Document:

EX-10.4

 EXECUTION VERSION 

Exhibit 10.4 
 SUPPORT
AGREEMENT 
 THIS SUPPORT AGREEMENT, dated as of May 2, 2019 (this “Agreement”), is entered into by and among Misonix,
Inc., a New York corporation (“Motor”) and the undersigned signatories set forth on the signature pages hereto under the heading “Supporting Motor Shareholders,” in their capacity as shareholders (and not, if
applicable, as a director or officer) of Motor (collectively, the “Supporting Motor Shareholders”). Motor and the Supporting Motor Shareholders are each sometimes referred to herein individually as a “Party” and
collectively as the “Parties.” 
 RECITALS 

WHEREAS, each of the Supporting Motor Shareholders is the beneficial or record owner, and has either sole voting power or shared voting power with other
Supporting Motor Shareholders over, such number of shares of common stock, par value $0.01 per share, of Motor (“Motor Common Stock”) as is indicated opposite each such Supporting Motor Shareholder’s name on Schedule A
attached hereto; 
 WHEREAS, concurrently with the execution and delivery of this Agreement, Motor, New Misonix, Inc., a New York corporation and wholly
owned subsidiary of Motor (“ParentCo”), Motor Reincorp. Sub One, Inc., a New York corporation and a direct, wholly owned subsidiary of ParentCo, Surge Sub Two, LLC, a Delaware limited liability company and a direct, wholly owned
subsidiary of ParentCo (“Merger Sub Two”), Solsys Medical, LLC, a Delaware limited liability company and, solely in his capacity as the representative for the equityholders of Surge, Greg Madden, an individual resident of the State
of Massachusetts, are entering into an Agreement and Plan of Merger (such agreement, as amended from time to time, the “Merger Agreement”), that provides, among other things, for the ParentCo Stock Issuances and the Reincorporation
Merger; 
 WHEREAS, as a condition and an inducement to Motor’s willingness to enter into the Merger Agreement, Motor has required that the Supporting
Motor Shareholders agree, and the Supporting Motor Shareholders have agreed, to enter into this Agreement with respect to all shares of Motor Common Stock that the Supporting Motor Shareholders Beneficially Own (as defined below); and 

WHEREAS, Motor desires that the Supporting Motor Shareholders agree, and the Supporting Motor Shareholders are willing to agree, subject to the limitations
herein, not to Transfer (as defined below) any of their Subject Securities (as defined below), and to vote their Subject Securities to approve the ParentCo Stock Issuances and adoption of the Merger Agreement and the Reincorporation Merger. 

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, intending to be legally bound, do hereby agree as follows: 

AGREEMENT 
  

	1.	 Definitions. Capitalized terms used but not otherwise defined herein shall have their respective
meanings ascribed to such terms in the Merger Agreement. When used in this Agreement, the following terms in all of their tenses, cases and correlative forms shall have the same meanings assigned to them in this Section 1
or elsewhere in this Agreement. 

	 	(a)	 “Beneficially Own” has the meaning assigned to such term in Rule 13d-3 under the Exchange Act, and a Person’s beneficial ownership of securities shall be calculated in accordance with the provisions of such Rule (in each case, irrespective of whether or not such Rule is
actually applicable in such circumstance). For the avoidance of doubt, Beneficially Own shall also include record ownership of securities. 

  

	 	(b)	 “Beneficial Owners” means Persons who Beneficially Own the referenced securities.

  

	 	(c)	 “Expiration Time” means the earlier to occur of (i) the Reincorporation Merger Effective
Time, (ii) such date and time as the Merger Agreement is validly terminated in accordance with the terms and provisions thereof, or (iii) the termination of this Agreement by mutual written consent of the Parties. 

 

	 	(d)	 “Permitted Transfer” means, in each case, with respect to each Supporting Motor Shareholder,
so long as (i) such Transfer is in accordance with applicable Law and such Supporting Motor Shareholder is, and at all times has been, in compliance with this Agreement and (ii) any Transfer of Subject Securities by the Supporting Motor
Shareholder to another Supporting Motor Shareholder or to an Affiliate of such transferring Supporting Motor Shareholder, so long as such Affiliate, in connection with, and prior to, such Transfer, executes a joinder to this Agreement, in form and
substance reasonably acceptable to Motor, pursuant to which such Affiliate agrees to become a party to this Agreement and be subject to the restrictions and obligations hereof and otherwise become a party for all purposes of this Agreement.

  

	 	(e)	 “Subject Securities” means, collectively, all shares of Motor Common Stock and all shares of
New Motor Common Stock. 

  

	 	(f)	 “Transfer” means (i) any direct or indirect offer, sale, tender pursuant to a tender or
exchange offer, lease, assignment, encumbrance, loan, pledge, grant of a security interest, hypothecation (including by gift or by contribution or distribution to any trust or similar instrument or to any beneficiaries of the Supporting Motor
Shareholder), disposition, or other transfer (including by merger, consolidation or otherwise by operation of law), either voluntary or involuntary, or entry into any contract, option, or other arrangement or understanding with respect to any offer,
sale, tender pursuant to a tender or exchange offer, lease, assignment, encumbrance, loan, pledge, hypothecation (including by gift or by contribution or distribution to any trust or similar instrument or to any beneficiaries of the Supporting Motor
Shareholder), disposition, or other transfer (including by merger, consolidation or otherwise by operation of law), of any shares of Motor Common Stock or other Equity Interest or interest in any shares of Motor Common Stock or other Equity Interest
(or any security convertible into or exchangeable for such shares of Motor 

	 	
Common Stock or other Equity Interest), including in each case through the transfer of any Person or any interest in any Person or (ii) in respect of any shares of Motor Common Stock or
other Equity Interest or interest in any shares of Motor Common Stock or other Equity Interest, to enter into any swap or any other agreement, transaction, or series of transactions that hedges or transfers, in whole or in part, directly or
indirectly, the economic consequence of ownership of such shares of Motor Common Stock or other Equity Interest or interest in shares of Motor Common Stock or other Equity Interest, whether any such swap, agreement, transaction, or series of
transactions is to be settled by delivery of securities, in cash, or otherwise. 

