Document:

EX-10.1

 Exhibit 10.1 
 

 
 FOURTH AMENDMENT TO LOAN AGREEMENT 

THIS FOURTH AMENDMENT TO LOAN AGREEMENT (the “Fourth Amendment”) dated as of the 30th day of June, 2021, to the Loan Agreement (the
“Loan Agreement”), made and entered into as of June 30, 2013, by and among FIRST FINANCIAL BANKSHARES, INC., a Texas corporation (the “Borrower”) and FROST BANK, a Texas state bank (the “Lender”). All
capitalized terms not otherwise defined herein shall have the meaning ascribed to each of them in the Loan Agreement. 
 W I T N E S S E T
H: 
 WHEREAS, Borrower executed the Loan Agreement to govern that certain promissory note from Lender in the original principal amount
of $25,000,000.00 (the “Note”); 
 WHEREAS, Borrower and Lender executed a First Amendment to Loan Agreement dated as of
June 30, 2015, which among other things renewed and modified the Note; 
 WHEREAS, Borrower and Lender executed a Second Amendment to
Loan Agreement dated as of June 30, 2017, which among other things renewed and modified the Note; 
 WHEREAS, Borrower and Lender
executed a Third Amendment to Loan Agreement dated as of June 30, 2019, which among other things renewed and modified the Note; 

WHEREAS, the Borrower desires to amend the Loan Agreement and renew and extend the Note; and 

WHEREAS, the Lender agrees to amend the Loan Agreement and renew and extend the Note, on terms and conditions as hereinafter provided. 

NOW, THEREFORE, in consideration of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, Borrower and Lender do hereby agree as follows: 
 ARTICLE I 

Amendment to Loan Agreement 

1.1     Amendment to Section 2.02 of the Loan Agreement. Borrower and Lender agree to, and do
hereby, amend the Loan Agreement by deleting Section 2.02 of the Loan Agreement in its entirety and substituting therefore the following paragraph: 

“2.02 The Note. The obligation of Borrower to pay the Loan shall be evidenced by a promissory note
(the “Note”) executed by Borrower and payable to the order of Lender, in the principal amount of $25,000,000.00 bearing interest at the variable rate set forth in the Note. The Borrower shall pay principal and interest in accordance with
the terms of the Note, with the maturity date being as set forth in the Note. From Closing Date and continuing at all times through June 30, 2023 (the “Revolving Credit Period”) 

 
the Loan evidenced by the Note shall be a revolving credit facility which will allow the Borrower to request such amounts as Borrower may elect from time to time (each such amount being herein
called an “Advance”) so long as the aggregate amount of Advances outstanding at any time under the Note does not exceed Twenty Five Million and No/100 Dollars ($25,000,000.00) provided however, the minimum Advance must be at least
$500,000.00. The Borrower shall have the right to borrow, repay, and borrow again during the Revolving Credit Period. The outstanding principal balance of the Note on July 1, 2023 shall convert to a term facility and shall be payable quarterly
in accordance with the terms of the Note, with all unpaid principal plus all accrued and unpaid interest being due and payable on June 30, 2028.” 

ARTICLE II 

Conditions of Effectiveness 

2.1    Effective Date. This Fourth Amendment shall become effective as of June 30, 2021, when, and only when,
each of the following conditions shall have been met, all in form, substance, and date satisfactory to Lender: 

(a)    Closing Documents. Borrower shall have executed and delivered to Lender (i) a Renewal
Promissory Note (the “Renewal Promissory Note”), payable to the order of Lender as set forth therein, duly executed on behalf of the Borrower, dated effective June 30, 2021 in the principal amount of $25,000,000.00, (ii) Arbitration
and Notice of Final Agreement, (iii) Certificate of Corporate Resolutions, and (iv) this Fourth Amendment. 

(b)    Additional Loan Documents. Borrower shall have executed and delivered to Lender such other
documents as shall have been requested by Lender to evidence the terms of this Fourth Amendment, all in form satisfactory to Lender and its counsel. 

(c)    Loan Origination Fee. Borrower shall have paid to Lender a loan origination fee in the amount
of Two Thousand Five Hundred and no/100 Dollars ($2,500.00) plus the Lender’s legal fees incurred in connection with this Fourth Amendment. 

