Document:

FIRST
MODIFICATION TO LOAN AND SECURITY AGREEMENT AND

LOAN
DOCUMENTS

This
First Modification to Loan and Security Agreement and Loan Documents (this Modification) is entered into by and
between APPLIED UV, INC., a Delaware corporation (Applied), STERILUMEN, INC., a New York corporation
(Sterilumen), and MUNN WORKS, LLC, a New York limited liability company (Munn Works; together with
Applied and Sterilumen individually and collectively, Borrower), and PINNACLE BANK, a California corporation (Lender),
as of this 9th day of December, 2022 at San Jose, California.

RECITALS

A. 
Lender and Borrower are contemporaneously entering into a Loan and Security Agreement dated as of December 9, 2022, as modified from
time to time pursuant to one or more Modifications to Loan and Security Agreement (collectively, the Loan Agreement). Initially
capitalized terms used but not defined herein shall have the meanings set forth in the Loan Agreement.

B. 
Borrower has requested, and Lender (subject to fulfillment of the Conditions Precedent set forth below) has agreed, to modify the Loan
Agreement and Loan Documents as set forth below; including, without limitation, by waiving the condition that Borrower cause Streeterville
Capital, LLC to provide a Subordination Agreement in favor of Lender.

AGREEMENT

For
good and valuable consideration, the parties agree as set forth below:

1. 
Incorporation by Reference. The Loan Agreement and the above Recitals are incorporated herein by this reference.

2. 
Effective Date. The terms of this Modification shall become effective upon fulfillment of the Conditions Precedent set forth below
as required by Lender.

3.
Modifications to Loan Agreement.

(a)  The Preamble to the
Loan Agreement is amended to fix the date of the Loan Agreement to December 9, 2022, with the remainder of the Preamble to remain unchanged
and in full force and effect.

(b)  The definition of
“Termination Date”, set forth in Section 1.1 of the Loan Agreement, is amended to fix the date of the “Initial Term”
set forth in such definition to December 9, 2024, with the remainder of such definition to remain unchanged and in full force and effect.

(c)  Section 2.7 of the
Loan Agreement is amended to fix the references regarding the months and dates (and not years) to December 9, with the remainder of such
Section to remain unchanged and in full force and effect.

(d)  The reference to
Streeterville Captial, LLC set forth in the definition of Subordinating Creditor in Section 1.1 of the Loan Agreement is
hereby deleted, with the definition of Subordinating Creditor amended and restated in its entirety to the following:

Subordinating
Creditor means N/A, and any other person or entity to whom Borrower is indebted on a secured or unsecured basis, and which person
or entity is required to sign a Subordination Agreement in favor of Lender.

 (e) Section 8.13 of the Loan Agreement is amended and restated in its entirety to read as follows:

 

8.13 Subordinated
Debt. (a) Borrower or any Subordinating Creditor (i) fails to perform or observe any of such Subordinating Creditor's
obligations under any Subordination Agreement; or (ii) notifies Lender of Subordinating Creditor's intention to rescind, modify,
terminate or revoke any Subordination Agreement; (b) the occurrence of a default or event of default under any subordinated
indebtedness, with the indebtedness of Borrower to Streeterville Capital, LLC (Streeterville) constituting
subordinated indebtedness for purposes of this subparagraph (b); (c) any Subordination Agreement ceases to be in full force and
effect for any reason whatsoever; (d) Borrower makes any payment on account of indebtedness which has now or hereafter been
subordinated to the Obligations, except to the extent such payment is allowed under any subordination agreement entered into with
Lender; or (e) Borrower makes any payment on account of any indebtedness owed by Borrower to Streeterville except that so long as no
Event of Default exists at the time of the making of any of the following permitted payments or will result therefrom, Borrower,
with respect to the Streeterville indebtedness existing as of the date of this Agreement, shall be permitted to make scheduled: (i)
non-cash payments consisting of stock in Borrower, and (ii) cash payments so long as after giving effect to any such cash payments
(1) Borrower has cash on hand of at least $1,000,000 (not including any cash constituting the proceeds of Advances under the Loan
Agreement), (2) Borrower under Section 2.1 of the Agreement has unused borrowing availability for Advances of at least $100,000.00,
and (3) Borrower’s accounts payable are paid consistent with historical practices; with Borrower agreeing to provide Lender
with copies of all notices received from Streeterville including, without limitation, “Redemption Notice(s)” from
Streeterville and any allocation adjustments (of cash/non-cash payments) thereto elected by Borrower, and with Lender, in its sole
discretion, entitled to create reserves, from time to time, against amounts that would be available for borrowing under
Section

2.1
of the Agreement, with Borrower irrevocably authorizing Lender (but with Lender having no obligation) to use the proceeds of such reserves
to make permitted cash payments due from Borrower to Streeterville.

