Document:

EX-10.1

 Exhibit 10.1 

SUPPORT AGREEMENT 
 This
SUPPORT AGREEMENT (this “Agreement”), is made as of July 21, 2022, by and between ARS THERAPEUTICS, INC., a Delaware corporation
(the “Company”) and the Person set forth on Schedule A hereto (the “Stockholder”). 

WHEREAS, as of the date hereof, the Stockholder is the holder of the number of shares of common stock, par value $0.0001 per share
(“Parent Shares”), of SILVERBACK THERAPEUTICS, INC., a Delaware corporation (“Parent”), set forth opposite the Stockholder’s name on
Schedule A (all Parent Shares owned by the Stockholder, or hereafter issued to or otherwise acquired, whether beneficially or of record, or owned by the Stockholder prior to the termination of this Agreement, as well as
shares set forth on Schedule A, being referred to herein as the “Subject Shares”); 

WHEREAS, concurrently herewith, the Company, Parent and SABRE MERGER SUB,
INC., a Delaware corporation and wholly owned subsidiary of Parent (“Merger Sub”), have entered into an Agreement and Plan of Merger and Reorganization, dated as of the date hereof (the “Merger
Agreement”), which provides, among other things, for the merger of Merger Sub with and into the Company, with the Company continuing as the surviving company (the “Merger”), upon the terms and subject to the
conditions set forth in the Merger Agreement (capitalized terms used but not otherwise defined herein shall have the respective meanings ascribed to such terms in the Merger Agreement); and 

WHEREAS, as a condition to its willingness to enter into the Merger Agreement, the Company has required that the Stockholder, and as an
inducement and in consideration therefor, the Stockholder (in the Stockholder’s capacity as a holder of the Subject Shares) has agreed to, enter into this Agreement. 

NOW, THEREFORE, in consideration of the foregoing and the respective representations, warranties, covenants and agreements set forth
below and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, do hereby agree as follows: 

ARTICLE I 
 VOTING
AGREEMENT; GRANT OF PROXY 
 The Stockholder hereby covenants and agrees that: 

1.1. Voting of Subject Shares. From and after the date hereof, at every meeting of the holders of Parent Shares (the
“Parent Stockholders”), however called, and at every adjournment or postponement thereof (or pursuant to a written consent if the Parent Stockholders act by written consent in lieu of a meeting), the Stockholder shall, or
shall cause the holder of record on any applicable record date to, be present (in person or by proxy) and to vote the Subject Shares (a) in favor of adopting the Merger Agreement and approving the Merger, the other Contemplated Transactions,
the Parent Stockholder Matters, and the other actions contemplated by the Merger Agreement, (b) against approval of any proposal made in opposition to, or in competition with, the Merger Agreement or the consummation of the Merger, and
(c) against any Acquisition Proposal with respect to Parent or Merger Sub. Except as permitted under clauses (A) through (K) of Section 1.2 below, the Stockholder shall retain at all times the right to vote the Subject Shares
in the Stockholder’s sole discretion and without any other limitation on those matters other than those set forth in this Section 1.1 that are at any time or from time to time presented for consideration to the Parent
Stockholders. 
  

 1.2. No Inconsistent Arrangements. Except as provided hereunder or under the
Merger Agreement, prior to the Effective Time, the Stockholder shall not, directly or indirectly, (a) create any Encumbrance other than restrictions imposed by Law or pursuant to this Agreement on any Subject Shares; (b) transfer, sell,
assign, gift or otherwise dispose of (collectively, “Transfer”), or enter into any contract with respect to any Transfer of, the Subject Shares or any interest therein; (c) grant or permit the grant of any proxy, power
of attorney or other authorization in or with respect to the Subject Shares; (d) deposit or permit the deposit of the Subject Shares into a voting trust or enter into a voting agreement or arrangement with respect to the Subject Shares; or
(e) take any action that, to the knowledge of the Stockholder, would have the effect of preventing the Stockholder from performing the Stockholder’s obligations hereunder. Any action taken in violation of the foregoing sentence shall be
null and void ab initio. Notwithstanding the foregoing, the Stockholder may (A) Transfer Subject Shares as a bona fide charitable contribution, gift or donation; (B) Transfer the Subject Shares to any trust for the direct or
indirect benefit of the Stockholder or the immediate family of the Stockholder; (C) Transfer the Subject Shares by will, other testamentary document or intestate succession to the legal representative, heir, beneficiary or a member of the
immediate family of the Stockholder; (D) Transfer the Subject Shares to stockholders, direct or indirect affiliates (within the meaning set forth in Rule 405 under the Securities Act), current or former partners (general or limited),
members or managers of the Stockholder, as applicable, or to the estates of any such stockholders, affiliates, partners, members or managers, or to another corporation, partnership, limited liability company or other business entity that controls,
is controlled by or is under common control with the Stockholder; (E) make Transfers that occur by operation of law pursuant to a qualified domestic relations order or in connection with a divorce settlement, (F) make Transfers not
involving a change in beneficial ownership; (G) if the Stockholder is a trust, Transfer the Subject Shares to any beneficiary of the Stockholder or the estate of any such beneficiary; (H) exercise an option or warrant to purchase Parent
Shares or settle a restricted stock unit or other equity award (including a net or cashless exercise of such option or warrant); (I) Transfer Parent Shares to Parent to cover tax withholding obligations of the Stockholder in connection with the
vesting, settlement or exercise of any options, warrants, restricted stock units or other equity awards, as applicable, provided that the underlying Parent Shares shall continue to be subject to the restrictions on transfer set forth
in this Agreement; (J) establish a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the Transfer of Parent Shares; and (K) Transfer Parent Shares to Parent pursuant to arrangements
under which Parent has the option to repurchase such Parent Shares; provided that, with respect to clauses (A) through (G) above, the transferee agrees in writing to be bound by the terms and conditions of this Agreement and
either the Stockholder or the transferee provides the Company with a copy of such agreement promptly upon consummation of any such Transfer; provided, further that no filing under the Exchange Act or other public
announcement shall be required or shall be made voluntarily in connection with such Transfer (other than filings made in respect of involuntary Transfers); provided that reasonable notice shall be provided to Parent prior to any such
filing and that that the underlying Parent Shares shall continue to be subject to the restrictions on Transfer set forth in this Agreement. For purposes of this Agreement, “immediate family” shall mean any relationship by blood, marriage
or adoption, not more remote than first cousin. 

 1.3. Documentation and Information. The Stockholder shall permit and hereby
authorizes the Company and Parent to publish and disclose in all documents and schedules filed with the SEC, and any press release or other disclosure document that the Company or Parent reasonably determines to be necessary in connection with the
Merger and any of the Contemplated Transactions, the Stockholder’s identity and ownership of the Subject Shares and the nature of the Stockholder’s commitments and obligations under this Agreement; provided that, to the
extent practicable, the Company and Parent shall provide such documents, schedules, press release or other disclosure document to the Stockholder in advance for its review and comment, which shall be considered in good faith. Parent is an intended
third-party beneficiary of this Section 1.3. 
 1.4. Irrevocable Proxy. The Stockholder hereby
revokes (or agrees to cause to be revoked) any proxies that the Stockholder has heretofore granted with respect to the Subject Shares. In the event and to the extent that the Stockholder fails to vote the Subject Shares in accordance with
Section 1.1 at any applicable meeting of the stockholders of Parent or pursuant to any applicable written consent of the stockholders of Parent, the Stockholder shall be deemed to have irrevocably granted to, and appointed,
the Company as attorney-in-fact and proxy for and on behalf of the Stockholder, for and in the name, place and stead of the Stockholder, to: (a) attend any and all
meetings of Parent Stockholders with respect to any of the matters specified in Section 1.1, (b) vote, express consent or dissent or issue instructions to the record holder to vote the Subject Shares in accordance with
the provisions of Section 1.1 at any and all meetings of Parent Stockholders or in connection with any action sought to be taken by written consent of Parent Stockholders without a meeting and (c) grant or withhold, or
issue instructions to the record holder to grant or withhold, consistent with the provisions of Section 1.1, all written consents with respect to the Subject Shares at any and all meetings of Parent Stockholders or in
connection with any action sought to be taken by written consent of Parent Stockholders without a meeting. The Company agrees not to exercise the proxy granted herein for any purpose other than the purposes described in this Agreement. The foregoing
proxy shall be deemed to be a proxy coupled with an interest, is irrevocable (and as such shall survive and not be affected by the death, incapacity, mental illness or insanity of the Stockholder, as applicable) until the termination of this
Agreement and shall not be terminated by operation of law or upon the occurrence of any other event other than the termination of this Agreement pursuant to Section 4.2. The Stockholder authorizes such attorney and proxy to
substitute any other Person to act hereunder, to revoke any substitution and to file this proxy and any substitution or revocation with the Secretary of Parent. The Stockholder hereby affirms that the proxy set forth in this
Section 1.4 is given in connection with and granted in consideration of and as an inducement to the Company, Parent and Merger Sub to enter into the Merger Agreement and that such proxy is given to secure the obligations of
the Stockholder under Section 1.1. The proxy set forth in this Section 1.4 is executed and intended to be irrevocable, subject, however, to its automatic termination upon the termination of this
Agreement pursuant to Section 4.2. With respect to any Subject Shares that are owned beneficially by the Stockholder but are not held of record by the Stockholder (other than shares beneficially owned by the Stockholder
that are held in the name of a bank, broker or nominee), the Stockholder shall take all action necessary to cause the record holder of such Subject Shares to grant the irrevocable proxy and take all other actions provided for in this
Section 1.4 with respect to such Subject Shares. 
 1.5. No Ownership Interest. Nothing contained in
this Agreement will be deemed to vest in the Company any direct or indirect ownership or incidents of ownership of or with respect to the Subject Shares. All rights, ownership and economic benefits of and relating to the Subject Shares will remain
and belong to the Stockholder, and the Company will have no authority to manage, direct, superintend, restrict, regulate, govern or administer any of the policies or operations of Parent or exercise any power or authority to direct Stockholder in
the voting of any of the Subject Shares, except as otherwise expressly provided herein with respect to the Subject Shares and except as otherwise expressly provided in the Merger Agreement. 

