Document:

Form of Preferred Stock Warrant

 Exhibit 4.4 
 FORM OF PREFERRED STOCK WARRANT 
  
  
 NEITHER THIS WARRANT NOR THE SECURITIES ISSUABLE
UPON EXERCISE OF THIS WARRANT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. NO SALE OR DISPOSITION MAY BE EFFECTED EXCEPT IN COMPLIANCE WITH RULE 144 UNDER SAID ACT OR WITHOUT AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO
OR AN OPINION OF COUNSEL FOR THE HOLDER, SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE ACT OR RECEIPT OF A NO-ACTION LETTER FROM THE SECURITIES AND EXCHANGE COMMISSION. 
 WARRANT TO PURCHASE                  SHARES OF
SERIES C PREFERRED STOCK 
  

			
	Dated:	  	                         ___, _____

 THIS CERTIFIES THAT, for value received, Oxford Finance Corporation, (“Holder”) is entitled
to subscribe for and purchase                              shares of the fully paid and nonassessable Series
C Preferred Stock (the “Shares” or the “Preferred Stock”) of Tengion, Inc., a Delaware corporation (the “Company”), at the Warrant Price (as hereinafter defined), subject to the provisions and upon the terms and
conditions hereinafter set forth. As used herein, the term “Series C Preferred Stock” shall mean the Company’s presently authorized Series C Preferred Stock, and any stock into which such Series C Preferred Stock may hereafter be
exchanged. 
 1. Warrant Exercise Price. The Warrant Price shall initially be One and 82/100 dollars ($1.82) per share, subject to adjustment as
provided in Section 7 below. 
 2. Conditions to Exercise. The purchase right represented by this Warrant may be exercised at any time, or
from time to time, in whole or in part during the term commencing on the date hereof and ending on the earlier of: 
  

	 	(a)	5:00 P.M. Eastern Standard time on the eighth annual anniversary of this Warrant Agreement; or 

  

	 	(b)	the earlier termination of this Warrant pursuant to Section 3(e). 

 In the event that, although the Company shall have given notice of a transaction pursuant to subparagraph (b) hereof, the transaction does not close within 60 days of the day specified by the
Company, unless otherwise elected by the Holder, any exercise of the Warrant subsequent to the giving of such notice shall be rescinded and the Warrant shall again be exercisable until terminated in accordance with this Paragraph 2. 
 3. Method of Exercise; Payment; Issuance of Shares; Issuance of New Warrant. 
  

	 	(a)	Cash Exercise. Subject to Section 2 hereof, the purchase right represented by this Warrant may be exercised by the Holder hereof, in whole or in part, by
the surrender of this Warrant (properly endorsed and with a duly executed Notice of Exercise in the form attached hereto) at the principal office of the Company (as set forth in Section 16 below) and by payment to the Company by cash, certified
or official bank check payable to the order of the Company, or wire transfer of funds to the Company’s account, of an amount equal to the then applicable Warrant Price per share multiplied by the number of shares then being purchased. In the
event of any exercise of the rights represented by this Warrant, certificates for the shares of stock so purchased shall be in the name of, and delivered to, the Holder hereof, or as such Holder may direct (subject to the terms of transfer contained
herein and upon payment by such Holder hereof of any applicable transfer taxes). Such delivery shall be made within 10 days after exercise of the Warrant and at the Company's expense and, unless this Warrant has been fully exercised or expired, a
new Warrant having terms and conditions substantially identical to this Warrant and representing the portion of the Shares, if any, with respect to which this Warrant shall not have been exercised, shall also be issued to the Holder hereof within 10
days after exercise of the Warrant. 

  

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 PREFERRED STOCK WARRANT 
  
  
  

	 	(b)	Net Issue Exercise. Notwithstanding any provision herein to the contrary, if the Fair Market Value (as defined below) is greater than the Warrant Exercise Price,
in lieu of exercising this Warrant pursuant to Section 3(a), Holder may elect to receive shares equal to the value of this Warrant (or of any portion thereof remaining unexercised) by surrender of this Warrant at the principal office of the
Company together with notice of such election, in which event the Company shall issue to Holder the number of shares of the Company’s Series C Preferred Stock computed using the following formula: 

 X = Y (A-B) 
               A 
 Where X = the
number of shares of Series C Preferred Stock to be issued to Holder. 
 Y = the number of shares of Series C Preferred Stock
purchasable under this 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 Fair Market Value of one share of the Company’s Series C Preferred Stock (at the date of such calculation). 
 B = Warrant Exercise Price (as adjusted to the date of such calculation). 
  

	 	(c)	Fair Market Value. For purposes of this Section 3, Fair Market Value of one share of the Company’s Series C Preferred Stock shall mean:

  

	 	(i)	If the Common Stock is traded Over-The-Counter or Nasdaqor on any other exchange, the per share Fair Market Value for the Series C Preferred Stock will be the average
of the closing bid and asked prices of the Common Stock quoted in the Over-The-Counter Market Summary or the closing price quoted on Nasdaq or any other exchange on which the Common Stock is listed, whichever is applicable, as published in the
[Western] Edition of The Wall Street Journal for the ten (10) trading days prior to the date of determination of Fair Market Value multiplied by the number of shares of Common Stock into which each share of Series C Preferred Stock is then
convertible; or 

  

	 	(ii)	In the event of an exercise in connection with a merger, acquisition or other consolidation in which the Company is not the surviving entity, the per share Fair Market
Value for the Series C Preferred Stock shall be the value to be received per share of Series Preferred Stock by all Holders of the Series C Preferred Stock in such transaction as determined by the Board of Directors; or 

  

	 	(iii)	In any other instance, the per share Fair Market Value for the Series C Preferred Stock shall be as determined in good faith by the Company’s Board of Directors.

  

	 	(d)	Automatic Exercise. To the extent this Warrant is not previously exercised, it shall be automatically exercised in accordance with Sections 3(b) and 3(c) hereof
(even if not surrendered) immediately before its expiration. 

  

	 	(e)	Treatment of Warrant Upon Acquisition of Company. 

  

	 	(i)	 Upon the written request of the Company, Holder agrees that, in the event of an Acquisition (as defined below) in which the sole consideration is cash,
either (a) Holder shall exercise its conversion or purchase right under this Warrant and such exercise will be deemed effective immediately prior to the consummation of such Acquisition or (b) if Holder elects not to exercise the Warrant,
this Warrant will expire upon the consummation of such Acquisition.

  

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 PREFERRED STOCK WARRANT 
  
  
  

	 	 
The Company shall provide the Holder with written notice of its request relating to the foregoing, which is to be delivered to Holder not less than ten (10) days prior to the closing of the
proposed Acquisition. 

