Hittite Microwave Corporation (Nasdaq:HITT) plans to announce its financial results for the first quarter ended March 31, 2011 after the close of market on Thursday, April 28, 2011. In conjunction with the release, Hittite Microwave will conduct a conference call at 5:00 p.m. ET on Thursday, April 28, 2011, hosted by Mr. Stephen G. Daly, Chairman, President and Chief Executive Officer, and Mr. William W. Boecke, Vice President and Chief Financial Officer. A live webcast of the call will be available online on the Hittite Microwave website. To access the live webcast, go to the Investor page of the Hittite Microwave website at www.hittite.com and click on the webcast icon located under the News & Events section. Hittite Microwave encourages each visitor to review the site prior to the call to ensure that the visitor’s computer is configured properly. A telephonic replay of the call also will be available for one week after the live call by dialing (303) 590-3030 access code 4430193. The webcast replay of the call will also be available after the live call by visiting the Investor page at www.hittite.com. About Hittite Microwave Corporation Hittite Microwave Corporation is an innovative designer and manufacturer of high performance integrated circuits, or ICs, modules, subsystems and instrumentation for technically demanding digital, RF, microwave and millimeterwave applications covering DC to 110 GHz. The company’s standard and custom products apply analog, digital and mixed-signal semiconductor technologies, which are used in a wide variety of wireless & wired communication and sensor applications for the automotive, broadband, cellular infrastructure, fiber optic, microwave & millimeterwave communications, military, space and test & measurement markets. The company is headquartered in Chelmsford, Massachusetts.