Prime Minister John Howard to speak at a luncheon hosted by the Australian Chamber of Commerce and Industry and CCI WA, July 25 at the Burswood Entertainment Complex. Alf D’Souza, Moscow-based vice-president of corporate affairs for Shell Exploration & Production Services Russia, to speak at an American Chamber of Commerce business briefing, July 31 at the Parmelia Hilton. Malaysian Minister for International Trade, Datuk Rafida Aziz, to speak at an Australian Malaysian Council seminar on August 3.