Document:

EX-10.3

 Exhibit 10.3 

English Summary of the Office Lease Agreement dated as of May 30, 2004 by and between Azorei Mallal Industries Ltd. (the “Landlord”) and
Cyber-Ark Software Ltd. (the “Company”) (the “Original Lease”), as amended by those certain Addendum dated May 3, 2007, Addendum to Lease Agreement dated March 29, 2009, Addendum to Lease Agreement dated
September 16, 2009, Addendum to Lease Agreement dated January 11, 2010, Addendum to Lease Agreement dated March 16, 2010, Addendum to Lease Agreement dated August 5, 2012, Addendum to Lease Agreement dated December 7, 2010,
Addendum to Lease Agreement dated March 7, 2011, Addendum to Lease Agreement dated May 25, 2011, Addendum to Agreement dated January 9, 2012, Addendum to Agreement dated February 16, 2012, Addendum to Lease Agreement dated
September 10, 2012, Addendum to Lease Agreement dated October 11, 2012, Addendum to Lease Agreement dated January 29, 2013 and the Addendum to Lease Agreement dated December 12, 2013 (collectively, the “Lease
Agreement”). 
  

	 	•	 	Subject Matter of the Lease Agreement: Unprotected Lease of Office Space and Parking Spaces for the purpose of conducting business in the Hi-Tech field. Premises are located in Petach-Tikva, Israel.

  

	 	•	 	Term of Original Lease: 

  

	 	•	 	The term of the Original Lease was thirty-six (36) months commencing on July 1, 2004, with the Company’s right for early termination (which was not exercised by the Company). Under the Original Lease, the
Company was given two options to extend the term of the lease, each by a twelve (12)-month period (subject to certain prior notices to the Landlord). 

  

	 	•	 	The term of the lease was extended several times over the years. Currently, the lease is set to expire on December 31, 2016 (with no right for early termination by the Company), with automatic extensions until
December 31, 2017 and then until December 31, 2018, unless the Company gives prior notice to the Landlord of its desire to terminate the lease, by no later than June 30, 2016 and June 30, 2017, respectively. In the event that an
extension option is not exercised, the Company is obligated to reimburse the Landlord’s portion of renovation and adjustment costs in an amount of NIS 5,000 plus VAT for any extended period not utilized by the Company. 

 

	 	•	 	The term of the lease of all parking spaces leased by the Company from time to time is linked to the lease term of the main premises. 

 

	 	•	 	Premises Covered by the Lease Agreement: 

  

	 	•	 	Property – Under the Original Lease, the Company leased 843 square meters (gross) (approximately 9,074 square feet). Since then the Company has leased additional premises as follows: 550 square meters
(gross) (approximately 5,920 square feet) under the May 3, 2007 Addendum, 630 square meters (gross) (approximately 6,781 square feet) under the February 16, 2012 Addendum, 867 square meters (gross) (approximately 9,332 square feet) under
the January 29, 2013 Addendum, and 670 square meters (gross) (approximately, 7,212 square feet) under the December 12, 2013 Addendum. In total, the Company currently leases 3,560 square meters (gross) (approximately 38,319 square feet).
The lease of the premises under the December 12, 2013 Addendum shall commence on or around July 2014 (with the specific date to be notified by the Landlord by May 1, 2014). 

 

	 	•	 	Parking – The Company originally leased ten (10) parking spaces, and currently leases one hundred-sixteen (116) parking spaces. 

 

	 	•	 	Rental Fees: 

  

	 	•	 	 Property – Under the Original Lease, during the original lease term the Company was to pay monthly rental fees of US $10 per square meter
(gross). Such rental fees were 

	 	 
to increase to US $10.75 for the two option periods under the Original Lease. All rental fees under the Original Lease were based on a fixed 4.587 NIS/Dollar exchange rate, exclusive of VAT and
index-linked to the Consumer Price Index published by the Central Bureau of Statistics (the “Index”); provided that the rental fees shall not be less than the nominal values listed above. 

Currently, the monthly rental fee for all premises leased by the Company is NIS 67.87 per square meter (gross), plus VAT and linked to
the Consumer Price Index published by the Central Bureau of Statistics and known on December 6, 2012 (and shall not be reduced below such amount); provided that the rental fees per square meter shall not be less than the nominal
values listed above. In the event that the lease is extended until December 31, 2018, the monthly rental fee shall be increased by 5% compared to the monthly rental fee actually paid by the Company for the December 2017 lease. 

 

	 	•	 	Parking – The monthly rental fee for the parking spaces currently leased by the Company ranges from NIS 360 to NIS 434 per parking space, in each case plus VAT and Index-linked. 

 

	 	•	 	Management Fees – The management fees currently being paid by the Company with respect of an aggregate of 2,023 square meters (gross) (approximately, 21,775 square feet) equal to NIS 15.5 per square
meter (gross) and with respect of the remaining 1,537 square meters (gross) (approximately, 16,544 square feet) paid on a cost plus 15% basis (approximately NIS 20 per square meter), in each case plus VAT and Index-linked. 

 

	 	•	 	Guarantees – 

  

	 	•	 	An autonomous un-conditioned bank guarantee, for three (3) months’ rental fee plus VAT, to be extended from time to time by the Company to remain in effect for the duration of the term of lease and for thirty
(30) days thereafter. 

  

	 	•	 	Dispute Resolution – 

  

	 	•	 	The Lease Agreement shall be governed by an agreed-upon arbitrator, the identity of which shall be determined between the parties (and with respect to legal disputes – by the parties’ legal counsels). In the
lack of such agreement, the identity of the arbitrator shall be decided by the Chairman of the Israeli Bar Association or the Chairman of the Engineers and Architects’ Association, as applicable. 

 

	 	•	 	Other Terms under the Lease Agreement: 

  

	 	•	 	The Company has a right to sub-lease the premises (or any portion thereof), subject to the Landlord’s prior written consent (not to be unreasonably withheld). The Company may also transfer its rights to the
premises to an affiliate, subject to the Landlord’s prior written consent (not to be unreasonably withheld). 

  

	 	•	 	Similar to other lease agreements, the Company agreed to assume responsibility for all fees, municipal or local taxes, utility payments, etc.; provided that the Landlord shall bear any and all taxes and
fees, which by their nature are levied on property owners. 

  

	 	•	 	Similar to other lease agreements, each party has agreed to assume responsibility for any damage, injury or loss (bodily or otherwise) resulting from any act, omission or negligence on its part, and with respect of the
Company – relating to its use of the property being leased. 

  

	 	•	 	The Lease Agreement further includes terms concerning the following non-material matters: 

  

	 	•	 	Renovations – Generally, the Company may not perform any major renovations on the premises without prior written authorization from the Landlord. Subject to such advance approval by the
Landlord, the Company may invest certain amounts on renovations for which the Landlord has agreed to reimburse the Company for a certain percentage of the costs. 

  

	 	•	 	Late Rental Fees – In the event the Company fails to pay any of its rental fees on time, the amount overdue accrues interest based on Bank Hapoalim Ltd.’s standard rate for unauthorized overdrafts
starting from the tenth day following the payment due date until the actual date of payment. If the amount due is for rental, management or electricity fees, the Landlord is entitled to stop any of these services other than disconnecting water and
power, provided it shall notify the Company in writing seven days in advance. 

  

	 	•	 	Utilities – The Company is responsible for paying for water, power and telephone utility bills, in addition to any taxes or fees, tolls, levies, property taxes and any other payments owed to governmental or
local authorities relating to the property during the term of the Lease Agreement, unless such fees are specifically designated for the property owner. 

  

	 	•	 	No Right of set-off – The parties have agreed that any amounts owed shall not be subject to a set-off right. 

  

	 	•	 	Termination of the lease, vacating of premises and fixtures – Upon the termination of the Lease Agreement, the Company shall vacate the premises from any person or object which is not owned by
the Landlord and return it to the Landlord in an undamaged, usable state. The Company has sole discretion to remove any fixtures, provided such removal does not damage the premises and provided that the Landlord will have no duty to compensate the
Company for fixtures which it decides to leave. 

  

	 	•	 	Early termination rights and taxes with respect to parking spaces – The Company is entitled to park its vehicles on the premises during the term of the Lease Agreement, although the Landlord may
terminate such right at any time upon 60 days advance notice. The Company has agreed to allow the Landlord to use the extra parking spaces at the premises on an as available basis. The fees that the Company pays for parking spaces under the
Lease Agreement include maintenance and management fees but do not include property tax or any other fees imposed by local authorities and for which the Company shall be liable immediately upon demand. 

 

	 	•	 	Payment Method – The rental fees shall be paid three months in advance by no later than the fifth day of the month during which a payment is made. The Company has agreed to sign a direct debit with
respect to the rental and management fees. In the event the Company is over-charged, that extra amount shall be remitted to the Company within five business days. 

  
 - 2 -EX-4.2

 Exhibit 4.2 

[FORM OF WARRANT] 
 NEITHER THE
ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE NOR THE SECURITIES INTO WHICH THESE SECURITIES ARE EXERCISABLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES
MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR (B) AN OPINION OF COUNSEL SELECTED BY THE
HOLDER, IN A GENERALLY ACCEPTABLE FORM, THAT REGISTRATION IS NOT REQUIRED UNDER SAID ACT OR (II) UNLESS SOLD PURSUANT TO RULE 144 OR RULE 144A UNDER SAID ACT. NOTWITHSTANDING THE FOREGOING, THE SECURITIES MAY BE PLEDGED IN CONNECTION WITH A BONA
FIDE MARGIN ACCOUNT OR OTHER LOAN OR FINANCING ARRANGEMENT SECURED BY THE SECURITIES. 
 TELIK, INC. 