ARTICLE III 

Representations and Warranties 

3.1    Representations and Warranties. In order to induce Lender to enter into this Fourth Amendment, Borrower
represents and warrants the following: 
 (a)    Borrower has the corporate power to execute and deliver
this Fourth Amendment, the Renewal Promissory Note, and other Loan Documents and to perform all of its obligations in connection herewith and therewith. 

  
 FOURTH AMENDMENT TO LOAN
AGREEMENT – Page 2 

 (b)    The execution and delivery by Borrower of this
Fourth Amendment, the Renewal Promissory Note, and other Loan Documents and the performance of its obligations in connection herewith and therewith: (i) have been duly authorized or will be duly ratified and affirmed by all requisite corporate
action; (ii) will not violate any provision of law, any order of any court or agency of government or the Articles of Incorporation or Bylaws of such entity; (iii) will not be in conflict with, result in a breach of or constitute (alone or
with due notice or lapse of time or both) a default under any indenture, agreement or other instrument; and (iv) will not require any registration with, consent or approval of or other action by any federal, state, provincial or other
governmental authority or regulatory body. 
 (c)    There is no action, suit or proceeding at law or in
equity or by or before any governmental instrumentality or other agency or regulatory authority now pending or, to the knowledge of Borrower, threatened against or affecting Borrower, or any properties or rights of Borrower, or involving this Fourth
Amendment or the transactions contemplated hereby which, if adversely determined, would materially impair the right of Borrower to carry on business substantially as now conducted or materially and adversely affect the financial condition of
Borrower, or materially and adversely affect the ability of Borrower to consummate the transactions contemplated by this Fourth Amendment. 

(d)    The representations and warranties of Borrower contained in the Loan Agreement, this Fourth
Amendment, the Renewal Promissory Note, and any other Loan Document evidencing or securing Borrower’s Obligations and indebtedness to Lender are correct and accurate on and as of the date hereof as though made on and as of the date hereof,
except to the extent that the facts upon which such representations are based have been changed by the transactions herein contemplated. 

ARTICLE IV 

Ratification of Obligations 

4.1    Ratification of Obligation. The Borrower does hereby acknowledge, ratify and confirm that it is obligated
and indebted to Lender as evidenced by the Loan Agreement (as amended by the Fourth Amendment), the Renewal Promissory Note, and all other Loan Documents. 

4.2    Ratification of Agreements. The Loan Agreement, this Fourth Amendment, the Renewal Promissory Note, and each
other Loan Document, as hereby amended, are acknowledged, ratified and confirmed in all respects as being valid, existing, and of full force and effect. Any reference to the Loan Agreement in any Loan Document shall be deemed to be a reference to
the Loan Agreement as amended by this Fourth Amendment. The execution, delivery and effectiveness of this Fourth Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of Lender under the Loan
Agreement, nor constitute a waiver of any provision of the Loan Agreement. 

  
 FOURTH AMENDMENT TO LOAN
AGREEMENT – Page 3 

 ARTICLE V 

Miscellaneous 

5.1    Survival of Agreements. All representations, warranties, covenants and agreements of Borrower, herein or in
any other Loan Document shall survive the execution and delivery of this Fourth Amendment and the other Loan Documents and the performance hereof and thereof, including without limitation the making or granting of the Loan and the delivery of the
Renewal Promissory Note and all other Loan Documents, and shall further survive until all of Borrower’s Obligations to Lender are paid in full. All statements and agreements contained in any certificate or instrument delivered by Borrower
hereunder or under the Loan Documents to Lender shall be deemed to constitute the representations and warranties by Borrower and/or agreements and covenants of Borrower under this Fourth Amendment and under the Loan Agreement. 

5.2    Loan Document. This Fourth Amendment, the Renewal Promissory Note, and each other Loan Document executed in
connection herewith are each a Loan Document and all provisions in the Loan Agreement, as amended, pertaining to Loan Documents apply hereto and thereto. 

5.3    Governing Law. This Fourth Amendment shall be governed by and construed in all respects in accordance with
the laws of the State of Texas and any applicable laws of the United States of America, including construction, validity and performance. 