  

	 	(ii)	Upon written request of the Company, Holder agrees that, in the event of a stock for stock Acquisition of the Company if, on the record date for the Acquisition, the
fair market value of the Shares (or other securities issuable upon exercise of this Warrant) is equal to or greater than three (3x) times the Warrant Price, Company may require the Warrant to be deemed automatically exercised in its entirety
and the Holder shall participate in the Acquisition as a holder of the Shares (or other securities issuable upon exercise of the Warrant) on the same terms as other holders of the same class of securities of the Company. 

  

	 	(iii)	Upon the closing of any Acquisition other than those particularly described in subsections (i) or (ii) above, the successor entity shall assume the
obligations of the Warrant, and the Warrant shall be exercisable for the same securities, cash, and property as would be payable for the Shares issuable upon exercise of the unexercised portion of this Warrant as if such Shares were outstanding on
the record date for the Acquisition and subsequent closing. The Warrant Price and/or number of Shares shall be adjusted accordingly. 

  

	 	(iv)	For the purpose of this Warrant, “Acquisition” means any sale, license, or other disposition of all or substantially all of the assets of the Company, or any
reorganization, consolidation, or merger of the Company where the holders of the Company’s securities before the transaction beneficially own less than 50% of the outstanding voting securities of the surviving entity after the transaction,
other than in connection with an initial public offering. 

 4. Representations and Warranties of Holder and Restrictions on
Transfer Imposed by the Securities Act of 1933. 
  

	 	(a)	Representations and Warranties by Holder. The Holder represents and warrants to the Company with respect to this purchase as follows: 

 

	 	(i)	The Holder has substantial experience in evaluating and investing in private placement transactions of securities of companies similar to the Company so that the Holder
is capable of evaluating the merits and risks of its investment in the Company and has the capacity to protect its interests. 

  

	 	(ii)	The Holder is acquiring the Warrant and the Shares of Series C Preferred Stock issuable upon exercise of the Warrant (collectively the “Securities”) for
investment for its own account and not with a view to, or for resale in connection with, any distribution thereof. The Holder understands that the Securities have not been registered under the Securities Act of 1933, as amended (the “Act”)
by reason of a specific exemption from the registration provisions of the Act, which depends upon, among other things, the bona fide nature of the investment intent as expressed herein. In this connection, the Holder understands that, in the view of
the Securities and Exchange Commission (the “SEC”), the statutory basis for such exemption may be unavailable if this representation was predicated solely upon a present intention to hold the Securities for the minimum capital gains period
specified under tax statutes, for a deferred sale, for or until an increase or decrease in the market price of the Securities or for a period of one year or any other fixed period in the future. 

  

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 PREFERRED STOCK WARRANT 
  
  
  

	 	(iii)	The Holder acknowledges that the Securities must be held indefinitely unless subsequently registered under the Act or an exemption from such registration is available.
The Holder is aware of the provisions of Rule 144 promulgated under the Act (“Rule 144”) which permits limited resale of securities purchased in a private placement subject to the satisfaction of certain conditions, including, in case the
securities have been held for more than one but less than two years, the existence of a public market for the shares, the availability of certain public information about the Company, the resale occurring not less than one year after a party has
purchased and paid for the security to be sold, the sale being through a “broker’s transaction” or in a transaction directly with a “market maker” (as provided by Rule 144(f)) and the number of shares or other securities
being sold during any three-month period not exceeding specified limitations. 

  

	 	(iv)	The Holder further understands that at the time the Holder wishes to sell the Securities there may be no public market upon which such a sale may be effected, and that
even if such a public market exists, the Company may not be satisfying the current public information requirements of Rule 144, and that in such event, the Holder may be precluded from selling the Securities under Rule 144 unless a) a one-year
minimum holding period has been satisfied and b) the Holder was not at the time of the sale nor at any time during the three-month period prior to such sale an affiliate of the Company. 

  

	 	(v)	The Holder has had an opportunity to discuss the Company’s business, management and financial affairs with its management and an opportunity to review the
Company’s facilities. The Holder understands that such discussions, as well as the written information issued by the Company, were intended to describe the aspects of the Company’s business and prospects which it believes to be material
but were not necessarily a thorough or exhaustive description. 

  

	 	(vi)	The Holder is an “accredited investor” as such term is defined in Rule 501 of Regulation D promulgated under the Act. 

  

	 	(b)	Legends. Each certificate representing the Securities shall be endorsed with the following legend: 

 THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE TRANSFERRED UNLESS COVERED BY AN
EFFECTIVE REGISTRATION STATEMENT UNDER SAID ACT, A “NO ACTION” LETTER FROM THE SECURITIES AND EXCHANGE COMMISSION WITH RESPECT TO SUCH TRANSFER, A TRANSFER MEETING THE REQUIREMENTS OF RULE 144 OF THE SECURITIES AND EXCHANGE COMMISSION, OR
(IF REASONABLY REQUIRED BY THE COMPANY) AN OPINION OF COUNSEL SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY SUCH TRANSFER IS EXEMPT FROM SUCH REGISTRATION. 
 The Company need not enter into its stock register a transfer of Securities unless the conditions specified in the foregoing legend are satisfied. The Company may also instruct its transfer agent not to
register the transfer of any of the Shares unless the conditions specified in the foregoing legend are satisfied. 
  

	 	(c)	Removal of Legend and Transfer Restrictions. The legend relating to the Act endorsed on a certificate pursuant to paragraph 4(b) of this Warrant and the stop
transfer instructions with respect to the Securities represented by such certificate shall be removed and the Company shall issue a certificate without such legend to the Holder of the Securities if (i) the Securities are registered under the
Act and a prospectus meeting the requirements of Section 10 of the Act is available or (ii) the Holder provides to the Company an opinion of counsel for the Holder reasonably satisfactory to the Company, or a no-action letter or
interpretive opinion of the staff of the SEC reasonably satisfactory to the Company, to the effect that public sale, transfer or assignment of the Securities may be made without registration and without compliance with any restriction such as Rule
144. 

  

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 PREFERRED STOCK WARRANT 
  
  
  

 5. Condition of Transfer or Exercise of Warrant. It shall be a condition to any transfer or
exercise of this Warrant that at the time of such transfer or exercise, the Holder shall provide the Company with a representation in writing that the Holder or transferee is acquiring this Warrant and the shares of Series C Preferred Stock to be
issued upon exercise, for investment purposes only and not with a view to any sale or distribution, or will provide the Company with a statement of pertinent facts covering any proposed distribution. As a further condition to any transfer of this
Warrant or any or all of the shares of Series C Preferred Stock issuable upon exercise of this Warrant, other than a transfer registered under the Act, the Company must have received a legal opinion, in form and substance satisfactory to the Company
and its counsel, reciting the pertinent circumstances surrounding the proposed transfer and stating that such transfer is exempt from the registration and prospectus delivery requirements of the Act. Each certificate evidencing the shares issued
upon exercise of the Warrant or upon any transfer of the shares (other than a transfer registered under the Act or any subsequent transfer of shares so registered) shall, at the Company’s option, contain a legend in form and substance
satisfactory to the Company and its counsel, restricting the transfer of the shares to sales or other dispositions exempt from the requirements of the Act. 
 As further condition to each transfer, the Holder shall surrender this Warrant to the Company and the transferee shall receive and accept a Warrant, of like tenor and date, executed by the Company.

