RNS Number:5618K
Advanced Power Components PLC
30 April 2003


                 Advanced Power Components plc (the "Company")

                               Holding in Company


The Company was notified on 28 April 2003 by Mr Guy Thomas that, following the
sale by him of 250,000 of the Company's ordinary 2p shares ("Ordinary Shares"),
he is the beneficial owner of 1,750,000 Ordinary Shares representing 7.0 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                                         1,060,000
NAH Thomas & RG Thomas a/c Delta 2                              340,000
Radfall Limited                                                 350,000


30 April, 2003


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

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