Holding in Company

Kingspan Group PLC
12 September 2003

Kingspan Group Plc

12 September 2003

Re: Holding in Company

A letter from AIB Group dated 12 September 2003 to Kingspan Group Plc, received
by Kingspan Group Plc on the 12 September 2003.

SECTIONS 67 TO 80, COMPANIES ACT 1990

This notification relates to issued ordinary shares of Euro13 cents each in the
capital of Kingspan Group Plc (the 'Company') and is given in fulfilment of the
obligations imposed by sections 67 to 71 and otherwise by Chapter 2 of Part IV
of the Companies Act, 1990.

We write to inform you that immediately after the time when the obligation to
make this notification arose Allied Irish Banks plc ('AIB') and its subsidiaries
had a total notifiable interest (as defined in the above mentioned sections of
the Act) in 11,749,099 shares in the capital of your company.

A breakdown of that interest between registered holders (as required by Section
71(3) of the Act) to the extent known to us, is attached.

Evelyn Carroll
Group Compliance Officer
Regulatory Compiance & Business Ethics
AIB Group



Kingspan Group Plc

                         Schedule of Registered Holders


REGISTERED HOLDER                  CLASS OF SECURITY                  NO.OF SHARES HELD

AIB Custodial Nominees Ltd 184321  Ordinary Shares Euro 13 cents each   2,753,242

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   516,970
184345

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   392,548
184315

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   61,336
184219

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   183,115
184224

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   3,746,449
184201

AIB Custodial Nominees Ltd A/C     Ordinary Shares Euro 13 cents each   101,474
184316

Bank of New York Nominees Ltd      Ordinary Shares Euro 13 cents each   155,570

Nortrust Nominees Ltd              Ordinary Shares Euro 13 cents each   651,534

Skerries Nominees Ltd              Ordinary Shares Euro 13 cents each   3,174,645

Nutraco Nominees Ltd               Ordinary Shares Euro 13 cents each   6,816

AIB Trust Company (Isle of Man) A/ Ordinary Shares Euro 13 cents each   5,400
C 119



This announcement has been issued through the Companies Announcement Service of
                           the Irish Stock Exchange.




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