Document:

Exhibit 10.3

 

QS ENERGY WEBSITE UPDATES

 

SOURCE: Recent Updates page located at https://www.qsenergy.com/updates

 

LATEST UPDATES AND
INFORMATION

 

Cautionary Statement:
Some of the statements on this web page may constitute forward-looking statements under federal securities laws. Please visit the
following link for our complete cautionary forward-looking statement: https://www.qsenergy.com/site-info/disclaimer. You should
read all updates and press releases in the context of our SEC filings, including our Form 10-K filing of March 30, 2020, which
can be accessed on our website and at https://ir.qsenergy.com/annual-reports. All updates on this web page are intended as general
summaries, current as-of the referenced date. COVID-19 has both directly and indirectly impacted our supply chain and our ability
to obtain working capital. It remains unclear what continued impact COVID-19 may have on our ability to test at the demonstration
project site. The Company will need to raise additional capital to fund continued operations and testing at the demonstration site.
We can provide no assurances that such funding will be available to us, or that any such funding would be at acceptable terms.
For full context, we urge you to read all referenced updates and press releases. Nothing contained herein constitutes an offer
to sell, nor a solicitation to buy, our securities.

 

June 18, 2020:
AOT Demonstration Project Brief Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

Modified AOT Installation
of the modified AOT grid pack and blind flange assembly has commenced. As noted in yesterday’s update, the equipment arrived
at the demonstration site on Tuesday, June 16th. Our pipeline partner installed the grid pack and blind flange assembly this afternoon,
June 18th, overseen by Christopher Gallagher and Shannon Rasmussen of QS Energy. During the assembly and pre-installation procedure,
our engineers conducted a series of high voltage impedance tests to verify both electrical continuity and the impedance of the
assembled grid pack and blind flange. These tests showed that the system continues to test at high levels of impedance indicating
the new insulating materials are performing as expected, consistent with earlier tests on the newly modified design described in
the June 17, 2020 update.

 

Early next week, our
pipeline partner is scheduled to complete the electrical hookup and install additional SCADA (system control and data acquisition)
equipment at the site. Based on our most recent schedule, we plan to complete installation, start-up testing and commissioning
next week (see the June 17, 2020 update for a description the startup and commissioning test cycle). Assuming successful commissioning,
demonstration AOT test operations should begin by the end of next week, or shortly thereafter.

 

We look forward to
providing you with status updates in near future.

 

June 17, 2020:
AOT Demonstration Project Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

After successfully
working through a series of supply chain disruptions caused by COVID-19, our vendors and our engineering team worked overtime to
complete repairs and modifications to our AOT demonstration unit with minimal impact on our schedule. Modifications to the AOT
grid pack and blind flange assembly were completed over the weekend. The equipment was carefully packed and shipped from Houston
on Monday and arrived at the demonstration site yesterday, Tuesday June 16th. Our engineers will be on site this week to oversee
final preparation and installation of the equipment which, barring weather or other unforeseen delays, should be completed by the
end of the week.

 

 

 

 

    	 	1	 

     

    

 

Prior to shipping the
equipment, our engineers conducted high voltage impedance testing on the grid pack, the blind flange, and the assembly to verify
that the modified design and new insulating materials are performing as expected. All tests yielded good results with higher insulation
values recorded than those measured in previous tests. We believe this is the result of the reliability engineering changes that
were implemented during the rebuild process.

 

Tests performed prior
to shipment were performed under dry (open-air) conditions and at ambient pressure. Additional tests will be performed under dry
(no crude oil), flooded (filled with crude oil), closed-in (not under pressure), and open (operating pressure) conditions during
installation and commissioning to further assess design modifications prior to testing under commercial operating conditions. Assuming
the system passes all tests performed during the start-up and commissioning process, demonstration test operations may begin as
early as next week.

 

Our engineers have
made several modifications to the design based on engineering efforts to improve quality control, electrical insulation, and overall
system performance and reliability. Many of these modifications were designed to mitigate the electrical short experienced in prior
tests as described in previous updates. Based on best information and analysis to date, we believe the modifications to the grid
pack and blind flange assembly should improve the insulative properties and may resolve the short circuit issue. However, no assurances
can be made that these design changes will resolve the electrical short issue, that the demonstration project will perform as expected,
or that additional design modifications will not be required.

 

As noted in this and
previous updates, COVID-19 has both directly and indirectly impacted our supply chain and our ability to obtain working capital.
It remains unclear what continued impact COVID-19 may have on our ability to test at the demonstration project site. Based on our
limited current capital resources, the Company will need to raise additional capital to fund continued operations and testing at
the demonstration site. We can provide no assurances that such funding will be available to us, or that any such funding would
be at acceptable terms.

