Custos has acquired additional shares in Perbio

Custos has acquired additional shares in Perbio Custos has acquired additional shares in Perbio Science AB. After the acquisition AB Custos holds 8,047,218 shares corresponding to 22.5 per cent of the voting rights and of the share capital. Stockholm, October 20, 1999 AKTIEBOLAGET CUSTOS (publ) Christer Gardell Chief Executive Officer For further questions please contact Mr Christer Gardell (+46 8 440 57 70) ------------------------------------------------------------ Please visit http://www.bit.se for further information The following files are available for download: http://www.bit.se/bitonline/1999/10/20/19991020BIT00110/bit0001.doc http://www.bit.se/bitonline/1999/10/20/19991020BIT00110/bit0002.pdf