Siemens, a global technology powerhouse, agreed to acquire Process Systems Enterprise, a provider of Advanced Process Modelling software, services and solutions to the process industries. Financial terms were not disclosed. "We are delighted to become part of the Siemens organization. Our technology and know-how are highly complementary to Siemens’ products, and our combined portfolio will build on Siemens’ already strong position in digitalization to deliver unprecedented benefits to customers.” Costas Pantelides, PSE Managing Director.