Document:

Common Shares Warrant

 Exhibit 10.3 
 UNLESS PERMITTED UNDER SECURITIES LEGISLATION, THE HOLDER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE SHALL NOT TRADE THE SECURITIES BEFORE APRIL 12, 2008. 
 THE SECURITIES REPRESENTED HEREBY (AND THE SECURITIES ISSUED UPON EXERCISE HEREOF) HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “U.S. SECURITIES ACT”) OR THE
SECURITIES LAWS OF ANY STATE OF THE UNITED STATES. THE HOLDER HEREOF, BY PURCHASING SUCH SECURITIES, AGREES FOR THE BENEFIT OF THE CORPORATION THAT SUCH SECURITIES MAY BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED ONLY (A) TO THE
CORPORATION, OR (B) OUTSIDE THE UNITED STATES IN ACCORDANCE WITH RULE 903 OR 904 OF REGULATION S UNDER THE U.S. SECURITIES ACT, IF APPLICABLE, OR (C) INSIDE THE UNITED STATES (1) PURSUANT TO THE EXEMPTION FROM THE REGISTRATION
REQUIREMENTS UNDER THE U.S. SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER, IF AVAILABLE, AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAW OR (2) IN A TRANSACTION THAT DOES NOT OTHERWISE REQUIRE REGISTRATION UNDER THE U.S. SECURITIES ACT
OR ANY APPLICABLE STATE SECURITIES LAW, PROVIDED THE HOLDER HAS FURNISHED TO THE CORPORATION AN OPINION OF COUNSEL OF RECOGNIZED STANDING TO THAT EFFECT IN FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE CORPORATION OR (3) PURSUANT TO A
REGISTRATION STATEMENT PURSUANT TO THE U.S. SECURITIES ACT. 
 THE WARRANT EVIDENCED HEREBY IS EXERCISABLE AS SET FORTH HEREIN UNTIL ON OR BEFORE 5:00
P.M. (OTTAWA TIME) ON DECEMBER 11, 2012 OR SUCH EARLIER TIME AS SET FORTH HEREIN, AFTER WHICH TIME THE WARRANTS EVIDENCED HEREBY SHALL BE VOID AND OF NO FURTHER FORCE OR EFFECT. 
  

							
	3,400,000	 	Common Shares	 	Certificate No.	 	1

 WARRANT CERTIFICATE 
 WORLD HEART CORPORATION 
 (continued under the laws of Canada) 
 THIS IS TO CERTIFY THAT, for valuable consideration, including without limitation the offer to make available clinical and marketing service to World Heart Corporation
(the “Corporation”) as set forth in the Clinical and Marketing Support Services Agreement dated as of the date hereof, ABIOMED, Inc. (the “Subscriber”) is entitled until prior to 5:00 p.m. (PT), on
December 11, 2012 upon and subject to the terms and conditions set forth herein and in the schedules attached hereto which form an integral part hereof and shall be deemed to be incorporated herein (the whole being referred to as this
“Warrant”), to exercise in whole or in part this Warrant for: 
 (I) up to 680,000 common shares of the Corporation from the date
hereof (subject to adjustment as provided in Schedule A hereto and those additional restrictions set forth herein), and 
 (II) up to
2,720,000 common shares of the Corporation commencing on the Second Closing Date as such term is defined in the note purchase agreement dated December 11, 2007 between the Corporation, World Heart Inc. and the Subscriber (the “Purchase
Agreement”) (subject to adjustment as provided in Schedule A hereto and those additional restrictions set forth herein), 