WARRANT TO PURCHASE COMMON STOCK 
 Warrant
No.:             
 Number of Shares of Common
Stock:             
 Date of Issuance: May [    ], 2014 (“Issuance
Date”) 
 Telik, Inc., a Delaware corporation (the “Company”), hereby certifies that, for good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, [BUYER], the registered holder hereof or its permitted assigns (the “Holder”), is entitled, subject to the terms set forth below, to purchase from the
Company, at the Exercise Price (as defined below) then in effect, at any time or times on or after the date that is the six month anniversary of the Issuance Date (the “Initial Exercisability Date”), but not after 11:59 p.m., New
York time, on the Expiration Date, (as defined below),
                                        
(                    )1 fully paid nonassessable shares of Common Stock, subject to adjustment
as provided herein (the “Warrant Shares”). Except as otherwise defined herein, capitalized terms in this Warrant to Purchase Common Stock (including any Warrants to Purchase Common Stock issued in exchange, transfer or replacement
hereof, this “Warrant”), shall have the meanings set forth in Section 17. This Warrant is one of the Warrants to purchase Common Stock (the “SPA Warrants”) issued pursuant to Section 1 of that certain
Securities Purchase Agreement, dated as of May     , 2014 (the “Subscription Date”), by and among the Company and the investors (the “Buyers”) referred to therein (the “Securities Purchase
Agreement”). Capitalized terms used herein and not otherwise defined shall have the definitions ascribed to such terms in the Securities Purchase Agreement. 

 

	1 	Insert 50% of the number of shares of Common Stock issued upon conversion of the Preferred Shares (as defined in the Securities Purchase Agreement) purchased by the Holder pursuant to the Securities Purchase Agreement.

 1. EXERCISE OF WARRANT. 

(a) Mechanics of Exercise. Subject to the terms and conditions hereof (including, without limitation, the limitations set forth in
Section 1(f)), this Warrant may be exercised by the Holder at any time or times on or after the Initial Exercisability Date, in whole or in part, by (i) delivery of a written notice, in the form attached hereto as Exhibit A (the
“Exercise Notice”), of the Holder’s election to exercise this Warrant and (ii) (A) payment to the Company of an amount equal to the applicable Exercise Price multiplied by the number of Warrant Shares as to which this
Warrant is being exercised (the “Aggregate Exercise Price”) in cash by wire transfer of immediately available funds or (B) if the provisions of Section 1(d) are applicable, by notifying the Company that this Warrant is
being exercised pursuant to a Cashless Exercise (as defined in Section 1(d)). The Holder shall not be required to deliver the original Warrant in order to effect an exercise hereunder. Execution and delivery of the Exercise Notice with respect
to less than all of the Warrant Shares shall have the same effect as cancellation of the original Warrant and issuance of a new Warrant evidencing the right to purchase the remaining number of Warrant Shares. On or before the first
(1st) Trading Day following the date on which the Company has received the Exercise Notice, the Company shall transmit by facsimile an acknowledgment of confirmation of receipt of the Exercise Notice to the Holder and the Company’s
transfer agent (the “Transfer Agent”). On or before the third (3rd) Trading Day following the date on which the Company has received the Exercise Notice, so long as the Holder delivers the Aggregate Exercise Price (or notice of
a Cashless Exercise) on or prior to the second (2nd) Trading Day following the date on which the Company has received the Exercise Notice (the “Share Delivery Date”) (provided that if the Aggregate Exercise Price has not been
delivered by such date, the Share Delivery Date shall be one (1) Trading Day after the Aggregate Exercise Price (or notice of a Cashless Exercise) is delivered), the Company shall (X) provided that the Transfer Agent is participating in
The Depository Trust Company (“DTC”) Fast Automated Securities Transfer Program, credit such aggregate number of Warrant Shares to which the Holder is entitled pursuant to such exercise to the Holder’s or its designee’s
balance account with DTC through its Deposit / Withdrawal At Custodian system, or (Y) if the Transfer Agent is not participating in the DTC Fast Automated Securities Transfer Program, issue and dispatch by overnight courier to the address as
specified in the Exercise Notice, a certificate, registered in the Company’s share register in the name of the Holder or its designee, for the number of Warrant Shares to which the Holder is entitled pursuant to such exercise. The Company shall
be responsible for all fees and expenses of the Transfer Agent and all fees and expenses with respect to the issuance of Warrant Shares via DTC, if any. Upon delivery of the Exercise Notice, the Holder shall be deemed for all corporate purposes to
have become the holder of record of the Warrant Shares with respect to which this Warrant has been exercised, irrespective of the date such Warrant Shares are credited to the Holder’s DTC account or the date of delivery of the certificates
evidencing such Warrant Shares, as the case may be. If this Warrant is submitted in connection with any exercise pursuant to this Section 1(a) and the number of Warrant Shares represented by this Warrant submitted for exercise is greater than
the number of Warrant Shares being acquired upon an exercise, then the Company shall as soon as practicable and in no event later than three (3) Trading Days after any exercise and at its own expense, issue a new Warrant (in accordance with
Section 7(d)) representing the right to purchase the number of Warrant Shares issuable immediately prior to such exercise under this Warrant, less the number of Warrant Shares with respect to which this Warrant is exercised. No fractional
Warrant Shares are to be issued upon the exercise of this Warrant, but rather the 

  
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number of Warrant Shares to be issued shall be rounded up to the nearest whole number. The Company shall pay any and all taxes which may be payable with respect to the issuance and delivery of
Warrant Shares upon exercise of this Warrant. The Company’s obligations to issue and deliver Warrant Shares in accordance with the terms and subject to the conditions hereof are absolute and unconditional, irrespective of any action or inaction
by the Holder to enforce the same, any waiver or consent with respect to any provision hereof, the recovery of any judgment against any Person or any action to enforce the same, or any setoff, counterclaim, recoupment, limitation or termination.

 (b) Exercise Price. For purposes of this Warrant, “Exercise Price” means as of any Exercise Date or other date of
determination, $3.33, subject to adjustment as provided herein (the “Exercise Price”). 
 (c) Company’s Failure to
Timely Deliver Securities. If the Company shall fail for any reason or for no reason to issue to the Holder on or prior to the Share Delivery Date either (I) if the Transfer Agent is not participating in the DTC Fast Automated Securities
Transfer Program, a certificate for the number of shares of Common Stock to which the Holder is entitled and register such shares of Common Stock on the Company’s share register or if the Transfer Agent is participating in the DTC Fast
Automated Securities Transfer Program, to credit the Holder’s balance account with DTC, for such number of shares of Common Stock to which the Holder is entitled upon the Holder’s exercise of this Warrant or (II) if the Registration
Statement covering the resale of the Warrant Shares that are the subject of the Exercise Notice (the “Unavailable Warrant Shares”) is not available for the resale of such Unavailable Warrant Shares and the Company fails to promptly,
but in no event later than as required pursuant to the Registration Rights Agreement (x) so notify the Holder and (y) deliver the Warrant Shares electronically without any restrictive legend by crediting such aggregate number of Warrant
Shares to which the Holder is entitled pursuant to such exercise to the Holder’s or its designee’s balance account with DTC through its Deposit / Withdrawal At Custodian system (the event described in the immediately foregoing clause (II)
is hereinafter referred as a “Notice Failure” and together with the event described in clause (I) above, an “Exercise Failure”), then, in addition to all other remedies available to the Holder, (X) the
Company shall pay in cash to the Holder on each day after the Share Delivery Date and during such Exercise Failure an amount equal to 1.0% of the product of (A) the sum of the number of shares of Common Stock not issued to the Holder on or
prior to the Share Delivery Date and to which the Holder is entitled, and (B) any trading price of the Common Stock selected by the Holder in writing as in effect at any time during the period beginning on the applicable Exercise Date and
ending on the applicable Share Delivery Date, and (Y) the Holder, upon written notice to the Company, may void its Exercise Notice with respect to, and retain or have returned, as the case may be, any portion of this Warrant that has not been
exercised pursuant to such Exercise Notice; provided that the voiding of an Exercise Notice shall not affect the Company’s obligations to make any payments which have accrued prior to the date of such notice pursuant to this Section 1(c)
or otherwise. In addition to the foregoing, if on or prior to the Share Delivery Date either (I) if the Transfer Agent is not participating in the DTC Fast Automated Securities Transfer Program, the Company shall fail to issue and deliver a
certificate to the Holder and register such shares of Common Stock on the Company’s share register or, if the Transfer Agent is participating in the DTC Fast Automated Securities Transfer Program, credit the Holder’s balance account with
DTC for the number of shares of Common Stock to which the Holder is entitled upon the 

  
 3 

 
Holder’s exercise hereunder or pursuant to the Company’s obligation pursuant to clause (ii) below or (II) a Notice Failure occurs, and if on or after such Trading Day the Holder
purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction of a sale by the Holder of shares of Common Stock issuable upon such exercise that the Holder anticipated receiving from the Company (a
“Buy-In”), then the Company shall, within three (3) Trading Days after the Holder’s request and in the Holder’s discretion, either (i) pay cash to the Holder in an amount equal to the Holder’s total purchase
price (including brokerage commissions and other out-of-pocket expenses, if any) for the shares of Common Stock so purchased (the “Buy-In Price”), at which point the Company’s obligation to deliver such certificate (and to
issue such shares of Common Stock) or credit such Holder’s balance account with DTC for such shares of Common Stock shall terminate, or (ii) promptly honor its obligation to deliver to the Holder a certificate or certificates representing
such shares of Common Stock or credit such Holder’s balance account with DTC and pay cash to the Holder in an amount equal to the excess (if any) of the Buy-In Price over the product of (A) such number of shares of Common Stock, times
(B) any trading price of the Common Stock selected by the Holder in writing as in effect at any time during the period beginning on the applicable Exercise Date and ending on the applicable Share Delivery Date. Nothing shall limit the
Holder’s right to pursue any other remedies available to it hereunder, at law or in equity, including, without limitation, a decree of specific performance and/or injunctive relief with respect to the Company’s failure to timely deliver
certificates representing shares of Common Stock (or to electronically deliver such shares of Common Stock) upon the exercise of this Warrant as required pursuant to the terms hereof. Notwithstanding anything to the contrary contained herein, the
Company shall not be required to make cash payments pursuant to this Section 1(c) with respect to Exercise Notices delivered prior to the consummation of the Merger. 

(d) Cashless Exercise. Notwithstanding anything contained herein to the contrary, if the Registration Statement covering the resale of
the Unavailable Warrant Shares is not available for the resale of such Unavailable Warrant Shares, the Holder may, in its sole discretion, exercise this Warrant in whole or in part and, in lieu of making the cash payment otherwise contemplated to be
made to the Company upon such exercise in payment of the Aggregate Exercise Price, elect instead to receive upon such exercise the “Net Number” of shares of Common Stock determined according to the following formula (a “Cashless
Exercise”): 
  

									
		 		 	    Net Number =	 	 (A x B) – (A x C)
	  	
		 		 		 	D	  	
			
		 		 	    For purposes of the foregoing formula:
			
		 	A=	 	the total number of shares with respect to which this Warrant is then being exercised.
			