 1.6. No Solicitation of Transactions. The Stockholder hereby agrees that the
Stockholder shall not, directly or indirectly: (a) solicit, initiate or knowingly encourage, induce or facilitate the communication, making, submission or announcement of any Acquisition Proposal or Acquisition Inquiry or take any action that
could reasonably be expected to lead to an Acquisition Proposal or Acquisition Inquiry; (b) furnish any non-public information regarding Parent or Merger Sub to any Person in connection with or in
response to an Acquisition Proposal or Acquisition Inquiry; (c) engage in discussions (other than to inform any Person of the existence of the provisions in this Section 1.6) or negotiations with any Person with
respect to any Acquisition Proposal or Acquisition Inquiry; (d) approve, endorse or recommend any Acquisition Proposal; (e) execute or enter into any letter of intent or any Contract contemplating or otherwise relating to any Acquisition
Transaction; or (f) publicly propose to do any of the foregoing. The Stockholder hereby represents and warrants that the Stockholder has read Section 4.4 (Parent Non-Solicitation) of the Merger
Agreement and agrees not to engage in any actions prohibited thereby. 
 ARTICLE II 

REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDER 

The Stockholder represents and warrants to the Company that: 

2.1. Organization; Authorization; Binding Agreement. The Stockholder, if not a natural person, is duly incorporated or organized,
as applicable, validly existing and in good standing under the laws of its jurisdiction of incorporation or organization. The Stockholder has full legal capacity and power, right and authority to execute and deliver this Agreement and to perform the
Stockholder’s obligations hereunder and to consummate the transactions contemplated hereby. This Agreement has been duly and validly executed and delivered by the Stockholder, and constitutes a legal, valid and binding obligation of the
Stockholder enforceable against the Stockholder in accordance with its terms, subject to the Enforceability Exceptions. 
 2.2.
Ownership of Subject Shares; Total Shares. The Stockholder is the record or beneficial owner of the Subject Shares and has good and marketable title to the Subject Shares free and clear of any Encumbrances (including any restriction on
the right to vote or otherwise transfer the Subject Shares), except (a) as provided hereunder or in any lock-up agreement entered into by and between Parent and the Stockholder in connection with the
transactions contemplated by the Merger Agreement, (b) pursuant to any applicable restrictions on transfer under the Securities Act, (c) subject to any risk of forfeiture or repurchase rights of Parent with respect to any Parent Shares
granted to the Stockholder under any Parent Benefit Plan of Parent and (d) as provided in the Organizational Documents of Parent. The Subject Shares listed on Schedule A opposite the Stockholder’s name constitute
all of the Parent Shares owned by the Stockholder as of the date hereof. Except pursuant to Parent’s Organizational Documents and the right of Parent to purchase or acquire any Parent Shares pursuant to any Parent Benefit Plan of Parent, no
Person has any contractual or other right or obligation to purchase or otherwise acquire any of the Subject Shares. For purposes of this Agreement “Beneficial Ownership” shall be interpreted as defined in Rule 13d-3 under the Exchange Act; provided that for purposes of determining Beneficial 

 
Ownership, a Person shall be deemed to be the Beneficial Owner of any securities that may be acquired by such Person pursuant to any Contract or upon the exercise of conversion rights, exchange
rights, warrants or options, or otherwise (irrespective of whether the right to acquire such securities is exercisable immediately or only after the passage of time, including the passage of time in excess of 60 days, the satisfaction of any
conditions, the occurrence of any event or any combination of the foregoing). 
 2.3. Voting Power. The Stockholder has full
voting power, with respect to the Subject Shares, and full power of disposition, full power to issue instructions with respect to the matters set forth herein and full power to agree to all of the matters set forth herein, in each case, with respect
to all of the Subject Shares. None of the Subject Shares are subject to any proxy, voting trust or other agreement or arrangement with respect to the voting of the Subject Shares, except as provided hereunder. 

2.4. Reliance. The Stockholder has had the opportunity to review the Merger Agreement, including the provisions relating to the
payment and allocation of the consideration to be paid to the equityholders of the Company, and this Agreement with counsel of the Stockholder’s own choosing. The Stockholder has had an opportunity to review with its own tax advisors the tax
consequences of the Merger and the transactions contemplated by the Merger Agreement. The Stockholder understands that it must rely solely on its advisors and not on any statements or representations made by Parent, the Company or any of their
respective agents or representatives. The Stockholder understands that such Stockholder (and not Parent, the Company or the Surviving Corporation) shall be responsible for such Stockholder’s tax liability that may arise as a result of the
Merger or the transactions contemplated by the Merger Agreement. The Stockholder understands and acknowledges that the Company, Parent and Merger Sub are entering into the Merger Agreement in reliance upon the Stockholder’s execution, delivery
and performance of this Agreement. 
 2.5. Absence of Litigation. With respect to the Stockholder, as of the date hereof, there
is no action, suit, investigation or proceeding pending against, or, to the knowledge of the Stockholder, threatened in writing against, the Stockholder or any of the Stockholder’s properties or assets (including the Subject Shares) that could
reasonably be expected to prevent, delay or impair the ability of the Stockholder to perform the Stockholder’s obligations hereunder or to consummate the transactions contemplated hereby. 

2.6. Non-Contravention. The execution and delivery of this Agreement by the Stockholder
and the performance of the transactions contemplated by this Agreement by the Stockholder do not and will not violate, conflict with, or result in a breach of: (a) the organizational documents of such Stockholder, (b) any applicable Law or
any injunction, judgment, order, decree, ruling, charge, or other restriction of any Governmental Body to which the Stockholder is subject, or (c) any Contract to which the Stockholder is a party or is bound or to which the Subject Shares are
subject, such that it could reasonably be expected to prevent, delay or impair the ability of the Stockholder to perform the Stockholder’s obligations hereunder or to consummate the transactions contemplated hereby. 

 ARTICLE III 

REPRESENTATIONS AND WARRANTIES OF THE COMPANY 

The Company represents and warrants to the Stockholder that: 

3.1. Organization; Authorization. The Company is a corporation duly incorporated, validly existing and in good standing under the
laws of Delaware. The consummation of the transactions contemplated hereby is within the Company’s corporate powers and has been duly authorized by all necessary corporate actions on the part of the Company. The Company has full power and
authority to execute, deliver and perform this Agreement. 
 3.2. Binding Agreement. This Agreement has been duly authorized,
executed and delivered by the Company and constitutes a valid and binding obligation of the Company enforceable against the Company in accordance with its terms, subject to the Enforceability Exceptions. 

ARTICLE IV 

MISCELLANEOUS 
 4.1.
Notices. All notices, requests and other communications to either party hereunder shall be in writing (including electronic mail) and shall be given, (a) if to the Company, in accordance with the provisions of the Merger Agreement
and (b) if to the Stockholder, to the Stockholder’s address or electronic mail address set forth on a signature page hereto, or to such other address or electronic mail address as the Stockholder may hereafter specify in writing to the
Company. 
 4.2. Termination. This Agreement shall terminate automatically, without any notice or other action by any Person,
upon the earliest of (a) the termination of the Merger Agreement in accordance with its terms, (b) the Effective Time, (c) the date upon which the Parent Board makes a Parent Board Adverse Recommendation Change and (d) the entry,
without the prior written consent of Stockholder, into any amendment to the Merger Agreement that results in a material increase or decrease in the Merger Consideration in a manner materially adverse to Stockholder. Upon termination of this
Agreement, neither party shall have any further obligations or liabilities under this Agreement; provided, however, that (i) nothing set forth in this Section 4.2 shall relieve either party
from liability for any breach of this Agreement prior to termination hereof, and (ii) the provisions of this Article IV shall survive any termination of this Agreement. 

4.3. Confidentiality. Except to the extent required by applicable Law, the Stockholder shall hold
any non-public information regarding this Agreement, the Merger Agreement and the Merger in strict confidence and shall not divulge any such information to any third person until Parent has publicly
disclosed its entry into the Merger Agreement and this Agreement; provided, however, that the Stockholder may disclose such information (a) to its attorneys, accountants, consultants, trustees,
beneficiaries and other representatives (provided such representatives are subject to confidentiality obligations at least as restrictive as those contained herein), and (b) to any Affiliate, partner, member, stockholder,
parent or subsidiary of Stockholder, provided in each case that the Stockholder informs the Person receiving the information that such information is confidential and such Person agrees in writing to abide by the terms of
this Section 4.3. Neither the Stockholder nor any of its Affiliates (other than Parent, whose actions shall be governed by the Merger Agreement), shall issue or cause the publication of any press release or other public announcement
with respect to this Agreement, the Merger, the Merger Agreement or the other transactions contemplated hereby or thereby without the prior written consent of the Company and Parent, except as may be required by applicable Law in which circumstance
such announcing party shall make reasonable efforts to consult with the Company and Parent to the extent practicable. Parent is an intended third-party beneficiary of this Section 4.3. 

 4.4. Amendments and Waivers. Any provision of this Agreement may be amended or
waived if such amendment or waiver is in writing and is signed, in the case of an amendment, by each party to this Agreement, or in the case of a waiver, by the party against whom the waiver is to be effective. No failure or delay by either party in
exercising any right, power or privilege hereunder shall operate as a waiver thereof nor shall any single or partial exercise thereof preclude any other or further exercise thereof or the exercise of any other right, power or privilege. 

4.5. Binding Effect; Benefit; Assignment. The provisions of this Agreement shall be binding upon and shall inure to the benefit
of the parties hereto and their respective successors and assigns. Except as set forth in Section 1.3 and Section 4.3, no provision of this Agreement is intended to confer any rights, benefits,
remedies, obligations or liabilities hereunder upon any Person other than the parties hereto and their respective successors and assigns. Neither party may assign, delegate or otherwise transfer any of its rights or obligations under this Agreement
without the consent of the other party hereto, except that the Company may transfer or assign its rights and obligations under this Agreement, in whole or from time to time in part, to one or more of its Affiliates at any time;
provided that such transfer or assignment shall not relieve the Company of any of its obligations hereunder. 
 4.6.
Governing Law; Jurisdiction. This Agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of laws.
In any action or proceeding between any of the parties hereto arising out of or relating to this Agreement, each party hereto: (a) irrevocably and unconditionally consents and submits to the exclusive jurisdiction and venue of the Court of
Chancery of the State of Delaware or, to the extent such court does not have subject matter jurisdiction, the United States District Court for the District of Delaware or, to the extent that neither of the foregoing courts has jurisdiction, the
Superior Court of the State of Delaware (the “Delaware Courts”); (b) agrees that all claims in respect of such action or proceeding shall be heard and determined exclusively in accordance with clause (a) of this
Section 4.6; (c) waives any objection to laying venue in any such action or proceeding in such courts; (d) waives any objection that such courts are an inconvenient forum or do not have jurisdiction over any party
hereto; (e) agrees that service of process upon such party in any such action or proceeding shall be effective if notice is given in accordance with Section 4.1 of this Agreement; and (f) irrevocably and
unconditionally waives the right to trial by jury. 
 4.7. Counterparts. This Agreement may be executed in several
counterparts, each of which shall be deemed an original and all of which shall constitute one and the same instrument. The exchange of a fully executed Agreement (in counterparts or otherwise) by all parties by facsimile or electronic transmission
in .PDF format shall be sufficient to bind the parties to the terms and conditions of this Agreement. 
 4.8. Entire Agreement.
This Agreement constitutes the entire agreement and supersedes all prior agreements and understandings, both written and oral, among or between any of the parties with respect to the subject matter hereof and thereof. 

