RNS Number:7432L
Advanced Power Components PLC
30 May 2003


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

The Company was notified on 30 May 2003 by Mr Guy Thomas that he is now
beneficially interested in 1,250,000 of the Company's ordinary 2p shares
("Ordinary Shares") which represents 5.03 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                                         1,016,000
NAH Thomas & RG Thomas a/c Delta 2                              234,000


30 May 2003



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

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