Holding(s) in Company

Celtic PLC
22 December 2006



                                   CELTIC PLC
                            Significant shareholding

22 December 2006

Celtic plc received notification on 22 December 2006 that on 22 December 2006
Telstar Holdings SA, a company owned by Mr Denis O'Brien, acquired an interest
in 1,600,000 Convertible Preferred Ordinary Shares of 100p each in the capital
of Celtic plc. This increases Mr O'Brien's total holding to 2,400,000
Convertible Preferred Ordinary Shares. This represents 13.32% of the issued
share capital in that class. Mr O'Brien is also the beneficial owner of 500,000
Ordinary Shares in Celtic plc.

End.



                      This information is provided by RNS
            The company news service from the London Stock Exchange