 4.9. Severability. Any term or provision of this Agreement that is invalid or
unenforceable in any situation in any jurisdiction shall not affect the validity or enforceability of the remaining terms and provisions of this Agreement or the validity or enforceability of the offending term or provision in any other situation or
in any other jurisdiction. If a final judgment of a court of competent jurisdiction declares that any term or provision of this Agreement is invalid or unenforceable, the parties hereto agree that the court making such determination will have the
power to limit such term or provision, to delete specific words or phrases or to replace such term or provision with a term or provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable
term or provision, and this Agreement shall be valid and enforceable as so modified. In the event such court does not exercise the power granted to it in the prior sentence, the parties hereto agree to replace such invalid or unenforceable term or
provision with a valid and enforceable term or provision that will achieve, to the extent possible, the economic, business and other purposes of such invalid or unenforceable term or provision. 

4.10. Specific Performance. Any and all remedies herein expressly conferred upon a party will be deemed cumulative with and not
exclusive of any other remedy conferred hereby, or by law or equity upon such party, and the exercise by a party of any one remedy will not preclude the exercise of any other remedy. The parties hereto agree that irreparable damage would occur in
the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties shall be entitled to an injunction or injunctions to prevent
breaches of this Agreement and to enforce specifically the terms and provisions hereof in any Delaware Court, this being in addition to any other remedy to which they are entitled at law or in equity, and each of the parties hereto waives any bond,
surety or other security that might be required of any other party with respect thereto. 
 4.11. Construction. 

(a) For purposes of this Agreement, whenever the context requires: the singular number shall include the plural, and vice versa; the
masculine gender shall include the feminine and neuter genders; the feminine gender shall include the masculine and neuter genders; and the neuter gender shall include masculine and feminine genders. 

(b) The parties hereto agree that any rule of construction to the effect that ambiguities are to be resolved against the drafting party
shall not be applied in the construction or interpretation of this Agreement. 
 (c) As used in this Agreement, the words
“include” and “including,” and variations thereof, shall not be deemed to be terms of limitation, but rather shall be deemed to be followed by the words “without limitation.” 

(d) Except as otherwise indicated, all references in this Agreement to “Sections,” “Articles,” and
“Schedules” are intended to refer to Sections or Articles of this Agreement and Schedules to this Agreement, respectively. 

(e) The bold-faced headings contained in this Agreement are for convenience of reference only, shall not be deemed to be a part of this
Agreement and shall not be referred to in connection with the construction or interpretation of this Agreement. 

 4.12. Further Assurances. Each of the parties hereto will execute and deliver,
or cause to be executed and delivered, all further documents and instruments and use their respective reasonable best efforts to take, or cause to be taken, all actions and to do, or cause to be done, all things necessary under applicable Law to
perform their respective obligations as expressly set forth under this Agreement. 
 4.13. Capacity as Stockholder. The
Stockholder signs this Agreement solely in the Stockholder’s capacity as a holder of Parent Shares, and not in the Stockholder’s capacity as a director, officer or employee of Parent or in the Stockholder’s capacity as a trustee or
fiduciary of any employee benefit plan or trust. Notwithstanding anything herein to the contrary, nothing herein shall in any way restrict a director or officer of Parent in the exercise of his or her fiduciary duties as a director or officer of
Parent or in his or her capacity as a trustee or fiduciary of any employee benefit plan or trust or prevent or be construed to create any obligation on the part of any director or officer of Parent or any trustee or fiduciary of any employee benefit
plan or trust from taking any action in his or her capacity as such director, officer, trustee or fiduciary. 
 4.14. No Agreement
Until Executed. Irrespective of negotiations among the parties or the exchanging of drafts of this Agreement, this Agreement shall not constitute or be deemed to evidence a contract, agreement, arrangement or understanding between the
parties hereto unless and until (a) the Parent Board has approved, for purposes of any applicable anti-takeover laws and regulations, and any applicable provision of Parent’s Organizational Documents, the Merger, (b) the Merger
Agreement is executed by all parties thereto, and (c) this Agreement is executed by all parties hereto. 
 (SIGNATURE PAGE FOLLOWS) 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of
the date first written above. 
  

			
	ARS PHARMACEUTICALS INC.
		
	By:	 	  

	Name:	 	
	Title:	 	

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of
the date first written above. 
  

			
	STOCKHOLDER
	
	  

	(Print Name of Stockholder)
	
	  

	(Signature)
	
	  

	(Name and Title of Signatory, if Signing on Behalf of an Entity)
	
	Address for Notices:
	
	  

	
	  

		
	Email:	 	  

 Schedule A 

 

			
	 Name of Stockholder
	  	No. SharesEX-10.2

 Exhibit 10.2 

SUPPORT AGREEMENT 
 This
SUPPORT AGREEMENT (this “Agreement”), is made as of July 21, 2022, by and between SILVERBACK THERAPEUTICS,
INC., a Delaware corporation (“Parent”) and the Person set forth on Schedule A hereto (the “Stockholder”). 

WHEREAS, as of the date hereof, the Stockholder is the holder of the number of shares, par value $0.01 per share (“Company
Shares”), of ARS PHARMACEUTICALS, INC., a Delaware corporation (“Company”), set forth opposite the Stockholder’s name on Schedule A (all
Company Shares owned by the Stockholder, or hereafter issued to or otherwise acquired, whether beneficially or of record, or owned by the Stockholder prior to the termination of this Agreement, as well as shares set forth on
Schedule A, being referred to herein as the “Subject Shares”); 
 WHEREAS,
concurrently herewith, the Company, Parent and SABRE MERGER SUB, INC., a Delaware corporation and wholly owned subsidiary of Parent (“Merger Sub”), have
entered into an Agreement and Plan of Merger and Reorganization, dated as of the date hereof (the “Merger Agreement”), which provides, among other things, for the merger of Merger Sub with and into the Company, with the
Company continuing as the surviving company (the “Merger”), upon the terms and subject to the conditions set forth in the Merger Agreement (capitalized terms used but not otherwise defined herein shall have the respective
meanings ascribed to such terms in the Merger Agreement); and 
 WHEREAS, as a condition to its willingness to enter into the Merger
Agreement, Parent has required that the Stockholder, and as an inducement and in consideration therefor, the Stockholder (in the Stockholder’s capacity as a holder of the Subject Shares) has agreed to, enter into this Agreement. 

NOW, THEREFORE, in consideration of the foregoing and the respective representations, warranties, covenants and agreements set forth
below and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto, intending to be legally bound, do hereby agree as follows: 

ARTICLE I 
 VOTING
AGREEMENT; GRANT OF PROXY 
 The Stockholder hereby covenants and agrees that: 

1.1. Voting of Subject Shares. From and after the date hereof, at every meeting of the holders of Company Shares (the
“Company Stockholders”), however called, and at every adjournment or postponement thereof (or pursuant to a written consent if the Company Stockholders act by written consent in lieu of a meeting), the Stockholder shall, or
shall cause the holder of record on any applicable record date to, be present (in person or by proxy) and to vote the Subject Shares (a) in favor of adopting the Merger Agreement and approving the Merger, the other Contemplated Transactions,
the Company Stockholder Matters, and the other actions contemplated by the Merger Agreement, (b) against approval of any proposal made in opposition to, or in competition with, the Merger Agreement or the consummation of the Merger, and
(c) against any Acquisition Proposal with respect to the Company. The Stockholder (or in the event 

 
of a Transfer of Subject Shares permitted under clauses (A) through (K) of Section 1.2 below, the transferee of such Transferred Subject Shares) shall retain at all
times the right to vote the Subject Shares in the Stockholder’s sole discretion and without any other limitation on those matters other than those set forth in this Section 1.1 that are at any time or from time to time
presented for consideration to the Company Stockholders. 
 1.2. No Inconsistent Arrangements. Except as provided hereunder or
under the Merger Agreement, prior to the Effective Time, the Stockholder shall not, directly or indirectly, (a) create any Encumbrance other than restrictions imposed by Law or pursuant to this Agreement on any Subject Shares;
(b) transfer, sell, assign, gift or otherwise dispose of (collectively, “Transfer”), or enter into any contract with respect to any Transfer of, the Subject Shares or any interest therein; (c) grant or permit the
grant of any proxy, power of attorney or other authorization in or with respect to the Subject Shares; (d) deposit or permit the deposit of the Subject Shares into a voting trust or enter into a voting agreement or arrangement with respect to
the Subject Shares; or (e) take any action that, to the knowledge of the Stockholder, would have the effect of preventing the Stockholder from performing the Stockholder’s obligations hereunder. Any action taken in violation of the
foregoing sentence shall be null and void ab initio. Notwithstanding the foregoing, the Stockholder may (A) Transfer Subject Shares as a bona fide charitable contribution, gift or donation; (B) Transfer the Subject Shares to
any trust for the direct or indirect benefit of the Stockholder or the immediate family of the Stockholder; (C) Transfer the Subject Shares by will, other testamentary document or intestate succession to the legal representative, heir,
beneficiary or a member of the immediate family of the Stockholder, (D) Transfer the Subject Shares to stockholders, direct or indirect affiliates (within the meaning set forth in Rule 405 under the Securities Act), current or former
partners (general or limited), members or managers of the Stockholder, as applicable, or to the estates of any such stockholders, affiliates, partners, members or managers, or to another corporation, partnership, limited liability company or other
business entity that controls, is controlled by or is under common control with the Stockholder; (E) make Transfers that occur by operation of law pursuant to a qualified domestic relations order or in connection with a divorce settlement;
(F) make Transfers not involving a change in beneficial ownership; (G) if the Stockholder is a trust, Transfer the Subject Shares to any beneficiary of the Stockholder or the estate of any such beneficiary; (H) exercise an option or
warrant to purchase Company Shares or settle a restricted stock unit or other equity award (including a net or cashless exercise of such option or warrant); (I) Transfer Company Shares to Company to cover tax withholding obligations of the
Stockholder in connection with the vesting, settlement or exercise of any options, warrants, restricted stock units or other equity awards, as applicable, provided that the underlying Company Shares shall continue to be subject to the
restrictions on transfer set forth in this Agreement; (J) establish a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the transfer of Company Shares; and (K) Transfer Company Shares
to the Company pursuant to arrangements under which the Company has the option to repurchase such Company Shares; provided that, with respect to clauses (A) through (G) above, the transferee agrees in writing to be bound by the
terms and conditions of this Agreement and either the Stockholder or the transferee provides Parent with a copy of such agreement promptly upon consummation of any such Transfer; provided, further that no filing under the
Exchange Act or other public announcement shall be required or shall be made voluntarily in connection with such Transfer (other than filings made in respect of involuntary Transfers); provided that reasonable notice shall be provided
to Parent prior to any such filing and that that the underlying Company Shares shall continue to be subject to the restrictions on Transfer set forth in this Agreement. For purposes of this Agreement, “immediate family” shall mean any
relationship by blood, marriage or adoption, not more remote than first cousin. 