 6. Stock Fully Paid; Reservation of Shares. All Shares which may be issued upon the exercise of the rights represented by this Warrant
will, upon issuance, be fully paid and nonassessable, and free from all taxes, liens, and charges with respect to the issue thereof. During the period within which the rights represented by this Warrant may be exercised, the Company will at all
times have authorized, and reserved for issuance upon exercise of the purchase rights evidenced by this Warrant, a sufficient number of shares of its Series C Preferred Stock to provide for the exercise of the rights represented by this Warrant.

 7. (a) Adjustment for Certain Events. In the event of changes in the outstanding Series C Preferred Stock by reason of stock
dividends, split-ups, recapitalizations, reclassifications, mergers, consolidations, combinations or exchanges of shares, separations, reorganizations, liquidations, or the like, the number and class of shares available under the Warrant in the
aggregate and the Warrant Price shall be correspondingly adjusted, as appropriate, by the Board of Directors of the Company. The adjustment shall be such as will give the Holder of this Warrant upon exercise for the same aggregate Warrant Price the
total number, class and kind of shares as it would have owned had the Warrant been exercised prior to the event and had it continued to hold such shares until after the event requiring adjustment. 
 (b) Other Antidilution Protections. Additional antidilution rights applicable to the Series C Preferred Stock purchasable hereunder
are as set forth in the Certificate of Incorporation. 
 8. Notice of Adjustments. Whenever any Warrant Price shall be adjusted pursuant
to Section 7 hereof, the Company shall prepare a certificate signed by its chief financial officer setting forth, in reasonable detail, the event requiring the adjustment, the amount of the adjustment, the method by which such adjustment was
calculated, and the Warrant Price and number of shares issuable upon exercise of the Warrant after giving effect to such adjustment, and shall cause copies of such certificate to be mailed (by certified or registered mail, return receipt required,
postage prepaid) within thirty (30) days of such adjustment to the Holder of this Warrant as set forth in Section 16 hereof. 
 9.
Transferability of Warrant. This Warrant is transferable on the books of the Company at its principal office by the registered Holder hereof upon surrender of this Warrant properly endorsed, subject to compliance with Section 5 and
applicable federal and state securities laws. The Company shall issue and deliver to the transferee a new Warrant representing the Warrant so transferred. Upon any partial transfer, the Company will issue and deliver to Holder a new Warrant with
respect to the Warrant not so transferred. Holder shall not have any right to transfer any portion of this Warrant to any direct competitor of the Company. 
  

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 PREFERRED STOCK WARRANT 
  
  
  

 10. Investor Rights and Stockholder Rights. Upon the exercise of this Warrant for any or all of
the Shares, the Holder hereby agrees to become a party to each of (i) that certain Second Amended and Restated Investor Rights Agreement dated as of September 24, 2007 by and among the Company and certain of its stockholders, as amended
from time to time, and (ii) that Second Amended and Restated Stockholder’s Agreement, dated as of September 24, 2007, by and among the Company and certain of its stockholders, as amended from time to time; provided, however, that only
those Shares actually acquired pursuant to exercise of the Warrant hereunder shall be subject to such agreements. 
 11. No Fractional
Shares. No fractional share of Series C Preferred Stock will be issued in connection with any exercise hereunder, but in lieu of such fractional share the Company shall make a cash payment therefor upon the basis of the Warrant Price then in
effect. 
 12. Charges, Taxes and Expenses. Issuance of certificates for shares of Series C Preferred Stock upon the exercise of this
Warrant shall be made without charge to the Holder for any United States or state of the United States documentary stamp tax or other incidental expense with respect to the issuance of such certificate, all of which taxes and expenses shall be paid
by the Company, and such certificates shall be issued in the name of the Holder. 
 13. No Shareholder Rights Until Exercise. This
Warrant does not entitle the Holder hereof to any voting rights or other rights as a shareholder of the Company prior to the exercise hereof. 
 14. Loss, Theft, Destruction or Mutilation of Warrant. Upon receipt by the Company of evidence reasonably satisfactory to it of the loss, theft, destruction or mutilation of this Warrant, and, in the case of loss, theft, or
destruction, of indemnity reasonably satisfactory to it, and, if mutilated, upon surrender and cancellation of this Warrant, the Company will execute and deliver a new Warrant, having terms and conditions substantially identical to this Warrant, in
lieu hereof. 
 15. Miscellaneous. 
  

	 	(a)	Issue Date. The provisions of this Warrant shall be construed and shall be given effect in all respect as if it had been issued and delivered by the Company on
the date hereof. 

  

	 	(b)	Successors. This Warrant shall be binding upon any successors or assigns of the Company. 

  

	 	(c)	Governing Law. This Warrant shall be governed by and construed in accordance with the laws of the State of Delaware, without giving effect to its conflicts of
law principles. 

  

	 	(d)	Headings. The headings used in this Warrant are used for convenience only and are not to be considered in construing or interpreting this Warrant.

  

	 	(e)	Saturdays, Sundays, Holidays. If the last or appointed day for the taking of any action or the expiration of any right required or granted herein shall be a
Saturday or a Sunday or shall be a legal holiday in the State of Delaware, then such action may be taken or such right may be exercised on the next succeeding day not a legal holiday. 

 16. No Impairment. No Impairment. The Company will at all times in good faith assist in the carrying out of the terms of the Warrants and in the
taking of all commercially reasonable action as may be necessary or appropriate to protect the rights of the Holder(s) hereunder. 
 17.
Addresses. Any notice required or permitted hereunder shall be in writing and shall be mailed by overnight courier, registered or certified mail, return receipt required, and postage pre-paid, or otherwise delivered by hand or by messenger,
addressed as set forth below, or at such other address as the Company or the Holder hereof shall have furnished to the other party. 
  

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 PREFERRED STOCK WARRANT 
  
  
  

			
	If to the Company:	  	Tengion, Inc.
		  	2900 Potshop Lane
		  	Suite 100
		  	East Norriton, PA 19403
		  	Attn: Gary Smith, Esq.
		
	If to the Holder:	  	Oxford Finance Corporation
		  	133 N. Fairfax Street
		  	Alexandria, VA 22314
		  	Attn: Chief Financial Officer

 IN WITNESS WHEREOF, Tengion, Inc. has caused this Warrant to be executed by its officers thereunto
duly authorized. 
 Dated as of
                        . 
  