 by delivering to the Corporation at its registered office this Warrant, with the notice of exercise attached hereto as
Schedule B duly completed and executed, together with a certified cheque, bank draft, money order or good same day funds transmitted by wire or other similar transfer, in lawful money of the United States, payable to or to the order of the
Corporation, in an amount equal to the Exercise Price (as defined herein), subject to Section 3 of Schedule A, of the Common Shares so subscribed for. 
 Notwithstanding anything to the contrary contained herein, to the extent applicable, until such time as the issuance of shares of Common Stock under this Warrant and the conversion of the secured convertible promissory note dated issued to
the Subscriber on the date hereof (the “Note”) have been approved by the Company’s stockholders in accordance with Nasdaq Marketplace Rule 4350(i) and any applicable Nasdaq Marketplace Rule, the number of shares of Common Stock that
may be acquired by the Investor upon exercise of this Warrant and upon conversion of the Note (or otherwise in respect thereof) shall be limited to no greater than 19.9% of the total number of shares of Common Stock outstanding on the Original Issue
Date (the “Initial Cap”). For the avoidance of doubt, in implementing the foregoing restriction, the Subscriber shall be free to exercise this Warrant for the full amount of the Initial Cap so long as the Subscriber has not converted the
Note into into shares of Common Stock and any cash payments made to the Subscriber under the Note shall not be counted in any way towards the Initial Cap. 
 The purchase price payable for each Common Share subscribed for upon the exercise of this Warrant shall be $0.01, subject to adjustment in the events and in the manner set forth herein as provided in Schedule A hereto (the
“Exercise Price”). 
 This Warrant shall become wholly void and the unexercised portion of the subscription rights evidenced hereby will expire and
terminate at 5:00 p.m. (PT) on December 11, 2012 (the “Expiry Time”) unless previously terminated in accordance with Section 7.5 of the Purchase Agreement. 
 Surrender of this Warrant will be deemed to have been effected only on personal delivery thereof to, or if sent by mail or other means of transmission, on actual receipt thereof by, the Corporation at the principal
office of the Corporation at 7799 Pardee Lane, Oakland CA 94621 (the “Date of Delivery”). All Common Shares shall be issued upon the exercise of this Warrant shall be issued to the Subscriber, upon payment therefor of the Exercise Price
and the Subscriber shall be deemed to have become the holder of record of such Common Shares on the Date of Delivery of this Warrant, together with payment for the Common Shares subscribed for, unless the transfer books of the Corporation shall be
closed on such date, in which event the Common Shares so subscribed for shall be deemed to be issued and the Subscriber shall be deemed to have become the holder of record of such Common Shares on the date on which such transfer books are reopened
and such Common Shares shall be issued at the Exercise Price in effect on the Date of Delivery of this Warrant, together with payment for the Common Shares subscribed for in accordance with the terms of this Warrant. 
 The Corporation will not be obligated to issue any fraction of a Common Share on the exercise of this Warrant. To the extent that the Subscriber would otherwise have
been entitled to receive, on the exercise of this Warrant, a fraction of a Common Share, the number Common Shares which the Subscriber is entitled to receive shall be rounded down to the nearest whole number and the Subscriber shall receive a cash
payment in-lieu of such fractional share based on the Current Market Price (as defined in Schedule A hereto). 
 The Subscriber may purchase less than
the number of Common Shares which the Subscriber is entitled to purchase hereunder on delivery of this Warrant, in which event a new Warrant, in form identical hereto, entitling the Subscriber to purchase the number of Common Shares not purchased,
will be issued to the Subscriber. 
  

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 This Warrant does not entitle the Subscriber to any rights or interest whatsoever as a shareholder of the Corporation or
any other rights or interest except as expressly provided in this Warrant. 
 If this Warrant or any replacement hereof becomes stolen, lost, mutilated or
destroyed, the Corporation shall, on such terms as it may in its discretion impose, acting reasonably, issue and deliver a new Warrant, in form identical hereto, evidencing any unexercised portion of the subscription rights evidenced hereby to
replace the Warrant so stolen, lost, mutilated or destroyed. 
 On presentation at the principal office of the Corporation subject to the provisions of the
Warrant and on compliance with the reasonable requirements of the Corporation, one or more Warrant Certificates may be exchanged for one or more Warrant Certificates of different denominations evidencing in the aggregate the same number of Common
Shares as the Warrant Certificate being exchanged. 
 All amounts of money referred to in this Warrant are expressed in lawful money of the United States.

 The Warrant evidenced by this certificate may only be transferred, upon compliance with the conditions set forth in this Warrant and schedules and
appendices hereto, on the register of transfer to be kept at the principal office of the Corporation by the holder or the holder’s executors, administrators or other legal representatives or the holder or the holder’s attorney duly
appointed by an instrument in writing in form and execution satisfactory to the Corporation and subject to the compliance with certain other terms of the Warrant, and upon compliance with the requirements and such other reasonable requirements as
the Corporation may prescribe, such transfer will be duly noted on such register of transfer by the Corporation. Notwithstanding the foregoing, the Corporation will be entitled to refuse to record any transfer of the Warrant on such register if such
transfer would constitute a violation of applicable securities laws. 
 This Warrant shall enure to the benefit of and shall be binding upon the Subscriber
and the Corporation and their respective successors. 
 This Warrant shall be governed by the laws of the Province of Ontario and the laws of Canada
applicable therein, with out regard to its principles of conflict of laws. 
  

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 IN WITNESS WHEREOF the Corporation has caused this Warrant to be issued in its name by the signature of its duly
authorized officer in that behalf. 
 DATED as of the 11th day of December, 2007. 
  

			
	WORLD HEART CORPORATION
		
	By:	 	 /s/ David Pellone

	Name:	 	David Pellone
	Title:	 	Chief Financial Officer

  

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 SCHEDULE A 
 Additional Terms and Conditions of the Warrant 
  

	1.	Common Shares Reserved for Issuance. The Corporation covenants and agrees that so long as the within Warrant (hereinafter in this Schedule A referred to as the
“Warrant”) is outstanding, it will at all times reserve out of its unissued Common Shares against the exercise by the Subscriber of the Warrant, a sufficient number of Common Shares to enable the Subscriber to exercise in full its rights
upon the basis and upon the terms and conditions provided for by the Warrant. 