 4. Modifications to Loan Documents.

 

(a) 
Reserved.

(b) 
All signature blocks of Munn Works in the Loan Documents (including the Loan Agreement) are amended and restated to the below format,
with the signature of Munn Works below to replace the signature of Munn Works in all such Loan Documents existing as of the date of this
Modification (with Munn Works’ obligations under all of such existing Loan Documents hereby ratified and continuing in full force
and effect):

	 	 	MUNN
  WORKS, LLC,
	 	 	a
  New York limited Liability company
	 	 	
	 	 	By: Applied Uv, Inc.,
	 	 	a Delaware corporation
	 	 	 
	 	 	Its: Managing Member
	 	 	 
	 	 	By:
	 	 	Name: Max Munn
	 	 	Its: President

(c)  The requirement that
Borrower cause Streeterville Capital, LLC to provide Lender with a Subordination Agreement, as set forth Section 5(a) of the Conditions
Precedent/Subsequent Rider to Loan and Security Agreement, dated as of December 9, 2022, between Borrowers, on the one hand, and Lender,
on the other hand, is hereby waived with such Section 5(a) amended and restated to the following:

(a) Intentionally Omitted.

5.  Conditions Precedent. The effectiveness
of this Modification is conditioned upon fulfillment of the following conditions precedent as required by Lender, with any unfulfilled
conditions precedent (unless waived by Lender) to become conditions subsequent to be immediately satisfied:

(a) Borrower shall have executed
and delivered to Lender a copy of this Modification;

(b) The delivery, execution,
resolution and/or completion (as applicable), to Lender's satisfaction, of all other documents, matters or acts required by Lender in
connection with this Modification including, without limitation:

(i) N/A.

(c) 
Borrower shall have paid Lender’s attorneys’ fees and costs incurred in connection with the preparation and negotiation of
this Modification and related documents, which fees and costs (at Lender’s option) may be charged as Advances under the Loan Agreement
and added to the Obligations regardless of whether an Overadvance will result.

6. 
Releases. In consideration of Lender’s agreement to enter into this Modification, Borrower and the undersigned guarantors
(if any) each release Lender and its respective agents, employees, officers, directors, attorneys, representatives, insurers, and successors
and assigns (individually and collectively, the Released Parties), from any and all claims, whether or not such claims
are known, unknown or suspected to exist, and causes of action which have been sustained or may be sustained, relating in any way to
the lending relationship between Lender, on the one hand, and Borrower and/or such guarantors (if any), on the other hand (individually
and collectively, the Released Matters). Borrower and the undersigned guarantors (if any) each covenant and agree that
neither they nor their agents, employees or successors and assigns will hereafter commence, maintain or prosecute any action at law or
otherwise, or assert any claim against the Released Parties, for damages or loss of any kind or amount arising out of the subject matter
of the Released Matters. It is the intention of each of Borrower and the undersigned guarantors (if any) that this release shall be effective
in full and final accord and satisfaction and release of and from all Released Matters. Borrower and the undersigned guarantors (if any)
each hereby waive any and all rights which they have or may have against the Released Parties under the provisions of Section 1542 of
the California Civil Code (or other applicable law) as now worded and hereafter amended, which section presently read as follows:

A
GENERAL RELEASE DOES NOT EXTEND TO CLAIMS THAT THE CREDITOR OR RELEASING PARTY DOES NOT KNOW OR SUSPECT TO EXIST IN HIS OR HER FAVOR
AT THE TIME OF EXECUTING THE RELEASE AND THAT, IF KNOWN BY HIM OR HER, WOULD HAVE MATERIALLY AFFECTED HIS OR HER SETTLEMENT WITH THE
DEBTOR OR RELEASED PARTY.