		 	B=	 	the arithmetic average of the Closing Sale Prices of the Common Stock for the five (5) consecutive Trading Days ending on the date immediately preceding the date of the Exercise Notice.
			
		 	C=	 	the Exercise Price then in effect for the applicable Warrant Shares at the time of such exercise.
			
		 	D=	 	the Closing Sale Price of the Common Stock on the date of the Exercise Notice.

  
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 For purposes of Rule 144(d) promulgated under the 1933 Act, as in effect on the date hereof, it
is intended that the Warrant Shares issued in a Cashless Exercise shall be deemed to have been acquired by the Holder, and the holding period for the Warrant Shares shall be deemed to have commenced, on the date this Warrant was originally issued
pursuant to the Securities Purchase Agreement. 
 (e) Disputes. In the case of a dispute as to the determination of the Exercise
Price or the arithmetic calculation of the Warrant Shares, the Company shall promptly issue to the Holder the number of Warrant Shares that are not disputed and resolve such dispute in accordance with Section 12. 

(f) Limitations on Exercise, Beneficial Ownership. Notwithstanding anything to the contrary contained herein, the Company shall not
effect the exercise of any portion of this Warrant, and the Holder shall not have the right to exercise any portion of this Warrant, pursuant to the terms and conditions of this Warrant and any such exercise shall be null and void and treated as if
never made, to the extent that after giving effect to such exercise, the Holder together with the other Attribution Parties collectively would beneficially own in excess of 4.99% (the “Maximum Percentage”) of the number of shares of
Common Stock outstanding immediately after giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of shares of Common Stock beneficially owned by the Holder and the other Attribution Parties shall include the
number of shares of Common Stock held by the Holder and all other Attribution Parties plus the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which the determination of such sentence is being made, but shall
exclude the number of shares of Common Stock which would be issuable upon (A) exercise of the remaining, unexercised portion of this Warrant beneficially owned by the Holder or any of the other Attribution Parties and (B) exercise or
conversion of the unexercised or unconverted portion of any other securities of the Company (including, without limitation, any convertible notes or convertible preferred stock or warrants, including the other SPA Warrants) beneficially owned by the
Holder or any other Attribution Party subject to a limitation on conversion or exercise analogous to the limitation contained in this Section 1(f). For purposes of this Section 1(f), beneficial ownership shall be calculated in accordance
with Section 13(d) of the Securities Exchange Act of 1934, as amended (the “1934 Act”). For purposes of this Warrant, in determining the number of outstanding shares of Common Stock the Holder may acquire upon the exercise of
this Warrant without exceeding the Maximum Percentage, the Holder may rely on the number of outstanding shares of Common Stock as reflected in (x) the Company’s most recent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, Current
Report on Form 8-K or other public filing with the Securities and Exchange Commission (the “SEC”), as the case may be, (y) a more recent public announcement by the Company or (3) any other written notice by the Company or
the Transfer Agent setting forth the number of shares of Common Stock outstanding (the “Reported Outstanding Share Number”). If the Company receives an Exercise Notice from the Holder at a time when the actual number of outstanding
shares of 

  
 5 

 
Common Stock is less than the Reported Outstanding Share Number, the Company shall (i) notify the Holder in writing of the number of shares of Common Stock then outstanding and, to the
extent that such Exercise Notice would otherwise cause the Holder’s beneficial ownership, as determined pursuant to this Section 1(f), to exceed the Maximum Percentage, the Holder must notify the Company of a reduced number of Warrant
Shares to be purchased pursuant to such Exercise Notice (the number of shares by which such purchase is reduced, the “Reduction Shares”) and (ii) as soon as reasonably practicable, the Company shall return to the Holder any
exercise price paid by the Holder for the Reduction Shares. For any reason at any time, upon the written or oral request of the Holder, the Company shall within one (1) Business Day confirm orally and in writing or by electronic mail to the
Holder the number of shares of Common Stock then outstanding. In any case, the number of outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company, including this Warrant,
by the Holder and any other Attribution Party since the date as of which the Reported Outstanding Share Number was reported. In the event that the issuance of shares of Common Stock to the Holder upon exercise of this Warrant results in the Holder
and the other Attribution Parties being deemed to beneficially own, in the aggregate, more than the Maximum Percentage of the number of outstanding shares of Common Stock (as determined under Section 13(d) of the 1934 Act), the number of shares
so issued by which the Holder’s and the other Attribution Parties’ aggregate beneficial ownership exceeds the Maximum Percentage (the “Excess Shares”) shall be deemed null and void and shall be cancelled ab initio, and the
Holder shall not have the power to vote or to transfer the Excess Shares. As soon as reasonably practicable after the issuance of the Excess Shares has been deemed null and void, the Company shall return to the Holder the exercise price paid by the
Holder for the Excess Shares. Upon delivery of a written notice to the Company, the Holder may from time to time increase (with such increase not effective until the sixty-first (61st) day after delivery of such notice) or decrease the Maximum
Percentage to any other percentage not in excess of 4.99% as specified in such notice; provided that (i) any such increase in the Maximum Percentage will not be effective until the sixty-first (61st) day after such notice is delivered to
the Company and (ii) any such increase or decrease will apply only to the Holder and the other Attribution Parties and not to any other holder of SPA Warrants that is not an Attribution Party of the Holder. For purposes of clarity, the shares
of Common Stock issuable pursuant to the terms of this Warrant in excess of the Maximum Percentage shall not be deemed to be beneficially owned by the Holder for any purpose including for purposes of Section 13(d) or Rule 16a-1(a)(1) of the
1934 Act. No prior inability to exercise this Warrant pursuant to this paragraph shall have any effect on the applicability of the provisions of this paragraph with respect to any subsequent determination of exercisability. The provisions of this
paragraph shall be construed and implemented in a manner otherwise than in strict conformity with the terms of this Section 1(f) to the extent necessary to correct this paragraph or any portion of this paragraph which may be defective or
inconsistent with the intended beneficial ownership limitation contained in this Section 1(f) or to make changes or supplements necessary or desirable to properly give effect to such limitation. The limitation contained in this paragraph may
not be waived and shall apply to a successor holder of this Warrant. 
 (g) Insufficient Authorized Shares. If at any time while this
Warrant remains outstanding the Company does not have a sufficient number of authorized and unreserved shares of Common Stock to satisfy its obligation to reserve for issuance upon exercise of this Warrant at least a number of shares of Common Stock
equal to the number of shares of Common Stock as 

  
 6 

 
shall from time to time be necessary to effect the exercise of all of this Warrant then outstanding (the “Required Reserve Amount” and the failure to have such sufficient number
of authorized and unreserved shares of Common Stock, an “Authorized Share Failure”), then the Company shall immediately take all action necessary to increase the Company’s authorized shares of Common Stock to an amount
sufficient to allow the Company to reserve the Required Reserve Amount for this Warrant then outstanding. Without limiting the generality of the foregoing sentence, as soon as practicable after the date of the occurrence of an Authorized Share
Failure, but in no event later than sixty (60) days after the occurrence of such Authorized Share Failure, the Company shall hold a meeting of its stockholders for the approval of an increase in the number of authorized shares of Common Stock.
In connection with such meeting, the Company shall provide each stockholder with a proxy statement and shall use its commercially reasonable best efforts to solicit its stockholders’ approval of such increase in authorized shares of Common
Stock and to cause its board of directors to recommend to the stockholders that they approve such proposal. Notwithstanding the foregoing, if any such time of an Authorized Share Failure, the Company is able to obtain the written consent of a
majority of the shares of its issued and outstanding Common Stock to approve the increase in the number of authorized shares of Common Stock, the Company may satisfy this obligation by obtaining such consent and submitting for filing with the SEC an
Information Statement on Schedule 14C. In the event that upon any exercise of this Warrant, the Company does not have sufficient authorized shares to deliver in satisfaction of such exercise, then unless the Holder elects to void such attempted
exercise, the Holder may require the Company to pay to the Holder within three (3) Trading Days of the applicable exercise, cash in an amount equal to the product of (i) the quotient determined by dividing (x) the number of Warrant
Shares that the Company is unable to deliver pursuant to this Section 1(g), by (y) the total number of Warrant Shares issuable upon exercise of this Warrant (without regard to any limitations or restrictions on exercise of this Warrant)
and (ii) the Black Scholes Value; provided, that (x) references to “the day immediately following the public announcement of the applicable Fundamental Transaction” in the definition of “Black Scholes Value” shall
instead refer to “the date the Holder exercises this Warrant and the Company cannot deliver the required number of Warrant Shares because of an Authorized Share Failure” and (y) clause (iii) of the definition of “Black
Scholes Value” shall instead refer to “the underlying price per share used in such calculation shall be the highest Weighted Average Price during the period beginning on the date of the applicable date of exercise and the date that the
Company makes the applicable cash payment.” Notwithstanding anything to the contrary contained herein, the Company shall only be required to make cash payments pursuant to this Section 1(g) with respect to Exercise Notices delivered
following the earlier of the termination or consummation of the Merger (as defined in the Certificate of Designations) other than during the 100 day period immediately following the termination of the Merger. 

2. ADJUSTMENT OF EXERCISE PRICE AND NUMBER OF WARRANT SHARES. The Exercise Price and the number of Warrant Shares shall be adjusted
from time to time as follows: 
 (a) Adjustment Upon Issuance of Shares of Common Stock. If and whenever on or after the Subscription Date,
the Company issues or sells, or in accordance with this Section 2 is deemed to have issued or sold, any shares of Common Stock (including the issuance or sale of shares of Common Stock owned or held by or for the account of the Company, but
excluding shares of Common Stock deemed to have been issued or sold by the Company in connection 

  
 7 

 
with any Excluded Securities for a consideration per share (the “New Issuance Price”) less than a price (the “Applicable Price”) equal to the Exercise Price in
effect immediately prior to such issue or sale or deemed issuance or sale (the foregoing a “Dilutive Issuance”), then immediately after such Dilutive Issuance, the Exercise Price then in effect shall be reduced to an amount equal to
the New Issuance Price. For purposes of determining the adjusted Exercise Price under this Section 2(a), the following shall be applicable: 

(i) Issuance of Options. If the Company in any manner grants or sells any Options and the lowest price per share for which one share
of Common Stock is issuable upon the exercise of any such Option or upon conversion, exercise or exchange of any Convertible Securities issuable upon exercise of any such Option is less than the Applicable Price, then such share of Common Stock
shall be deemed to be outstanding and to have been issued and sold by the Company at the time of the granting or sale of such Option for such price per share. For purposes of this Section 2(a)(i), the “lowest price per share for which one
share of Common Stock is issuable upon the exercise of any such Options or upon conversion, exercise or exchange of any Convertible Securities issuable upon exercise of any such Option” shall be equal to the sum of the lowest amounts of
consideration (if any) received or receivable by the Company with respect to any one share of Common Stock upon the granting or sale of the Option, upon exercise of the Option and upon conversion, exercise or exchange of any Convertible Security
issuable upon exercise of such Option less any consideration paid or payable by the Company with respect to such one share of Common Stock upon the granting or sale of such Option, upon exercise of such Option and upon conversion exercise or
exchange of any Convertible Security issuable upon exercise of such Option. No further adjustment of the Exercise Price shall be made upon the actual issuance of such shares of Common Stock or of such Convertible Securities upon the exercise of such
Options or upon the actual issuance of such shares of Common Stock upon conversion, exercise or exchange of such Convertible Securities. 

