Headquarters Dimona Silica Industries Ltd. URL: www.dsilica.com POX 12183, 84100, Beer-Sheba, Israel Corporate Centre Tel: +972 8 65 00-800 Fax: +972 8 65 00-801 e-mail: office@dsilica.com Management office Tel: +972 8 64 69-270 Fax: +972 8 64 69-271 e-mail: dsi@dsilica.com Project Development and Marketing Tel: +7 495 786 67 50 Fax: +7 495 956 62 03 e-mail: office@dsilica.com