  

	2.	 Agreement to Retain Subject Securities. 

 

	 	(a)	 Transfer and Encumbrance of Subject Securities. Other than Permitted Transfers, from and after the date
hereof until the Expiration Time, each Supporting Motor Shareholder agrees that it shall not, with respect to any Subject Securities Beneficially Owned by such Supporting Motor Shareholder, (i) Transfer any such Subject Securities, or
(ii) deposit any such Subject Securities into a voting trust or enter into a voting agreement or arrangement with respect to such Subject Securities or grant any proxy (except as otherwise provided herein, in connection with the matters to be
voted on at Motor’s annual meeting to be held on May 7, 2019 and to grant a revocable proxy to Motor’s proxy holders to vote or cause to be voted the Subject Securities in accordance with this Agreement) or power of attorney with
respect thereto. 

  

	 	(b)	 Injunction. Notwithstanding anything to the contrary in this Agreement, if at any time following the date
hereof and prior to the Expiration Time a Governmental Entity of competent jurisdiction enters an order restraining, enjoining, or otherwise prohibiting the Supporting Motor Shareholders or their Affiliates from (i) consummating the
Transactions or (ii) taking any action pursuant to Section 3 or Section 4, then (A) the obligations of each Supporting Motor Shareholder set forth in Section 3 and the irrevocable proxy and power of attorney in
Section 4 shall be of no force and effect for so long as such order is in effect and, in the case of clause (ii), solely to the extent such order restrains, enjoins, or otherwise prohibits such Supporting Motor Shareholder from taking any such
action, and (B) for so long as such order is in effect, each Supporting Motor Shareholder shall cause the Subject Securities to not be represented in person or by proxy at any meeting at which a vote of such Supporting Motor Shareholder on the
Transactions is requested. Notwithstanding anything to the contrary in this Section 2(b), the restrictions set forth in Section 2(a) shall continue to apply with respect to the Subject Securities until the Expiration Time.

  

	 	(c)	 Additional Purchases; Adjustments. Each Supporting Motor Shareholder agrees that any shares of Motor
Common Stock and any Equity Interest of Motor that such Supporting Motor Shareholder purchases or otherwise acquires (including pursuant to its exercise of preemptive rights or as a result of a stock split, reverse stock split, stock dividend or
distribution or any change in shares of Motor Common Stock by 

	 	
reason of a merger, reorganization, recapitalization, reclassification, combination, exchange of shares, or similar transaction) or with respect to which such Supporting Motor Shareholder
otherwise acquires voting power after the execution of this Agreement and prior to the Expiration Time (“New Motor Common Stock”) shall be subject to the terms and conditions of this Agreement to the same extent as if they
constituted shares of Motor Common Stock, and such Supporting Motor Shareholder shall promptly notify Motor of the existence of any shares of New Motor Common Stock. 

 

	 	(d)	 Unpermitted Transfers; Involuntary Transfers. Any Transfer or attempted Transfer of any Subject
Securities in violation of this Section 2 shall, to the fullest extent permitted by Law, be null and void ab initio. If any involuntary Transfer of any of such Supporting Motor Shareholder’s Subject Securities shall occur, the transferee
(which term, as used herein, shall include any and all transferees and subsequent transferees of the initial transferee) shall take and hold such Subject Securities subject to all of the restrictions, liabilities, and rights under this Agreement,
which shall continue in full force and effect until valid termination of this Agreement. 

  

	3.	 Agreement to Vote and Approve. 

 

	 	(a)	 Approval. From and after the date hereof until the Expiration Time, each Supporting Motor Shareholder
irrevocably and unconditionally agrees that it shall: 

  

	 	(i)	 at any meeting of the Motor Shareholders, however called, with respect to any of the following matters, and at
every adjournment or postponement thereof, and on every action or approval by written consent of the Motor Shareholders with respect to any of the following, each Supporting Motor Shareholder (A) shall appear at each such meeting (in person or
by proxy) or otherwise cause the Subject Securities that the Supporting Motor Shareholder Beneficially Owns to be counted as present thereat for purposes of calculating a quorum and (B) shall, and shall cause each holder of record on any
applicable record date to (including via proxy), vote all of the Subject Securities the Supporting Motor Shareholder Beneficially Owns for (1) the approval of the ParentCo Stock Issuances and adoption of the Merger Agreement and the
Reincorporation Merger and (2) any proposal to adjourn or postpone such meeting of the Motor Shareholders to a later date if there are not sufficient votes to adopt the Merger Agreement; and 

 

	 	(ii)	 at any meeting of the Motor Shareholders, however called, with respect to any of the following matters, and at
every adjournment or postponement thereof, and on any action or approval by written consent of the Motor Shareholders with respect to any of the following matters, each Supporting Motor Shareholder (A) shall appear at each such meeting or
otherwise cause the Subject Securities that the Supporting Motor Shareholder Beneficially Owns to be counted as present thereat for purposes of establishing a quorum and (B) shall, and shall cause each holder of record on any applicable record
date to (including via proxy), vote the Subject Securities that the Supporting 

	 	
Motor Shareholder Beneficially Owns against (1) any action or agreement that would reasonably be expected to result in any condition to the consummation of the Merger set forth in Article V
of the Merger Agreement not being satisfied, (2) any action which could reasonably be expected to prevent, impede, interfere with, discourage, delay, postpone, or materially adversely affect the consummation of the Transactions, including the
ParentCo Stock Issuances, the adoption of the Merger Agreement and the Reincorporation Merger, or dilute, in any material respect, the benefit of the transactions contemplated thereby to Motor or the Motor Shareholders, and (4) any action which
could reasonably be expected to result in a breach of any representation, warranty, covenant, or agreement of Motor in the Merger Agreement. 

  

	4.	 Irrevocable Proxy. By execution of this Agreement, each Supporting Motor Shareholder hereby appoints and
constitutes Motor, until the Expiration Time (at which time this proxy shall automatically be revoked), with full power of substitution and resubstitution, as such Supporting Motor Shareholder’s true and lawful attorney-in-fact and proxy (which proxy is an “irrevocable proxy” and is coupled with an interest sufficient in law to support an irrevocable proxy, pursuant to Section 609 of the NYBCL), to
the fullest extent of such Supporting Motor Shareholder’s rights with respect to the Subject Securities Beneficially Owned by such Supporting Motor Shareholder, to vote (or exercise a written consent with respect to) such Subject Securities
solely to vote such Subject Securities for (1) the approval of the ParentCo Stock Issuances and adoption of the Merger Agreement and the Reincorporation Merger and (2) any proposal to adjourn or postpone such meeting of the Motor
Shareholders to a later date if there are not sufficient votes to adopt the Merger Agreement, and Motor hereby agrees to vote such proxy as specified in (1) and (2) above provided, however, that the foregoing shall only be effective if such
Supporting Motor Shareholder fails to be counted as present, to consent, or to vote such Supporting Motor Shareholder’s Subject Securities, as applicable, in accordance with this Agreement. Each Supporting Motor Shareholder shall retain the
authority to vote its Subject Securities on all other matters. 