5.4    Counterparts. This Fourth Amendment may be separately executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which when so executed shall be deemed to constitute one and the same Fourth Amendment. 

5.5    Release of Claims. Borrower, by its execution of this Fourth Amendment, hereby declares that it has no set-offs, counterclaims, defenses or other causes of action against Lender arising out of the Loan, the renewal, modification and extension of the Loan, any documents mentioned herein or otherwise; and, to the
extent any such setoffs, counterclaims, defenses or other causes of action which may exist, whether known or unknown, such items are hereby expressly waived and released by Borrower. 

5.6    ENTIRE AGREEMENT. THIS FOURTH AMENDMENT, TOGETHER WITH ANY LOAN DOCUMENTS EXECUTED IN CONNECTION HEREWITH,
CONTAINS THE ENTIRE AGREEMENT BETWEEN THE PARTIES HERETO RELATING TO THE SUBJECT MATTER HEREOF AND THEREOF AND ALL PRIOR AGREEMENTS RELATIVE THERETO WHICH ARE NOT CONTAINED HEREIN OR THEREIN ARE TERMINATED. THERE ARE NO UNWRITTEN ORAL AGREEMENTS
BETWEEN THE PARTIES. THIS FOURTH AMENDMENT, AND THE LOAN DOCUMENTS MAY BE AMENDED, REVISED, WAIVED, DISCHARGED, RELEASED OR TERMINATED ONLY BY A WRITTEN INSTRUMENT OR INSTRUMENTS, EXECUTED BY THE PARTY AGAINST WHICH ENFORCEMENT OF THE AMENDMENT,
REVISION, WAIVER, DISCHARGE, RELEASE OR TERMINATION IS ASSERTED. ANY ALLEGED AMENDMENT, REVISION, WAIVER, DISCHARGE, RELEASE OR TERMINATION WHICH IS NOT SO DOCUMENTED SHALL NOT BE EFFECTIVE AS TO ANY PARTY. 

[Remainder of Page Intentionally Left Blank] 

  
 FOURTH AMENDMENT TO LOAN
AGREEMENT – Page 4 

 IN WITNESS WHEREOF, this Fourth Amendment is executed effective as of the date first written
above. 
  

							
	BORROWER:	 		 	FIRST FINANCIAL BANKSHARES, INC.
				
		 		 	By:	 	 /s/ F. Scott Dueser

		 		 		 	F. Scott Dueser, President and CEO
			
	LENDER:	 		 	FROST BANK
				
		 		 	By:	 	 /s/ Jackson Julson

		 		 		 	Jackson Julson, Senior Vice President

  
 FOURTH AMENDMENT TO LOAN
AGREEMENT – Page 5Exhibit 4.3

 

[FORM OF WARRANT CERTIFICATE]

 

[FACE]

 

Number

 

Warrants

 

THIS WARRANT SHALL BE VOID IF NOT EXERCISED
PRIOR TO

 

THE EXPIRATION OF THE EXERCISE PERIOD PROVIDED
FOR

 

IN THE WARRANT AGREEMENT DESCRIBED BELOW

 

APEX TECHNOLOGY ACQUISITION CORPORATION II

 

Incorporated Under the Laws of the State of
Delaware

 

CUSIP 03769E 112

 

Warrant Certificate

 

THIS WARRANT CERTIFICATE CERTIFIES THAT [____],
or registered assigns, is the registered holder of [____] warrant(s) evidenced hereby (the “Warrants” and each, a “Warrant”)
to purchase shares of Class A common stock, $0.0001 per value per share (“Common Stock”), of Apex Technology Acquisition
Corporation II, a Delaware corporation (the “Company”). Each whole Warrant entitles the holder, upon exercise during
the period set forth in the Warrant Agreement referred to below, to receive from the Company that number of fully paid and non-assessable
shares of Common Stock as set forth below, at the exercise price (the “Exercise Price”) as determined pursuant to the
Warrant Agreement, payable in lawful money (or through “cashless exercise” as provided for in the Warrant Agreement) of the
United States of America upon surrender of this Warrant Certificate and payment of the Exercise Price at the office or agency of the Warrant
Agent referred to below, subject to the conditions set forth herein and in the Warrant Agreement. Defined terms used in this Warrant Certificate
but not defined herein shall have the meanings given to them in the Warrant Agreement.