(ii) Issuance of Convertible Securities. If the Company in any manner issues or sells any Convertible Securities and the lowest price
per share for which one share of Common Stock is issuable upon the conversion, exercise or exchange thereof is less than the Applicable Price, then such share of Common Stock shall be deemed to be outstanding and to have been issued and sold by the
Company at the time of the issuance or sale of such Convertible Securities for such price per share. For the purposes of this Section 2(a)(ii), the “lowest price per share for which one share of Common Stock is issuable upon the
conversion, exercise or exchange thereof” shall be equal to the sum of the lowest amounts of consideration (if any) received or receivable by the Company with respect to any one share of Common Stock upon the issuance or sale of the Convertible
Security and upon conversion, exercise or exchange of such Convertible Security less any consideration paid or payable by the Company with respect to such one share of Common Stock upon the issuance or sale of such Convertible Security and upon
conversion, exercise or exchange of such Convertible Security. No further adjustment of the Exercise Price shall be made upon the actual issuance of such shares of Common Stock upon conversion, exercise or exchange of such Convertible Securities,
and if any such issue or sale of such Convertible Securities is made upon exercise of any Options for which adjustment of this Warrant has been or is to be made pursuant to other provisions of this Section 2(a), no further adjustment of the
Exercise Price shall be made by reason of such issue or sale. 

  
 8 

 (iii) Change in Option Price or Rate of Conversion. If the purchase price provided for in
any Options, the additional consideration, if any, payable upon the issue, conversion, exercise or exchange of any Convertible Securities, or the rate at which any Convertible Securities are convertible into or exercisable or exchangeable for shares
of Common Stock increases or decreases at any time, the Exercise Price in effect at the time of such increase or decrease shall be adjusted to the Exercise Price which would have been in effect at such time had such Options or Convertible Securities
provided for such increased or decreased purchase price, additional consideration or increased or decreased conversion rate, as the case may be, at the time initially granted, issued or sold. For purposes of this Section 2(a)(iii), if the terms
of any Option or Convertible Security that was outstanding as of the Subscription Date are increased or decreased in the manner described in the immediately preceding sentence, then such Option or Convertible Security and the shares of Common Stock
deemed issuable upon exercise, conversion or exchange thereof shall be deemed to have been issued as of the date of such increase or decrease. No adjustment pursuant to this Section 2(a) shall be made if such adjustment would result in an
increase of the Exercise Price then in effect. 
 (iv) Calculation of Consideration Received. In case any Option is issued in
connection with the issue or sale of other securities of the Company, together comprising one integrated transaction, (x) the Options will be deemed to have been issued for the Option Value of such Options and (y) the other securities
issued or sold in such integrated transaction shall be deemed to have been issued or sold for the difference of (I) the aggregate consideration received by the Company less any consideration paid or payable by the Company pursuant to the terms
of such other securities of the Company, less (II) the Option Value. If any shares of Common Stock, Options or Convertible Securities are issued or sold or deemed to have been issued or sold for cash, the consideration other than cash received
therefor will be deemed to be the net amount received by the Company therefor. If any shares of Common Stock, Options or Convertible Securities are issued or sold for a consideration other than cash, the amount of such consideration received by the
Company will be the fair value of such consideration, except where such consideration consists of publicly traded securities, in which case the amount of consideration received by the Company will be the Closing Sale Price of such publicly traded
securities on the date of receipt of such publicly traded securities. If any shares of Common Stock, Options or Convertible Securities are issued to the owners of the non-surviving entity in connection with any merger in which the Company is the
surviving entity, the amount of consideration therefor will be deemed to be the fair value of such portion of the net assets and business of the non-surviving entity as is attributable to such shares of Common Stock, Options or Convertible
Securities, as the case may be. The fair value of any consideration other than cash or publicly traded securities will be determined jointly by the Company and the Required Holders. If such parties are unable to reach agreement within ten
(10) days after the occurrence of an event requiring valuation (the “Valuation Event”), the fair value of such consideration will be determined within five (5) Business Days after the tenth (10th) day following the
Valuation Event by an independent, reputable appraiser jointly selected by the Company and the Required Holders. The determination of such appraiser shall be final and binding upon all parties absent manifest error and the fees and expenses of such
appraiser shall be borne by the Company. 
 (v) Record Date. If the Company takes a record of the holders of shares of Common Stock
for the purpose of entitling them (A) to receive a dividend or other 

  
 9 

 
distribution payable in shares of Common Stock, Options or in Convertible Securities or (B) to subscribe for or purchase shares of Common Stock, Options or Convertible Securities, then such
record date will be deemed to be the date of the issue or sale of the shares of Common Stock deemed to have been issued or sold upon the declaration of such dividend or the making of such other distribution or the date of the granting of such right
of subscription or purchase, as the case may be. 
 (vi) No Readjustments. For the avoidance of doubt, in the event the Exercise
Price has been adjusted pursuant to this Section 2(a) and the Dilutive Issuance that triggered such adjustment is unwound or is cancelled after the facts for any reason whatsoever, in no event shall the Exercise Price be readjusted to the
Exercise Price that would have been in effect if such Dilutive Issuance had not occurred or been consummated. 
 (b) Voluntary Adjustment
By Company. The Company may at any time during the term of this Warrant, with the prior written consent of the Required Holders, reduce the then current Exercise Price to any amount and for any period of time deemed appropriate by the Board of
Directors of the Company. 
 (c) Adjustment Upon Subdivision or Combination of Shares of Common Stock. If the Company at any time on
or after the Subscription Date subdivides (by any stock split, stock dividend, recapitalization or otherwise) one or more classes of its outstanding shares of Common Stock into a greater number of shares, the Exercise Price in effect immediately
prior to such subdivision will be proportionately reduced and the number of Warrant Shares will be proportionately increased. If the Company at any time on or after the Subscription Date combines (by combination, reverse stock split or otherwise)
one or more classes of its outstanding shares of Common Stock into a smaller number of shares, the Exercise Price in effect immediately prior to such combination will be proportionately increased and the number of Warrant Shares will be
proportionately decreased. Any adjustment under this Section 2(c) shall become effective at the close of business on the date the subdivision or combination becomes effective. 

(d) Other Events. If any event occurs of the type contemplated by the provisions of this Section 2 but not expressly provided for
by such provisions (including, without limitation, the granting of stock appreciation rights, phantom stock rights or other rights with equity features), then the Company’s Board of Directors will make an appropriate adjustment in the Exercise
Price and the number of Warrant Shares, as mutually determined by the Company’s Board of Directors and the Required Holders, so as to protect the rights of the Holder; provided that no such adjustment pursuant to this Section 2(d) will
increase the Exercise Price or decrease the number of Warrant Shares as otherwise determined pursuant to this Section 2. 
 (e)
Reset. On the Reset Date, the Exercise Price shall be reset to equal the lower of (i) the then current Exercise Price and (ii) ninety percent (90%) of the arithmetic average of the ten (10) lowest Weighted Average Prices
of the Common Stock during the Measuring Period. For the avoidance of doubt, all such Weighted Average Prices shall be appropriately adjusted for any stock dividend, stock split, stock combination, reclassification or similar transaction during the
applicable Measuring Period. 

  
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 (f) Exercise Floor Price. Unless and until such time as the Company obtains stockholder
approval for the issuance of all Securities (as defined in the Securities Purchase Agreement) issued pursuant to the Securities Purchase Agreement required by the rules and regulations of the Principal Market, no adjustment pursuant to
Section 2 shall cause the Exercise Price to be less than $1.21, as adjusted for any stock dividend, stock split, stock combination, reclassification or similar transaction (the “Exercise Floor Price”). For the avoidance of
doubt, if a Dilutive Issuance would cause the Exercise Price to be lower than the Exercise Floor Price but for the immediately preceding sentence (an “Exercise Floor Price Event”), then the Exercise Price shall be equal to the
Exercise Floor Price. Upon the receipt of such stockholder approval, any adjustment to the Exercise Price that would have been made pursuant to this Section 2, but for this Section 2(f), shall be made on the date of such receipt. 

