X0303 4/A 2011-05-19 2011-05-23 0 0001389072 HeartWare International, Inc. HTWR 0001404477 Thomas Robert Bain C/O HEARTWARE INTERNATIONAL, INC. 205 NEWBURY ST., SUITE 101 FRAMINGHAM MA 01701 1 0 0 0 Common Stock 2011-05-19 4 S 0 3300 75.98 D 53070 I see footnote Common Stock 2011-05-19 4 S 0 1700 76.50 D 51370 I see footnote Common Stock 29595 D Common Stock 10714 I see footnote Common Stock 14286 I see footnote Common Stock 1285 I see footnote The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $75.23 to $76.20. 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. Robert Thomas as Trustee of the RB Thomas Superannuation Fund. The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $76.25 to $76.86. 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. Robert Thomas as Trustee of the Thomas Family Account. Held by Mr. Thomas' spouse, Mrs. Kyrenia Thomas. Robert Thomas as Trustee of the Tony McCullough Foundation. /s/ David McIntyre as Attorney-in-Fact 2011-05-25