  

	2.	Adjustments 

  

	2.1	The rights of the holder of the Warrant, including the number of Common Shares issuable upon the exercise of such Warrant and the Exercise Price payable on exercise of such Warrant,
shall be adjusted from time to time in the events and in the manner provided in, and in accordance with this Section 2 and for such purposes: 

  

	 	(a)	“Adjustment Period” means the period commencing on the date of original issuance of the Warrant and ending at the Expiry Time thereof;

  

	 	(b)	“Current Market Price”, on any date, means the average, during the period of 20 consecutive Trading Days ending on the second Trading Day before such date,
of the average of the closing prices per share at which the Common Shares have traded on the principal stock exchange or quotation system on which the Common Shares are listed or, if the Common Shares have not been listed on a stock exchange or
quotation system for such number of Trading Days, then such lesser number of Trading Days as the Common Shares have been so listed, or, if the Common Shares are not listed on any stock exchange or quotation system, then in the over-the-counter
market as reported by, or as quoted by, the most commonly quoted or carried source of quotations for shares traded in the over-the-counter market, provided that if, on any such Trading Day, there are no such reported or quoted closing prices, the
average of the closing prices per share for board lots of the Common Shares reported by such stock exchange or as quoted by the most commonly quoted or carried source of quotations for shares traded in the over-the-counter market, for such Trading
Day shall be utilized in computing such average, and provided further that if the Common Shares are not listed on any stock exchange or traded in any over-the-counter market, then the Current Market Price of the Common Shares shall be determined in
good faith by the directors; 

  

	 	(c)	“Exchange Rate” means the rate at which Common Shares are issuable upon the exercise in full of the Warrant, which rate, subject to adjustment in accordance
with this Section, is 3,400,000 Common Shares as of date hereof; 

  

	 	(d)	“Trading Day”, with respect to any stock exchange or over-the-counter market, means a day on which shares may be traded through the facilities of such stock
exchange or in such over-the-counter market, and, otherwise, means a day on which shares may be traded through the facilities of the principal stock exchange on which the Common Shares are listed (or, if the Common Shares are not listed on any stock
exchange, then in the over-the-counter market). 

	2.2	

  

	 	(a)	The Exchange Rate in effect at any date will be subject to adjustment from time to time and whenever at any time during the Adjustment Period, the Corporation shall
(i) subdivide, or redivide its outstanding Common Shares into a greater number of Common Shares, or (ii) consolidate, combine or reduce its outstanding Common Shares into a lesser number of Common Shares, or (iii) issue Common Shares
or other securities of the Corporation that are exchangeable for or convertible into Common Shares (“convertible securities”) to all or substantially all of the holders of Common Shares or convertible securities (as the case may be) by way
of a stock dividend or other distribution. In any such event, the Exchange Rate shall, on the record date of such event or the effective date of such event if no record date is fixed, be adjusted so that it will equal the rate determined by
multiplying the Exchange Rate in effect immediately prior to such date by a fraction, of which the denominator shall be the total number of Common Shares outstanding on such date before giving effect to such event, and of which the numerator shall
be the total number of Common Shares outstanding on such date after giving effect to such event. Such adjustment will be made successively whenever any such event shall occur and any such issue of Common Shares or convertible securities by way of a
stock dividend or other distribution is deemed to have occurred on the record date for the stock dividend or other distribution for the purpose of calculating the number of outstanding Common Shares under this Subsection 2.2(a). To the extent that
this Subsection 2.2(a) has become operative because of an issue of convertible securities referred to in clause (iii) above, the number of Common Shares purchasable under the Warrant shall be readjusted based on the number of Common Shares
issuable upon conversion or exchange of such convertible or exchangeable securities. 

  

	 	(b)	 If and whenever at any time during the Adjustment Period, there is (i) any reclassification of the Common Shares at any time outstanding, any change of the
Common Shares into other shares or any other capital reorganization of the Corporation (other than as described in Subsection 2.2(a)), (ii) any consolidation, amalgamation, arrangement, merger or other form of business combination of the
Corporation with or into any other corporation, trust, partnership, or other entity resulting in any reclassification of the outstanding Common Shares, any change of the Common Shares into other shares or any other capital reorganization of the
Corporation, (iii) any triggering of a shareholders rights plan, or (iv) any sale, lease, exchange or transfer of the undertaking or assets of the Corporation as an entirety or substantially as an entirety to another corporation, trust,
partnership or other entity, then, in each such event, the holder of the Warrant if thereafter exercised on or after the effective date of such event will be entitled to receive, and shall accept, in lieu of the number of Common Shares to which such
holder was theretofore entitled upon such exercise, the kind and number or amount of shares or other securities or property which such holder would have been entitled to receive as a result of such event if, on the effective date thereof, such
holder had been the registered holder of the number of Common Shares to which such holder was theretofore entitled upon such exercise. If necessary as a result of any such event, appropriate adjustments will be made in the application of the
provisions set forth in this Section 2 with respect to the rights and interests thereafter of the holder of the Warrant to the end that the provisions set forth in this Section 2 will thereafter correspondingly be made applicable, as
nearly as may reasonably be possible, in the relation to any shares or other securities or property thereafter deliverable upon the exercise or deemed exercise of the 

  

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Warrant. Any such adjustments will be made by and set forth in a supplement hereto approved by the directors of the Corporation and shall for all purposes be
conclusively deemed to be an appropriate adjustment. 

