DISCLOSURE NOTICE Höganäs

Industrivärden on March 23, 2006, purchased 150,000 Class B shares in Höganäs, cor-responding to 0.34 percent of the company's votes and 0.43 percent of its capital stock. Following this purchase Industrivärden's total holding amounts to 3,550,000 Class B shares, corresponding to 8.08 percent of the votes and 10.11 percent of the capital stock. Stockholm, Sweden, March 24, 2006 AB INDUSTRIVÄRDEN (publ) For further information, please contact: Anders Nyrén, President and CEO, Industrivärden, tel. +46-8-666 64 00