3. RIGHTS UPON DISTRIBUTION OF ASSETS. If the Company shall declare or make any dividend or other distribution of its assets (or rights
to acquire its assets) to holders of shares of Common Stock, by way of return of capital or otherwise (including, without limitation, any distribution of cash, stock or other securities, property, options, evidence of indebtedness or any other
assets by way of a dividend, spin off, reclassification, corporate rearrangement, scheme of arrangement or other similar transaction) (a “Distribution”), at any time after the issuance of this Warrant, then, in each such case, the
Holder shall be entitled to participate in such Distribution to the same extent that the Holder would have participated therein if the Holder had held the number of shares of Common Stock acquirable upon complete exercise of this Warrant (without
regard to any limitations or restrictions on exercise of this Warrant, including without limitation, the Maximum Percentage) immediately before the date of which a record is taken for such Distribution, or, if no such record is taken, the date as of
which the record holders of shares of Common Stock are to be determined for the participation in such Distribution (provided, however, that to the extent that the Holder’s right to participate in any such Distribution would result
in the Holder and the other Attribution Parties exceeding the Maximum Percentage, then the Holder shall not be entitled to participate in such Distribution to such extent (and shall not be entitled to beneficial ownership of such shares of Common
Stock as a result of such Distribution (and beneficial ownership) to such extent) and the portion of such Distribution shall be held in abeyance for the benefit of the Holder until such time or times as its right thereto would not result in the
Holder and the other Attribution Parties exceeding the Maximum Percentage, at which time or times the Holder shall be granted such Distribution (and any Distributions declared or made on such initial Distribution or on any subsequent Distribution
held similarly in abeyance) to the same extent as if there had been no such limitation). 
 4. PURCHASE RIGHTS; FUNDAMENTAL
TRANSACTIONS. 
 (a) Purchase Rights. In addition to any adjustments pursuant to Section 2 above, if at any time the Company
grants, issues or sells any Options, Convertible Securities or rights to purchase stock, warrants, securities or other property pro rata to the record holders of any class of Common Stock (the “Purchase Rights”), then the Holder
will be entitled to acquire, upon the terms applicable to such Purchase Rights, the aggregate Purchase Rights which the Holder could have acquired if the Holder had held the number of shares of Common Stock acquirable upon complete exercise of this
Warrant (without regard to any limitations or restrictions on exercise of this Warrant, including without limitation, the Maximum Percentage) immediately before the date on which a record is taken for the grant, issuance or sale of such

  
 11 

 
Purchase Rights, or, if no such record is taken, the date as of which the record holders of shares of Common Stock are to be determined for the grant, issue or sale of such Purchase Rights
(provided, however, that to the extent that the Holder’s right to participate in any such Purchase Right would result in the Holder and the other Attribution Parties exceeding the Maximum Percentage, then the Holder shall not be
entitled to participate in such Purchase Right to such extent (and shall not be entitled to beneficial ownership of such shares of Common Stock as a result of such Purchase Right (and beneficial ownership) to such extent) and such Purchase Right to
such extent shall be held in abeyance for the benefit of the Holder until such time or times as its right thereto would not result in the Holder and the other Attribution Parties exceeding the Maximum Percentage, at which time or times the Holder
shall be granted such right (and any Purchase Right granted, issued or sold on such initial Purchase Right or on any subsequent Purchase Right held similarly in abeyance) to the same extent as if there had been no such limitation). 

(b) Fundamental Transactions. The Company shall not enter into or be party to a Fundamental Transaction unless (i) the Successor
Entity assumes in writing all of the obligations of the Company under this Warrant and the other Transaction Documents in accordance with the provisions of this Section 4(b) pursuant to written agreements to deliver to each holder of the SPA
Warrants in exchange for such SPA Warrants a security of the Successor Entity evidenced by a written instrument substantially similar in form and substance to this Warrant, including, without limitation, an adjusted exercise price equal to the value
for the shares of Common Stock reflected by the terms of such Fundamental Transaction, and exercisable for a corresponding number of shares of capital stock equivalent to the shares of Common Stock acquirable and receivable upon exercise of this
Warrant (without regard to any limitations on the exercise of this Warrant) prior to such Fundamental Transaction, and satisfactory to the Required Holders, and with an exercise price which applies the exercise price hereunder to such shares of
capital stock (but taking into account the relative value of the shares of Common Stock pursuant to such Fundamental Transaction and the value of such shares of capital stock, such adjustments to the number of shares of capital stock and such
exercise price being for the purpose of protecting the economic value of this Warrant immediately prior to the occurrence or consummation of such Fundamental Transaction), and (ii) the Successor Entity (including its Parent Entity) is a
publicly traded corporation whose common stock is quoted on or listed for trading on an Eligible Market. Any security issuable or potentially issuable to the Holder pursuant to the terms of this Warrant on the consummation of a Fundamental
Transaction shall be registered and freely tradable by the Holder without any restriction or limitation or the requirement to be subject to any holding period pursuant to any applicable securities laws. Upon the occurrence or consummation of any
Fundamental Transaction, and it shall be a required condition to the occurrence or consummation of any Fundamental Transaction that, the Company and the Successor Entity or Successor Entities, jointly and severally, shall succeed to, and the Company
shall cause any Successor Entity or Successor Entities to jointly and severally succeed to, and be added to the term “Company” under this Warrant (so that from and after the date of such Fundamental Transaction, each and every provision of
this Warrant referring to the “Company” shall refer instead to each of the Company and the Successor Entity or Successor Entities, jointly and severally), and the Company and the Successor Entity or Successor Entities, jointly and
severally, may exercise every right and power of the Company prior thereto and shall assume all of the obligations of the Company prior thereto under this Warrant with the same effect as if the Company and such Successor Entity or Successor
Entities, jointly and severally, 

  
 12 

 
had been named as the Company in this Warrant, and, solely at the request of the Holder, if the Successor Entity and/or Successor Entities is a publicly traded corporation whose common stock is
quoted on or listed for trading on an Eligible Market, shall deliver (in addition to and without limiting any right under this Warrant) to the Holder in exchange for this Warrant a security of the Successor Entity and/or Successor Entities evidenced
by a written instrument substantially similar in form and substance to this Warrant and exercisable for a corresponding number of shares of capital stock of the Successor Entity and/or Successor Entities (the “Successor Capital
Stock”) equivalent to the shares of Common Stock acquirable and receivable upon exercise of this Warrant (without regard to any limitations on the exercise of this Warrant) prior to such Fundamental Transaction (such corresponding number of
shares of Successor Capital Stock to be delivered to the Holder shall be equal to the greater of (I) the quotient of (x) the aggregate dollar value of all consideration (including cash consideration and any consideration other than cash
(“Non-Cash Consideration”), in such Fundamental Transaction, as such values are set forth in any definitive agreement for the Fundamental Transaction that has been executed at the time of the first public announcement of the
Fundamental Transaction or, if no such value is determinable from such definitive agreement, as determined in accordance with Section 12 with the term “Non-Cash Consideration” being substituted for the term “Exercise Price”)
that the Holder would have been entitled to receive upon the happening of such Fundamental Transaction or the record, eligibility or other determination date for the event resulting in such Fundamental Transaction, had this Warrant been exercised
immediately prior to such Fundamental Transaction or the record, eligibility or other determination date for the event resulting in such Fundamental Transaction (without regard to any limitations on the exercise of this Warrant) (the
“Aggregate Consideration”) divided by (y) the per share Closing Sale Price of such Successor Capital Stock on the Trading Day immediately prior to the consummation or occurrence of the Fundamental Transaction and (II) the
product of (x) the Aggregate Consideration and (y) the highest exchange ratio pursuant to which any stockholders of the Company may exchange Common Stock for Successor Capital Stock) (provided, however, to the extent that the
Holder’s right to receive any such shares of publicly traded common stock (or their equivalent) of the Successor Entity would result in the Holder and its other Attribution Parties exceeding the Maximum Percentage, if applicable, then the
Holder shall not be entitled to receive such shares to such extent (and shall not be entitled to beneficial ownership of such shares of publicly traded common stock (or their equivalent) of the Successor Entity as a result of such consideration to
such extent) and the portion of such shares shall be held in abeyance for the Holder until such time or times, as its right thereto would not result in the Holder and its other Attribution Parties exceeding the Maximum Percentage, at which time or
times the Holder shall be delivered such shares to the extent as if there had been no such limitation), and such security shall be satisfactory to the Holder, and with an identical exercise price to the Exercise Price hereunder (such adjustments to
the number of shares of capital stock and such exercise price being for the purpose of protecting after the consummation or occurrence of such Fundamental Transaction the economic value of this Warrant that was in effect immediately prior to the
consummation or occurrence of such Fundamental Transaction, as elected by the Holder solely at its option). Upon occurrence or consummation of the Fundamental Transaction, and it shall be a required condition to the occurrence or consummation of
such Fundamental Transaction that, the Company and the Successor Entity or Successor Entities shall deliver to the Holder confirmation that there shall be issued upon exercise of this Warrant at any time after the occurrence or consummation of the
Fundamental Transaction, as elected by the Holder solely at its option, 

  
 13 

 
shares of Common Stock, Successor Capital Stock or, in lieu of the shares of Common Stock or Successor Capital Stock (or other securities, cash, assets or other property purchasable upon the
exercise of this Warrant prior to such Fundamental Transaction), such shares of stock, securities, cash, assets or any other property whatsoever (including warrants or other purchase or subscription rights), which for purposes of clarification may
continue to be shares of Common Stock, if any, that the Holder would have been entitled to receive upon the happening of such Fundamental Transaction or the record, eligibility or other determination date for the event resulting in such Fundamental
Transaction, had this Warrant been exercised immediately prior to such Fundamental Transaction or the record, eligibility or other determination date for the event resulting in such Fundamental Transaction (without regard to any limitations on the
exercise of this Warrant), as adjusted in accordance with the provisions of this Warrant. In addition to and not in substitution for any other rights hereunder, prior to the occurrence or consummation of any Fundamental Transaction pursuant to which
holders of shares of Common Stock are entitled to receive securities, cash, assets or other property with respect to or in exchange for shares of Common Stock (a “Corporate Event”), the Company shall make appropriate provision to
insure that, and any applicable Successor Entity or Successor Entities shall ensure that, and it shall be a required condition to the occurrence or consummation of such Corporate Event that, the Holder will thereafter have the right to receive upon
exercise of this Warrant at any time after the occurrence or consummation of the Corporate Event, shares of Common Stock or Successor Capital Stock or, if so elected by the Holder, in lieu of the shares of Common Stock (or other securities, cash,
assets or other property) purchasable upon the exercise of this Warrant prior to such Corporate Event (but not in lieu of such items still issuable under Sections 3 and 4(a), which shall continue to be receivable on the Common Stock or on the such
shares of stock, securities, cash, assets or any other property otherwise receivable with respect to or in exchange for shares of Common Stock), such shares of stock, securities, cash, assets or any other property whatsoever (including warrants or
other purchase or subscription rights and any shares of Common Stock) which the Holder would have been entitled to receive upon the occurrence or consummation of such Corporate Event or the record, eligibility or other determination date for the
event resulting in such Corporate Event, had this Warrant been exercised immediately prior to such Corporate Event or the record, eligibility or other determination date for the event resulting in such Corporate Event (without regard to any
limitations on exercise of this Warrant). Provision made pursuant to the preceding sentence shall be in a form and substance reasonably satisfactory to the Holder. The provisions of this Section 4(b) shall apply similarly and equally to
successive Fundamental Transactions and Corporate Events. 
 (c) Notwithstanding the foregoing, in the event of a Non-Merger Fundamental
Transaction, at the request of the Holder delivered before the ninetieth (90th) day after the occurrence or consummation of such Non-Merger Fundamental Transaction, the Company (or the Successor Entity) shall purchase this Warrant from the
Holder by paying to the Holder, within five (5) Business Days after such request (or, if later, on the effective date of the Non-Merger Fundamental Transaction), cash in an amount equal to the Black Scholes Value of the remaining unexercised
portion of this Warrant on the date of such Fundamental Transaction. 
 5. NONCIRCUMVENTION. The Company hereby covenants and agrees
that the Company will not, by amendment of its Certificate of Incorporation or Bylaws, or through any reorganization, transfer of assets, consolidation, merger, scheme of arrangement, dissolution, issue or sale of securities, or any other voluntary
action, avoid or seek to avoid the observance or 