  

	5.	 Representations and Warranties of the Supporting Motor Shareholders. Each Supporting Motor Shareholder
hereby severally, but not jointly, represents, warrants and covenants to Motor as follows: 

  

	 	(a)	 Organization; Due Authority. Such Supporting Motor Shareholder has the full power and authority to make,
enter into, and carry out the terms of this Agreement and to grant the irrevocable proxy as set forth in Section 4 hereof. This Agreement has been duly authorized, and no other action on the part of such Supporting Motor Shareholder is
necessary to authorize the execution and delivery of this Agreement by the Supporting Motor Shareholder. This Agreement has been validly executed and delivered by such Supporting Motor Shareholder and, assuming due authorization, execution and
delivery of this Agreement by the other parties hereto, constitutes a valid and binding agreement of such Supporting Motor Shareholder enforceable against it in accordance with its terms, except that (i) such enforcement may be subject to
applicable bankruptcy, insolvency, fraudulent conveyance or 

	 	
other similar Laws, now or hereafter in effect, affecting creditors’ rights generally and (ii) the remedy of specific performance and injunctive and other forms of equitable relief may
be subject to equitable defenses and to the discretion of the court before which any Proceeding therefor may be brought. 

  

	 	(b)	 Ownership of Motor Common Sotck. As of the date hereof, such Supporting Motor Shareholder
(i) Beneficially Owns the shares of Motor Common Stock indicated on Schedule A hereto opposite such Supporting Motor Shareholder’s name, free and clear of any and all Liens, other than those created by this Agreement, and
(ii) has sole voting power over all of the shares of Motor Common Stock Beneficially Owned by such Supporting Motor Shareholder. As of the date hereof, such Supporting Motor Shareholder does not Beneficially Own any shares of Motor Common Stock
other than the shares of Motor Common Stock set forth on Schedule A opposite such Supporting Motor Shareholder’s name. As of the date hereof, such Supporting Motor Shareholder does not Beneficially Own any rights to purchase or acquire
any shares of Motor Common Stock. 

  

	 	(c)	 No Conflict; Consents. 

 

	 	(i)	 The execution and delivery of this Agreement by such Supporting Motor Shareholder does not, and the performance
by such Supporting Motor Shareholder of its obligations under this Agreement and the compliance by such Supporting Motor Shareholder with any provisions hereof do not and will not: (A) conflict with or violate any Law applicable to such
Supporting Motor Shareholder or (B) conflict with or violate, result in any breach of or constitute a default (or an event that with notice or lapse of time or both would become a default) under, or give to others any rights of termination,
amendment, acceleration, or cancellation of, or result in the creation of a Lien on any of the shares of Motor Common Stock Beneficially Owned by such Supporting Motor Shareholder pursuant to, any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise, or other instrument or obligation, or any order, arbitration award, judgment or decree, to which such Supporting Motor Shareholder or an Affiliate is a party or by which such Supporting Motor Shareholder
or an Affiliate is bound. 

  

	 	(ii)	 No consent, approval, order, or authorization of, or registration, declaration, or filing with, any
Governmental Entity or any other Person, is required by or with respect to such Supporting Motor Shareholder or an Affiliate in connection with the execution and delivery of this Agreement or the performance by such Supporting Motor Shareholder of
its obligations hereunder. 

  

	 	(d)	 Absence of Litigation. There is no Proceeding pending against, or, to the knowledge (after reasonable
inquiry) of such Supporting Motor Shareholder, threatened against or affecting, such Supporting Motor Shareholder or an Affiliate that could reasonably be expected to materially impair or materially adversely affect the ability of such Supporting
Motor Shareholder to perform such Supporting Motor Shareholder’s obligations hereunder on a timely basis. 

	6.	 Termination. This Agreement shall terminate immediately at, and shall have no further force or effect as
of and following, the Expiration Time, provided, however, that the termination of this Agreement shall not relieve any Party from any liability for any inaccuracy in or breach of any representation, warranty, or covenant contained in this Agreement
occurring prior to such termination. 

  

	7.	 Notice of Certain Events. Each Supporting Motor Shareholder shall notify Motor in writing promptly of
(a) any fact, event, or circumstance that would cause, or reasonably be expected to cause or constitute, a breach in any material respect of the representations and warranties of such Supporting Motor Shareholder under this Agreement and
(b) the receipt by such Supporting Motor Shareholder of any notice or other communication from any Person alleging that the consent of such Person is or may be required in connection with this Agreement; provided, however, that the delivery of
any notice pursuant to this Section 7 shall not limit or otherwise affect the remedies available to any Party. 

  

	8.	 Waiver of Certain Actions. Each Supporting Motor Shareholder hereby agrees not to commence or
participate in, and to take all actions necessary to opt out of any class in any class action with respect to, any claim, derivative or otherwise, against Motor, ParentCo, Surge, or any of their respective Affiliates or successors
(a) challenging the validity of, or seeking to enjoin or delay the operation of, any provision of this Agreement or the Merger Agreement (including any claim seeking to enjoin or delay the Closing) or (b) alleging a breach of any duty of
the Surge Board, the Motor Board or the ParentCo Board in connection with the Merger Agreement, this Agreement, or the transactions contemplated thereby or hereby. 

 

	9.	 Miscellaneous. 

 

	 	(a)	 Expenses. All expenses incurred by the Parties will be borne solely and entirely by the Party which has
incurred the same. 