  

	2.3	

  

	 	(c)	The Exercise Price in effect at any date will be subject to adjustment from time to time if and whenever at any time during the Adjustment Period, the Corporation shall
(i) subdivide, or redivide its outstanding Common Shares into a greater number of Common Shares, or (ii) consolidate, combine or reduce its outstanding Common Shares into a lesser number of Common Shares, or (iii) issue Common Shares
or convertible securities to all or substantially all of the holders of Common Shares or convertible securities (as the case may be) by way of a stock dividend or other distribution. In any such event, the Exercise Price shall, on the record date of
such event or the effective date of such event if no record date is fixed, be adjusted so that it will equal the price determined by multiplying the Exercise Price in effect immediately prior to such date by a fraction, the numerator of which shall
be the total number of Common Shares outstanding on such effective date or record date before giving effect to such event, and the denominator of which shall be the total number of Common Shares outstanding on such date immediately after giving
effect to such event. Such adjustment will be made successively whenever any such event shall occur. 

  

	 	(d)	If and whenever at any time during the Adjustment Period, the Corporation shall fix a record date for the making of a distribution to all or substantially all of the holders of
Common Shares of: 

  

	 	(i)	shares of any class other than Common Shares whether of the Corporation or any other corporation; 

  

	 	(ii)	rights, options or warrants (other than rights, options or warrants exercisable by the holders thereof within a period expiring not more than 45 days after the date of issue
thereof); 

  

	 	(iii)	evidences of indebtedness; or 

  

	 	(iv)	cash, securities or other property or assets; 

 then, in
each such case, the Exercise Price will be adjusted immediately after such record date so that it will equal the price determined by multiplying the Exercise Price in effect on such record date by a fraction, of which the numerator shall be the
total number of Common Shares outstanding on such record date multiplied by the Current Market Price on the earlier of such record date and the date on which the Corporation announces its intention to make such distribution, less the excess, if any,
aggregate fair market value on such record date (as determined by the directors at the time such distribution is authorized) of such shares or rights, options or warrants or evidences of indebtedness or cash, securities or other property or assets
so distributed over the fair market value of the consideration received therefor by the Corporation from the holders of the Common Shares (as determined by the directors), and of which the denominator shall be the total number of Common Shares
outstanding on such record date multiplied by such Current 

  

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Market Price. Any Common Shares owned by or held for the account of the Corporation or any subsidiary of the Corporation shall be deemed not to be
outstanding for the purpose of such computation. Such adjustment will be made successively whenever such a record date is fixed, provided that if two or more such record dates or record dates referred to in paragraph 2.3(b) are fixed within a period
of 25 Trading Days, such adjustment will be made successively as if each of such record dates occurred on the earliest of such record dates. To the extent that such distribution is not so made or to the extent that any such rights, options or
warrants so distributed are not exercised prior to the expiration thereof, the Exercise Price will then be readjusted to the Exercise Price which would then be in effect if such record date had not been fixed or to the Exercise Price which would
then be in effect based upon such shares or rights, options or warrants or evidences of indebtedness or cash, securities or other property or assets actually distributed or based upon the number or amount of securities or the property or assets
actually issued or distributed upon the exercise of such rights, options or warrants, as the case may be. 
 2.4 
  

	 	(e)	In any case in which this section 2 shall require that an adjustment shall become effective immediately after a record date for or effective date of an event referred to herein, the
Corporation may defer, until the occurrence and consummation of such event, issuing to the holder of the Warrant, if exercised after such record date or effective date and before the occurrence and consummation of such event, the additional Common
Shares or other securities or property issuable upon such exercise by reason of the adjustment required by such event, provided, however, that the Corporation or successor to the undertaking or assets of the Corporation, will deliver to such holder,
as soon as reasonably practicable after such record date or effective dates, as applicable, an appropriate instrument evidencing such holder’s right to receive such additional Common Shares or other securities or property upon the occurrence
and consummation of such event and the right to receive any dividend or other distribution in respect of such additional Common Shares or other securities or property declared in favour of the holders of record of Common Shares or of such other
securities or property on or after the date of exercise of the Warrant, or such later date as such holder would, but for the provisions of this Section 2.4, have become the holder of record of such additional Common Shares, warrants or of such
other securities or property. 

  

	 	(f)	If the Corporation shall set a record date to determine the holders of the Common Shares or other securities for the purpose of entitling them to receive any dividend or other
distribution or any subscription or exercise rights and shall, thereafter and before the distribution to such securityholders of any such dividend, distribution or subscription or exercise rights, legally abandon its plan to pay or deliver such
dividend, distribution or subscription or exercise rights, then no adjustment in the Exercise Price or the Exchange Rate shall be required by reason of the setting of such record date. 

  

	 	(g)	 The adjustments provided for in this Section 2 are cumulative, and shall, in the case of any adjustment to the Exchange Rate or the Exercise Price, be computed
to the nearest one one-hundredth of a Common Share and will apply (without duplication) to successive subdivisions, consolidations, distributions, issuances or other events resulting in any adjustment under the provisions of this Section 2,
provided that, notwithstanding 

  

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any other provision of this Section 2.4, no adjustment of the Exchange Rate or the Exercise Price will be required (i) unless such adjustment would
require an increase or decrease of at least 1% in the Exchange Rate or the Exercise Price then in effect (provided, however, that any adjustment which by reason of this Subsection 2.4(c) is not required to be made will be carried forward and taken
into account in any subsequent adjustment), or (ii) in respect of any Common Shares issuable or issued pursuant to any option, warrant, share option or share purchase plan of the Corporation, or (iii) in respect of any Common Shares
issuable or issued pursuant to or upon exercise of the Warrant. 