  
 14 

 
performance of any of the terms of this Warrant, and will at all times in good faith carry out all of the provisions of this Warrant and take all action as may be required to protect the rights
of the Holder. Without limiting the generality of the foregoing, the Company (i) shall not increase the par value of any shares of Common Stock receivable upon the exercise of this Warrant above the Exercise Price then in effect,
(ii) shall take all such actions as may be necessary or appropriate in order that the Company may validly and legally issue fully paid and nonassessable shares of Common Stock upon the exercise of this Warrant, and (iii) shall, so long as
any of the SPA Warrants are outstanding, take all action necessary to reserve and keep available out of its authorized and unissued shares of Common Stock, solely for the purpose of effecting the exercise of the SPA Warrants, the number of shares of
Common Stock as shall from time to time be necessary to effect the exercise of the SPA Warrants then outstanding (without regard to any limitations on exercise). 

6. WARRANT HOLDER NOT DEEMED A STOCKHOLDER. Except as otherwise specifically provided herein, the Holder, solely in such Person’s
capacity as a holder of this Warrant, shall not be entitled to vote or receive dividends or be deemed the holder of share capital of the Company for any purpose, nor shall anything contained in this Warrant be construed to confer upon the Holder,
solely in such Person’s capacity as the Holder of this Warrant, any of the rights of a stockholder of the Company or any right to vote, give or withhold consent to any corporate action (whether any reorganization, issue of stock,
reclassification of stock, consolidation, merger, conveyance or otherwise), receive notice of meetings, receive dividends or subscription rights, or otherwise, prior to the issuance to the Holder of the Warrant Shares which such Person is then
entitled to receive upon the due exercise of this Warrant. In addition, nothing contained in this Warrant shall be construed as imposing any liabilities on the Holder to purchase any securities (upon exercise of this Warrant or otherwise) or as a
stockholder of the Company, whether such liabilities are asserted by the Company or by creditors of the Company. Notwithstanding this Section 6, the Company shall provide the Holder with copies of the same notices and other information given to
the stockholders of the Company generally, contemporaneously with the giving thereof to the stockholders. 
 7. REISSUANCE OF
WARRANTS. 
 (a) Transfer of Warrant. If this Warrant is to be transferred, the Holder shall surrender this Warrant to the
Company, whereupon the Company will forthwith issue and deliver upon the order of the Holder a new Warrant (in accordance with Section 7(d)), registered as the Holder may request, representing the right to purchase the number of Warrant Shares
being transferred by the Holder and, if less than the total number of Warrant Shares then underlying this Warrant is being transferred, a new Warrant (in accordance with Section 7(d)) to the Holder representing the right to purchase the number
of Warrant Shares not being transferred. 
 (b) Lost, Stolen or Mutilated Warrant. Upon receipt by the Company of evidence reasonably
satisfactory to the Company of the loss, theft, destruction or mutilation of this Warrant, and, in the case of loss, theft or destruction, of any indemnification undertaking by the Holder to the Company in customary form and, in the case of
mutilation, upon surrender and cancellation of this Warrant, the Company shall execute and deliver to the Holder a new Warrant (in accordance with Section 7(d)) representing the right to purchase the Warrant Shares then underlying this Warrant.

  
 15 

 (c) Exchangeable for Multiple Warrants. This Warrant is exchangeable, upon the surrender
hereof by the Holder at the principal office of the Company, for a new Warrant or Warrants (in accordance with Section 7(d)) representing in the aggregate the right to purchase the number of Warrant Shares then underlying this Warrant, and each
such new Warrant will represent the right to purchase such portion of such Warrant Shares as is designated by the Holder at the time of such surrender; provided, however, that no SPA Warrants for fractional Warrant Shares shall be given. 

(d) Issuance of New Warrants. Whenever the Company is required to issue a new Warrant pursuant to the terms of this Warrant, such new
Warrant (i) shall be of like tenor with this Warrant, (ii) shall represent, as indicated on the face of such new Warrant, the right to purchase the Warrant Shares then underlying this Warrant (or in the case of a new Warrant being issued
pursuant to Section 7(a) or Section 7(c), the Warrant Shares designated by the Holder which, when added to the number of shares of Common Stock underlying the other new Warrants issued in connection with such issuance, does not exceed the
number of Warrant Shares then underlying this Warrant), (iii) shall have an issuance date, as indicated on the face of such new Warrant which is the same as the Issuance Date, and (iv) shall have the same rights and conditions as this
Warrant. 
 8. NOTICES. Whenever notice is required to be given under this Warrant, unless otherwise provided herein, such notice
shall be given in accordance with Section 9(f) of the Securities Purchase Agreement. The Company shall provide the Holder with prompt written notice of all actions taken pursuant to this Warrant, including in reasonable detail a description of
such action and the reason therefor. Without limiting the generality of the foregoing, the Company will give written notice to the Holder (i) immediately upon any adjustment of the Exercise Price, setting forth in reasonable detail, and
certifying, the calculation of such adjustment and (ii) at least fifteen (15) days prior to the date on which the Company closes its books or takes a record (A) with respect to any dividend or distribution upon the shares of Common
Stock, (B) with respect to any grants, issuances or sales of any Options, Convertible Securities or rights to purchase stock, warrants, securities or other property to holders of shares of Common Stock or (C) for determining rights to vote
with respect to any Fundamental Transaction, dissolution or liquidation; provided in each case that such information shall be made known to the public prior to or in conjunction with such notice being provided to the Holder. It is expressly
understood and agreed that the time of exercise specified by the Holder in each Exercise Notice shall be definitive and may not be disputed or challenged by the Company. 

9. AMENDMENT AND WAIVER. Except as otherwise provided herein, the provisions of this Warrant may be amended or waived and the Company
may take any action herein prohibited, or omit to perform any act herein required to be performed by it, only if the Company has obtained the written consent of the Holder. 

10. GOVERNING LAW; JURISDICTION; JURY TRIAL. This Warrant shall be governed by and construed and enforced in accordance with, and all
questions concerning the construction, validity, interpretation and performance of this Warrant shall be governed by, the internal laws of the State of New York, without giving effect to any choice of law or conflict of law provision or rule
(whether of the State of New York or any other jurisdictions) that would cause the application of the laws of any jurisdictions other than the State of New York. The 

  
 16 

 
Company hereby irrevocably submits to the exclusive jurisdiction of the state and federal courts sitting in The City of New York, Borough of Manhattan, for the adjudication of any dispute
hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein, and hereby irrevocably waives, and agrees not to assert in any suit, action or proceeding, any claim that it is not personally subject to the
jurisdiction of any such court, that such suit, action or proceeding is brought in an inconvenient forum or that the venue of such suit, action or proceeding is improper. The Company hereby irrevocably waives personal service of process and consents
to process being served in any such suit, action or proceeding by mailing a copy thereof to the Company at the address set forth in Section 9(f) of the Securities Purchase Agreement and agrees that such service shall constitute good and
sufficient service of process and notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve process in any manner permitted by law. Nothing contained herein shall be deemed or operate to preclude the Holder from
bringing suit or taking other legal action against the Company in any other jurisdiction to collect on the Company’s obligations to the Holder, to realize on any collateral or any other security for such obligations, or to enforce a judgment or
other court ruling in favor of the Holder. THE COMPANY HEREBY IRREVOCABLY WAIVES ANY RIGHT IT MAY HAVE, AND AGREES NOT TO REQUEST, A JURY TRIAL FOR THE ADJUDICATION OF ANY DISPUTE HEREUNDER OR IN CONNECTION WITH OR ARISING OUT OF THIS WARRANT OR
ANY TRANSACTION CONTEMPLATED HEREBY. 
 11. CONSTRUCTION; HEADINGS. This Warrant shall be deemed to be jointly drafted by the
Company and all the Buyers and shall not be construed against any Person as the drafter hereof. The headings of this Warrant are for convenience of reference and shall not form part of, or affect the interpretation of, this Warrant. 

12. DISPUTE RESOLUTION. In the case of a dispute as to the determination of the Exercise Price or the arithmetic calculation of the
Warrant Shares, the Company shall submit the disputed determinations or arithmetic calculations via facsimile within two (2) Business Days of receipt of the Exercise Notice giving rise to such dispute, as the case may be, to the Holder. If the
Holder and the Company are unable to agree upon such determination or calculation of the Exercise Price or the Warrant Shares within three (3) Business Days of such disputed determination or arithmetic calculation being submitted to the Holder,
then the Company shall, within two (2) Business Days submit via facsimile (a) the disputed determination of the Exercise Price to an independent, reputable investment bank selected by the Company and approved by the Holder or (b) the
disputed arithmetic calculation of the Warrant Shares to the Company’s independent, outside accountant. The Company shall cause at its expense the investment bank or the accountant, as the case may be, to perform the determinations or
calculations and notify the Company and the Holder of the results no later than ten (10) Business Days from the time it receives the disputed determinations or calculations. Such investment bank’s or accountant’s determination or
calculation, as the case may be, shall be binding upon all parties absent demonstrable error. 
 13. REMEDIES, OTHER OBLIGATIONS,
BREACHES AND INJUNCTIVE RELIEF. The remedies provided in this Warrant shall be cumulative and in addition to all other remedies available under this Warrant and the other Transaction Documents, at law or in equity (including a decree of specific
performance and/or other injunctive relief), and nothing herein 

  
 17 

 
shall limit the right of the Holder to pursue actual damages for any failure by the Company to comply with the terms of this Warrant. The Company acknowledges that a breach by it of its
obligations hereunder will cause irreparable harm to the Holder and that the remedy at law for any such breach may be inadequate. The Company therefore agrees that, in the event of any such breach or threatened breach, the holder of this Warrant
shall be entitled, in addition to all other available remedies, to an injunction restraining any breach, without the necessity of showing economic loss and without any bond or other security being required. 