  

	 	(b)	 Notices. All notices, reports, records or other communications that are required or permitted to be
given to the Parties under this Agreement shall be sufficient in all respects if given in writing and delivered in person, by facsimile, by electronic mail, by overnight courier or by registered or certified mail, postage prepaid, return receipt
requested, to the receiving party at the following address: 

 If to Motor, addressed to it at: 

Misonix, Inc. 
 1938 New
Highway 
 Farmingdale, NY 11735 

Attention: Stavros Vizirgianakis 

Email: svizirgianakis@misonix.com 

 with a copy to (for information purposes only): 

Jones Day 
 3161 Michelson
Drive, Suite 800 
 Irvine, CA 92612 

Attention: Jonn R. Beeson 

Email: jbeeson@jonesday.com 

If to any Supporting Motor Shareholder, to it at the mailing or email address set forth on the signature pages hereto. 

or such other address as such Party may have given to the other Parties by notice pursuant to this Section 9(b). Notice shall be deemed
given on (i) the date such notice is personally delivered, (ii) in the case of a globally recognized express delivery service, on the Business Day that receipt by the addressee is confirmed pursuant to the service’s systems, or
(iii) immediately when sent by facsimile or electronic mail, prior to 5:00 p.m. (in the time zone of the receiving party) on a Business Day, and when sent outside of such hours, at 9:00 a.m. (in the time zone of the receiving party) on the next
Business Day. 
  

	 	(c)	 Headings. The headings contained in this Agreement are for reference purposes only and will not affect
in any way the meaning or interpretation of this Agreement. 

  

	 	(d)	 Severability. If any term or other provision of this Agreement is determined by a court of competent
jurisdiction to be invalid, illegal or incapable of being enforced by reason of any rule of Law or public policy, all other conditions and provisions of this Agreement will nevertheless remain in full force and effect. Upon such determination that
any term or other provision is invalid, illegal or incapable of being enforced, the Parties will negotiate in good faith to modify this Agreement so as to effect the original intent of the parties hereto as closely as possible in an acceptable
manner to the end that transactions contemplated hereby are fulfilled to the extent possible. 

  

	 	(e)	 Entire Agreement. This Agreement, together with the other documents delivered pursuant hereto constitute
the entire agreement of the parties hereto and supersede all prior agreements and undertakings, both written and oral, among the parties hereto, or any of them, with respect to the subject matter hereof. 

 

	 	(f)	 Parties in Interest. This Agreement will be binding upon and inure solely to the benefit of each Party
and their respective successors and assigns, and nothing in this Agreement, express or implied, is intended to or will confer upon any other Person any right, benefit or remedy of any nature whatsoever under or by reason of this Agreement

  

	 	(g)	 Assignment. This Agreement will not be assigned by any Party by operation of Law or otherwise without
the prior written consent of the other Parties, and, subject to the preceding clause, this Agreement and all of the provisions hereof shall be binding upon and shall inure to the benefit of the Parties and their respective permitted assigns.

	 	(h)	 Governing Law; Consent to Jurisdiction; Waiver of Trial by Jury. 

 

	 	(i)	 This Agreement will be governed by, and construed in accordance with, the Laws of the State of New York,
without regard to laws that may be applicable under conflicts of laws principles (whether of the State of New York or any other jurisdiction) that would cause the application of the Laws of any jurisdiction other than the State of New York, and any
action, cause of action, claim, cross-claim or third-party claim of any kind or description, whether in law or in equity, whether in contract or in tort or otherwise, in any way relating to this Agreement or any of the transactions contemplated by
this Agreement shall also be governed by, and construed in accordance with, the Laws of the State of New York, without giving effect to any choice of Law or conflict of Laws provision or rule (whether of the State of New York or any other
jurisdiction) that would cause the application of the Laws of any jurisdiction other than the State of New York. 

  

	 	(ii)	 Each of the Parties hereby irrevocably and unconditionally submits, for itself and its property, to the
exclusive jurisdiction of the supreme court of the State of New York, or, if subject matter jurisdiction over the matter that is the subject of the action or proceeding is vested only in the federal courts of the United States of America, the United
States District Court for the Southern District of New York, and any appellate court from any thereof, in any action or proceeding arising out of or relating to this Agreement or the agreements delivered in connection herewith or the transactions
contemplated hereby or thereby or for recognition or enforcement of any judgment relating thereto, and each of the Parties hereby irrevocably and unconditionally (A) agrees not to commence any such action or proceeding except in such court,
(B) agrees that any claim in respect of any such action or proceeding may be heard and determined in such court, (C) waives, to the fullest extent it may legally and effectively do so, any objection which it may now or hereafter have to
the laying of venue of any such action or proceeding in any such court and (D) waives, to the fullest extent permitted by Law, the defense of an inconvenient forum to the maintenance of such action or proceeding in any such court. Each of the
Parties agrees that a final judgment in any such action or proceeding will be conclusive and may be enforced in other jurisdictions by suit on the judgment or in any other manner provided by Law. Each Party irrevocably consents to service of process
in the manner provided for notices in Section 9(b). Nothing in this Agreement will affect the right of any Party to serve process in any other manner permitted by Law. 

 

	 	(iii)	 EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO
INVOLVE COMPLICATED AND DIFFICULT ISSUES, 

	 	
AND THEREFORE IT HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS
AGREEMENT AND ANY OF THE AGREEMENTS DELIVERED IN CONNECTION HEREWITH OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY. EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (A) NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED,
EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE EITHER OF SUCH WAIVERS, (B) IT UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF SUCH WAIVERS, (C) IT MAKES SUCH WAIVERS VOLUNTARILY AND
(D) IT HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 10(h). 

  

	 	(i)	 Amendments and Modifications. No provision of this Agreement may be amended or modified unless such
amendment or modification is in writing and signed by (i) Motor and (ii) the applicable Supporting Motor Shareholder against whom enforcement is sought. No failure or delay by any 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. The rights and remedies herein provided shall be
cumulative and not exclusive of any rights or remedies provided by applicable Law. 

  

	 	(j)	 Counterparts; Electronic Delivery. This Agreement may be executed and delivered, including by e-mail of an attachment in Adobe Portable Document Format or other file format based on common standards (“Electronic Delivery”), in any number of counterparts, and by the different parties hereto
in separate counterparts, each of which when executed and delivered will be deemed to be an original but all of which taken together will constitute one and the same agreement. Any such counterpart, to the extent delivered using Electronic Delivery
will be treated in all manner and respects as an original executed counterpart and will be considered to have the same binding legal effect as if it were the original signed version thereof delivered in person. No Party will raise the use of
Electronic Delivery to deliver a signature or the fact that any signature or agreement or instrument was transmitted or communicated through the use of Electronic Delivery as a defense to the formation of a contract, and each such Party forever
waives any such defense, except to the extent that such defense relates to lack of authenticity. 