  

	 	(h)	If any question arises with respect to the adjustments provided in this Section 2, such question shall be conclusively determined by the Corporation’s auditors or, if they
are unable or unwilling to act, by such firm of chartered accountants as is appointed by the Corporation. Such accountants shall have access to all necessary records of the Corporation and such determination shall be binding upon the Corporation,
and the holder of Warrant. 

  

	 	(i)	All shares of any class or other securities or property which the holder of the Warrant is at the time in question entitled to receive on the full exercise of the Warrant, whether
or not as a result of adjustments made pursuant to this Section 2 shall, for the purposes of the interpretation of this Warrant Certificate, be deemed to be Common Shares which such holder of the Warrant is entitled to subscribe for pursuant to
the exercise of the Warrant. 

  

	 	(j)	If and whenever at any time during the Adjustment Period, the Corporation shall take any action affecting or relating to the Common Shares, other than any and all action described
in this Section 2, which in the opinion of the directors of the Corporation, would adversely affect the rights of the holder of the Warrant, the Exchange Rate and/or the Exercise Price shall be adjusted by the directors in such manner, if any,
and at such time, as the directors, may in their sole discretion determine in good faith to be equitable in the circumstances to such holders. 

  

	 	(k)	As a condition precedent to the taking of any action which would require an adjustment in any of the rights under the Warrant, the Corporation will take any and all action which
may, in the opinion of counsel to the Corporation, be necessary in order that the Corporation, or any successor to the Corporation or successor to the undertaking or assets of the Corporation, shall be obligated to and may validly and legally issue
all the Common Shares or other securities or property which the holder of the Warrant would be entitled to receive thereafter on the exercise thereof in accordance with the provisions hereof. 

  

	 	(l)	At least seven days before the earlier of the effective date of or record date for any event referred to in this Section 2 that requires or might require an adjustment in any
of the rights under the Warrant or such longer notice period as may be applicable in respect of notices required to be delivered by the Corporation to holders of its Common Shares, the Corporation will give notice to the holder of the Warrant of the
particulars of such event and, to the extent determinable, any adjustment required and a description of how such adjustment will be calculated. 

  

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 Such notice need only set forth such particulars as have been determined at the date such notice is
given. If any adjustment for which such notice is given is not then determinable, promptly after such adjustment is determinable the Corporation will give notice to the holder of the Warrant of such adjustment. 
  

	3.	Net Issue Exercise 

 The holder of the Warrant may
exercise this Warrant, in whole or in part, if the Current Market Price of one Common Share is greater than the Exercise Price (as of the date of calculation as set forth below), in lieu of exercising this Warrant for cash, by electing to receive
Common Shares equal to the value (as determined below) of this Warrant (or portion thereof being cancelled) by surrender of this Warrant at the principal office of the Corporation together with a duly completed notice of exercise and notice of such
election, in which case the Corporation shall issue to the holder of the Warrant a number of Common Shares computed using the following formula: 
  

									
		 	X	 	=	 	Y(A-B)	 	
	 	 		 	A	 	

 where: 
 X = the number of Common Shares to be issued to the holder of the Warrant 
 Y = the number of Common Shares
purchasable under the Warrant or, if only a portion of the Warrant is being exercised, the portion of the Warrant being exercised (at the date of such calculation) 
 A = the Current Market Price of one Common Share (at the date of such calculation) 
 B = the Exercise Price
(as adjusted to the date of such calculation) 
 In any case where the consideration payable upon such exercise is being paid in whole or in
part pursuant to the provisions of this Section 3, such exercise shall be accompanied by written notice from the holder of this Warrant specifying the manner of payment thereof and containing a calculation showing the number of Common Shares
with respect to which purchase rights are being exercised thereunder and the net number of Common Shares to be issued after giving effect to such surrender, as set forth in Schedule B. Any such calculation shall be subject to the provisions
of this Section 3. 
  

	4.	Legends 

  

	 	(a)	Any certificate representing Common Shares issued upon the exercise of the Warrant prior to the date which is four months and one day after the date hereof will bear the following
legend: 

 “UNLESS PERMITTED UNDER SECURITIES LEGISLATION, THE HOLDER OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE
SHALL NOT TRADE THE SECURITIES BEFORE APRIL 12, 2008.” 
  

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	 	(b)	All certificates issued in exchange for or in substitution of, the Warrant Certificates, shall bear the following legend (the “US Legend”): 