 

Each whole Warrant is initially exercisable for
one fully paid and non-assessable share of Common Stock. The number of shares of Common Stock issuable upon exercise of the Warrants is
subject to adjustment upon the occurrence of certain events set forth in the Warrant Agreement.

 

The initial Exercise Price per share of Common
Stock for any Warrant is equal to $11.50 per share. The Exercise Price is subject to adjustment upon the occurrence of certain events
set forth in the Warrant Agreement.

 

Subject to the conditions set forth in the Warrant
Agreement, the Warrants may be exercised only during the Exercise Period and to the extent not exercised by the end of such Exercise Period,
such Warrants shall become void.

 

Reference is hereby made to the further provisions
of this Warrant Certificate set forth on the reverse hereof and such further provisions shall for all purposes have the same effect as
though fully set forth at this place.

 

This Warrant Certificate shall not be valid unless
countersigned by the Warrant Agent, as such term is used in the Warrant Agreement.

 

This Warrant Certificate shall be governed by
and construed in accordance with the internal laws of the State of New York, without regard to conflicts of laws principles thereof.

 

	APEX TECHNOLOGY ACQUISITION CORPORATION II
	 	 	 
	By:	 	 
	Name:	Brad Koenig	 
	Title:	Co-Chief Executive Officer	 
	 	 
	CONTINENTAL STOCK TRANSFER & TRUST COMPANY,
	as Warrant Agent	 
	 	 	 
	By:	 	 
	Name:	 	 
	Title:	 	 

 

     

     

    

 

[Form of Warrant Certificate]

 

[Reverse]

 

The Warrants evidenced by this Warrant Certificate
are part of a duly authorized issue of Warrants entitling the holder on exercise to receive [___] shares of Common Stock and are issued
or to be issued pursuant to a Warrant Agreement dated as of [____], 2021 (the “Warrant Agreement”), duly executed and
delivered by the Company to Continental Stock Transfer & Trust Company, a New York limited purpose trust company, as warrant agent
(the “Warrant Agent”), which Warrant Agreement is hereby incorporated by reference in and made a part of this instrument
and is hereby referred to for a description of the rights, limitation of rights, obligations, duties and immunities thereunder of the
Warrant Agent, the Company and the holders (the words “holders” or “holder” meaning the Registered Holders or Registered
Holder) of the Warrants. A copy of the Warrant Agreement may be obtained by the holder hereof upon written request to the Company. Defined
terms used in this Warrant Certificate but not defined herein shall have the meanings given to them in the Warrant Agreement.

 

Warrants may be exercised at any time during the
Exercise Period set forth in the Warrant Agreement. The holder of Warrants evidenced by this Warrant Certificate may exercise them by
surrendering this Warrant Certificate, with the form of election to purchase set forth hereon properly completed and executed, together
with payment of the Exercise Price as specified in the Warrant Agreement (or through “cashless exercise” as provided for in
the Warrant Agreement) at the principal corporate trust office of the Warrant Agent. In the event that upon any exercise of Warrants evidenced
hereby the number of Warrants exercised shall be less than the total number of Warrants evidenced hereby, there shall be issued to the
holder hereof or his, her or its assignee, a new Warrant Certificate evidencing the number of Warrants not exercised.

 

Notwithstanding anything else in this Warrant
Certificate or the Warrant Agreement, no Warrant may be exercised unless at the time of exercise (i) a registration statement covering
the shares of Common Stock to be issued upon exercise is effective under the Securities Act and (ii) a prospectus thereunder relating
to the shares of Common Stock is current, except through “cashless exercise” as provided for in the Warrant Agreement.

 

The Warrant Agreement provides that upon the occurrence
of certain events the number of shares of Common Stock issuable upon exercise of the Warrants set forth on the face hereof may, subject
to certain conditions, be adjusted. If, upon exercise of a Warrant, the holder thereof would be entitled to receive a fractional interest
in a share of Common Stock, the Company shall, upon exercise, round down to the nearest whole number of shares of Common Stock to be issued
to the holder of the Warrant.

