Hittite Microwave Corporation to Release First Quarter 2010 Financial Results on April 22, 2010

Hittite Microwave Corporation (Nasdaq: HITT) plans to announce its financial results for the first quarter ended March 31, 2010 after the close of market on Thursday, April 22, 2010. In conjunction with the release, Hittite Microwave will conduct a conference call at 5:00 p.m. ET on April 22, 2010, 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 Relations 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 4279362. The webcast replay of the call will also be available after the live call by visiting the Investor Relations page at www.hittite.com.

About Hittite Microwave Corporation
Hittite Microwave is an innovative designer and developer of high-performance integrated circuits, or ICs, modules, subsystems and instrumentation for technically demanding radio frequency, or RF, microwave and millimeterwave applications. Products include amplifiers, attenuators, comparators, data converters, dielectric resonator oscillators, filters-tunable, frequency dividers and detectors, frequency multipliers, high speed digital logic, interface, limiting amplifiers, mixers and converters, modulators and demodulators, oscillators, passives, phase lock loop (PLL), PLL with integrated VCOs, phase shifters, power conditioning, power detectors, sensors, switches, synthesizers, transimpedance amplifiers and variable gain amplifiers. Hittite's products are used in a variety of applications and end markets including automotive, broadband, cellular infrastructure, fiber optic, microwave and millimeterwave communications, military, space, and test and measurement. The company utilizes radio frequency integrated circuits (RFIC), monolithic microwave integrated circuits (MMIC), multi-chip modules (MCM) and microwave integrated circuit (MIC) technologies. The company is headquartered in Chelmsford, MA.