 “THE SECURITIES REPRESENTED HEREBY (AND THE SECURITIES ISSUED UPON EXERCISE HEREOF) HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES
ACT OF 1933, AS AMENDED (THE “U.S. SECURITIES ACT”) OR THE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES. THE HOLDER HEREOF, BY PURCHASING SUCH SECURITIES, AGREES FOR THE BENEFIT OF THE CORPORATION THAT SUCH SECURITIES MAY BE OFFERED,
SOLD, PLEDGED OR OTHERWISE TRANSFERRED ONLY (A) TO THE CORPORATION, OR (B) OUTSIDE THE UNITED STATES IN ACCORDANCE WITH RULE 903 OR 904 OF REGULATION S UNDER THE U.S. SECURITIES ACT, IF APPLICABLE, OR (C) INSIDE THE UNITED STATES
(1) PURSUANT TO THE EXEMPTION FROM THE REGISTRATION REQUIREMENTS UNDER THE U.S. SECURITIES ACT PROVIDED BY RULE 144 THEREUNDER, IF AVAILABLE, AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAW OR (2) IN A TRANSACTION THAT DOES NOT
OTHERWISE REQUIRE REGISTRATION UNDER THE U.S. SECURITIES ACT OR ANY APPLICABLE STATE SECURITIES LAW, PROVIDED THE HOLDER HAS FURNISHED TO THE CORPORATION AN OPINION OF COUNSEL OF RECOGNIZED STANDING TO THAT EFFECT IN FORM AND SUBSTANCE REASONABLY
SATISFACTORY TO THE CORPORATION OR (3) PURSUANT TO A REGISTRATION STATEMENT PURSUANT TO THE U.S. SECURITIES ACT.” 
  

	 	(c)	In the event that the Warrant is exercised by the Subscriber or any transferee at any time, the certificates evidencing the Common Shares will bear the US Legend.

  

	5.	Notices 

  

	 	(a)	A notice so given by mail or delivered (including delivery by facsimile) will be deemed to have been given on the third business day after it has been mailed or on the day which it
has been delivered (including by facsimile), as the case may be. In determining under any provision hereof the date when notice of a meeting or other event must be given, the date of giving notice will be included and the date of the meeting or
other event will be excluded. 

  

	 	(b)	Any notice to be given hereunder by delivery to the Corporation, shall be at the following address: 

 To World Heart Corporation 
 7799 Pardee Lane

 Oakland, CA 94621 
 Facsimile:
(510) 563-4800 
 Attention: Chief Financial Officer 
  

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 with a copy to: 
 McCarthy Tetrault LLP 
 40 Elgin Street, Suite 1400 
 Ottawa, Ontario 
 K1P 5K6 
 Facsimile: (613) 563-9386 
 Attention:
Virginia K. Schweitzer 
 Any notice to be given hereunder by delivery to the Subscriber, shall be at the following address:

 ABIOMED, Inc. 
 22 Cherry Hill
Drive 
 Danvers, MA 01923 
 Facsimile: (978) 777-8411 
 Attention: General Counsel 
 with a copy to: 
 Foley Hoag LLP 

155 Seaport Boulevard 
 Boston,
Massachusetts 02210 
 Facsimile: (617) 832-7000 
 Attention: Peter M. Rosenblum, Esq. 
 or to such other address(es) as the Company or the Subscriber may from time to time in writing notify the other party. 
  

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 SCHEDULE B 
 NOTICE OF EXERCISE 
  

	To:	WORLD HEART CORPORATION 

 The undersigned holder of the Warrant
evidenced by this Warrant Certificate hereby exercises its right to be issued Common Shares of World Heart Corporation (or such other securities or property to which such exercise entitles him in lieu thereof or in addition thereto under the
provisions of the Warrant Certificate) that are issuable upon the exercise of such Warrant, on the terms specified in such Warrant Certificate and in connection therewith was enclosed a certified cheque, bank draft, money order or good same day
funds transmitted by wire or other similar transfer, in lawful money of the United States, payable to or to the order of the Corporation, in an amount equal to $0.01 (or price as adjusted) in respect of each Common Share to be issued. 
 In the event of a Net Issue Exercise as set forth in Section 3 of the Warrant Certificate, include the following information: (i) the manner of payment,
(ii) a calculation showing the number of Common Shares with respect to which purchase rights are being exercised thereunder and (iii) the net number of shares to be issued after giving effect to such surrender, as set forth in
Section 3, pursuant to the following formula: 
  

									
		 	X	 	=	 	Y(A-B)	  	
	 	 		 	A	  	

 The undersigned hereby acknowledges that it is aware that the Common Shares received on exercise may be subject to
restrictions on resale under applicable securities legislation. 
 The undersigned hereby irrevocably directs that the said Common Shares be issued,
registered and delivered as follows: 
  

					
	 Name(s) in Full
	 	 Address(es) in Full, Account No., S.I.N.
	 	 Number(s) of Common Shares

			
	  
	 	  
	 	  

	  
	 	  
	 	  

 (Please print full name in which certificates for Common Shares are to be issued. If any securities are to be
issued to a person or persons other than the holder, the holder must pay to the Corporation all exigible transfer taxes or other government charges and sign the Form of Transfer.) 
 DATED this      day of             ,            .

  

							
		 	)	 		 	  

		 	)	 		 	Signature of Registered Holder
	  
	 	)	 		 	  

	Witness	 	)	 		 	Name of Registered Holder

  

			
	Note:	  	The name of the Registered Holder of this Notice of Exercise must be the same as the name appearing on the face page of the Warrant Certificate to which this Schedule is
attached.
		
	 ̈	  	Please check if the Common Share certificates are to be delivered at the office where this Warrant Certificate is surrendered, failing which such certificates will be mailed.
		
		  	Certificates will be delivered or mailed as soon as practicable after the due surrender of this Warrant Certificate to which this Appendix is attached.

 If this Notice of Exercise is delivered by hand, by mail or by facsimile: World Heart Corporation, 7799 Pardee
Lane, Oakland CA 94621, Facsimile:             , Attention: Chief Financial Officer. 
 DATED this      day              of             , 200    .

