A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF A PLATINUM GROUP COMPONENT, A RHENIUM COMPONENT, A GROUP I-B COMPONENT AND A TIN COMPONENT WITH A POROUS CARRIER MATERIAL IS DISCLOSED. THE PRINCIPAL UTILITY OF THIS COMPOSITE IS IN THE CONVERSION OF HYDROCARBONS, PARTICULARLY IN THE REFORMING OF A GASOLINE FRACTION. A SPECIFIC EXAMPLE OF THE DISCLOSED CATALYTIC COMPOSITE IS A COMBINATION OF A PLATINUM COMPONENT, A RHENIUM COMPONENT, A TIN COMPONENT, A GOLD COMPONENT AND A HALOGEN COMPONENT WITH AN ALUMINA CARRIER MATERIAL IN AMOUNTS SUFFICIENT TO RESULT IN A COMPOSITE CONTAINING, ON AN ELEMENTAL BASIS, ABOUT 0.01 TO 2 WT. PERCENT PLATINUM, ABOUT 0.01 TO 2 WT. PERCENT RHENIUM, ABOUT 0.01 TO 5 WT. PERCENT TIN, ABOUT 0.01 TO ABOUT 5 WT. PERCENT GOLD AND ABOUT 0.1 TO 3.5 WT. PERCENT HALOGEN.