14. TRANSFER. This Warrant and the Warrant Shares may be offered for sale, sold, transferred, pledged or assigned without the consent
of the Company, except as may otherwise be required by Section 2(f) of the Securities Purchase Agreement. 
 15. SEVERABILITY.
If any provision of this Warrant is prohibited by law or otherwise determined to be invalid or unenforceable by a court of competent jurisdiction, the provision that would otherwise be prohibited, invalid or unenforceable shall be deemed amended to
apply to the broadest extent that it would be valid and enforceable, and the invalidity or unenforceability of such provision shall not affect the validity of the remaining provisions of this Warrant so long as this Warrant as so modified continues
to express, without material change, the original intentions of the parties as to the subject matter hereof and the prohibited nature, invalidity or unenforceability of the provision(s) in question does not substantially impair the respective
expectations or reciprocal obligations of the parties or the practical realization of the benefits that would otherwise be conferred upon the parties. The parties will endeavor in good faith negotiations to replace the prohibited, invalid or
unenforceable provision(s) with a valid provision(s), the effect of which comes as close as possible to that of the prohibited, invalid or unenforceable provision(s). 

16. DISCLOSURE. Upon receipt or delivery by the Company of any notice in accordance with the terms of this Warrant, unless the Company
has in good faith determined that the matters relating to such notice do not constitute material, nonpublic information relating to the Company or its Subsidiaries (as defined in the Securities Purchase Agreement), the Company shall within one
(1) Business Day after any such receipt or delivery publicly disclose such material, nonpublic information on a Current Report on Form 8-K or otherwise. In the event that the Company believes that a notice contains material, nonpublic
information relating to the Company or its Subsidiaries, the Company so shall indicate to such Holder contemporaneously with delivery of such notice, and in the absence of any such indication, the Holder shall be allowed to presume that all matters
relating to such notice do not constitute material, nonpublic information relating to the Company or its Subsidiaries. 
 17. CERTAIN
DEFINITIONS. For purposes of this Warrant, the following terms shall have the following meanings: 
 (a) “1933 Act”
means the Securities Act of 1933, as amended. 
 (b) “Affiliate” means, with respect to any Person, any other Person that
directly or indirectly controls, is controlled by, or is under common control with, such Person, it being understood for purposes of this definition that “control” of a Person means the power directly or indirectly either to vote 10% or
more of the stock having ordinary voting power for 

  
 18 

 
the election of directors of such Person or direct or cause the direction of the management and policies of such Person whether by contract or otherwise. Notwithstanding anything to the contrary
contained herein and for the avoidance of doubt, none of the Holders shall be considered to be Affiliates of Mabvax Therapuetics, Inc. 

(c) “Attribution Parties” means, collectively, the following Persons and entities: (i) any investment vehicle,
including, any funds, feeder funds or managed accounts, currently, or from time to time after the Issuance Date, directly or indirectly managed or advised by the Holder’s investment manager or any of its Affiliates or principals, (ii) any
direct or indirect Affiliates of the Holder or any of the foregoing, (iii) any Person acting or who could be deemed to be acting as a Group together with the Holder or any of the foregoing and (iv) any other Persons whose beneficial
ownership of the Company’s Common Stock would or could be aggregated with the Holder’s and the other Attribution Parties for purposes of Section 13(d) of the 1934 Act. For clarity, the purpose of the foregoing is to subject
collectively the Holder and all other Attribution Parties to the Maximum Percentage. 
 (d) “Approved Stock Plan” means any
employee benefit plan which has been approved by the Board of Directors of the Company, pursuant to which the Company’s securities may be issued to any employee, officer or director for services provided to the Company. 

(e) “Black Scholes Value” means the value of this Warrant based on the Black-Scholes Option Pricing Model obtained from the
“OV” function on Bloomberg determined as of the day immediately following the public announcement of the applicable Fundamental Transaction, or, if the Fundamental Transaction is not publicly announced, the date the Fundamental Transaction
is consummated, for pricing purposes and reflecting (i) a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to the remaining term of this Warrant as of such date of request, (ii) an expected volatility
equal to the greater of 100% and the 100 day volatility obtained from the HVT function on Bloomberg as of the day immediately following the public announcement of the applicable Fundamental Transaction, or, if the Fundamental Transaction is not
publicly announced, the date the Fundamental Transaction is consummated, (iii) the underlying price per share used in such calculation shall be the sum of the price per share being offered in cash, if any, plus the value of any non-cash
consideration, if any, being offered in the Fundamental Transaction, (iv) a zero cost of borrow and (v) a 360 day annualization factor. 

(f) “Bloomberg” means Bloomberg Financial Markets. 

(g) “Business Day” means any day other than Saturday, Sunday or other day on which commercial banks in The City of New York
are authorized or required by law to remain closed. 
 (h) “Certificate of Designations” means the certificate of
designations for the Series B Convertible Preferred Stock in the form attached as Exhibit A to the Securities Purchase Agreement. 

  
 19 

 (i) “Closing Bid Price” and “Closing Sale Price” means, for any
security as of any date, the last closing bid price and last closing trade price, respectively, for such security on the Principal Market, as reported by Bloomberg, or, if the Principal Market begins to operate on an extended hours basis and does
not designate the closing bid price or the closing trade price, as the case may be, then the last bid price or the last trade price, respectively, of such security prior to 4:00:00 p.m., New York time, as reported by Bloomberg, or, if the Principal
Market is not the principal securities exchange or trading market for such security, the last closing bid price or last trade price, respectively, of such security on the principal securities exchange or trading market where such security is listed
or traded as reported by Bloomberg, or if the foregoing do not apply, the last closing bid price or last trade price, respectively, of such security in the over-the-counter market on the electronic bulletin board for such security as reported by
Bloomberg, or, if no closing bid price or last trade price, respectively, is reported for such security by Bloomberg, the average of the bid prices, or the ask prices, respectively, of any market makers for such security as reported in the OTC Link
or “pink sheets” by OTC Markets Group Inc. (formerly Pink OTC Markets Inc.). If the Closing Bid Price or the Closing Sale Price cannot be calculated for a security on a particular date on any of the foregoing bases, the Closing Bid Price
or the Closing Sale Price, as the case may be, of such security on such date shall be the fair market value as mutually determined by the Company and the Holder. If the Company and the Holder are unable to agree upon the fair market value of such
security, then such dispute shall be resolved pursuant to Section 12. All such determinations to be appropriately adjusted for any stock dividend, stock split, stock combination, reclassification or other similar transaction during the
applicable calculation period. 
 (j) “Common Stock” means (i) the Company’s shares of Common Stock, par value
$0.01 per share, and (ii) any share capital into which such Common Stock shall have been changed or any share capital resulting from a reclassification of such Common Stock. 

(k) “Convertible Securities” means any stock or securities (other than Options) directly or indirectly convertible into or
exercisable or exchangeable for shares of Common Stock. 
 (l) “Eligible Market” means The New York Stock Exchange, Inc.,
the NYSE MKT LLC, The NASDAQ Global Select Market, The NASDAQ Global Market, and the OTCQX and OTCQB marketplaces. 
 (m) “Excluded
Securities” means any Common Stock issued or issuable: (i) upon exercise of the SPA Warrants; provided, that the terms of the SPA Warrants are not amended, modified or changed on or after the Subscription Date;
(ii) pursuant to the terms of the Preferred Shares (as defined in the Securities Purchase Agreement) in accordance the Certificate of Designations, (iii) upon exercise of any Options or Convertible Securities which are outstanding on the
day immediately preceding the Subscription Date; provided, that such issuance of Common Stock upon exercise of such Options or Convertible Securities is made pursuant to the terms of such Options or Convertible Securities in effect on the date
immediately preceding the Subscription Date and the terms of such Options or Convertible Securities are not amended, modified or changed on or after the Subscription Date, (iv) under an Approved Stock Plan or (v) pursuant to the Merger
Agreement as in effect on the Subscription Date. 

  
 20 

 (n) “Expiration Date” means the date sixty (60) months after the Issuance
Date or, if such date falls on a day other than a Business Day or on which trading does not take place on the Principal Market (a “Holiday”), the next day that is not a Holiday. 

(o) “Fundamental Transaction” means (A) that the Company shall, directly or indirectly, including through subsidiaries,
Affiliates or otherwise, in one or more related transactions, (i) consolidate or merge with or into (whether or not the Company is the surviving corporation) another Subject Entity, or (ii) sell, assign, transfer, convey or otherwise
dispose of all or substantially all of the properties or assets of the Company or any of its “significant subsidiaries” (as defined in Rule 1-02 of Regulation S-X) to one or more Subject Entities, or (iii) make, or allow one or more
Subject Entities to make, or allow the Company to be subject to or have its Common Stock be subject to or party to one or more Subject Entities making, a purchase, tender or exchange offer that is accepted by the holders of at least either
(x) 50% of the outstanding shares of Common Stock, (y) 50% of the outstanding shares of Common Stock calculated as if any shares of Common Stock held by all Subject Entities making or party to, or Affiliated with any Subject Entities
making or party to, such purchase, tender or exchange offer were not outstanding; or (z) such number of shares of Common Stock such that all Subject Entities making or party to, or Affiliated with any Subject Entity making or party to, such
purchase, tender or exchange offer, become collectively the beneficial owners (as defined in Rule 13d-3 under the 1934 Act) of at least 50% of the outstanding shares of Common Stock, or (iv) consummate a stock purchase agreement or other
business combination (including, without limitation, a reorganization, recapitalization, spin-off or scheme of arrangement) with one or more Subject Entities whereby all such Subject Entities, individually or in the aggregate, acquire, either
(x) at least 50% of the outstanding shares of Common Stock, (y) at least 50% of the outstanding shares of Common Stock calculated as if any shares of Common Stock held by all the Subject Entities making or party to, or Affiliated with any
Subject Entity making or party to, such stock purchase agreement or other business combination were not outstanding; or (z) such number of shares of Common Stock such that the Subject Entities become collectively the beneficial owners (as
defined in Rule 13d-3 under the 1934 Act) of at least 50% of the outstanding shares of Common Stock, or (v) reorganize, recapitalize or reclassify its Common Stock, (B) that the Company shall, directly or indirectly, including through
subsidiaries, Affiliates or otherwise, in one or more related transactions, allow any Subject Entity individually or the Subject Entities in the aggregate to be or become the “beneficial owner” (as defined in Rule 13d-3 under the 1934
Act), directly or indirectly, whether through acquisition, purchase, assignment, conveyance, tender, tender offer, exchange, reduction in outstanding shares of Common Stock, merger, consolidation, business combination, reorganization,
recapitalization, spin-off, scheme of arrangement, reorganization, recapitalization or reclassification or otherwise in any manner whatsoever, of either (x) at least 50% of the aggregate ordinary voting power represented by issued and
outstanding Common Stock, (y) at least 50% of the aggregate ordinary voting power represented by issued and outstanding Common Stock not held by all such Subject Entities as of the date of this Warrant calculated as if any shares of Common
Stock held by all such Subject Entities were not outstanding, or (z) a percentage of the aggregate ordinary voting power represented by issued and outstanding shares of Common Stock or other equity securities of the Company sufficient to allow
such Subject Entities to effect a statutory short form merger or other transaction requiring other stockholders of the Company to surrender their shares of Common Stock without approval of the stockholders of the Company or (C) directly or
indirectly, including through subsidiaries, Affiliates or otherwise, in one or more related 