			
	 By:
	 	 
		
	 Name:
	 	
		
	 Title:
	 	

  

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 PREFERRED STOCK WARRANT 
  
  
  

 NOTICE OF EXERCISE 
  

	TO:	Tengion, Inc. 

	 	2900 Potshop Lane 

	 	Suite 100 

	 	East Norriton, PA 19403 

	 	Attn: Gary Smith, Esq. 

 1. The undersigned
Warrantholder (“Holder”) elects to acquire shares of the Series C Preferred Stock (the “Preferred Stock”) of Tengion, Inc., a Delaware corporation, (the “Company”), pursuant to the terms of the Stock Purchase Warrant
dated October             ,2007, (the “Warrant”). 
 2. The Holder
exercises its rights under the Warrant as set forth below: 
  

	 	(    )	The Holder elects to purchase              shares of Series C Preferred Stock as provided in
Section 3(a) and tenders herewith cash, certified or official bank check payable to the order of the Company or wire transfer of funds to the Company in the amount of $     as payment of the purchase price.

  

	 	(    )	The Holder elects to convert the purchase rights into shares of Series C Preferred Stock as provided in Section 3(b) of the Warrant. 

 3. The Holder surrenders the Warrant with this Notice of Exercise. 
 4. The Holder represents that it is acquiring the aforesaid shares of Series C Preferred Stock for investment and not with a view to, or for resale in connection with, distribution and that the Holder has
no present intention of distributing or reselling the shares. 
 5. Please issue a certificate representing the shares of the Series C Preferred
Stock in the name of the Holder or in such other name as is specified below: 
 Name: 
 Address: 
 Taxpayer I.D.: 
  

			
	Oxford Finance Corporation
		
	 By:
	 	 
		
	 Name:
	 	
		
	 Title:
	 	

  

 Page 8 of 8Form of Preferred Stock Warrant

 Exhibit 4.5 
 THIS WARRANT HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED OR ANY STATE SECURITIES LAWS. NO SALE OR DISPOSITION MAY BE EFFECTED WITHOUT (i) EFFECTIVE REGISTRATION STATEMENTS
RELATED THERETO, (ii) AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATIONS ARE NOT REQUIRED, (iii) RECEIPT OF NO-ACTION LETTERS FROM THE APPROPRIATE GOVERNMENTAL AUTHORITIES, OR
(iv) OTHERWISE COMPLYING WITH THE PROVISIONS OF SECTION 7 OF THIS WARRANT. 
 TENGION, INC. 
 FORM OF WARRANT TO PURCHASE UP TO              SHARES 
 OF SERIES C PREFERRED STOCK 
 THIS CERTIFIES THAT, for value received, HORIZON TECHNOLOGY FUNDING COMPANY II LLC and its assignees are entitled to subscribe for and purchase up to              shares of the
fully paid and nonassessable Series C Preferred Stock (as adjusted pursuant to Section 4 hereof, the “Shares”) of TENGION, INC., a Delaware corporation (the “Company”), at the price of
$             per share (such price and such other price as shall result, from time to time, from the adjustments specified in Section 4 hereof is herein referred to as the
“Warrant Price”), subject to the provisions and upon the terms and conditions hereinafter set forth. As used herein, (a) the term “Series Preferred” shall mean the Company’s presently authorized Series C Preferred
Stock, and any stock into or for which such Series C Preferred Stock may hereafter be converted or exchanged, and after the automatic conversion of the Series C Preferred Stock to Common Stock shall mean the Company’s Common Stock, (b) the
term “Date of Grant” shall mean                         , and (c) the term “Other Warrants” shall mean
any other warrants issued by the Company in connection with the transaction with respect to which this Warrant was issued, and any warrant issued upon transfer or partial exercise of or in lieu of this Warrant. The term “Warrant” as used
herein shall be deemed to include Other Warrants unless the context clearly requires otherwise. 
 1. Term. The purchase
right represented by this Warrant is exercisable, in whole or in part, at any time and from time to time from the Date of Grant through the later of (i) ten (10) years after the Date of Grant or (ii) five (5) years after the
closing of the Company’s initial public offering of its Common Stock (“IPO”) effected pursuant to a Registration Statement on Form S-1 (or its successor) filed under the Securities Act of 1933, as amended (the
“Act”). 
 2. Method of Exercise; Payment; Issuance of New Warrant. Subject to Section 1 hereof, the
purchase right represented by this Warrant may be exercised by the holder hereof, in whole or in part and from time to time, at the election of the holder hereof, by (a) the surrender of this Warrant (properly endorsed and with the notice of
exercise substantially in the form attached hereto as Exhibit A-1 duly completed and executed) at the principal office of the Company and by the payment to the Company, by certified or bank check, or by wire transfer to an account designated by
the Company of an amount equal to the then applicable Warrant Price multiplied by the number of Shares then being purchased or (b) exercise of the “net issuance” right provided for in Section 10.2

 
hereof. The person or persons in whose name(s) any certificate(s) representing shares of Series Preferred shall be issuable upon exercise of this Warrant shall be deemed to have become the
holder(s) of record of, and shall be treated for all purposes as the record holder(s) of, the shares represented thereby (and such shares shall be deemed to have been issued) immediately prior to the close of business on the date or dates upon which
this Warrant is exercised. In the event of any exercise of the rights represented by this Warrant, certificates for the shares of stock so purchased shall be delivered to the holder hereof as soon as possible and in any event within thirty
(30) days after such exercise and, unless this Warrant has been fully exercised or expired, a new Warrant representing the portion of the Shares, if any, with respect to which this Warrant shall not then have been exercised shall also be issued
to the holder hereof as soon as possible and in any event within such thirty-day period; provided, however, at such time as the Company is subject to the reporting requirements of the Securities Exchange Act of 1934, as amended, if requested by
the holder of this Warrant, the Company shall cause its transfer agent to deliver the certificate representing Shares issued upon exercise of this Warrant to a broker or other person (as directed by the holder exercising this Warrant) within the
time period required to settle any trade made by the holder after exercise of this Warrant. 
 3. Stock Fully Paid;
Reservation of Shares. All Shares that may be issued upon the exercise of the rights represented by this Warrant will, upon issuance pursuant to the terms and conditions herein, be fully paid and nonassessable, and free from all liens, charges,
restrictions, claims and encumbrances imposed by or through the Company except as set forth in the Company Agreements (as defined in Section 9 below) or applicable federal and state securities law with respect to the issue thereof. During the
period within which the rights represented by this Warrant may be exercised, the Company will at all times have authorized, and reserved for the purpose of the issue upon exercise of the purchase rights evidenced by this Warrant, a sufficient number
of shares of its Series Preferred to provide for the exercise of the rights represented by this Warrant and a sufficient number of shares of its Common Stock to provide for the conversion of the Series Preferred into Common Stock. 
 4. Adjustment of Warrant Price and Number of Shares. The number and kind of securities purchasable upon the exercise of this Warrant
and the Warrant Price shall be subject to adjustment from time to time upon the occurrence of certain events, as follows: 
 (a) Reclassification or Merger. In case of any reclassification or change of securities of the class issuable upon exercise of this Warrant (other than a change in par value, or from par value to
no par value, or from no par value to par value, or as a result of a subdivision or combination), or in case of any merger of the Company with or into another corporation (other than a merger with another corporation in which the Company is the
acquiring and the surviving corporation and which does not result in any reclassification or change of outstanding securities issuable upon exercise of this Warrant), or in case of any sale of all or substantially all of the assets of the Company,
the Company, or such successor or purchasing corporation, as the case may be, shall duly execute and deliver to the holder of this Warrant a new Warrant (in form and substance satisfactory to the holder of this Warrant), so that the holder of this
Warrant shall have the right to receive upon exercise of this Warrant, at a total purchase price not to exceed that payable upon the exercise of the unexercised portion of this Warrant, and in lieu of the shares of Series Preferred theretofore
issuable upon exercise of this Warrant, (i) the kind and amount of shares of stock, other securities, money

