SM Prime Holdings, inc. or SM Prime is the parent company of the SM Group's shopping malls. It is the largest shopping mall and retail operator in the Philippines. It was incorporated on 6 January 1994 to develop, conduct, operate and maintain the SM commercial shopping centres and all businesses related thereto, such as the lease of commercial spaces within the compound of shopping centres. It later went public on July 5, 1994 and subsequently grew to become the largest company listed on the Philippine Stock Exchange in terms of revenue. As of 2007, SM Prime Holdings became one of the largest shopping mall chains in the world. The company's main sources of revenues include rental income from mall and food courts, cinema ticket sales and amusement income from bowling and ice-skating.