ABOUT RIO TINTO MINERALSRio Tinto Minerals is a leading supplier of borates and talc. The organization encompasses 2,500 people working at 40 facilities on five continents to serve more than 2,400 direct customers worldwide. Rio Tinto Minerals: Supplies 43 percent of global demand for refined borates and markets its borate products under the Borax 20 Mule Team? brand. Borates are essential for plants, part of a healthy human diet, and key ingredients in fiberglass, glass, ceramics, detergents, agricultural nutrients and wood preservatives.Supplies 25 percent of global demand for talc and markets its talc products under the Luzenac ? brand. Talcs enhance performance in countless applications, including paper, paints, plastics, ceramics, personal care products, agriculture and pharmaceuticals.The company is the acknowledged world leader in product quality, supply reliability and technical support ? the services that create value for our customers and differentiate Rio Tinto Minerals from its competitors. Rio Tinto Minerals is also an industry leader in continuously improving how its products and practices contribute to sustainable development. The company?s line of refined borate products is listed below: