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In today’s highly competitive global economy, the demand for high quality products manufactured at low costs with shorter cycle times has forced various industries to consider new product design, manufacturing and management strategies. To fulfill these requirements organizations have to become process-centered so they can maximize the efficiency of their value chain. The concept of business process is a key issue in the process-centered paradigm. In order to take the most out of the reengineering efforts and from the information technology, business processes must be documented, understood and managed. One way to do that is by efficiently modeling business processes. This paper proposes an extension to UML Profile for Business Modeling to include the concepts of business process.