 

Warrant Certificates, when surrendered at the
principal corporate trust office of the Warrant Agent by the Registered Holder thereof in person or by legal representative or attorney
duly authorized in writing, may be exchanged, in the manner and subject to the limitations provided in the Warrant Agreement, but without
payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor evidencing in the aggregate a like
number of Warrants.

 

Upon due presentation for registration of transfer
of this Warrant Certificate at the office of the Warrant Agent a new Warrant Certificate or Warrant Certificates of like tenor and evidencing
in the aggregate a like number of Warrants shall be issued to the transferee(s) in exchange for this Warrant Certificate, subject to the
limitations provided in the Warrant Agreement, without charge except for any tax or other governmental charge imposed in connection therewith.

 

The Company and the Warrant Agent may deem and
treat the Registered Holder(s) hereof as the absolute owner(s) of this Warrant Certificate (notwithstanding any notation of ownership
or other writing hereon made by anyone), for the purpose of any exercise hereof, of any distribution to the holder(s) hereof, and for
all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. Neither the Warrants
nor this Warrant Certificate entitles any holder hereof to any rights of a stockholder of the Company.

 

Election to Purchase

 

    2

     

    

 

(To Be Executed Upon Exercise of Warrant)

 

The undersigned hereby irrevocably elects to exercise
the right, represented by this Warrant Certificate, to receive [____] shares of Common Stock and herewith tenders payment for such shares
of Common Stock to the order of Apex Technology Acquisition Corporation II (the “Company”) in the amount of $[____]
in accordance with the terms hereof. The undersigned requests that a certificate for such shares of Common Stock be registered in the
name of [___], whose address is [_____], and that such shares of Common Stock be delivered to [____] whose address is [___]. If said number
of shares of Common Stock is less than all of the shares of Common Stock purchasable hereunder, the undersigned requests that a new Warrant
Certificate representing the remaining balance of such shares of Common Stock be registered in the name of [_________], whose address
is [_______________________], and that such Warrant Certificate be delivered to [_________], whose address is [_______________________].

 

In the event that the Warrant has been called
for redemption by the Company pursuant to Article VI of the Warrant Agreement and the Company has required cashless exercise pursuant
to Section 6.03 of the Warrant Agreement, the number of shares of Common Stock that this Warrant is exercisable for shall be determined
in accordance with Section 3.03(a)(ii) and Section 6.03 of the Warrant Agreement.

 

In the event that the Warrant is a Private Placement
Warrant or a Working Capital Warrant that is to be exercised on a “cashless” basis pursuant to Section 3.03(a)(iii)
of the Warrant Agreement, the number of shares of Common Stock that this Warrant is exercisable for shall be determined in accordance
with Section 3.03(a)(iii) of the Warrant Agreement.

 

In the event that the Warrant is to be exercised
on a “cashless” basis pursuant to Section 7.04 of the Warrant Agreement, the number of shares of Common Stock that
this Warrant is exercisable for shall be determined in accordance with Section 7.04 of the Warrant Agreement.

 

In the event that the Warrant may be exercised,
to the extent allowed by the Warrant Agreement, through cashless exercise (i) the number of shares of Common Stock that this Warrant is
exercisable for would be determined in accordance with the relevant section of the Warrant Agreement which allows for such cashless exercise
and (ii) the holder hereof shall complete the following: The undersigned hereby irrevocably elects to exercise the right, represented
by this Warrant Certificate, through the cashless exercise provisions of the Warrant Agreement, to receive shares of Common Stock. If
said number of shares is less than all of the shares of Common Stock purchasable hereunder (after giving effect to the cashless exercise),
the undersigned requests that a new Warrant Certificate representing the remaining balance of such shares of Common Stock be registered
in the name of [____], whose address is [___], and that such Warrant Certificate be delivered to [_____], whose address is [_______].

 

[Signature Page Follows]

 

Date: [___], 2021

 

	 	(Signature)
	 	 
	 	(Address)
	 	 
	 	(Tax Identification Number)

 

Signature Guaranteed:

 

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM,
PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE)).

 

 

3

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