  

 -2- 

 
and property receivable upon such reclassification, change, merger or sale by a holder of the number of shares of Series Preferred then purchasable under this Warrant, or (ii) in the case of
such a merger or sale in which the consideration paid consists all or in part of assets other than securities of the successor or purchasing corporation, at the option of the holder of this Warrant, the securities of the successor or purchasing
corporation having a value at the time of the transaction equivalent to the value of the Series Preferred purchasable upon exercise of this Warrant at the time of the transaction. Any new Warrant shall provide for adjustments that shall be as nearly
equivalent as may be practicable to the adjustments provided for in this Section 4. The provisions of this Section 4(a) shall similarly apply to successive reclassifications, changes, mergers and sales. 
 (b) Subdivision or Combination of Shares. If the Company at any time while this Warrant remains outstanding and
unexpired shall subdivide or combine its outstanding shares of Series Preferred, the Warrant Price shall be proportionately decreased and the number of Shares issuable hereunder shall be proportionately increased in the case of a subdivision and the
Warrant Price shall be proportionately increased and the number of Shares issuable hereunder shall be proportionately decreased in the case of a combination. 
 (c) Stock Dividends and Other Distributions. If the Company at any time while this Warrant is outstanding and
unexpired shall (i) pay a dividend with respect to Series Preferred payable in Series Preferred, then the Warrant Price shall be adjusted, from and after the date of determination of shareholders entitled to receive such dividend or
distribution, to that price determined by multiplying the Warrant Price in effect immediately prior to such date of determination by a fraction (A) the numerator of which shall be the total number of shares of Series Preferred outstanding
immediately prior to such dividend or distribution, and (B) the denominator of which shall be the total number of shares of Series Preferred outstanding immediately after such dividend or distribution; or (ii) make any other distribution
with respect to Series Preferred (except any distribution specifically provided for in Sections 4(a) and 4(b)), then, in each such case, provision shall be made by the Company such that the holder of this Warrant shall receive upon exercise of
this Warrant a proportionate share of any such dividend or distribution as though it were the holder of the Series Preferred (or Common Stock issuable upon conversion thereof) as of the record date fixed for the determination of the shareholders of
the Company entitled to receive such dividend or distribution. 
 (d) Adjustment of Number of Shares. Upon
each adjustment in the Warrant Price, the number of Shares of Series Preferred purchasable hereunder shall be adjusted, to the nearest whole share, to the product obtained by multiplying the number of Shares purchasable immediately prior to such
adjustment in the Warrant Price by a fraction, the numerator of which shall be the Warrant Price immediately prior to such adjustment and the denominator of which shall be the Warrant Price immediately thereafter. 
 (e) Antidilution Rights. The other antidilution rights applicable to the Shares of Series Preferred purchasable
hereunder are set forth in the Company’s Certificate of Incorporation, as amended through the Date of Grant (the “Charter”). The Company shall promptly provide the holder hereof with any restatement, amendment, modification or waiver
of the Charter promptly after the same has been made. 
  

 -3- 

 5. Notice of Adjustments. Whenever the Warrant Price or the number of Shares
purchasable hereunder shall be adjusted pursuant to Section 4 hereof, the Company shall make a certificate signed by its chief financial officer setting forth, in reasonable detail, the event requiring the adjustment, the amount of the
adjustment, the method by which such adjustment was calculated, and the Warrant Price and the number of Shares purchasable hereunder after giving effect to such adjustment, and shall cause copies of such certificate to be mailed (without regard to
Section 13 hereof, by first class mail, postage prepaid) to the holder of this Warrant. In addition, whenever the conversion price or conversion ratio of the Series Preferred shall be adjusted, the Company shall make a certificate signed by its
chief financial officer setting forth, in reasonable detail, the event requiring the adjustment, the amount of the adjustment, the method by which such adjustment was calculated, and the conversion price or ratio of the Series Preferred after giving
effect to such adjustment, and shall cause copies of such certificate to be mailed (without regard to Section 13 hereof, by first class mail, postage prepaid) to the holder of this Warrant. 
 6. Fractional Shares. No fractional shares of Series Preferred will be issued in connection with any exercise hereunder, but in lieu
of such fractional shares the Company shall make a cash payment therefor based on the fair market value of the Series Preferred on the date of exercise as reasonably determined in good faith by the Company’s Board of Directors. 
 7. Compliance with Act; Disposition of Warrant or Shares of Series Preferred. 
 (a) Compliance with Act. The holder of this Warrant, by acceptance hereof, agrees that this Warrant, and the shares of
Series Preferred to be issued upon exercise hereof and any Common Stock issued upon conversion thereof are being acquired for investment and that such holder will not offer, sell or otherwise dispose of this Warrant, or any shares of Series
Preferred to be issued upon exercise hereof or any Common Stock issued upon conversion thereof except under circumstances which will not result in a violation of the Act or any applicable state securities laws. Upon exercise of this Warrant, unless
the Shares being acquired are registered under the Act and any applicable state securities laws or an exemption from such registration is available, the holder hereof shall confirm in writing that the shares of Series Preferred so purchased (and any
shares of Common Stock issued upon conversion thereof) are being acquired for investment and not with a view toward distribution or resale in violation of the Act and shall confirm such other matters related thereto as may be reasonably requested by
the Company. This Warrant and all shares of Series Preferred issued upon exercise of this Warrant and all shares of Common Stock issued upon conversion thereof (unless registered under the Act and any applicable state securities laws) shall be
stamped or imprinted with a legend in substantially the following form: 
 “THE SECURITIES EVIDENCED HEREBY HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS. NO SALE OR DISPOSITION MAY BE EFFECTED WITHOUT (i) EFFECTIVE REGISTRATION STATEMENTS RELATED THERETO, (ii) AN OPINION OF COUNSEL OR OTHER EVIDENCE, REASONABLY
SATISFACTORY TO THE COMPANY, THAT SUCH REGISTRATIONS ARE NOT REQUIRED,

