X0202 4 2008-05-13 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 3862269 I See Footnote Common Stock 2008-05-13 4 S 0 200 39.68 D 7233136 D Common Stock 2008-05-13 4 S 0 300 39.69 D 7232836 D Common Stock 2008-05-13 4 S 0 200 39.7 D 7232636 D Common Stock 2008-05-13 4 S 0 170 39.71 D 7232466 D Common Stock 2008-05-13 4 S 0 300 39.73 D 7232166 D Common Stock 2008-05-13 4 S 0 100 39.735 D 7232066 D Common Stock 2008-05-13 4 S 0 200 39.78 D 7231866 D Common Stock 2008-05-13 4 S 0 100 39.812 D 7231766 D Common Stock 2008-05-13 4 S 0 300 39.84 D 7231466 D Common Stock 2008-05-13 4 S 0 200 39.87 D 7231266 D Common Stock 2008-05-13 4 S 0 100 39.88 D 7231166 D Represents shares held by Ayasli Children LLC, of which the Reporting Person is the manager and the Reporting Person's children are the members. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of such shares for purposes of Section 16 or for any other purpose. The sale reported in this Form 4 was effected pursuant to a 10b5-1 trading plan adopted by the reporting person. /s/ Robert W. Sweet, Jr., Attorney-in-fact 2008-05-15