7. 
Reaffirmations. Borrower hereby ratifies, reaffirms, and remakes as of the date hereof each and every representation and warranty
contained in the Loan Agreement (as amended by this Modification) and in any document incident thereto or connected therewith.

8. 
Legal Effect. Except as specifically set forth in this Modification, all of the terms and conditions of the Loan Agreement remain
in full force and effect.

9. 
No Waiver of Events of Default. As of the date hereof, Lender may have been unable to ascertain the existence of any events of
default under the Loan Agreement, and Lender’s failure to refer herein to any existing event of default shall not be deemed a waiver
of any such existing event of default.

10. 
Counterparts. This Modification may be executed in any number of counterparts, each of which shall be deemed an original but all
of which taken together shall constitute a single original.

11. 
Electronic Signature. This Modification, or a signature page thereto intended to be attached to a copy of this Agreement, signed
and transmitted by facsimile machine, telecopier or other electronic means (including via transmittal of a “.pdf” file) shall
be deemed and treated as an original document. The signature of any person thereon, for purposes hereof, is to be considered as an original
signature, and the document transmitted is to be considered to have the same binding effect as an original signature on an original document.
At the request of any party hereto, any facsimile, telecopy or other electronic document is to be re-executed in original form by the
person who executed the facsimile, telecopy of other electronic document. No party hereto may raise the use of a facsimile machine, telecopier
or other electronic means or the fact that any signature was transmitted through the use of a facsimile machine, telecopier or other
electronic means as a defense to the enforcement of this Modification.

12. 
Integration. This is an integrated Modification and supersedes all prior negotiations and agreements regarding the subject matter
hereof. All amendments hereof must be in writing and signed by the parties.

    	 	1	 

     

    

 

IN
WITNESS WHEREOF, the parties have executed this First Modification to Loan and Security Agreement and Loan Documents as of the date first
set forth above.

APPLIED
UV, INC.,

a Delaware corporation

 

By:/s/
Max Munn

Name:Max Munn

Title:President

 

[Signatures
Continued on Next Page]

STERILUMEN,
INC.,

a New York corporation

 

By:/s/
Max Munn

Name:Max Munn

Title:President

 

MUNN
WORKS, LLC,

a
New York limited liability company

 

By:Applied
UV, Inc.

A
Delaware corporation

Its:Managing Member

 

By:/s/
Max Munn

Name:Max Munn

Title:President

 

PINNACLE
BANK,

a California corporation

 

By:/s/
Kevin O’Hare

Name:Kevin O’Hare

Title:President,
Capital Finance Group

    	 	2Document

                                                             Exhibit 4.5

DESCRIPTION OF THE REGISTRANT’S SECURITIES
REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934
Keysight Technologies, Inc. (“we,” “our,” “us,” or “Keysight”) has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended: our common stock. The following summary of the terms of our common stock is based upon our Amended and Restated Certificate of Incorporation and our Amended and Restated Bylaws. This summary does not purport to be complete and is subject to, and is qualified in its entirety by express reference to, the applicable provisions of our Amended and Restated Certificate of Incorporation and our Amended and Restated Bylaws, which are filed as exhibits to our Annual Report on Form 10-K and are incorporated by reference herein. We encourage you to read our Amended and Restated Certificate of Incorporation, our Amended and Restated Bylaws and the applicable provisions of the Delaware General Corporation Law (the “DGCL”) for more information.
DESCRIPTION OF COMMON STOCK
General
Our authorized capital stock consists of one billion shares of common stock, par value $0.01 per share, and 100 million shares of preferred stock, par value $0.01 per share, none of which were outstanding as of that date. All outstanding shares of common stock are duly authorized, validly issued, fully paid and non-assessable. 
Voting Rights
Each holder of our common stock is entitled to one vote for each share on all matters to be voted upon by the common stockholders, and there are no cumulative voting rights. 
Dividend Rights
Subject to any preferential rights of any then-outstanding preferred stock, holders of our common stock are entitled to receive ratably the dividends, if any, as may be declared from time to time by our board of directors out of funds legally available for that purpose. 
Liquidation Rights
If there is a liquidation, dissolution or winding up of Keysight, holders of our common stock would be entitled to ratable distribution of our assets remaining after the payment in full of liabilities and any preferential rights of any then-outstanding preferred stock.
Other Rights and Preferences
Holders of our common stock have no preemptive or conversion rights or other subscription rights, and there are no redemption or sinking fund provisions applicable to the common stock. The rights, preferences and privileges of the holders of our common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of preferred stock that we may designate and issue in the future.
Listing
Our common stock is traded on the New York Stock Exchange under the symbol “KEYS.”
Transfer Agent and Registrar 
The transfer agent and registrar for our common stock is Computershare Trust Company.
Preferred Stock
Keysight’s board of directors has the discretion, subject to limitations prescribed by the DGCL and by Keysight’s Amended and Restated Certificate of Incorporation, to determine the designations, powers, rights, preferences, privileges, qualifications, limitations and restrictions, including voting rights (if any), dividend rights, dissolution rights, conversion rights, exchange rights, redemption rights and liquidation preferences, of each series of preferred stock.
1

