Gypsum

Rio Tinto's Dampier Salt operations at Lake MacLeod provide high quality, natural gypsum to the wallboard, plaster, cement and agriculture markets in Africa, Asia and Australia. The following details Rio Tinto share and production information for our Dampier Salt gypsum operations at Lake MacLeod in 2006:

Operation Rio Tinto share Commodity Total annual production, '000 tonnes (as at December 31 2006)
Dampier Salt 64.9% Gypsum 1,169