 1.3. Documentation and Information. The Stockholder shall permit and hereby
authorizes the Company and Parent to publish and disclose in all documents and schedules filed with the SEC, and any press release or other disclosure document that the Company or Parent reasonably determines to be necessary in connection with the
Merger and any of the Contemplated Transactions, the Stockholder’s identity and ownership of the Subject Shares and the nature of the Stockholder’s commitments and obligations under this Agreement; provided that, to the
extent practicable, Parent and the Company shall provide such documents, schedules, press releases or other disclosure document to the Stockholder in advance for its review and comment, which shall be considered in good faith. The Company is an
intended third-party beneficiary of this Section 1.3. 
 1.4. Irrevocable Proxy. The
Stockholder hereby revokes (or agrees to cause to be revoked) any proxies that the Stockholder has heretofore granted with respect to the Subject Shares. In the event and to the extent that the Stockholder fails to vote the Subject Shares in
accordance with Section 1.1, the Stockholder shall be deemed to have irrevocably granted to, and appointed, Parent as attorney-in-fact and
proxy for and on behalf of the Stockholder, for and in the name, place and stead of the Stockholder, to: (a) attend any and all meetings of Company Stockholders, with respect to any of the matters specified in
Section 1.1, (b) vote, express consent or dissent or issue instructions to the record holder to vote the Subject Shares in accordance with the provisions of Section 1.1 at any and all meetings
of Company Stockholders or in connection with any action sought to be taken by written consent of Company Stockholders without a meeting and (c) grant or withhold, or issue instructions to the record holder to grant or withhold, consistent with
the provisions of Section 1.1, all written consents with respect to the Subject Shares at any and all meetings of Company Stockholders or in connection with any action sought to be taken by written consent of Company
Stockholders without a meeting. Parent agrees not to exercise the proxy granted herein for any purpose other than the purposes described in this Agreement. The foregoing proxy shall be deemed to be a proxy coupled with an interest, is irrevocable
(and as such shall survive and not be affected by the death, incapacity, mental illness or insanity of the Stockholder, as applicable) until the termination of this Agreement and shall not be terminated by operation of law or upon the occurrence of
any other event other than the termination of this Agreement pursuant to Section 4.2. The Stockholder authorizes such attorney and proxy to substitute any other Person to act hereunder, to revoke any substitution and to
file this proxy and any substitution or revocation with the Secretary of Company. The Stockholder hereby affirms that the proxy set forth in this Section 1.4 is given in connection with and granted in consideration of and
as an inducement to Parent, Merger Sub and the Company to enter into the Merger Agreement and that such proxy is given to secure the obligations of the Stockholder under Section 1.1. The proxy set forth in this
Section 1.4 is executed and intended to be irrevocable, subject, however, to its automatic termination upon the termination of this Agreement pursuant to Section 4.2. With respect to any Subject
Shares that are owned beneficially by the Stockholder but are not held of record by the Stockholder (other than shares beneficially owned by the Stockholder that are held in the name of a bank, broker or nominee), the Stockholder shall take all
action necessary to cause the record holder of such Subject Shares to grant the irrevocable proxy and take all other actions provided for in this Section 1.4 with respect to such Subject Shares. 

 1.5. No Ownership Interest. Nothing contained in this Agreement will be deemed
to vest in Parent any direct or indirect ownership or incidents of ownership of or with respect to the Subject Shares. All rights, ownership and economic benefits of and relating to the Subject Shares will remain and belong to the Stockholder, and
Parent will have no authority to manage, direct, superintend, restrict, regulate, govern or administer any of the policies or operations of the Company or exercise any power or authority to direct the Stockholder in the voting of any of the Subject
Shares, except as otherwise expressly provided herein with respect to the Subject Shares and except as otherwise expressly provided in the Merger Agreement. 

1.6. No Exercise of Appraisal Rights; Waivers. In connection with the Contemplated Transactions, the Stockholder hereby expressly
(a) waives, to the extent permitted under applicable Law, any and all rights under Section 262 of the Delaware General Corporation Law, a copy of which is attached hereto as Appendix I, and Chapter 13 of the California Corporations Code,
as amended, a copy of which is attached hereto as Appendix II, with respect to any Subject Shares and any and all rights under any other applicable Law granting the Stockholder the right to have any Subject Shares appraised in connection with the
Contemplated Transactions or to otherwise dissent from the Contemplated Transactions, (b) agrees that the Stockholder will not, under any circumstances in connection with the Contemplated Transactions, exercise any dissenters’ or appraisal
rights in respect of any Subject Shares, and (c) agrees that the Stockholder will not bring, commence, institute, maintain, prosecute, participate in or voluntarily aid any action, claim, suit or cause of action, in law or in equity, in any
court or before any Governmental Body, which (i) challenges the validity of or seeks to enjoin the operation of any provision of this Agreement or (ii) alleges that the execution and delivery of this Agreement by the Stockholder, or the
approval of the Merger Agreement by the board of directors of the Company (the “Company Board”), breaches any fiduciary duty of the Company Board or any member thereof; provided that the Stockholder may
defend against, contest or settle any such action, claim, suit or cause of action brought against the Stockholder that relates solely to the Stockholder’s capacity as a director, officer or securityholder of the Company. 

1.7. No Solicitation of Transactions. The Stockholder hereby agrees that the Stockholder shall not, directly or indirectly:
(a) solicit, initiate or knowingly encourage, induce or facilitate the communication, making, submission or announcement of any Acquisition Proposal or Acquisition Inquiry or take any action that could reasonably be expected to lead to an
Acquisition Proposal or Acquisition Inquiry; (b) furnish any non-public information regarding the Company or any of its Subsidiaries to any Person in connection with or in response to an Acquisition
Proposal or Acquisition Inquiry; (c) engage in discussions (other than to inform any Person of the existence of the provisions in this Section 1.7) or negotiations with any Person with respect to any Acquisition
Proposal or Acquisition Inquiry; (d) approve, endorse or recommend any Acquisition Proposal; (e) execute or enter into any letter of intent or any Contract contemplating or otherwise relating to any Acquisition Transaction; or
(f) publicly propose to do any of the foregoing. The Stockholder hereby represents and warrants that the Stockholder has read Section 4.5 (Company Non-Solicitation) of the Merger Agreement and agrees
not to engage in any actions prohibited thereby. 

 ARTICLE II 

REPRESENTATIONS AND WARRANTIES OF THE STOCKHOLDER 

The Stockholder represents and warrants to Parent that: 

2.1. Organization; Authorization; Binding Agreement. The Stockholder, if not a natural person, is duly incorporated or organized,
as applicable, validly existing and in good standing under the laws of its jurisdiction of incorporation or organization. The Stockholder has full legal capacity and power, right and authority to execute and deliver this Agreement and to perform the
Stockholder’s obligations hereunder and to consummate the transactions contemplated hereby. This Agreement has been duly and validly executed and delivered by the Stockholder, and constitutes a legal, valid and binding obligation of the
Stockholder enforceable against the Stockholder in accordance with its terms, subject to the Enforceability Exceptions. 
 2.2.
Ownership of Subject Shares; Total Shares. The Stockholder is the record or beneficial owner of the Subject Shares and has good and marketable title to the Subject Shares free and clear of any Encumbrances (including any restriction on
the right to vote or otherwise transfer the Subject Shares), except (a) as provided hereunder or in any lock-up agreement entered into by and between the Stockholder and Parent in connection with the
transactions contemplated by the Merger Agreement, (b) pursuant to any applicable restrictions on transfer under the Securities Act, (c) subject to any risk of forfeiture or repurchase rights of the Company with respect to any Company
Shares granted to the Stockholder under any Company Benefit Plan, (d) as provide in the Investor Agreements, and (e) as provided in the Organizational Documents of the Company. The Subject Shares listed on
Schedule A opposite the Stockholder’s name constitute all of the Company Shares owned by the Stockholder as of the date hereof. Except pursuant to the Company’s Organizational Documents and the right of the
Company to purchase or acquire any Company Shares pursuant to a Company Benefit Plan, no Person has any contractual or other right or obligation to purchase or otherwise acquire any of the Subject Shares. For purposes of this Agreement
“Beneficial Ownership” shall be interpreted as defined in Rule 13d-3 under the Exchange Act; provided that for purposes of determining Beneficial Ownership, a Person
shall be deemed to be the Beneficial Owner of any securities that may be acquired by such Person pursuant to any Contract or upon the exercise of conversion rights, exchange rights, warrants or options, or otherwise (irrespective of whether the
right to acquire such securities is exercisable immediately or only after the passage of time, including the passage of time in excess of 60 days, the satisfaction of any conditions, the occurrence of any event or any combination of the
foregoing). 
 2.3. Voting Power. The Stockholder has full voting power with respect to the Subject Shares, and full power of
disposition, full power to issue instructions with respect to the matters set forth herein and full power to agree to all of the matters set forth herein, in each case, with respect to all of the Subject Shares. None of the Subject Shares are
subject to any proxy, voting trust or other agreement or arrangement with respect to the voting of the Subject Shares, except as provided hereunder or in the Investor Agreements. 

2.4. Reliance. The Stockholder has had the opportunity to review the Merger Agreement, including the provisions relating to the
payment and allocation of the consideration to be paid to Company Stockholders, and this Agreement with counsel of the Stockholder’s own choosing. The Stockholder has had an opportunity to review with its own tax advisors the tax consequences
of the Merger and the transactions contemplated by the Merger Agreement. The Stockholder understands that it must rely solely on its advisors and not on any statements or representations made by Parent, the Company or any of their respective agents
or representatives. 