Effect of Certain Provisions of the Delaware Anti-Takeover Statute and our Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws
Provisions of the DGCL and Keysight’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws could make it more difficult to acquire Keysight by means of a tender offer, a proxy contest or otherwise, or to remove incumbent officers and directors. These provisions, summarized below, are expected to discourage certain types of coercive takeover practices and takeover bids that our board of directors may consider inadequate and to encourage persons seeking to acquire control of Keysight to first negotiate with our board of directors. Keysight believes that the benefits of increased protection of our ability to negotiate with the proponent of an unfriendly or unsolicited proposal to acquire or restructure Keysight outweigh the disadvantages of discouraging takeover or acquisition proposals because, among other things, negotiation of these proposals could result in an improvement of their terms.
Delaware Anti-Takeover Statute
Keysight is subject to Section 203 of the DGCL, an anti-takeover statute. In general, Section 203 of the DGCL prohibits a publicly held Delaware corporation from engaging in a “business combination” with an “interested stockholder” for a period of three years following the time the person became an interested stockholder, unless (i) prior to such time, the board of directors of such corporation approved either the business combination or the transaction that resulted in the stockholder becoming an interested stockholder; (ii) upon consummation of the transaction that resulted in the stockholder becoming an interested stockholder, the interested stockholder owned at least 85% of the voting stock of such corporation at the time the transaction commenced (excluding for purposes of determining the voting stock outstanding (but not the outstanding voting stock owned by the interested stockholder) the voting stock owned by directors who are also officers or held in employee benefit plans in which the employees do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer); or (iii) on or subsequent to such time the business combination is approved by the board of directors of such corporation and authorized at a meeting of stockholders by the affirmative vote of at least two-thirds of the outstanding voting stock of such corporation not owned by the interested stockholder. Generally, a “business combination” includes a merger, asset or stock sale, or other transaction resulting in a financial benefit to the interested stockholder. Generally, an “interested stockholder” is a person who, together with affiliates and associates, owns (or within three years prior to the determination of interested stockholder status did own) 15% or more of a corporation’s voting stock. The existence of this provision would be expected to have an anti-takeover effect with respect to transactions not approved in advance by Keysight’s board of directors, including discouraging attempts that might result in a premium over the market price for the shares of common stock held by Keysight’s stockholders.
Classified Board
Keysight’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws provide that our board of directors is divided into three classes, with the three classes each serving staggered three-year terms. Directors for each class are elected at the annual meeting of stockholders held in the year in which the term for their class expires. Subject to the rights of holders of any then-outstanding series of preferred stock, Keysight’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws provide that the number of directors will be fixed exclusively by resolution of the board of directors.
At any meeting of stockholders for the election of directors at which a quorum is present, the election will be determined by a majority of the votes cast by the stockholders entitled to vote in the election, with directors not receiving a majority of the votes cast required to tender their resignations for consideration by the board of directors, except that in the case of a contested election, the election will be determined by a plurality of the votes cast by the stockholders entitled to vote in the election. Under the classified board provisions, it would take at least two elections of directors for any individual or group to gain control of Keysight’s board of directors. Accordingly, these provisions could discourage a third party from initiating a proxy contest, making a tender offer or otherwise attempting to gain control of Keysight.
Removal of Directors
Keysight’s Amended and Restated Bylaws provide that our stockholders may remove our directors only for cause, by an affirmative vote of holders of at least the majority of Keysight’s voting stock then outstanding.
2