  

	 	(k)	 Specific Performance. The Parties 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 will be entitled to specific performance and the issuance of immediate injunctive and other equitable relief to prevent breaches of this Agreement and to specifically
enforce the terms and provisions hereof in any court referred to in Section 9(h), without the necessity of proving the inadequacy of money damages as a remedy, and the parties further agree to waive any requirement for the securing or posting
of any bond in connection with the obtaining of any such injunctive or other equitable relief, this being in addition to any other remedy to which they are entitled at Law or in equity. Each Party further agrees that, in the event of any action for
specific performance in respect of such breach or violation, it will not assert the defense that a remedy at law would be adequate or that the consideration reflected in this Agreement was inadequate or that the terms of this Agreement were not just
and reasonable. 

 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] 

 IN WITNESS WHEREOF, Motor and the Supporting Motor Shareholders have caused this Agreement to be
executed as of the date first written above by their respective officers thereunto duly authorized. 
  

			
	MISONIX, INC.
		
	By:	 	 /s/ Stavros Vizirgianakis

	Name:	 	Stavros Vizirgianakis
	Title:	 	Chief Executive Officer
	
	STAVROS VIZIRGIANAKIS
		
	By:	 	 /s/ Stavros Vizirgianakis

	
	SHARON KLUGEWICZ
		
	By:	 	 /s/ Sharon Klugewicz

	
	JOSEPH DWYER
		
	By:	 	 /s/ Joseph Dwyer

	
	JOHN SALERNO
		
	By:	 	 /s/ John Salerno

	
	DAN VOIC
		
	By:	 	 /s/ Dan Voic

	
	SCOTT LUDECKER
		
	By:	 	 /s/ Scott Ludecker

 Schedule A 

 

			
	Supporting Motor Shareholders	  	Motor Common Stock
		
	Stavros Vizirgianakis	  	1,639,078 shares
		
	Sharon Klugewicz	  	0 shares
		
	Joseph Dwyer	  	1,300 shares
		
	John Salerno	  	0 shares
		
	Dan Voic	  	138,895 shares
		
	Scott Ludecker	  	9,443 sharesEX-10.23

 Exhibit 10.23 

CONSENT, WAIVER AND SECOND AMENDMENT TO AMENDED AND RESTATED 

CREDIT AGREEMENT 

THIS CONSENT, WAIVER AND SECOND AMENDMENT
TO AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”), dated as of April 26, 2019 (“Second Amendment Effective
Date”) is entered into by and among VECTOR CAMBIUM HOLDINGS (CAYMAN), L.P., an exempted limited partnership formed and registered under the laws of the Cayman Islands with registration number 51343 and having its registered
office at Intertrust Corporate Services (Cayman) Limited, 190 Elgin Avenue, George Town, Grand Cayman KY1-9005, Cayman Islands, acting by its general partner, Vector Capital Partners IV, L.P. an exempted
limited partnership formed and registered under the laws of the Cayman Islands, acting by its general partners, Vector Capital, L.L.C and Vector Capital, Ltd. (“Holdings”), CAMBIUM NETWORKS, LTD, a company incorporated
under the laws of England and Wales with company number 07752773 and with its registered office at Unit B2, Linhay Business Park, Eastern Road, Ashburton, Newton Abbot, Devon TQ13 7UP, UK. (the “Borrower”), the other Loan
Parties party hereto, the Lenders party hereto, SILICON VALLEY BANK, as the Issuing Lender, and SILICON VALLEY BANK (“SVB”), as administrative agent for the Lenders (in such capacity, together with its
successors in such capacity, the “Administrative Agent”). 
 WITNESSETH: 

WHEREAS, reference is made to that certain Amended and Restated Credit Agreement, dated as of
December 21, 2017 as amended by that certain Waiver and First Amendment to Amended and Restated Credit Agreement dated as of November 21, 2018 (as amended, amended and restated, supplemented, restructured or otherwise modified, renewed or
replaced from time to time, the “Credit Agreement”), by and among Holdings, the Borrower, the other Loan Parties party thereto, the Lenders and the Administrative Agent; and 

WHEREAS, reference is made to that certain Limited Guaranty, dated as of November 21, 2018 (as
amended, amended and restated, supplemented, restructured or otherwise modified, renewed or replaced from time to time, the “Limited Guaranty”), by and between the Administrative Agent and VECTOR CAPITAL IV,
L.P., a Delaware limited partnership (the “Sponsor Guarantor”); and 

WHEREAS, pursuant to Section 6.2(d) of the Limited Guaranty, the Sponsor
Guarantor is required to cause the Partnership Term (as defined in the Limited Guaranty) to be extended for a one-year period (the “Partnership Term Extension”) by April 27, 2019
(the “Partnership Term Extension Deadline”); and 
 WHEREAS, certain Events of
Default have arisen under Section 8.1(c) of the Credit Agreement as a result of the Borrower’s failure to maintain (i) Minimum Consolidated Fixed Charge Coverage Ratio of not less than 1.00:1.00 for the quarter
ending December 31, 2018 as required pursuant to Section 7.1(a) of the Credit Agreement and (ii) Maximum Consolidated 

 
Leverage Ratio of not greater than 4.25:1.00 for the quarter ending December 31, 2018 as required pursuant to Section 7.1(b) of the Credit Agreement (together with
any other Event of Default that have arisen as a result of the failure to give proper notice of the foregoing, the “Existing Events of Default”); and 

WHEREAS, Holdings and the Borrower have requested that the Lenders and the Administrative Agent
(i) consent to an extension of the Partnership Term Extension Deadline, (ii) waive the Existing Event of Default and (iii) modify and amend certain terms and conditions of the Credit Agreement on the terms and conditions set forth
herein; 
 NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, the Administrative Agent, the Lenders, and the Loan Parties agree as follows: 
 1. Capitalized Terms.
All capitalized terms used herein, and not otherwise defined herein, shall have the meanings assigned to such terms in the Credit Agreement. 
 2. Consent
and Waiver. Upon satisfaction of the conditions precedent set forth in Section 4 below, the Administrative Agent and the Lenders hereby (i) consent to an extension of the Partnership Term Extension Deadline until
May 18, 2019 and (ii) waive the Existing Events of Default, which waiver relates only to the Existing Events of Default described above, and shall not be deemed to constitute a continuing waiver of any provision of the Credit Agreement
with respect to any other Events of Default. Except as expressly provided herein, the Credit Agreement and the other Loan Documents shall remain unmodified and in full force and effect. 