  

 -4- 

 
(iii) RECEIPT OF NO-ACTION LETTERS FROM THE APPROPRIATE GOVERNMENTAL AUTHORITIES, OR (iv) OTHERWISE COMPLYING WITH THE PROVISIONS OF SECTION 7 OF THE WARRANT UNDER WHICH THESE
SECURITIES WERE ISSUED, DIRECTLY OR INDIRECTLY.” 
 Said legend shall be removed by the Company, upon the request of a
holder, at such time as the restrictions on the transfer of the applicable security shall have terminated. In addition, in connection with the issuance of this Warrant, the holder specifically represents to the Company by acceptance of this Warrant
as follows: 
 (1) The holder is aware of the Company’s business affairs and financial condition, and has
acquired information about the Company sufficient to reach an informed and knowledgeable decision to acquire this Warrant. The holder is acquiring this Warrant for its own account for investment purposes only and not with a view to, or for the
resale in connection with, any “distribution” thereof in violation of the Act. 
 (2) The holder
understands that this Warrant has not been registered under the Act in reliance upon a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of the holder’s investment intent as expressed herein.

 (3) The holder further understands that this Warrant must be held indefinitely unless subsequently registered
under the Act and qualified under any applicable state securities laws, or unless exemptions from registration and qualification are otherwise available. The holder is aware of the provisions of Rule 144, promulgated under the Act. 

(4) The holder is an “accredited investor” as such term is defined in Rule 501 of Regulation D
promulgated under the Act. 
 (b) Disposition of Warrant or Shares. With respect to any offer, sale or
other disposition of this Warrant or any shares of Series Preferred acquired pursuant to the exercise of this Warrant prior to registration of such Warrant or shares, the holder hereof agrees to give written notice to the Company prior thereto,
describing briefly the manner thereof, together with a written opinion of such holder’s counsel, or other evidence, if reasonably satisfactory to the Company, to the effect that such offer, sale or other disposition may be effected without
registration or qualification (under the Act as then in effect or any federal or state securities law then in effect) of this Warrant or such shares of Series Preferred or Common Stock and indicating whether or not under the Act certificates for
this Warrant or such shares of Series Preferred to be sold or otherwise disposed of require any restrictive legend as to applicable restrictions on transferability in order to ensure compliance with such law. Upon receiving such written notice and
reasonably satisfactory opinion or other evidence, the Company, as promptly as practicable but no later than fifteen (15) days after receipt of the written notice, shall notify such holder that such holder may sell or otherwise dispose of this
Warrant or such shares of Series Preferred or Common Stock, all in accordance with the terms of the notice delivered to the Company. If a determination has been made pursuant to this Section 7(b) that the opinion of counsel for the holder or
other evidence is not reasonably satisfactory to the Company, the Company shall so notify the holder promptly with details thereof after such determination has been made. Notwithstanding the foregoing, this Warrant or such shares of Series Preferred
or

  

 -5- 

 
Common Stock may, as to such federal laws, be offered, sold or otherwise disposed of in accordance with Rule 144 or 144A under the Act, provided that the Company shall have been furnished
with such information as the Company may reasonably request to provide a reasonable assurance that the provisions of Rule 144 or 144A have been satisfied. Each certificate representing this Warrant or the shares of Series Preferred thus
transferred (except a transfer pursuant to Rule 144 or 144A) shall bear a legend as to the applicable restrictions on transferability in order to ensure compliance with such laws, unless in the aforesaid opinion of counsel for the holder, such
legend is not required in order to ensure compliance with such laws. The Company may issue stop transfer instructions to its transfer agent in connection with such restrictions. 
 (c) Applicability of Restrictions. Neither any restrictions of any legend described in this Warrant nor the
requirements of Section 7(b) above shall apply to any transfer of, or grant of a security interest in, this Warrant (or the Series Preferred or Common Stock obtainable upon exercise thereof) or any part hereof (i) to a partner of the
holder if the holder is a partnership or to a member of the holder if the holder is a limited liability company, (ii) to a partnership of which the holder is a partner or to a limited liability company of which the holder is a member, or
(iii) to any affiliate of the holder if the holder is a corporation; provided, however, in any such transfer, if applicable, the transferee shall on the Company’s request agree in writing to be bound by the terms of this
Warrant as if an original holder hereof. 
 8. Rights as Shareholders; Information. No holder of this Warrant, as such,
shall be entitled to vote or receive dividends or be deemed the holder of Series Preferred or any other securities of the Company which may at any time be issuable upon the exercise hereof for any purpose, nor shall anything contained herein be
construed to confer upon the holder of this Warrant, as such, any of the rights of a shareholder of the Company or any right to vote for the election of directors or upon any matter submitted to shareholders at any meeting thereof, or to receive
notice of meetings, or to receive dividends or subscription rights or otherwise until this Warrant shall have been exercised and the Shares purchasable upon the exercise hereof shall have become deliverable, as provided herein. Notwithstanding the
foregoing, the Company will transmit to the holder of this Warrant that financial information that is distributed to the holders of Series C Preferred Stock [pursuant to Section 5.1(a) through (c)] of the Investor Rights Agreement (as defined
below) promptly after such financial information is distributed to the holders of Series C Preferred Stock. 
 9. Investor
Rights. Upon exercise of this Warrant for any or all of the Shares, the holder of this Warrant shall become a party to each of (i) that certain Second Amended and Restated Investor Rights Agreement, dated as of September 24, 2007, by
and among the Company and certain of its stockholders, as amended from time to time (the “Investor Rights Agreement”) and (ii) that certain Seconded Amended and Restated Stockholders’ Agreement, dated as of September 24,
2007, by and among the Company and certain of its stockholders as amended from time to time (the “Stockholders Agreement”; and together with the Investor Rights Agreement, the “Company Agreements”). 
  

