RNS Number:0703M
Advanced Power Components PLC
09 June 2003


                  Advanced Power Components plc (the "Company")
                                        
                               Holding in Company


The Company was notified on 9 June 2003 by Mr Guy Thomas that he is now
beneficially interested in 750,000 of the Company's ordinary 2p shares
("Ordinary Shares") which represents 3.02 per cent. of the Company's issued
Ordinary Share capital.


The Ordinary Shares are registered as follows:

Registered Holder                                    Number of Ordinary Shares

Rock Nominees Limited                                                  516,000
NAH Thomas & RG Thomas a/c Delta 2                                     234,000


9 June 2003






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

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