 

	3.	 Amendments to the Credit Agreement. The Credit Agreement is hereby amended as follows:

  

	 	a.	 The Credit Agreement is hereby amended by adding the following definitions in
Section 1.1 thereof in appropriate alphabetical order: 

 “IPO Legal
Expenses”: legal fees and expenses payable to Sidley Austin LLP related to services in connection with Cayman Parent Guarantor’s (or a direct or indirect parent or other Group Member as may be selected by Borrower) initial public
offering. 
 “Second Amendment”: that certain Consent, Waiver and Second Amendment to Amended and Restated Credit
Agreement dated as of April 26, 2019 by and among the Loan Parties, Administrative Agent and the Lenders. 
 “Second
Amendment Effective Date”: as defined in the Second Amendment. 
  

	 	b.	 The Credit Agreement is hereby amended by amending and restating the following definitions in
Section 1.1 thereof to read as follows: 

 “Adjusted Quick Ratio”: the
ratio of (i) (a) Qualified Cash of the Loan Parties plus (b) net billed accounts receivable of the Loan Parties, divided by (ii) (a) Consolidated Current Liabilities minus (b) IPO Legal Expenses minus (c) lease liability
associated with the adoption of FASB ASC 842. 

  
 -2- 

 “Consolidated Fixed Charges”: for any period ending on any determination
date (the “determination date”), the sum (without duplication) of (a) Consolidated Interest Expense for such period, plus (b) scheduled payments to be made during the period on account of principal of
Indebtedness of the Borrower, Holdings and their consolidated Subsidiaries (including, without limitation, scheduled principal payments in respect of the Term Loans and Capital Lease Obligations); provided that any earn out payments in connection
with Permitted Acquisitions shall not constitute Consolidated Fixed Charges. 
 “Fee Letter”: individually and
collectively, (i) the letter agreement dated December 12, 2017 between Holdings, Borrower, and Administrative Agent (ii) the letter agreement dated as of the First Amendment Effective Date between Holdings, Borrower, and
Administrative Agent (“First Amendment Fee Letter) and (iii) the letter agreement dated as of the Second Amendment Effective Date between Holdings, Borrower, and Administrative Agent (“Second Amendment Fee
Letter). 
 “Qualified Public Offering”: the initial underwritten public offering and sale to the public of
common Capital Stock of Cayman Parent Guarantor’s (or a direct or indirect parent or other Group Member as may be selected by Borrower) pursuant to an effective registration statement filed with the Securities and Exchange Commission in
accordance with the Securities Act of 1933 (or equivalent foreign governmental entity). 
  

	 	c.	 The Credit Agreement is hereby amended by amending and restating Section 7.1(a)
thereof to read as follows: 

 “(a) Consolidated Fixed Charge Coverage Ratio. Permit the Consolidated
Fixed Charge Coverage Ratio, tested quarterly, as at the last day of any period set forth below of the Borrower ending with any date set forth below to be less than the ratio set forth below opposite such period: 

 

					
	 Period
	  	Minimum
Consolidated Fixed
Charge Coverage
Ratio	 
	 Trailing three month period ending March 31, 2019
	  	 	1.00:1.00	 
	 Trailing sixth month period ending June 30, 2019
	  	 	1.10:1.00	 
	 Trailing nine month period ending September 30, 2019
	  	 	1.15:1.00	 
	 Trailing twelve month period ending December 31, 2019
	  	 	1.15:1.00	 
	 Trailing twelve month period ending March 31, 2020 and each trailing twelve month quarterly
period ending thereafter
	  	 	1.25:1.00”	 

  
 -3- 

	 	d.	 The Credit Agreement is hereby amended by amending and restating Section 7.1(b)
thereof to read as follows: 

 “(b) Consolidated Leverage Ratio. Permit the Consolidated Leverage Ratio
as at the last day of any period of four consecutive fiscal quarters of the Borrower ending with any date set forth below to exceed the ratio set forth below opposite such period: 

 

					
	 Trailing Four Quarter Period Ended
	  	Maximum
Consolidated
Leverage Ratio	 
	 March 31, 2019
	  	 	4.25:1.00	 
	 June 30, 2019
	  	 	3.75:1.00	 
	 September 30, 2019
	  	 	3.25:1.00	 
	 December 31, 2019 through March 31, 2020
	  	 	3.00:1.00	 
	 June 30, 2020
	  	 	2.75:1.00	 
	 September 30, 2020 through December 31, 2020
	  	 	2.50:1.00	 
	 March 31, 2021 through June 30, 2021
	  	 	2.25:1.00	 
	 September 30, 2021
	  	 	2.00:1.00	 
	 December 31, 2021 through March 31, 2022
	  	 	1.75:1.00	 
	 June 30, 2022 and thereafter
	  	 	1.50:1.00”	 

  

	 	e.	 The Credit Agreement is hereby amended by adding the following Section 7.22
immediately following Section 7.21 of the Credit Agreement to read as follows: 

“7.22 IPO Legal Expenses. Make any payment of any IPO Legal Expenses; provided that Borrower may make payments
in respect of IPO Legal Expenses, (i) with proceeds of a Qualified Public Offering or (ii) so long as before and immediately after giving effect to such payment (a) no Default or Event of Default shall have occurred and be continuing
and (b) Liquidity shall be not less than $7,500,000.” 
  

	4.	 Conditions Precedent to Effectiveness. This Amendment shall not be effective until each of the following
conditions precedent have been fulfilled or waived prior to or concurrently herewith, each to the satisfaction of the Administrative Agent (such date being the “Second Amendment Effective Date”): 

 

	 	a.	 The Loan Parties and each party hereto and thereto shall have executed and delivered this Amendment and the
Second Amendment Fee Letter. 

  

	 	b.	 [Reserved]. 

  
 -4- 

	 	c.	 All necessary board of directors and/or shareholder or other corporate consents and approvals to this Amendment
(if any) shall have been obtained. 

