X0303 4 2010-11-15 0 0001130866 HITTITE MICROWAVE CORP HITT 0001330182 Ayasli Yalcin C/O HITTITE MICROWAVE CORPORATION 20 ALPHA ROAD CHELMSFORD MA 01824 0 0 1 0 Common Stock 2010-11-15 4 S 0 20000 55.2290 D 2146886 D The sale reported in this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the reporting person. This price represents the weighted average sale price of multiple transactions on the reported date at prices that ranged between $54.93 and $55.87. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the issuer, or a security holder of the issuer. /s/ Robert W. Sweet, Jr., Attorney-in-fact 2010-11-16