUSTODY) 16338 498,052 JP MORGAN (BGI CUSTODY) 16341 4,549,056 JP MORGAN (BGI CUSTODY) 16341 2,408,169 JP MORGAN (BGI CUSTODY) 16342 1,058,228 JP MORGAN (BGI CUSTODY) 16344 797,532 JP MORGAN (BGI CUSTODY) 16345 1,338,176 JP MORGAN (BGI CUSTODY) 16400 64,293,968 JP MORGAN (BGI CUSTODY) 17011 142,657 JP MORGAN (BGI CUSTODY) 18409 6,319,716 JPMORGAN CHASE BANK 273,739 JPMorgan Chase Bank 82,684 JPMorgan Chase Bank 340,205 JPMorgan Chase Bank 369,482 JPMorgan Chase Bank 509,762 JPMorgan Chase Bank 378,110 JPMorgan Chase Bank 2,716,589 JPMorgan Chase Bank 285,731 JPMorgan Chase Bank 899,245 JPMorgan Chase Bank 4,568,874 JPMorgan Chase Bank 828,437 JPMorgan Chase Bank 1,131,518 JPMorgan Chase Bank 67,783 JPMorgan Chase Bank 230,826 JPMorgan Chase Bank 431,755 JPMorgan Chase Bank 1,215,311 JPMorgan Chase Bank 285,269 JPMorgan Chase Bank 70,134 JPMorgan Chase Bank 78,398 JPMORGAN CHASE BANK 3,821,463 JPMORGAN CHASE BANK 725,948 Master Trust Bank 407,419 Master Trust Bank 266,424 Master Trust Bank 1,189,437 Mellon Trust - US CUSTODIAN / 1,048,441 Mellon Trust - US CUSTODIAN / 334,915 MELLON TRUST OF NEW ENGLAND 629,119 Mitsui Asset 141,712 NORTHERN TRUST BANK - BGI SEPA 338,120 NORTHERN TRUST BANK - BGI SEPA 1,194,927 NORTHERN TRUST BANK - BGI SEPA 1,576,124 R C Greig Nominees Limited 13,449,613 R C Greig Nominees Limited a/c AK1 4,164,101 R C Greig Nominees Limited a/c BL1 1,160,153 R C Greig Nominees Limited a/c CM1 401,249 R C Greig Nominees Limited GP1 2,058,672 R C Greig Nominees Limited SA1 784,107 Reflex Nominees Limited 10,893 Reflex Nominees Limited 2,625 STATE STREET BANK & TRUST - WI 1,194,458 STATE STREET BANK AND TRUST CO 46,800 STATE STREET BOSTON 1,132,895 STATE STREET BOSTON 4,325,300 STATE STREET TRUST OF CANADA - 1,070,043 The Northern Trust Company - U 754,001 Trust & Custody Services Bank 4,975 Trust & Custody Services Bank 84,144 Trust & Custody Services Bank 2,736,438 ZEBAN NOMINEES LIMITED 1,511,522 Total 626,798,145 5) Number of shares/amount of stock acquired Total holding of 626,798,145 shares 6) Percentage of issued class 7.53% 7) Number of shares/amount of stock disposed N/A 8) Percentage of issued class- N/A 9) Class of security Ordinary shares of 5p in BT Group plc 10) Date of transaction n/a 11) Date company informed 21 September 2006 12) Total holding following this notification Total holding of 626,798,145 shares 13) Total percentage holding of issued class following this notification 7.53% 14) Any additional information This notification updates the previous notification dated 5 September 2006 and is a result of the change in the total holding of Barclays plc from 545,562,219 to 626,798,145 shares. 15) Name of contact and telephone number for queries Graeme Wheatley, 020 7356 6372 16) Name of authorised company official responsible for making this notification Graeme Wheatley, 020 7356 6372 Date of notification 22 September 2006 End This information is provided by RNS The company news service from the London Stock Exchange

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