  

 APPENDIX 1 
 FORM OF TRANSFER 
 Any transfer of the Warrant will require compliance with applicable securities
legislation. Transferors and transferees are urged to contact legal counsel before effecting any such transfers. 
 FOR VALUE RECEIVED the undersigned
hereby sells, assigns and transfers to 
  

					
	Name:	 	  
	 	
			
	 Address:
	 	  
	 	
			
		 	  
	 	

 its Warrant to purchase              of the
Common Shares of World Heart Corporation (“the Corporation”) registered in the name of the undersigned on the records of the Corporation maintained by the Corporation represented by the attached Warrant Certificate and does hereby appoint
as its attorney with full power of a substitution to transfer the Warrant on the appropriate register of the Corporation. 
 The undersigned confirms that
the transfers are made in compliance with all applicable securities legislation and requirements of regulatory authorities including without limitation any undertaking given to the Toronto Stock Exchange. 
 If the sale evidenced hereby is being made to a U.S. Person (as such term is defined in Regulation S to the United States Securities Act of 1933 (the “1933
Act”)), the undersigned by the execution of this form of transfer hereby certifies that such sale does not require registration of the Warrant being transferred hereby under the 1933 Act and tenders herewith evidence satisfactory to the
Corporation to such effect. 
 DATED this      day
             of             ,            .

  

							
		 	)	 		 	  

	  
	 	)	 		 	Signature of Transferor
		 	)	 		 	  

		 	)	 		 	Name of Transferor
	Signature of Transferor must be guaranteed by a Canadian chartered bank, a major Canadian trust company or by a Medallion signature guarantee from a member of a recognized signature Medallion
programLong Term Stock Grant

 WM. WRIGLEY JR. COMPANY 
 LONG TERM STOCK GRANT PROGRAM 
 (As Amended and Restated Effective
January 1, 2008) 
 Incorporated into and adopted under the Wm. Wrigley Jr. Company 1997 Management Incentive Plan, 2007 Management
Incentive Plan, and any successor thereto 
 This Long Term Stock Grant Program (the “Program”) is hereby amended and restated,
effective as of January 1, 2008, as set forth herein, and as amended will be integrated into and become a part of the 1997 Management Incentive Plan, as amended, the 2007 Management Incentive Plan, as amended, or any successor thereto (the
“MIP”). 
 A. PURPOSES 
 The Program is
designed to enable eligible executives of the Wm. Wrigley Jr. Company (the “Company”) to share in the future success of the Company’s business by providing them an opportunity to earn shares of the Common Stock of the Company (the
“Common Stock”), through the award of stock grants (“Grants” or “Long Term Stock Grants”) contingent upon achieving certain performance measures and to defer all or any portion of such Grants pursuant to the
Company’s Executive Compensation Deferral Program (the “Deferral Program”). Inasmuch as the executives eligible to receive Grants under the Program are those in positions to make significant and direct contributions to the success of
the Company, the Program is intended, accordingly, to promote a closer identity of interests between eligible employees and stockholders. 
 B. STOCK GRANT
TERMS AND CONDITIONS 
 1. Eligibility and Participation 
 All elected officers and other key employees who are considered by the Compensation Committee (the “Committee” or the
“Compensation Committee”) of the Board of Directors of the Company (the “Board” or the “Board of Directors”) to have a significant impact on the business of the Company are eligible to be designated as participants
(“Participants”) and to receive Long Term Stock Grants under the Program. 
 2. Stock Grant Awards and Award Cycles 
 The Committee shall, from time to time, in its sole discretion, establish such grant cycles (the “Grant Cycles”) for the Program
as it deems appropriate. In connection with each such Grant Cycle, the Committee shall designate those employee groups eligible to receive Long Term Stock Grants with respect to such Grant Cycle and the number of target shares awarded to each such
Participant (“Target Shares”). 
  

