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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1024520	World Heart Corp	WHRT	Electromedical & Electrotherapeutic Apparatus (3845)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1444043	Camber Capital Management Llc	101 Huntington Avenue Suite 2550 Boston MA 02199		No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-08-02	1,639,345	$89.79	4,918	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Warrants	Disposition	2012-08-02	1,639,345	$84.11	1,639,345	$0.10

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2012-08-02	2012-08-02	No	4	S	Indirect

Footnotes

Each share of World Heart common stock has been converted into the right to receive 0.003 shares of HeartWare common stock.
Securities reported herein for Camber Capital Management LLC (the "LLC") represent Common Stock and Common Stock issuable upon the exercise of warrants beneficially owned and held of record by two private investment funds and one managed account for which the LLC serves as the investment manager. Stephen DuBois is the managing member of the LLC and managing member of the general partners for each of the private investment funds. The LLC, private investment funds, managed account, general partners and Mr. DuBois (the "Reporting Persons") are each beneficial owners and have an address of 101 Huntington Avenue, Suite 2550, Boston, MA 02199. The Reporting Persons disclaim beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the shares and warrants in which the Reporting Persons have no actual pecuniary interest therein.