 
The Stockholder understands that such Stockholder (and not Parent, the Company or the Surviving Corporation) shall be responsible for such Stockholder’s tax liability that may arise as a
result of the Merger or the transactions contemplated by the Merger Agreement. The Stockholder understands and acknowledges that the Company, Parent and Merger Sub are entering into the Merger Agreement in reliance upon the Stockholder’s
execution, delivery and performance of this Agreement. 
 2.5. Absence of Litigation. With respect to the Stockholder, as of
the date hereof, there is no action, suit, investigation or proceeding pending against, or, to the knowledge of the Stockholder, threatened in writing against, the Stockholder or any of the Stockholder’s properties or assets (including the
Subject Shares) that could reasonably be expected to prevent, delay or impair the ability of the Stockholder to perform the Stockholder’s obligations hereunder or to consummate the transactions contemplated hereby. 

2.6. Non-Contravention. The execution and delivery of this Agreement by the Stockholder
and the performance of the transactions contemplated by this Agreement by the Stockholder do not and will not violate, conflict with, or result in a breach of: (a) the organizational documents of such Stockholder, (b) any applicable Law or
any injunction, judgment, order, decree, ruling, charge, or other restriction of any Governmental Body to which the Stockholder is subject, or (c) any Contract to which the Stockholder is a party or is bound or to which the Subject Shares are
subject, such that it could reasonably be expected to prevent, delay or impair the ability of the Stockholder to perform the Stockholder’s obligations hereunder or to consummate the transactions contemplated hereby. 

ARTICLE III 

REPRESENTATIONS AND WARRANTIES OF PARENT 

Parent represents and warrants to the Stockholder that: 

3.1. Organization; Authorization. Parent is a corporation duly incorporated, validly existing and in good standing under the laws
of Delaware. The consummation of the transactions contemplated hereby is within Parent’s corporate powers and has been duly authorized by all necessary corporate actions on the part of Parent. Parent has full power and authority to execute,
deliver and perform this Agreement. 
 3.2. Binding Agreement. This Agreement has been duly authorized, executed and delivered
by Parent and constitutes a valid and binding obligation of Parent enforceable against Parent in accordance with its terms, subject to the Enforceability Exceptions. 

ARTICLE IV 

MISCELLANEOUS 
 4.1.
Notices. All notices, requests and other communications to either party hereunder shall be in writing (including electronic mail) and shall be given, (a) if to Parent, in accordance with the provisions of the Merger Agreement and
(b) if to the Stockholder, to the Stockholder’s address or electronic mail address set forth on a signature page hereto, or to such other address or electronic mail address as the Stockholder may hereafter specify in writing to Parent.

 4.2. Termination. This Agreement shall terminate automatically, without any
notice or other action by any Person, upon the earliest of (a) the termination of the Merger Agreement in accordance with its terms, (b) the failure of the Company to obtain the Company Board Recommendation, (c) the date upon which
the Company Board makes a Company Board Adverse Recommendation Change, and (d) the Effective Time. Upon termination of this Agreement, neither party shall have any further obligations or liabilities under this Agreement;
provided, however, that (i) nothing set forth in this Section 4.2 shall relieve either party from liability for any breach of this Agreement prior to termination hereof, and
(ii) the provisions of this Article IV shall survive any termination of this Agreement. 
 4.3.
Confidentiality. Except to the extent required by applicable Law, the Stockholder shall hold any non-public information regarding this Agreement, the Merger Agreement and the Merger in
strict confidence and shall not divulge any such information to any third person until Parent has publicly disclosed its entry into the Merger Agreement and this Agreement; provided, however, that the
Stockholder may disclose such information (a) to its attorneys, accountants, consultants, trustees, beneficiaries and other representatives (provided such representatives are subject to confidentiality obligations at least as
restrictive as those contained herein), and (b) to any Affiliate, partner, member, stockholder, parent or subsidiary of Stockholder, provided in each case that the Stockholder informs the Person receiving the information
that such information is confidential and such Person is subject to confidentiality obligations at least as restrictive as those contained herein. Neither the Stockholder nor any of its Affiliates (other than the Company, whose actions shall be
governed by the Merger Agreement), shall issue or cause the publication of any press release or other public announcement with respect to this Agreement, the Merger, the Merger Agreement or the other transactions contemplated hereby or thereby
without the prior written consent of the Company and Parent, except as may be required by applicable Law in which circumstance such announcing party shall make reasonable efforts to consult with the Company and Parent to the extent practicable. The
Company is an intended third-party beneficiary of this Section 4.3. 
 4.4. Amendments and Waivers.
Any provision of this Agreement may be amended or waived if such amendment or waiver is in writing and is signed, in the case of an amendment, by each party to this Agreement, or in the case of a waiver, by the party against whom the waiver is to be
effective. No failure or delay by either party in exercising any right, power or privilege hereunder shall operate as a waiver thereof nor shall any single or partial exercise thereof preclude any other or further exercise thereof or the exercise of
any other right, power or privilege. 
 4.5. Binding Effect; Benefit; Assignment. The provisions of this Agreement shall be
binding upon and shall inure to the benefit of the parties hereto and their respective successors and assigns. Except as set forth in Section 1.3 and Section 4.3, no provision of this Agreement is
intended to confer any rights, benefits, remedies, obligations or liabilities hereunder upon any Person other than the parties hereto and their respective successors and assigns. Neither party may assign, delegate or otherwise transfer any of its
rights or obligations under this Agreement without the consent of the other party hereto, except that Parent may transfer or assign its rights and obligations under this Agreement, in whole or from time to time in part, to one or more of its
Affiliates at any time; provided that such transfer or assignment shall not relieve Parent of any of its obligations hereunder. 

 4.6. Governing Law; Jurisdiction. This Agreement shall be governed by, and
construed in accordance with, the laws of the State of Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of laws. In any action or proceeding between any of the parties hereto arising out of or
relating to this Agreement, each party hereto: (a) irrevocably and unconditionally consents and submits to the exclusive jurisdiction and venue of the Court of Chancery of the State of Delaware or, to the extent such court does not have subject
matter jurisdiction, the United States District Court for the District of Delaware or, to the extent that neither of the foregoing courts has jurisdiction, the Superior Court of the State of Delaware (the “Delaware Courts”);
(b) agrees that all claims in respect of such action or proceeding shall be heard and determined exclusively in accordance with clause (a) of this Section 4.6; (c) waives any objection to laying venue in any such
action or proceeding in such courts; (d) waives any objection that such courts are an inconvenient forum or do not have jurisdiction over any party hereto; (e) agrees that service of process upon such party in any such action or proceeding
shall be effective if notice is given in accordance with Section 4.1 of this Agreement; and (f) irrevocably and unconditionally waives the right to trial by jury. 

4.7. Counterparts. This Agreement may be executed in several counterparts, each of which shall be deemed an original and all of
which shall constitute one and the same instrument. The exchange of a fully executed Agreement (in counterparts or otherwise) by all parties by facsimile or electronic transmission in .PDF format shall be sufficient to bind the parties to the terms
and conditions of this Agreement. 
 4.8. Entire Agreement. This Agreement constitutes the entire agreement and supersedes all
prior agreements and understandings, both written and oral, among or between any of the parties with respect to the subject matter hereof and thereof. 

4.9. Severability. Any term or provision of this Agreement that is invalid or unenforceable in any situation in any jurisdiction
shall not affect the validity or enforceability of the remaining terms and provisions of this Agreement or the validity or enforceability of the offending term or provision in any other situation or in any other jurisdiction. If a final judgment of
a court of competent jurisdiction declares that any term or provision of this Agreement is invalid or unenforceable, the parties hereto agree that the court making such determination will have the power to limit such term or provision, to delete
specific words or phrases or to replace such term or provision with a term or provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable term or provision, and this Agreement shall be
valid and enforceable as so modified. In the event such court does not exercise the power granted to it in the prior sentence, the parties hereto agree to replace such invalid or unenforceable term or provision with a valid and enforceable term or
provision that will achieve, to the extent possible, the economic, business and other purposes of such invalid or unenforceable term or provision. 

4.10. Specific Performance. Any and all remedies herein expressly conferred upon a party will be deemed cumulative with and not
exclusive of any other remedy conferred hereby, or by law or equity upon such party, and the exercise by a party of any one remedy will not preclude the exercise of any other remedy. The parties hereto agree that irreparable damage would occur in
the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties shall be entitled to an injunction or injunctions to prevent
breaches of this Agreement and to enforce specifically the terms and provisions hereof in any Delaware Court, this being in addition to any other remedy to which they are entitled at law or in equity, and each of the parties hereto waives any bond,
surety or other security that might be required of any other party with respect thereto. 

 4.11. Construction. 

(a) For purposes of this Agreement, whenever the context requires: the singular number shall include the plural, and vice versa; the
masculine gender shall include the feminine and neuter genders; the feminine gender shall include the masculine and neuter genders; and the neuter gender shall include masculine and feminine genders. 

(b) The parties hereto agree that any rule of construction to the effect that ambiguities are to be resolved against the drafting party
shall not be applied in the construction or interpretation of this Agreement. 
 (c) As used in this Agreement, the words
“include” and “including,” and variations thereof, shall not be deemed to be terms of limitation, but rather shall be deemed to be followed by the words “without limitation.” 

(d) Except as otherwise indicated, all references in this Agreement to “Sections,” “Articles,” and
“Schedules” are intended to refer to Sections or Articles of this Agreement and Schedules to this Agreement, respectively. 

(e) The bold-faced headings contained in this Agreement are for convenience of reference only, shall not be deemed to be a part of this
Agreement and shall not be referred to in connection with the construction or interpretation of this Agreement. 
 4.12. Further
Assurances. Each of the parties hereto will execute and deliver, or cause to be executed and delivered, all further documents and instruments and use their respective reasonable best efforts to take, or cause to be taken, all actions and to
do, or cause to be done, all things necessary under applicable Law to perform their respective obligations as expressly set forth under this Agreement. 

