Packer & Co Ltd increased its relevant interest in Arc Energy NL on 02 July 2002, from 7,638,850 ordinary shares (5.00%) to 9,838,850 ordinary shares (6.45%).

Tower Trust Ltd ceased to be a substantial shareholder in Arc Energy NL on 05 July 2002.

Ensign Resource Service Group increased its relevant interest in Australian Oil & Gas Corporation Limited on 08 July 2002, from 9,107,776 ordinary shares (15.69%) to 13,300,916 ordinary shares (22.89%); and increased from 758,981 ASX Quoted Options to 896,448 ASX quoted options.

Perpetual Trustees Australia Limited became a substantial shareholder in Novus Petroleum Limited on 05 July 2002 with a relevant interest in the issued share capital of 9,324,090 ordinary shares (5.08%).

UBS Nominees Pty Ltd ceased to be a substantial shareholder in Australian Oil & Gas Corporation Limited on 10 July 2002.

Permanent Trustee Australia Limited ceased to be a substantial shareholder in Nautronix Limited on 05 July 2002.

Inkjar Pty Ltd, Suparell Pty Ltd and Bradford Lawrence Farrell and Elizabeth Ann Farrell increased their relevant interest in Sun Resources NL on 10 July 2002, from 5,118,335 ordinary shares (5.37%) to 10,118,335 ordinary shares (10.68%). Martinick Holdings Pty Ltd decreased their relevant interest in Sun Resources NL on 11 June 2002, from 5,915,990 ordinary shares (6.21%) to 5,206,226 ordinary shares (5.46%).