 3. Earning Awards 
 Subject to Section 3(d) below, the extent to which Grants under the Long Term Stock Grant Program are earned is determined pursuant to the two performance criteria described in Sections 3(a) and (b), both based
on total shareholder return (“TSR”) of the Common Stock, as determined in accordance with Section 3(c): 
 (a)
Wrigley TSR. With respect to each Grant Cycle, the Committee shall prescribe a Measurement Period, which shall consist of all or any portion of the Grant Cycle. If the TSR of the Company’s Common Stock for the Measurement Period
prescribed for a particular Grant Cycle is less than or equal to zero, all Long Term Stock Grants with respect to such Grant Cycle shall be forfeited and be of no force or effect. 
 (b) TSR Peer Group Ranking. Subject to Section 3(a), the portion of
each Long Term Stock Grant that is earned during a Grant Cycle shall be determined by multiplying (i) the number of the Participant’s Target Shares granted with respect to such Grant Cycle by (ii) a percentage, not to exceed 200%, set
forth in a schedule established by the Committee for such Grant Cycle and based on the percentile ranking of the TSR of the Common Stock during such Grant Cycle when compared to the TSR during such Grant Cycle of the common stock of the corporations
included in a comparative group designated by the Committee (the “Comparative Group”); provided however, that if the TSR of the Common Stock ranks below the 40th percentile among the corporations in the Comparative Group,
then all Long Term Stock Grants with respect to such Grant Cycle shall be forfeited and be of no force or effect. 
 (c)
Determination of TSR. The TSR of the Common Stock and the TSR of the stock of each corporation included in the Comparative Group shall be equal to the appreciation of such stock plus reinvested dividends during the applicable Measurement
Period. For purposes of determining the amount of a stock’s appreciation, the initial value of such stock shall be equal to the average daily closing price of such stock on the principal exchange on which such stock is traded during the 30-day
period immediately preceding the first day of the Measurement Period, and the final value shall be equal to the average daily closing price of such stock on such exchange during the 30-day period immediately preceding the last day of such
Measurement Period. 
 (d) Committee Approval. Notwithstanding any other provision of the Program to the contrary, if
the Committee, in its sole discretion, determines that it is appropriate to do so, the Committee may cancel all or any portion of any Grant made hereunder, at any time until the expiration of 90 days after the end of the Grant Cycle to which such
Grant relates, unless the Committee elects to shorten such period. 
 4. Award of Stock Grants Earned 
 (a) Issuance of Shares. Within the 2 1/2 month period following the end of each Grant Cycle, the Committee shall determine the number of shares that have been earned by
each Participant pursuant to Section 3 above and at that time, or such later time at which the vesting conditions, if any, pursuant to Section 4(c) have been satisfied by such Participant, such earned and vested shares that the Participant
has not elected to defer pursuant to the Deferral 

  

 2 

 
Program shall be issued to such Participant without further restriction; provided, however, that such shares shall not be transferred by such
Participant during such period as may be needed to comply with minimum share ownership requirements as may be established by the Committee. A Participant shall have no rights to any shares of Common Stock or dividends thereon until such shares are
earned pursuant to Section 3 above, vested in accordance with Section 4(c) and issued to such Participant by the Company. 
 (b) Termination of Employment During Grant Cycle. If a Participant terminates employment for reasons other than death, Disability, or Retirement prior to the end of a Grant Cycle, the Long Term Stock Grant awarded to that Participant
with respect to such Grant Cycle shall be forfeited and be of no further force and effect and any deferral election under the Deferral Program to the extent it relates to such Grant Cycle shall have no force and effect. Participants who terminate
employment for reasons of death, Disability or Retirement after commencement of a Grant Cycle shall be awarded a proportionate distribution of any shares otherwise earned with respect to such Grant Cycle based upon their length of service in the
Grant Cycle. 
 (c) Commencement of Participation During Grant Cycle. Participants who commence participation after the
beginning of a Grant Cycle shall be awarded a distribution of any shares otherwise earned with respect to such Grant Cycle. Any shares of Common Stock earned with respect to a Grant Cycle that began three or more years prior to a participant’s
commencement of participation in the Program shall not be issued to the participant and shall be subject to forfeiture upon the participant’s termination of employment with the Company until the earliest to occur of (i) the
participant’s continuous employment with the Company through the second anniversary of the last day of such Grant Cycle, (ii) the Participant’s death, Disability or Retirement, or (iii) the occurrence of a Change in Control (as
defined in the MIP). 
 (d) Change in Control. Notwithstanding any other provision of this Section 4 to the
contrary, in the event of a Change in Control after commencement of a Grant Cycle, Participants shall be awarded a proportionate distribution of any shares otherwise earned with respect to such Grant Cycle based upon their length of service in the
Grant Cycle. 
 (e) Definitions. For purposes of the Program, 
  

	 	(i)	the term “Disability” shall have the meaning specified in any long-term disability plan or arrangement maintained by the Company or, if no such plan or arrangement is then
in effect, as determined by the Committee; 

  

	 	(ii)	the term “Retirement” shall mean retirement from the employment of the Company on or after attaining 55 years of age and completing at least five years of employment with
the Company; and 

  

	 	(iii)	references to employment with the Company shall include employment with any subsidiary of the Company. 

  

 3 

 5. Deferral of Grants 
 Participants may elect to defer the receipt of any portion of their Long Term Stock Grants in accordance with the terms of the Deferral Program. 
 6. Settlement of Grants to Participants in China and Russia. 
 If a Participant is employed in the People’s Republic of China or Russia at the time such Participant’s Grant is settled, the Company may, in its sole discretion, settle such Grant either by issuing shares
of Common Stock in accordance with Section 4 hereof, to the extent permitted by applicable law, or by a cash payment in an amount equal to the fair market value of such shares. 
 C. SECTION 162(m) 
 Notwithstanding any other provision of the Program to the contrary, and solely with
respect to those Grants intended to comply with section 162(m) (“Section 162(m)”) of the Internal Revenue Code of 1986, as amended, such Grants shall be granted and administered in accordance with the MIP. To this end: (1) each Grant
Cycle shall be deemed to be a performance period, (2) Grants shall not exceed the limit established for long-term incentive awards pursuant to the MIP, (3) for each Grant Cycle, the Committee shall establish the applicable Performance
Goals (as defined in the MIP) within the time required pursuant to Section 162(m), and (4) no Grant shall be awarded or credited, unless otherwise determined by the Committee, until achievement of the applicable Performance Goals have been
certified by the Committee. 
  

 4

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