4.13. Capacity as Stockholder. The Stockholder signs this Agreement solely in the Stockholder’s capacity as a holder of
Company Shares, and not in the Stockholder’s capacity as a director, officer or employee of Company or any of its Subsidiaries or in the Stockholder’s capacity as a trustee or fiduciary of any employee benefit plan or trust.
Notwithstanding anything herein to the contrary, nothing herein shall in any way restrict a director or officer of Company in the exercise of his or her fiduciary duties as a director or officer of Company or in his or her capacity as a trustee or
fiduciary of any employee benefit plan or trust or prevent or be construed to create any obligation on the part of any director or officer of Company or any trustee or fiduciary of any employee benefit plan or trust from taking any action in his or
her capacity as such director, officer, trustee or fiduciary. 

 4.14. No Agreement Until Executed. Irrespective of negotiations among the
parties or the exchanging of drafts of this Agreement, this Agreement shall not constitute or be deemed to evidence a contract, agreement, arrangement or understanding between the parties hereto unless and until (a) the Company Board has
approved, for purposes of any applicable anti-takeover laws and regulations, and any applicable provision of the Company’s Organizational Documents, the Merger, (b) the Merger Agreement is executed by all parties thereto, and (c) this
Agreement is executed by all parties hereto. 
 (SIGNATURE PAGE FOLLOWS) 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of
the date first written above. 
  

			
	SILVERBACK THERAPEUTICS, INC.
		
	By:	 	  

		 	Name:
		 	Title:

 [Signature Page to Support Agreement] 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed as of
the date first written above. 
  

	
	STOCKHOLDER
	
	(Print Name of Stockholder)
	
	  

	(Signature)
	
	  

	(Name and Title of Signatory, if Signing
	on Behalf of an Entity)
	
	Address for Notices:
	
	  

	
	  

	
	Email:____________________________________________

 [Signature Page to Support Agreement] 

 Schedule A 

 

			
	 Name of Stockholder
	  	No. Shares

 Appendix I 

§ 262. Appraisal rights [For application of this section, see § 17; 82 Del. Laws, c. 45, § 23; and 82 Del. Laws, c. 256, § 24].

 (a) Any stockholder of a corporation of this State who holds shares of stock on the date of the making of a demand pursuant to
subsection (d) of this section with respect to such shares, who continuously holds such shares through the effective date of the merger or consolidation, who has otherwise complied with subsection (d) of this section and who has neither
voted in favor of the merger or consolidation nor consented thereto in writing pursuant to §  228 of this title shall be entitled to an appraisal by the Court of Chancery of the fair value of the stockholder’s shares of stock
under the circumstances described in subsections (b) and (c) of this section. As used in this section, the word “stockholder” means a holder of record of stock in a corporation; the words “stock” and “share” mean
and include what is ordinarily meant by those words; and the words “depository receipt” mean a receipt or other instrument issued by a depository representing an interest in 1 or more shares, or fractions thereof, solely of stock of a
corporation, which stock is deposited with the depository. 
 (b) Appraisal rights shall be available for the shares of any class or series
of stock of a constituent corporation in a merger or consolidation to be effected pursuant to § 251 (other than a merger effected pursuant to § 251(g) of this title), § 252, § 254, § 255, § 256, § 257, § 258,
§ 263 or § 264 of this title: 
 (1) Provided, however, that no appraisal rights under this section shall be available for the
shares of any class or series of stock, which stock, or depository receipts in respect thereof, at the record date fixed to determine the stockholders entitled to receive notice of the meeting of stockholders to act upon the agreement of merger or
consolidation (or, in the case of a merger pursuant to § 251(h), as of immediately prior to the execution of the agreement of merger), were either: (i) listed on a national securities exchange or (ii) held of record by more than 2,000
holders; and further provided that no appraisal rights shall be available for any shares of stock of the constituent corporation surviving a merger if the merger did not require for its approval the vote of the stockholders of the surviving
corporation as provided in § 251(f) of this title. 
 (2) Notwithstanding paragraph (b)(1) of this section, appraisal rights under this
section shall be available for the shares of any class or series of stock of a constituent corporation if the holders thereof are required by the terms of an agreement of merger or consolidation pursuant to §§ 251, 252, 254, 255, 256, 257,
258, 263 and 264 of this title to accept for such stock anything except: 
 a. Shares of stock of the corporation surviving or resulting
from such merger or consolidation, or depository receipts in respect thereof; 
 b. Shares of stock of any other corporation, or depository
receipts in respect thereof, which shares of stock (or depository receipts in respect thereof) or depository receipts at the effective date of the merger or consolidation will be either listed on a national securities exchange or held of record by
more than 2,000 holders; 
 c. Cash in lieu of fractional shares or fractional depository receipts described in the foregoing paragraphs
(b)(2)a. and b. of this section; or 
 d. Any combination of the shares of stock, depository receipts and cash in lieu of fractional shares
or fractional depository receipts described in the foregoing paragraphs (b)(2)a., b. and c. of this section. 
 (3) In the event all of the
stock of a subsidiary Delaware corporation party to a merger effected under § 253 or § 267 of this title is not owned by the parent immediately prior to the merger, appraisal rights shall be available for the shares of the subsidiary
Delaware corporation. 
 (4) [Repealed.] 

(c) Any corporation may provide in its certificate of incorporation that appraisal rights under this section shall be available for the shares
of any class or series of its stock as a result of an amendment to its certificate of incorporation, any merger or consolidation in which the corporation is a constituent corporation or the sale of all or substantially all of the assets of the
corporation. If the certificate of incorporation contains such a provision, the provisions of this section, including those set forth in subsections (d),(e), and (g) of this section, shall apply as nearly as is practicable. 

 (d) Appraisal rights shall be perfected as follows: 

(1) If a proposed merger or consolidation for which appraisal rights are provided under this section is to be submitted for approval at a
meeting of stockholders, the corporation, not less than 20 days prior to the meeting, shall notify each of its stockholders who was such on the record date for notice of such meeting (or such members who received notice in accordance with §
255(c) of this title) with respect to shares for which appraisal rights are available pursuant to subsection (b) or (c) of this section that appraisal rights are available for any or all of the shares of the constituent corporations, and shall
include in such notice a copy of this section and, if 1 of the constituent corporations is a nonstock corporation, a copy of §  114 of this title. Each stockholder electing to demand the appraisal of such stockholder’s shares
shall deliver to the corporation, before the taking of the vote on the merger or consolidation, a written demand for appraisal of such stockholder’s shares; provided that a demand may be delivered to the corporation by electronic transmission
if directed to an information processing system (if any) expressly designated for that purpose in such notice. Such demand will be sufficient if it reasonably informs the corporation of the identity of the stockholder and that the stockholder
intends thereby to demand the appraisal of such stockholder’s shares. A proxy or vote against the merger or consolidation shall not constitute such a demand. A stockholder electing to take such action must do so by a separate written demand as
herein provided. Within 10 days after the effective date of such merger or consolidation, the surviving or resulting corporation shall notify each stockholder of each constituent corporation who has complied with this subsection and has not voted in
favor of or consented to the merger or consolidation of the date that the merger or consolidation has become effective; or 
 (2) If the
merger or consolidation was approved pursuant to § 228, § 251(h), § 253, or § 267 of this title, then either a constituent corporation before the effective date of the merger or consolidation or the surviving or resulting
corporation within 10 days thereafter shall notify each of the holders of any class or series of stock of such constituent corporation who are entitled to appraisal rights of the approval of the merger or consolidation and that appraisal rights are
available for any or all shares of such class or series of stock of such constituent corporation, and shall include in such notice a copy of this section and, if 1 of the constituent corporations is a nonstock corporation, a copy of § 114 of
this title. Such notice may, and, if given on or after the effective date of the merger or consolidation, shall, also notify such stockholders of the effective date of the merger or consolidation. Any stockholder entitled to appraisal rights may,
within 20 days after the date of giving such notice or, in the case of a merger approved pursuant to § 251(h) of this title, within the later of the consummation of the offer contemplated by § 251(h) of this title and 20 days after the
date of giving such notice, demand in writing from the surviving or resulting corporation the appraisal of such holder’s shares; provided that a demand may be delivered to the corporation by electronic transmission if directed to an information
processing system (if any) expressly designated for that purpose in such notice. Such demand will be sufficient if it reasonably informs the corporation of the identity of the stockholder and that the stockholder intends thereby to demand the
appraisal of such holder’s shares. If such notice did not notify stockholders of the effective date of the merger or consolidation, either (i) each such constituent corporation shall send a second notice before the effective date of the
merger or consolidation notifying each of the holders of any class or series of stock of such constituent corporation that are entitled to appraisal rights of the effective date of the merger or consolidation or (ii) the surviving or resulting
corporation shall send such a second notice to all such holders on or within 10 days after such effective date; provided, however, that if such second notice is sent more than 20 days following the sending of the first notice or, in the case of a
merger approved pursuant to § 251(h) of this title, later than the later of the consummation of the offer contemplated by § 251(h) of this title and 20 days following the sending of the first notice, such second notice need only be sent to
each stockholder who is entitled to appraisal rights and who has demanded appraisal of such holder’s shares in accordance with this subsection. An affidavit of the secretary or assistant secretary or of the transfer agent of the corporation
that is required to give either notice that such notice has been given shall, in the absence of fraud, be prima facie evidence of the facts stated therein. For purposes of determining the stockholders entitled to receive either notice, each
constituent corporation may fix, in advance, a record date that shall be not more than 10 days prior to the date the notice is given, provided, that if the notice is given on or after the effective date of the merger or consolidation, the record
date shall be such effective date. If no record date is fixed and the notice is given prior to the effective date, the record date shall be the close of business on the day next preceding the day on which the notice is given. 

 (e) Within 120 days after the effective date of the merger or consolidation, the surviving
or resulting corporation or any stockholder who has complied with subsections (a) and (d) of this section hereof and who is otherwise entitled to appraisal rights, may commence an appraisal proceeding by filing a petition in the Court of
Chancery demanding a determination of the value of the stock of all such stockholders. Notwithstanding the foregoing, at any time within 60 days after the effective date of the merger or consolidation, any stockholder who has not commenced an
appraisal proceeding or joined that proceeding as a named party shall have the right to withdraw such stockholder’s demand for appraisal and to accept the terms offered upon the merger or consolidation. Within 120 days after the effective date
of the merger or consolidation, any stockholder who has complied with the requirements of subsections (a) and (d) of this section hereof, upon request given in writing (or by electronic transmission directed to an information processing system
(if any) expressly designated for that purpose in the notice of appraisal), shall be entitled to receive from the corporation surviving the merger or resulting from the consolidation a statement setting forth the aggregate number of shares not voted
in favor of the merger or consolidation (or, in the case of a merger approved pursuant to § 251(h) of this title, the aggregate number of shares (other than any excluded stock (as defined in § 251(h)(6)d. of this title)) that were the
subject of, and were not tendered into, and accepted for purchase or exchange in, the offer referred to in § 251(h)(2)), and, in either case, with respect to which demands for appraisal have been received and the aggregate number of holders of
such shares. Such statement shall be given to the stockholder within 10 days after such stockholder’s request for such a statement is received by the surviving or resulting corporation or within 10 days after expiration of the period for
delivery of demands for appraisal under subsection (d) of this section hereof, whichever is later. Notwithstanding subsection (a) of this section, a person who is the beneficial owner of shares of such stock held either in a voting trust
or by a nominee on behalf of such person may, in such person’s own name, file a petition or request from the corporation the statement described in this subsection. 