 -6- 

 10. Additional Rights. 
 10.1 Acquisition Transactions. The Company shall provide the holder of this Warrant with at least twenty
(20) days’ written notice prior to closing thereof of the terms and conditions of any of the following transactions (to the extent the Company has notice thereof): (i) the sale, lease, exchange, conveyance or other disposition of all
or substantially all of the Company’s property or business, or (ii) its merger into or consolidation with any other corporation (other than a wholly-owned subsidiary of the Company), or any transaction (including a merger or other
reorganization) or series of related transactions, in which more than 50% of the voting power of the Company is disposed of. 
 10.2 Right to Convert Warrant into Stock: Net Issuance. 
 (a) Right to Convert. In
addition to and without limiting the rights of the holder under the terms of this Warrant, if the fair market value of one share of Series Preferred is greater than the Warrant Price, the holder shall have the right to convert this Warrant or any
portion thereof (the “Conversion Right”) into shares of Series Preferred as provided in this Section 10.2 at any time or from time to time during the term of this Warrant. Upon exercise of the Conversion Right with respect to a
particular number of shares subject to this Warrant (the “Converted Warrant Shares”), the Company shall deliver to the holder (without payment by the holder of any exercise price or any cash or other consideration) that number of shares of
fully paid and nonassessable Series Preferred as is determined according to the following formula: 
 X = B - A 

           Y 
  

					
	Where:	  	X =	  	the number of shares of Series Preferred that shall be issued to holder
			
		  	Y =	  	the fair market value of one share of Series Preferred
			
		  	A =	  	the aggregate Warrant Price of the specified number of Converted Warrant Shares immediately prior to the exercise of the Conversion Right (i.e., the number of Converted
Warrant Shares multiplied by the Warrant Price)
			
		  	B =	  	the aggregate fair market value of the specified number of Converted Warrant Shares (i.e., the number of Converted Warrant Shares multiplied by the fair market value
of one Converted Warrant Share)

 No fractional shares shall be issuable upon exercise of the Conversion Right, and, if
the number of shares to be issued determined in accordance with the foregoing formula is other than a whole number, the Company shall pay to the holder an amount in cash equal to the fair market value of the resulting fractional share on the
Conversion Date (as hereinafter defined). 
 (b) Method of Exercise. The Conversion Right may be exercised
by the holder by the surrender of this Warrant at the principal office of the Company together with a written statement (which may be in the form of Exhibit A-1 attached) specifying that the holder thereby intends to exercise the Conversion
Right and indicating the number of shares subject to this Warrant which are being surrendered (referred to in Section 10.2(a) hereof as the Converted Warrant Shares) in exercise of the

  

 -7- 

 
Conversion Right. Such conversion shall be effective upon receipt by the Company of this Warrant together with the aforesaid written statement, or on such later date as is specified therein (the
“Conversion Date”), and, at the election of the holder hereof, may be made contingent upon the closing of the sale of the Company’s Common Stock to the public in a public offering pursuant to a Registration Statement under the Act (a
“Public Offering”). Certificates for the shares issuable upon exercise of the Conversion Right and, if applicable, a new warrant evidencing the balance of the shares remaining subject to this Warrant, shall be issued as of the Conversion
Date and shall be delivered to the holder within thirty (30) days following the Conversion Date. 
 (c)
Determination of Fair Market Value. For purposes of this Section 10.2, “fair market value” of a share of Series Preferred (or Common Stock if the Series Preferred has been automatically converted into Common Stock) as of a
particular date (the “Determination Date”) shall mean: 
 (i) If the Conversion Right is exercised in
connection with and contingent upon a Public Offering, and if the Company’s Registration Statement relating to such Public Offering (“Registration Statement”) has been declared effective by the Securities and Exchange Commission, then
the initial “Price to Public” specified in the final prospectus with respect to such offering. 
 (ii)
If the Conversion Right is not exercised in connection with and contingent upon a Public Offering, then as follows: 
 (A) If traded on a securities exchange, the fair market value of the Common Stock shall be deemed to be the average of the closing prices of the Common Stock on such exchange over the five trading days immediately prior to the Determination
Date, and the fair market value of the Series Preferred shall be deemed to be such fair market value of the Common Stock multiplied by the number of shares of Common Stock into which each share of Series Preferred is then convertible; 
 (B) If traded on the Nasdaq Stock Market or other over-the-counter system, the fair market value of the Common Stock shall
be deemed to be the average of the closing bid prices of the Common Stock over the five trading days immediately prior to the Determination Date, and the fair market value of the Series Preferred shall be deemed to be such fair market value of the
Common Stock multiplied by the number of shares of Common Stock into which each share of Series Preferred is then convertible; and 
 (C) If there is no public market for the Common Stock, then fair market value shall be determined by the Board of Directors of the Company in good faith. 
 In making a determination under clauses (A) or (B) above, if on the Determination Date, five trading days had not passed since the IPO, then the
fair market value of the Common Stock shall be the average closing prices or closing bid prices, as applicable, for the shorter period beginning on and including the date of the IPO and ending on the trading day prior to the Determination Date (or
if such period includes only one trading day the closing price or closing bid price, as applicable, for such trading day). If closing prices

  

 -8- 

 
or closing bid prices are no longer reported by a securities exchange or other trading system, the closing price or closing bid price shall be that which is reported by such securities exchange
or other trading system at 4:00 p.m. New York City time on the applicable trading day. 
 10.3 Exercise Prior to Expiration.
To the extent this Warrant is not previously exercised as to all of the Shares subject hereto, and if the fair market value of one share of the Series Preferred is greater than the Warrant Price then in effect, this Warrant shall be deemed
automatically exercised pursuant to Section 10.2 above (even if not surrendered) immediately before its expiration. For purposes of such automatic exercise, the fair market value of one share of the Series Preferred upon such expiration shall
be determined pursuant to Section 10.2(c). 
 11. Representations and Warranties. The Company represents and
warrants to the holder of this Warrant as follows: 
 (a) This Warrant has been duly authorized and executed by
the Company and is a valid and binding obligation of the Company enforceable in accordance with its terms, subject to laws of general application relating to bankruptcy, insolvency and the relief of debtors and the rules of law or principles at
equity governing specific performance, injunctive relief and other equitable remedies. 
 (b) The Shares have
been duly authorized and reserved for issuance by the Company and, when issued in accordance with the terms hereof, will be validly issued, fully paid and nonassessable and free from all liens, charges, restrictions, claims and encumbrances imposed
by or through the Company except as set forth in the Company Agreements or applicable federal and state securities law with respect to the issue thereof. 
 (c) The rights, preferences, privileges and restrictions granted to or imposed upon the Series Preferred and the holders thereof are as set forth in the Charter and the Company Agreements. 
 (d) The shares of Common Stock issuable upon conversion of the Shares have been duly authorized and reserved for issuance by
the Company and, when issued in accordance with the terms of the Charter will be validly issued, fully paid and nonassessable. 
 (e) The execution and delivery of this Warrant are not, and the issuance of the Shares upon exercise of this Warrant in accordance with the terms hereof will not be, in conflict with the Company’s
Charter or by-laws, do not and will not contravene any material law, governmental rule or regulation, judgment or order applicable to the Company, and do not and will not conflict with or contravene any provision of, or constitute a default under,
any material indenture, mortgage, contract or other instrument of which the Company is a party or by which it is bound or require the consent or approval of, the giving of notice to, the registration or filing with or the taking of any action in
respect of or by, any Federal, state or local government authority or agency or other person, except for the filing of notices pursuant to federal and state securities laws, which filings will be effected by the time required thereby. 
  