  

	 	d.	 [Reserved]. 

  

	 	e.	 [Reserved]. 

  

	 	f.	 No Default or Event of Default shall have occurred and be continuing, both before and immediately after giving
effect to the execution of this Amendment. 

  

	 	g.	 The Lenders and the Administrative Agent shall have received payment from the Borrower of all the fees, costs
and expenses required to be paid pursuant to Section 6 of this Amendment (including the fees and expenses of legal counsel required to be paid thereunder to the extent an invoice therefor has been received by the Loan
Parties). 

  

	 	h.	 The representations and warranties set forth in Section 5 below shall be true and correct in all respects.

  

	5.	 Representations and Warranties. Each of the Loan Parties hereby represents and warrants to the
Administrative Agent and the Lenders as follows: 

  

	 	a.	 Such Loan Party has the power and authority to enter into this Amendment and to perform its obligations under
this Amendment. 

  

	 	b.	 This Amendment has been duly executed and delivered by such Loan Party and is a legally valid and binding
obligation of it, enforceable against it in accordance with its terms, except as enforcement may be limited by equitable principles (whether enforcement is sought by proceedings in equity or law) or by bankruptcy, insolvency, reorganization,
moratorium or similar laws relating to or limiting creditors’ rights generally. 

  

	 	c.	 Each of the representations and warranties made by such Loan Party in or pursuant to this Amendment and the
other Loan Documents to which it is a party, (i) that is qualified by materiality is true and correct, and (ii) that is not qualified by materiality, is true and correct in all material respects, in each case, on and as of the date hereof
as if made on and as of such date, except to the extent any such representation and warranty expressly relates to an earlier date, in which case such representation and warranty was true and correct in all material respects (or all respects, as
applicable) as of such earlier date. 

  

	6.	 Payment of Costs and Fees. The Borrower shall pay to the Administrative Agent all amounts due pursuant
to the Second Amendment Fee Letter. In addition, the Borrower shall pay all reasonable costs, out-of-pocket expenses, and fees and charges of every kind in connection
with the preparation, negotiation, execution and delivery of this Amendment and any documents and instruments relating hereto or thereto (which costs include, without limitation, the reasonable and documented fees and disbursements of any attorneys
retained by the Administrative Agent), in each case, in accordance with Section 10.5 of the Credit Agreement. 

  
 -5- 

	7.	 Choice of Law. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED
BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO THE CONFLICT OF LAW RULES THEREOF (OTHER THAN SECTION 5-1401 OF THE NEW YORK GENERAL OBLIGATIONS
LAW). 

  

	8.	 Counterpart Execution. This Amendment may be executed by one or more of the parties to this Amendment on
any number of separate counterparts, and all of said counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of an executed signature page of this Amendment by facsimile or electronic mail transmission shall
be effective as delivery of a manually executed counterpart hereof. 

  

	9.	 Release by Group Members. Effective on the Second Amendment Effective Date, each Group Member, for
itself and on behalf of its successors, assigns, and officers, directors, employees, agents and attorneys, and any Person acting for or on behalf of, or claiming through it, hereby waives, releases, remises and forever discharges the Administrative
Agent and each of the Lenders and each of their respective successors in title, past and present and future officers, directors, employees, limited partners, general partners, investors, attorneys, assigns, subsidiaries, shareholders, trustees,
agents and other professionals and all other persons and entities to whom the Administrative Agent or any Lender would be liable if such persons or entities were found to be liable to such Group Member (each a “Releasee” and
collectively, the “Releasees”), from any and all known claims, suits, liens, lawsuits, amounts paid in settlement, debts, deficiencies, diminution in value, disbursements, demands, obligations, liabilities, causes of action,
damages, losses, costs and expenses of any kind or character, whether based in equity, law, contract, tort, implied or express warranty, strict liability, criminal or civil statute or common law (each a “Claim” and collectively, the
“Claims”), fixed or contingent, direct, indirect, or derivative, asserted or unasserted, matured or unmatured, past or present, liquidated or unliquidated, which such Group Member ever had or now has against any such Releasee which
arose from the beginning of the world to and including the date hereof (but excluding, for the avoidance of doubt, any Claim which arises after the date hereof) which relates, directly or indirectly to the Credit Agreement, any other Loan Document,
or to any acts or omissions of any such Releasee with respect to the Credit Agreement or any other Loan Document, or to the lender-borrower relationship evidenced by the Loan Documents, except for the duties and obligations set forth in this
Amendment (in each case, other than with respect to acts or omissions of any Releasee that a court of competent jurisdiction finally determines to have resulted from the gross negligence, willful misconduct or bad faith of such Releasee). As to each
and every Claim released hereunder, each Group Member also waives the benefit of each other similar provision of applicable federal or State law (including without limitation the laws of the state of New York), if any, pertaining to general releases
after having been advised by its legal counsel with respect thereto. 

  
 -6- 

 10. Effect on Loan Documents. 
  

	 	a.	 The Credit Agreement, as amended hereby, and each of the other Loan Documents shall be and remain in full force
and effect in accordance with their respective terms and hereby are ratified and confirmed in all respects. The execution, delivery, and performance of this Amendment shall not operate, except as expressly set forth herein, as a modification or
waiver of any right, power, or remedy of the Administrative Agent or any Lender under the Credit Agreement or any other Loan Document. The consents, modifications, waivers and other agreements set forth herein are limited to the specifics hereof
(including facts or occurrences on which the same are based), shall not apply with respect to any facts or occurrences other than those on which the same are based, shall not excuse any non-compliance with the
Loan Documents, and shall not operate as a consent or waiver to any matter under the Loan Documents. Except for the amendments to the Credit Agreement expressly set forth herein, the Credit Agreement and other Loan Documents shall remain unchanged
and in full force and effect. To the extent any terms or provisions of this Amendment conflict with those of the Credit Agreement or other Loan Documents, the terms and provisions of this Amendment shall control. 

 

	 	b.	 Upon and after the Second Amendment Effective Date, each reference in the Credit Agreement to “this
Agreement”, “hereunder”, “herein”, “hereof” or words of like import referring to the Credit Agreement, and each reference in the other Loan Documents to “the Credit Agreement”, “thereunder”,
“therein”, “thereof” or words of like import referring to the Credit Agreement, shall mean and be a reference to the Credit Agreement as modified and amended hereby. 