(f) Upon the filing of any such petition by a stockholder, service of a copy thereof shall be made upon the surviving or resulting corporation,
which shall within 20 days after such service file in the office of the Register in Chancery in which the petition was filed a duly verified list containing the names and addresses of all stockholders who have demanded payment for their shares and
with whom agreements as to the value of their shares have not been reached by the surviving or resulting corporation. If the petition shall be filed by the surviving or resulting corporation, the petition shall be accompanied by such a duly verified
list. The Register in Chancery, if so ordered by the Court, shall give notice of the time and place fixed for the hearing of such petition by registered or certified mail to the surviving or resulting corporation and to the stockholders shown on the
list at the addresses therein stated. Such notice shall also be given by 1 or more publications at least 1 week before the day of the hearing, in a newspaper of general circulation published in the City of Wilmington, Delaware or such publication as
the Court deems advisable. The forms of the notices by mail and by publication shall be approved by the Court, and the costs thereof shall be borne by the surviving or resulting corporation. 

(g) At the hearing on such petition, the Court shall determine the stockholders who have complied with this section and who have become
entitled to appraisal rights. The Court may require the stockholders who have demanded an appraisal for their shares and who hold stock represented by certificates to submit their certificates of stock to the Register in Chancery for notation
thereon of the pendency of the appraisal proceedings; and if any stockholder fails to comply with such direction, the Court may dismiss the proceedings as to such stockholder. If immediately before the merger or consolidation the shares of the class
or series of stock of the constituent corporation as to which appraisal rights are available were listed on a national securities exchange, the Court shall dismiss the proceedings as to all holders of such shares who are otherwise entitled to
appraisal rights unless (1) the total number of shares entitled to appraisal exceeds 1% of the outstanding shares of the class or series eligible for appraisal, (2) the value of the consideration provided in the merger or consolidation for
such total number of shares exceeds $1 million, or (3) the merger was approved pursuant to § 253 or § 267 of this title. 

(h) After the Court determines the stockholders entitled to an appraisal, the appraisal proceeding shall be conducted in accordance with the
rules of the Court of Chancery, including any rules specifically governing appraisal proceedings. Through such proceeding the Court shall determine the fair value of the shares exclusive of any element of value arising from the accomplishment or
expectation of the merger or consolidation, together with interest, if any, to be paid upon the amount determined to be the fair value. In determining such fair value, the Court shall take into account all relevant factors. Unless the Court in its
discretion determines otherwise for good cause shown, and except as provided in this subsection, interest from the effective date of the merger through the date of payment of the judgment shall be compounded quarterly and shall accrue at 5% over the
Federal Reserve discount rate (including any surcharge) as established from time to time during the period between the effective date of the merger and the date of payment of the judgment. At any time before the entry of judgment in the proceedings,
the surviving corporation may pay to each stockholder entitled to appraisal an amount in cash, in 

 
which case interest shall accrue thereafter as provided herein only upon the sum of (1) the difference, if any, between the amount so paid and the fair value of the shares as determined by
the Court, and (2) interest theretofore accrued, unless paid at that time. Upon application by the surviving or resulting corporation or by any stockholder entitled to participate in the appraisal proceeding, the Court may, in its discretion,
proceed to trial upon the appraisal prior to the final determination of the stockholders entitled to an appraisal. Any stockholder whose name appears on the list filed by the surviving or resulting corporation pursuant to subsection (f) of this
section and who has submitted such stockholder’s certificates of stock to the Register in Chancery, if such is required, may participate fully in all proceedings until it is finally determined that such stockholder is not entitled to appraisal
rights under this section. 
 (i) The Court shall direct the payment of the fair value of the shares, together with interest, if any, by the
surviving or resulting corporation to the stockholders entitled thereto. Payment shall be so made to each such stockholder, in the case of holders of uncertificated stock forthwith, and the case of holders of shares represented by certificates upon
the surrender to the corporation of the certificates representing such stock. The Court’s decree may be enforced as other decrees in the Court of Chancery may be enforced, whether such surviving or resulting corporation be a corporation of this
State or of any state. 
 (j) The costs of the proceeding may be determined by the Court and taxed upon the parties as the Court deems
equitable in the circumstances. Upon application of a stockholder, the Court may order all or a portion of the expenses incurred by any stockholder in connection with the appraisal proceeding, including, without limitation, reasonable
attorney’s fees and the fees and expenses of experts, to be charged pro rata against the value of all the shares entitled to an appraisal. 

(k) From and after the effective date of the merger or consolidation, no stockholder who has demanded appraisal rights as provided in
subsection (d) of this section shall be entitled to vote such stock for any purpose or to receive payment of dividends or other distributions on the stock (except dividends or other distributions payable to stockholders of record at a date
which is prior to the effective date of the merger or consolidation); provided, however, that if no petition for an appraisal shall be filed within the time provided in subsection (e) of this section, or if such stockholder shall deliver to the
surviving or resulting corporation a written withdrawal of such stockholder’s demand for an appraisal and an acceptance of the merger or consolidation, either within 60 days after the effective date of the merger or consolidation as provided in
subsection (e) of this section or thereafter with the written approval of the corporation, then the right of such stockholder to an appraisal shall cease. Notwithstanding the foregoing, no appraisal proceeding in the Court of Chancery shall be
dismissed as to any stockholder without the approval of the Court, and such approval may be conditioned upon such terms as the Court deems just; provided, however that this provision shall not affect the right of any stockholder who has not
commenced an appraisal proceeding or joined that proceeding as a named party to withdraw such stockholder’s demand for appraisal and to accept the terms offered upon the merger or consolidation within 60 days after the effective date of the
merger or consolidation, as set forth in subsection (e) of this section. 
 (l) The shares of the surviving or resulting corporation to
which the shares of such objecting stockholders would have been converted had they assented to the merger or consolidation shall have the status of authorized and unissued shares of the surviving or resulting corporation. 

 Appendix II 

CHAPTER 13. Dissenters’ Rights [1300 - 1313] 
 (
Chapter 13 added by Stats. 1975, Ch. 682. ) 
 1300. 

(a) If the approval of the outstanding shares (Section 152) of a corporation is required for a reorganization under subdivisions (a) and (b) or
subdivision (e) or (f) of Section 1201, each shareholder of the corporation entitled to vote on the transaction and each shareholder of a subsidiary corporation in a short-form merger may, by complying with this chapter, require the
corporation in which the shareholder holds shares to purchase for cash at their fair market value the shares owned by the shareholder which are dissenting shares as defined in subdivision (b). The fair market value shall be determined as of the day
of, and immediately prior to, the first announcement of the terms of the proposed reorganization or short-form merger, excluding any appreciation or depreciation in consequence of the proposed reorganization or short-form merger, as adjusted for any
stock split, reverse stock split, or share dividend that becomes effective thereafter. 
 (b) As used in this chapter, “dissenting shares”
means shares to which all of the following apply: 
 (1) That were not, immediately prior to the reorganization or short-form merger, listed on any
national securities exchange certified by the Commissioner of Business Oversight under subdivision (o) of Section 25100, and the notice of meeting of shareholders to act upon the reorganization summarizes this section and Sections 1301,
1302, 1303, and 1304; provided, however, that this provision does not apply to any shares with respect to which there exists any restriction on transfer imposed by the corporation or by any law or regulation; and provided, further, that this
provision does not apply to any shares where the holder of those shares is required, by the terms of the reorganization or short-form merger, to accept for the shares anything except: (A) shares of any other corporation, which shares, at the
time the reorganization or short-form merger is effective, are listed on any national securities exchange certified by the Commissioner of Business Oversight under subdivision (o) of Section 25100; (B) cash in lieu of fractional shares
described in the foregoing subparagraph (A); or (C) any combination of the shares and cash in lieu of fractional shares described in the foregoing subparagraphs (A) and (B). 

(2) That were outstanding on the date for the determination of shareholders entitled to vote on the reorganization and (A) were not voted in favor of
the reorganization or, (B) if described in paragraph (1), were voted against the reorganization, or were held of record on the effective date of a short-form merger; provided, however, that subparagraph (A) rather than subparagraph
(B) of this paragraph applies in any case where the approval required by Section 1201 is sought by written consent rather than at a meeting. 

(3) That the dissenting shareholder has demanded that the corporation purchase at their fair market value, in accordance with Section 1301. 

(4) That the dissenting shareholder has submitted for endorsement, in accordance with Section 1302. 

(c) As used in this chapter, “dissenting shareholder” means the recordholder of dissenting shares and includes a transferee of record. 

(Amended by Stats. 2019, Ch. 143, Sec. 24. (SB 251) Effective January 1, 2020.) 

1301. 
 (a) If, in the case of a reorganization, any
shareholders of a corporation have a right under Section 1300, subject to compliance with paragraphs (3) and (4) of subdivision (b) thereof, to require the corporation to purchase their shares for cash, that corporation shall mail to
each of those shareholders a notice of the approval of the reorganization by its outstanding shares (Section 152) within 10 days after the date of that approval, accompanied by a copy of Sections 1300, 1302, 1303, and 1304 and this section, a
statement of the price determined by the corporation to represent the fair market value of the dissenting shares, and a brief description of the procedure to be followed if the shareholder desires to exercise the shareholder’s right under those
sections. The statement of price constitutes an offer by the corporation to purchase at the price stated any dissenting shares as defined in subdivision (b) of Section 1300, unless they lose their status as dissenting shares under
Section 1309. 