  
 21 

 
transactions, the issuance of or the entering into any other instrument or transaction structured in a manner to circumvent, or that circumvents, the intent of this definition in which case this
definition shall be construed and implemented in a manner otherwise than in strict conformity with the terms of this definition to the extent necessary to correct this definition or any portion of this definition which may be defective or
inconsistent with the intended treatment of such instrument or transaction. 
 (p) “Group” means a “group” as
that term is used in Section 13(d) of the 1934 Act and as defined in Rule 13d-5 thereunder. 
 (q) “Lead Investor”
means Bio IP Ventures LLC. 
 (r) “Measuring Period” means the twenty (20) Trading Days immediately preceding the
Reset Date. 
 (s) “Merger” means a merger by and among the Company, Tacoma Acquisition Corp., a Delaware corporation and
Mabvax Therapeutics, Inc., a Delaware corporation, pursuant to the Merger Agreement. 
 (t) “Merger Agreement” means that
certain Agreement and Plan of Merger dated as of May 12, 2014 by and among MabVax, Merger Sub and the Company as amended pursuant to that certain Amendment No. 1 to the Agreement and Plan of Merger, dated June 30, 2014, by and among
MabVax, the Company and Merger Sub and that certain Amendment No. 2 to the Agreement and Plan of Merger, dated July 7, 2014, by and among MabVax, the Company and Merger Sub. 

(u) “Non-Merger Fundamental Transaction” means any Fundamental Transaction other than the Merger. 

(v) “Option Value” means the value of an Option based on the Black and Scholes Option Pricing model obtained from the
“OV” function on Bloomberg determined as of (A) the Trading Day prior to the public announcement of the issuance of the applicable Option, if the issuance of such Option is publicly announced or (B) the Trading Day immediately
following the issuance of the applicable Option if the issuance of such Option is not publicly announced, for pricing purposes and reflecting (i) a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to the
remaining term of the applicable Option as of the applicable date of determination, (ii) an expected volatility equal to the greater of 100% and the 100 day volatility obtained from the HVT function on Bloomberg as of (A) the Trading Day
immediately following the public announcement of the applicable Option if the issuance of such Option is publicly announced or (B) the Trading Day immediately following the issuance of the applicable Option if the issuance of such Option is not
publicly announced, (iii) the underlying price per share used in such calculation shall be the highest Weighted Average Price of the Common Stock during the period beginning on the Trading Day prior to the execution of definitive documentation
relating to the issuance of the applicable Option and ending on (A) the Trading Day immediately following the public announcement of such issuance, if the issuance of such Option is publicly announced or (B) the Trading Day immediately
following the issuance of the applicable Option if the issuance of such Option is not publicly announced, (iv) a zero cost of borrow and (v) a 360 day annualization factor. 

  
 22 

 (w) “Options” means any rights, warrants or options to subscribe for or purchase
shares of Common Stock or Convertible Securities. 
 (x) “Parent Entity” of a Person means an entity that, directly or
indirectly, controls the applicable Person, including such entity whose common shares or common stock or equivalent equity security is quoted or listed on an Eligible Market (or, if so elected by the Required Holders, any other market, exchange or
quotation system), or, if there is more than one such Person or such entity, the Person or Parent Entity designated by the Required Holders or in the absence of such designation, such Person or entity with the largest public market capitalization as
of the date of consummation of the Fundamental Transaction. 
 (y) “Person” means an individual, a limited liability
company, a partnership, a joint venture, a corporation, a trust, an unincorporated organization, any other entity and a government or any department or agency thereof. 

(z) “Principal Market” means the Eligible Market on which shares of the Company’s Common Stock are then traded. 

(aa) “Registration Rights Agreement” means that certain Registration Rights Agreement dated as of the Subscription Date by
and among the Company and the Buyers. 
 (bb) “Registration Statement” shall have the meaning ascribed to such term in the
Registration Rights Agreement. 
 (cc) “Required Holders” means the holders of the SPA Warrants representing at least a
majority of the shares of Common Stock underlying the SPA Warrants then outstanding and shall include the Lead Investor so long as the Lead Investor or any of its Affiliates holds any SPA Warrants. 

(dd) “Reset Date” means the date that is the sixtieth (60th) day immediately following the earlier to occur of
(1) date that all of the shares of Common Stock issued and issuable pursuant to this Warrant have become registered pursuant to an effective Registration Statement and (2) the date that is six (6) months immediately following the
Issuance Date. 
 (ee) “Subject Entity” means any Person, Persons or Group or any Affiliate or associate of any such
Person, Persons or Group. 
 (ff) “Successor Entity” means one or more Person or Persons (or, if so elected by the Holder,
the Company or Parent Entity) which may be the entity formed by, resulting from or surviving any Fundamental Transaction or one or more Person or Persons (or, if so elected by the Holder, the Company or the Parent Entity) with which such Fundamental
Transaction shall have been entered into. 
 (gg) “Trading Day” means any day on which the Common Stock is traded on the
Principal Market, or, if the Principal Market is not the principal trading market for the 

  
 23 

 
Common Stock, then on the principal securities exchange or securities market on which the Common Stock is then traded; provided that “Trading Day” shall not include any day on which the
Common Stock is scheduled to trade on such exchange or market for less than 4.5 hours or any day that the Common Stock is suspended from trading during the final hour of trading on such exchange or market (or if such exchange or market does not
designate in advance the closing time of trading on such exchange or market, then during the hour ending at 4:00:00 p.m., New York time). 

(hh) “Weighted Average Price” means, for any security as of any date, the dollar volume-weighted average price for such
security on the Principal Market during the period beginning at 9:30:01 a.m., New York time (or such other time as the Principal Market publicly announces is the official open of trading), and ending at 4:00:00 p.m., New York time (or such other
time as the Principal Market publicly announces is the official close of trading), as reported by Bloomberg through its “Volume at Price” function or, if the foregoing does not apply, the dollar volume-weighted average price of such
security in the over-the-counter market on the electronic bulletin board for such security during the period beginning at 9:30:01 a.m., New York time (or such other time as such market publicly announces is the official open of trading), and ending
at 4:00:00 p.m., New York time (or such other time as such market publicly announces is the official close of trading), as reported by Bloomberg, or, if no dollar volume-weighted average price is reported for such security by Bloomberg for such
hours, the average of the highest closing bid price and the lowest closing ask price of any of the market makers for such security as reported in the OTC Link or “pink sheets” by OTC Markets Group Inc. (formerly Pink OTC Markets Inc.). If
the Weighted Average Price cannot be calculated for a security on a particular date on any of the foregoing bases, the Weighted Average Price of such security on such date shall be the fair market value as mutually determined by the Company and the
Holder. If the Company and the Holder are unable to agree upon the fair market value of such security, then such dispute shall be resolved pursuant to Section 12 with the term “Weighted Average Price” being substituted for the term
“Exercise Price.” All such determinations shall be appropriately adjusted for any stock dividend, stock split, stock combination, reclassification or other similar transaction during the applicable calculation period. 

[Signature Page Follows] 

  
 24 

 IN WITNESS WHEREOF, the Company has caused this Warrant to Purchase Common Stock to be
duly executed as of the Issuance Date set out above. 
  

			
	TELIK, INC.
		
	By:	 	  

	Name:	 	Michael M. Wick
	Title:	 	Chief Executive Officer

  
 25 

 EXHIBIT A 

EXERCISE NOTICE 
 TO BE
EXECUTED BY THE REGISTERED HOLDER TO EXERCISE THIS 
 WARRANT TO PURCHASE COMMON STOCK 

TELIK, INC. 
 The
undersigned holder hereby exercises the right to purchase                  of the shares of Common Stock (“Warrant Shares”) of Telik, Inc., a Delaware
corporation (the “Company”), evidenced by the attached Warrant to Purchase Common Stock (the “Warrant”). Capitalized terms used herein and not otherwise defined shall have the respective meanings set forth in the
Warrant. 
 1. Form of Exercise Price. The Holder intends that payment of the Exercise Price shall be made as 

 

							
	 	 	a “Cash Exercise” with respect to                      Warrant Shares; and/or
		
	 	 	a “Cashless Exercise” with respect to                      Warrant Shares.

 2. Payment of Exercise Price. In the event that the holder has elected a Cash Exercise with respect to some or
all of the Warrant Shares to be issued pursuant hereto, the holder shall pay the Aggregate Exercise Price in the sum of $            to the Company in accordance with the terms of the
Warrant. 
 3. Delivery of Warrant Shares. The Company shall deliver to the holder Warrant Shares in accordance with the terms of the
Warrant. 
 Date:              ,          

 

					
	  

	Name of Registered Holder
		
	By:	 	  

		 	Name:	 	
		 	Title:	 	

 ACKNOWLEDGMENT 

The Company hereby acknowledges this Exercise Notice and hereby directs Computershare to issue the above indicated number of shares of Common
Stock in accordance with the Transfer Agent Instructions dated May 12, 2014 from the Company and acknowledged and agreed to by Computershare. 
  

			
	TELIK, INC.
		
	By:	 	  

	Name:	 	
	Title:

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