Amendments to Amended and Restated Certificate of Incorporation
Keysight’s Amended and Restated Certificate of Incorporation provides that the affirmative vote of the holders of at least 80% of its voting stock then outstanding is required to amend certain provisions relating to the number, term and removal of directors, the filling of board vacancies, the advance notice to be given for nominations for elections of directors, the calling of special meetings of stockholders, stockholder action by written consent, the ability of the board of directors to amend the bylaws, the elimination of liability of directors to the extent permitted by Delaware law, exclusive forum for certain types of actions and proceedings that may be initiated by Keysight’s stockholders and amendments of the Amended and Restated Certificate of Incorporation.
Amendments to Amended and Restated Bylaws
Keysight’s Amended and Restated Certificate of Incorporation and Amended and Restated Bylaws provide that they may be amended by Keysight’s board of directors or by the affirmative vote of holders of a majority of Keysight’s voting stock then outstanding, except that the affirmative vote of holders of at least 80% of Keysight’s voting stock then outstanding is required to amend certain provisions relating to the calling of special meetings of stockholders, the business that may be conducted or considered at annual or special meetings, the advance notice of stockholder business and nominations, stockholder action by written consent, the number, tenure, qualifications and removal of Keysight’s directors, the filling of board vacancies, director and officer indemnification and amendments of the bylaws.
Size of Board and Vacancies
Keysight’s Amended and Restated Bylaws provide that the number of directors on our board of directors will be fixed exclusively by our board of directors, subject to the rights of any holders of any series of preferred stock to elect directors under specified circumstances. Any vacancies created in our board of directors resulting from any increase in the authorized number of directors or the death, resignation, retirement, disqualification, removal from office or other cause will be filled by a majority of the board of directors then in office, even if less than a quorum is present, or by a sole remaining director. Any director appointed to fill a vacancy on Keysight’s board of directors will be appointed for a term expiring at the next election of the class for which such director has been appointed, and until his or her successor has been elected and qualified.
Special Stockholder Meetings
Keysight’s Amended and Restated Certificate of Incorporation provides that only the board of directors, pursuant to a resolution adopted by the majority of the entire board, the chairman of the board of directors or Keysight’s chief executive officer, or, if the chief executive officer is absent or unable, by the president or any executive vice president, may call special meetings of Keysight’s stockholders. The majority of the board of directors must concur with the calling of the meeting by the chairman, chief executive officer, president or any executive vice president. Stockholders may not call special stockholder meetings.
Stockholder Action by Written Consent
Keysight’s Amended and Restated Certificate of Incorporation expressly eliminates the right of stockholders to act by written consent. Stockholder action must take place at the annual or a special meeting of Keysight stockholders.
Requirements for Advance Notification of Stockholder Nominations and Proposals
Keysight’s Amended and Restated Certificate of Incorporation mandates that advance notice of stockholder nominations for the election of directors will be given in accordance with the bylaws. The Amended and Restated Bylaws establish advance notice procedures with respect to stockholder proposals and nomination of candidates for election as directors as well as minimum qualification requirements for stockholders making the proposals or nominations. Additionally, the Amended and Restated Bylaws require that candidates for election as director disclose their qualifications and make certain representations.
No Cumulative Voting
The DGCL provides that stockholders are denied the right to cumulate votes in the election of directors unless the company’s certificate of incorporation provides otherwise. Keysight’s Amended and Restated Certificate of Incorporation does not provide for cumulative voting.
3

Undesignated preferred stock
The authority that Keysight’s board of directors possesses to issue preferred stock could potentially be used to discourage attempts by third parties to obtain control of Keysight through a merger, tender offer, proxy contest or otherwise by making such attempts more difficult or costly. Keysight’s board of directors may be able to issue preferred stock with voting rights or conversion rights that, if exercised, could adversely affect the voting power of the holders of common stock.
4

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