 

	 	c.	 To the extent that any terms and conditions in any of the Loan Documents shall contradict or be in conflict
with any terms or conditions of the Credit Agreement, after giving effect to this Amendment, such terms and conditions are hereby deemed modified or amended accordingly to reflect the terms and conditions of the Credit Agreement as modified or
amended hereby. 

  

	 	d.	 This Amendment is a Loan Document. 

 

	 	e.	 Unless the context of this Amendment clearly requires otherwise, references to the plural include the singular,
references to the singular include the plural, the terms “includes” and “including” are not limiting, and the term “or” has, except where otherwise indicated, the inclusive meaning represented by the phrase
“and/or”. 

 11. Entire Agreement. This Amendment, and terms and provisions hereof, the Credit Agreement and the other
Loan Documents constitute the entire understanding and agreement between the parties hereto with respect to the subject matter hereof and supersedes any and all prior or contemporaneous amendments or understandings with respect to the subject matter
hereof, whether express or implied, oral or written and is the final expression and agreement of the parties hereto with respect to the subject matter hereof. 

  
 -7- 

 12. Reaffirmation of Obligations. Each Loan Party hereby restates, ratifies and reaffirms its obligations
under each Loan Document to which it is a party, effective as of the date hereof and amended hereby. Each Loan Party hereby further ratifies and reaffirms the validity and enforceability of all of the Liens heretofore granted, pursuant to and in
connection with the Guarantee and Collateral Agreement or any other Loan Document to the Administrative Agent on behalf and for the benefit of the Lenders and the Issuing Lender, as collateral security for the obligations under the Loan Documents in
accordance with their respective terms, and acknowledges that all of such Liens, and all collateral heretofore pledged as security for such obligations, continues to be and remain collateral for such obligations from and after the date hereof. 

13. Severability. In case any provision in this Amendment shall be invalid, illegal or unenforceable, such provision shall be severable from the
remainder of this Amendment and the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

[Remainder of Page Intentionally Left Blank] 

  
 -8- 

 IN WITNESS WHEREOF, the parties have executed this Amendment by their respective duly
authorized officers. 
  

							
	HOLDINGS:
	
	VECTOR CAMBIUM HOLDINGS (CAYMAN), L.P.,
	as Holdings
		
	By:	 	 Vector Capital Partners IV, L.P.,

its General Partner

			
		 	By:	 	 Vector Capital, L.L.C.
 a General
Partner

			
		 	By:	 	/s/ David Baylor
		 		 	 David Baylor
 Chief Operating
Officer

			
		 	By:	 	 Vector Capital, Ltd.,
 a General
Partner

				
		 		 	By:	 	/s/ David Baylor
		 		 		 	 David Baylor
 Director

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

 
			
	BORROWER:
	
	EXECUTED and DELIVERED as a DEED by CAMBIUM NETWORKS, LTD acting by a director in the presence of:
		
	Signature of director	 	/s/ Stephen Cumming
		
	Print Name	 	Stephen Cumming
		
	Signature of witness	 	/s/ Peter Schuman
		
	Print Name	 	Peter Schuman
		
	Address	 	Peter Schuman
		
		 	2502 Poppy Dr.
		
		 	Burlingame, CA 94010
		
	Occupation	 	Investor Relations Consultant

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

			
	Acknowledged and Agreed to:
	
	PARENT GUARANTORS:
	
	 CAMBIUM NETWORKS CORPORATION

(f/k/a Vector Cambium Holdings (Cayman), Ltd.)
 as a Parent
Guarantor

		
	By:	 	/s/ Alexander R. Slusky                         
               
	Name: Alexander R. Slusky
	Title: Director

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

			
	 CAMBIUM (US), L.L.C.,
 as a
Parent Guarantor

		
	By:	 	/s/ Stephen Cumming                           
             
	Name: Stephen Cumming
	Title: Chief Financial Officer

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

			
	 SUBSIDIARY GUARANTORS:

	
	 CAMBIUM NETWORKS, INC.,
 as a
Subsidiary Guarantor

		
	By:	 	/s/ Stephen Cumming                           
             
	Name: Stephen Cumming
	Title: Chief Financial Officer

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

 
			
	ADMINISTRATIVE AGENT:
	
	 SILICON VALLEY BANK
 as the
Administrative Agent

		
	By:	 	/s/ Michael Willard                           
                       
	Name: Michael Willard
	Title: Managing Director

  
 [Signature page to
Second Amendment to Amended and Restated Credit Agreement] 

 
			
	LENDERS:
	
	 SILICON VALLEY BANK
 as
Issuing Lender and as a Lender

		
	By:	 	/s/ Michael Willard                           
                       
	Name: Michael Willard
	Title: Managing Director

  
 [Signature page to
Second Amendment to Credit Agreement] 

 
			
	 HSBC BANK USA, NATIONAL ASSOCIATION

as a Lender

		
	By:	 	/s/ Will
Turner                                        
              

 
			
		
	Name:	 	Will Turner                             
                           

 
			
		
	Title:	 	Global Relationship Manager                          
   

  
 [Signature page to
Second Amendment to Credit Agreement] 

 
			
	 CADENCE BANK, N.A.
 as a
Lender

		
	By:	 	/s/ Steve Prichett                           
                         

 
			
		
	Name:	 	Steve Prichett                             
                       

 
			
		
	Title:	 	EVP                               
                                     

  
 [Signature page to
Second Amendment to Credit Agreement] 

 
			
	 MUFG UNION BANK, N.A.
 as a
Lender

		
	By:	 	/s/ Michael Stahl                           
                         

 
			
		
	Name:	 	Michael Stahl                             
                       

 
			
		
	Title:	 	Director                              
                                 

  
 [Signature page to
Second Amendment to Credit Agreement] 

 AGREED AND ACKNOWLEDGED: 

 

			
	VECTOR CAPITAL IV, L.P.
		
	By:	 	 Vector Capital Partners IV, LP.,
 its general
partner

		
	By:	 	 Vector Capital,
 its general
partner

		
	By:	 	/s/ Alexander R. Slusky
	Name:	 	Alexander R. Slusky
	Title:	 	Managing Member

  
 [Signature page to
Second Amendment to Credit Agreement]

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