 -9- 

 (f) There are no actions, suits, audits, investigations or proceedings
pending or, to the knowledge of the Company, threatened against the Company in any court or before any governmental commission, board or authority which, if adversely determined, could have a material adverse effect on the ability of the Company to
perform its obligations under this Warrant. 
 (g) The number of shares of Common Stock of the Company
outstanding on the date hereof, on a fully diluted basis (assuming the conversion of all outstanding convertible securities and the exercise of all outstanding options and warrants), does not exceed 50,000,000 shares. 
 12. Modification and Waiver. This Warrant and any provision hereof may be changed, waived, discharged or terminated only by an
instrument in writing signed by the party against which enforcement of the same is sought. 
 13. Notices. Any notice,
request, communication or other document required or permitted to be given or delivered to the holder hereof or the Company shall be delivered, or shall be sent by certified or registered mail, postage prepaid, to each such holder at its address as
shown on the books of the Company or to the Company at the address indicated therefor on the signature page of this Warrant. 
 14. Binding Effect on Successors. This Warrant shall be binding upon any corporation succeeding the Company by merger, consolidation or acquisition of all or substantially all of the Company’s assets, and all of the obligations
of the Company relating to the Series Preferred issuable upon the exercise or conversion of this Warrant shall survive the exercise, conversion and termination of this Warrant and all of the covenants and agreements of the Company shall inure to the
benefit of the successors and assigns of the holder hereof. 
 15. Lost Warrants or Stock Certificates. The Company
covenants to the holder hereof that, upon receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction or mutilation of this Warrant or any stock certificate and, in the case of any such loss, theft or destruction, upon
receipt of an indemnity reasonably satisfactory to the Company, or in the case of any such mutilation upon surrender and cancellation of such Warrant or stock certificate, the Company will make and deliver a new Warrant or stock certificate, of like
tenor, in lieu of the lost, stolen, destroyed or mutilated Warrant or stock certificate. 
 16. Descriptive Headings. The
descriptive headings of the various Sections of this Warrant are inserted for convenience only and do not constitute a part of this Warrant. The language in this Warrant shall be construed as to its fair meaning without regard to which party drafted
this Warrant. 
 17. Governing Law. This Warrant shall be construed and enforced in accordance with, and the rights of
the parties shall be governed by, the laws of the State of Delaware, without giving effect to its conflicts of law principles. 
 18. Intentionally Omitted. 
  

 -10- 

 19. Remedies. In case any one or more of the covenants and agreements contained in
this Warrant shall have been breached, the holders hereof (in the case of a breach by the Company), or the Company (in the case of a breach by a holder), may proceed to protect and enforce their or its rights either by suit in equity and/or by
action at law, including, but not limited to, an action for damages as a result of any such breach and/or an action for specific performance of any such covenant or agreement contained in this Warrant. 
 20. Intentionally Omitted. 
 21. Severability. The invalidity or unenforceability of any provision of this Warrant in any jurisdiction shall not affect the validity or enforceability of such provision in any other
jurisdiction, or affect any other provision of this Warrant, which shall remain in full force and effect. 
 22. Recovery of
Litigation Costs. If any legal action or other proceeding is brought for the enforcement of this Warrant, or because of an alleged dispute, breach, default, or misrepresentation in connection with any of the provisions of this Warrant, the
successful or prevailing party or parties shall be entitled to recover reasonable attorneys’ fees and other costs incurred in that action or proceeding, in addition to any other relief to which it or they may be entitled. 
 23. Entire Agreement; Modification. This Warrant constitutes the entire agreement between the parties pertaining to the subject
matter contained in it and supersedes all prior and contemporaneous agreements, representations, and undertakings of the parties, whether oral or written, with respect to such subject matter. 
 24. Confidentiality. All information disclosed by the Company to the holder of this Warrant pursuant to this Warrant that is marked
confidential or a reasonable person would deem confidential shall be considered confidential. The holder of this Warrant agrees to use the same degree of care to safeguard and prevent disclosure of such confidential information as the holder of this
Warrant uses with its own confidential information, but in any event no less than a reasonable degree of care. The holder of this Warrant shall not disclose such information to any third party (other than to the holder’s partners, attorneys,
governmental regulators, or auditors, or to its subsidiaries and affiliates, all subject to the same confidentiality obligation set forth herein or as required by law, regulation, subpoena or other order to be disclosed) and shall use such
information only for purposes of evaluation of its investment in the Company and the exercise of its rights and the enforcement of its remedies under this Warrant. The obligations of confidentiality shall not apply to any information that
(a) was known to the public prior to disclosure by the Company under this Agreement, (b) becomes known to the public through no fault of the holder of this Warrant, (c) is disclosed to the holder of this Warrant by a third party
having a legal right to make such disclosure, or (d) is independently developed by the holder of this Warrant. 
 REMAINDER OF PAGE INTENTIONALLY LEFT BLANK 
  

 -11- 

 The Company has caused this Warrant to be duly executed and delivered as of the Date of
Grant specified above. 
  

			
	TENGION, INC.
		
	By:	 	 
		
	Name:	 	 
		
	Title:	 	 
		
	Address:	 	2900 Potshop Lane, Suite 100
		 	East Norriton, PA 19403

  

 -12- 

 EXHIBIT A-1 
 NOTICE OF EXERCISE 
  

	To:	TENGION, INC. (the “Company”) 

 1. The undersigned hereby: 
  

	 	 ̈	elects to purchase________ shares of [Series Preferred Stock] [Common Stock] of the Company pursuant to the terms of the attached Warrant, and tenders herewith payment
of the purchase price of such shares in full, or 

  

	 	 ̈	elects to exercise its net issuance rights pursuant to Section 10.2 of the attached Warrant with respect to________Shares of [Series Preferred Stock] [Common
Stock]. 

 2. Please issue a certificate or certificates representing ________ shares in the name of the
undersigned or in such other name or names as are specified below: 
 ________________________________________________________________ 
 (Name) 
 ________________________________________________________________ 
 ________________________________________________________________ 
 (Address) 
 3. The undersigned represents that the aforesaid
shares are being acquired for the account of the undersigned for investment and not with a view to, or for resale in connection with, the distribution thereof and that the undersigned has no present intention of distributing or reselling such
shares, all except as in compliance with applicable securities laws. 
  

	
	
	  
	(Signature)

 _________ 
     (Date)

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