International Rectifier Completes Acquisition of CHiL Semiconductor, a Leading Supplier of Digital Power Management Solutions

International Rectifier Corporation has announced the completion of its acquisition of privately held CHiL Semiconductor Corporation (CHiL). The Company previously announced its proposed acquisition of CHiL on February 25, 2011. The acquisition expands IR’s technology by adding a leading digital power management platform that improves energy efficiency in a wide variety of applications, including computing systems, graphics, servers and gaming.