X0306 4 2012-12-11 0 0001389072 HeartWare International, Inc. HTWR 0001434007 Hathaway David R C/O HEARTWARE INTERNATIONAL, INC. 205 NEWBURY STREET, SUITE 101 FRAMINGHAM MA 01701 0 1 0 0 Chief Medical Officer Common Stock 2012-12-11 4 S 0 6000 82.17 D 11640 D Common Stock 2012-12-12 4 S 0 6000 81.81 D 5640 D Common Stock 2012-12-13 4 S 0 5640 81.10 D 0 D The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $82.01 to $82.44. The reporting person has provided the issuer and will provide any security holder of the issuer or the SEC Staff, upon request, information regarding the number of shares sold at each price within the range. The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $81.55 to $82.13. The reporting person has provided the issuer and will provide any security holder of the issuer or the SEC Staff, upon request, information regarding the number of shares sold at each price within the range. The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $80.88 to $81.34. The reporting person has provided the issuer and will provide any security holder of the issuer or the SEC Staff, upon request, information regarding the number of shares sold at each price within the range. /s/ Lauren Farrell as Attorney-in-Fact 2012-12-13