Algeria's state grain buyer OAIC yesterday bought an undisclosed quantity of wheat of optional origin for delivery in August and priced at $ 228 - $ 228.50 / tonne c & f under an international tender. This is reported by European dealers. The offer period originally ended on Tuesday and has since been extended. OAIC is one of the largest grain importers in the world. The company does not publish any tender results. All figures are estimates of market participants.