 (b) Any shareholder who has a right to require the corporation to purchase the shareholder’s
shares for cash under Section 1300, subject to compliance with paragraphs (3) and (4) of subdivision (b) thereof, and who desires the corporation to purchase shares shall make written demand upon the corporation for the purchase of
those shares and payment to the shareholder in cash of their fair market value. The demand is not effective for any purpose unless it is received by the corporation or any transfer agent thereof (1) in the case of shares described in
subdivision (b) of Section 1300, not later than the date of the shareholders’ meeting to vote upon the reorganization, or (2) in any other case, within 30 days after the date on which the notice of the approval by the outstanding
shares pursuant to subdivision (a) or the notice pursuant to subdivision (h) of Section 1110 was mailed to the shareholder. 
 (c) The
demand shall state the number and class of the shares held of record by the shareholder which the shareholder demands that the corporation purchase and shall contain a statement of what the shareholder claims to be the fair market value of those
shares as determined pursuant to subdivision (a) of Section 1300. The statement of fair market value constitutes an offer by the shareholder to sell the shares at that price. 

(Amended by Stats. 2012, Ch. 473, Sec. 2. (AB 1680) Effective January 1, 2013.) 

1302. 
 Within 30 days after the date on which notice of
the approval by the outstanding shares or the notice pursuant to subdivision (h) of Section 1110 was mailed to the shareholder, the shareholder shall submit to the corporation at its principal office or at the office of any transfer agent
thereof, (a) if the shares are certificated securities, the shareholder’s certificates representing any shares which the shareholder demands that the corporation purchase, to be stamped or endorsed with a statement that the shares are
dissenting shares or to be exchanged for certificates of appropriate denomination so stamped or endorsed or (b) if the shares are uncertificated securities, written notice of the number of shares which the shareholder demands that the
corporation purchase. Upon subsequent transfers of the dissenting shares on the books of the corporation, the new certificates, initial transaction statement, and other written statements issued therefor shall bear a like statement, together with
the name of the original dissenting holder of the shares. 
 (Amended by Stats. 2012, Ch. 473, Sec. 3. (AB 1680) Effective January 1, 2013.) 

1303. 
 (a) If the corporation and the shareholder
agree that the shares are dissenting shares and agree upon the price of the shares, the dissenting shareholder is entitled to the agreed price with interest thereon at the legal rate on judgments from the date of the agreement. Any agreements fixing
the fair market value of any dissenting shares as between the corporation and the holders thereof shall be filed with the secretary of the corporation. 

(b) Subject to the provisions of Section 1306, payment of the fair market value of dissenting shares shall be made within 30 days after the amount
thereof has been agreed or within 30 days after any statutory or contractual conditions to the reorganization are satisfied, whichever is later, and in the case of certificated securities, subject to surrender of the certificates therefor, unless
provided otherwise by agreement. 
 (Amended by Stats. 1986, Ch. 766, Sec. 24.) 

1304. 
 (a) If the corporation denies that the shares
are dissenting shares, or the corporation and the shareholder fail to agree upon the fair market value of the shares, then the shareholder demanding purchase of such shares as dissenting shares or any interested corporation, within six months after
the date on which notice of the approval by the outstanding shares (Section 152) or notice pursuant to subdivision (h) of Section 1110 was mailed to the shareholder, but not thereafter, may file a complaint in the superior court of the
proper county praying the court to determine whether the shares are dissenting shares or the fair market value of the dissenting shares or both or may intervene in any action pending on such a complaint. 

(b) Two or more dissenting shareholders may join as plaintiffs or be joined as defendants in any such action and two or more such actions may be
consolidated. 

 (c) On the trial of the action, the court shall determine the issues. If the status of the shares as
dissenting shares is in issue, the court shall first determine that issue. If the fair market value of the dissenting shares is in issue, the court shall determine, or shall appoint one or more impartial appraisers to determine, the fair market
value of the shares. 
 (Amended by Stats. 2012, Ch. 473, Sec. 4. (AB 1680) Effective January 1, 2013.) 

1305. 
 (a) If the court appoints an appraiser or
appraisers, they shall proceed forthwith to determine the fair market value per share. Within the time fixed by the court, the appraisers, or a majority of them, shall make and file a report in the office of the clerk of the court. Thereupon, on the
motion of any party, the report shall be submitted to the court and considered on such evidence as the court considers relevant. If the court finds the report reasonable, the court may confirm it. 

(b) If a majority of the appraisers appointed fail to make and file a report within 10 days from the date of their appointment or within such further time
as may be allowed by the court or the report is not confirmed by the court, the court shall determine the fair market value of the dissenting shares. 

(c) Subject to the provisions of Section 1306, judgment shall be rendered against the corporation for payment of an amount equal to the fair market
value of each dissenting share multiplied by the number of dissenting shares which any dissenting shareholder who is a party, or who has intervened, is entitled to require the corporation to purchase, with interest thereon at the legal rate from the
date on which judgment was entered. 
 (d) Any such judgment shall be payable forthwith with respect to uncertificated securities and, with respect to
certificated securities, only upon the endorsement and delivery to the corporation of the certificates for the shares described in the judgment. Any party may appeal from the judgment. 

(e) The costs of the action, including reasonable compensation to the appraisers to be fixed by the court, shall be assessed or apportioned as the court
considers equitable, but, if the appraisal exceeds the price offered by the corporation, the corporation shall pay the costs (including in the discretion of the court attorneys’ fees, fees of expert witnesses and interest at the legal rate on
judgments from the date of compliance with Sections 1300, 1301 and 1302 if the value awarded by the court for the shares is more than 125 percent of the price offered by the corporation under subdivision (a) of Section 1301). 

(Amended by Stats. 1986, Ch. 766, Sec. 25.) 
 1306.

 To the extent that the provisions of Chapter 5 prevent the payment to any holders of dissenting shares of their fair market value, they shall become
creditors of the corporation for the amount thereof together with interest at the legal rate on judgments until the date of payment, but subordinate to all other creditors in any liquidation proceeding, such debt to be payable when permissible under
the provisions of Chapter 5. 
 (Repealed and added by Stats. 1975, Ch. 682.) 

1307. 
 Cash dividends declared and paid by the
corporation upon the dissenting shares after the date of approval of the reorganization by the outstanding shares (Section 152) and prior to payment for the shares by the corporation shall be credited against the total amount to be paid by the
corporation therefor. 
 (Repealed and added by Stats. 1975, Ch. 682.) 

1308. 
 Except as expressly limited in this chapter,
holders of dissenting shares continue to have all the rights and privileges incident to their shares, until the fair market value of their shares is agreed upon or determined. A dissenting shareholder may not withdraw a demand for payment unless the
corporation consents thereto. 
 (Repealed and added by Stats. 1975, Ch. 682.) 

 1309. 

Dissenting shares lose their status as dissenting shares and the holders thereof cease to be dissenting shareholders and cease to be entitled to require the
corporation to purchase their shares upon the happening of any of the following: 
 (a) The corporation abandons the reorganization. Upon abandonment of
the reorganization, the corporation shall pay on demand to any dissenting shareholder who has initiated proceedings in good faith under this chapter all necessary expenses incurred in such proceedings and reasonable attorneys’ fees. 

(b) The shares are transferred prior to their submission for endorsement in accordance with Section 1302 or are surrendered for conversion into
shares of another class in accordance with the articles. 
 (c) The dissenting shareholder and the corporation do not agree upon the status of the
shares as dissenting shares or upon the purchase price of the shares, and neither files a complaint or intervenes in a pending action as provided in Section 1304, within six months after the date on which notice of the approval by the
outstanding shares or notice pursuant to subdivision (h) of Section 1110 was mailed to the shareholder. 
 (d) The dissenting shareholder,
with the consent of the corporation, withdraws the shareholder’s demand for purchase of the dissenting shares. 
 (Amended by Stats. 2012, Ch. 473,
Sec. 5. (AB 1680) Effective January 1, 2013.) 
 1310. 

If litigation is instituted to test the sufficiency or regularity of the votes of the shareholders in authorizing a reorganization, any proceedings under
Sections 1304 and 1305 shall be suspended until final determination of such litigation. 
 (Repealed and added by Stats. 1975, Ch. 682.) 

1311. 
 This chapter, except Section 1312, does not
apply to classes of shares whose terms and provisions specifically set forth the amount to be paid in respect to such shares in the event of a reorganization or merger. 

(Amended by Stats. 1988, Ch. 919, Sec. 8.) 
 1312.

 (a) No shareholder of a corporation who has a right under this chapter to demand payment of cash for the shares held by the shareholder shall
have any right at law or in equity to attack the validity of the reorganization or short-form merger, or to have the reorganization or short-form merger set aside or rescinded, except in an action to test whether the number of shares required to
authorize or approve the reorganization have been legally voted in favor thereof; but any holder of shares of a class whose terms and provisions specifically set forth the amount to be paid in respect to them in the event of a reorganization or
short-form merger is entitled to payment in accordance with those terms and provisions or, if the principal terms of the reorganization are approved pursuant to subdivision (b) of Section 1202, is entitled to payment in accordance with the
terms and provisions of the approved reorganization. 
 (b) If one of the parties to a reorganization or short-form merger is directly or indirectly
controlled by, or under common control with, another party to the reorganization or short-form merger, subdivision (a) shall not apply to any shareholder of such party who has not demanded payment of cash for such shareholder’s shares
pursuant to this chapter; but if the shareholder institutes any action to attack the validity of the reorganization or short-form merger or to have the reorganization or short-form merger set aside or rescinded, the shareholder shall not thereafter
have any right to demand payment of cash for the shareholder’s shares pursuant to this chapter. The court in any action attacking the validity of the reorganization or short-form merger or to have the reorganization or short-form merger set
aside or rescinded shall not restrain or enjoin the consummation of the transaction except upon 10 days’ prior notice to the corporation and upon a determination by the court that clearly no other remedy will adequately protect the complaining
shareholder or the class of shareholders of which such shareholder is a member. 

 (c) If one of the parties to a reorganization or short-form merger is directly or indirectly controlled
by, or under common control with, another party to the reorganization or short-form merger, in any action to attack the validity of the reorganization or short-form merger or to have the reorganization or short-form merger set aside or rescinded,
(1) a party to a reorganization or short-form merger which controls another party to the reorganization or short-form merger shall have the burden of proving that the transaction is just and reasonable as to the shareholders of the controlled
party, and (2) a person who controls two or more parties to a reorganization shall have the burden of proving that the transaction is just and reasonable as to the shareholders of any party so controlled. 

(Amended by Stats. 1988, Ch. 919, Sec. 9.) 
 1313.

 A conversion pursuant to Chapter 11.5 (commencing with Section 1150) shall be deemed to constitute a reorganization for purposes of applying the
provisions of this chapter, in accordance with and to the extent provided in Section 1159. 
 (Added by Stats. 2002, Ch. 480, Sec. 7. Effective
January 1, 2003.)

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