The OIC Business Union will hold here its first annual conference on Friday. The event will be attended by Secretary General of the Organization of Islamic Conference (OIC) Ekmeleddin Ihsanoglu, President of the Islamic Development Bank (IDB) Dr. Ahmad Muhammad Ali and Chairman of the Islamic Chamber of Commerce and Industry( ICCI) Salih Kamel. Chairmen of federation of chambers of commerce in the Islamic countries as well as 1000 businessmen and businesswomen from 30 countries and 17 Chairmen of Banks will discuss ways of enhancing and encouraging experiences and opinions among members for intra-trade among Islamic countries as well as inking a number of agreements to increase volume of investment in the Islamic World.