 

With these cautions
in mind, we are excited to be back out in the field. Our engineers have done amazing work under unique and challenging conditions
to modify and prepare our equipment for this critical test cycle. We will continue to keep you posted on our progress with updates
on this website.

 

May 22, 2020:
Shareholder Update: Don Dickson, Interim CEO

Please read this and
all website updates in context with the Cautionary Statement above.

 

AOT Demonstration Project
InstallationDear Shareholders,

 

Since taking on the
role of interim CEO on April 15th I have had the chance to roll up my sleeves and work with our exceptionally talented and dedicated
management and engineering team. They are focused on taking decisive actions to transform the business, continuing to innovate
and improve our product in new and diverse ways, and unlocking future growth opportunities. Our supply chain is working efficiently
and after adjustments largely due to COVID-19 restrictions is on target to deliver upgraded AOT equipment to the demonstration
site in early June.

 

Over the past few weeks,
I have developed a much deeper understanding of our AOT technology, the many challenges our engineers have faced over its development
cycle, and design changes that are being implemented in our latest configuration. You likely know from reading prior reports that
our technology has had multiple issues with what appear to be short circuits developing when treating the crude oil transported
through the pipeline at the demonstration site. In our most recent test, a short circuit developed when operated at pressure under
typical commercial operating conditions. Our engineers traced the most likely cause of this short to the blind flange at the top
of the AOT unit and are now in the final stage of implementing changes to this component designed to mitigate the effects of pipeline
operating pressure. We have also taken this opportunity to implement relatively minor changes to the internal grid pack designed
to improve system reliability and quality control.

 

 

 

 

    	 	2	 

     

    

 

COVID-19 and other
unforeseen circumstances could affect our schedule, but with only one week remaining in the month of May, I am confident in our
timeline to restart testing in June and believe we are taking the right steps to move our business and testing forward.

 

I wish you all a fun,
safe and healthy Memorial Day weekend, and look forward to updating you in June with activity at the demonstration site. As always,
I recommend you read this Shareholder Update in context with previous updates on this website (qsenergy.com/updates) and SEC filings
including our Form 10-K filed on March 31, 2020.

 

Best Regards,

Don Dickson

CEO, QS Energy

 

April 22, 2020:
Demonstration project and COVID-19 update

Please read this and
all website updates in context with the Cautionary Statement above.

 

Greetings from QS Energy.
We hope you all have been able to stay home, stay safe and stay healthy.

 

Our demonstration project
continues to move forward but testing at the site has been delayed largely due to effects of COVID-19 restrictions. Although our
operations have not been directly impacted, one of our critical-path suppliers who is working on modifications to AOT demonstration
project equipment experienced a slowdown as they reconfigured operations to accommodate remote engineering. Now that their operations
have stabilized, they have finalized engineering work required to implement our team’s design modifications to the blind
flange and electrical interconnect assembly as described in our March 20, 2020 website update and have provided us with a final
production schedule. Based on this new schedule we are now targeting delivery of components in early June and hope to restart testing
at the demonstration site before the end of June. This delay, brought on in part by COVID-19, is disappointing but we are excited
to get back into the field and look forward to restarting AOT test operations.

 

COVID-19 continues
to have sweeping impacts on the oil and gas markets. With supplies up and international tensions driving prices to all-time lows,
the futures spot market experienced negative pricing for West Texas Intermediate crude (WTI; a shale deposit light crude) yesterday
the first time in its history, leading to widespread speculation of financial turmoil in the oil and gas sector. With prices down
and demand for storage exceeding capacity, light crude wells are being shut-in throughout the oil patch.

 

Heavy crudes, which
represent QS Energy’s target market, are also experiencing historically low prices. It is interesting to note, however, the
role transportation costs play in heavy crude pricing and profitability. As reported in a March 29, 2020 article by Robert Tuttle
posted on OilWorld.com titled “Some Canadian crude costs more to ship than buy,” Western Canadian Select crude (WCS)
has been trading at barrel prices “cheaper than a Starbucks venti-sized pumpkin spice latte.” At prices this low, the
cost of transportation becomes a principal factor in profitability. A primary driver in the cost of transportation is the fact
that heavy crude must be blended with condensate to reduce viscosity to the point the heavy crude can flow through a pipeline.
This goes to the core value of our AOT technology. Our goal is to decrease transportation costs and increase producer and operator
profit margins by reducing dependence on condensates/diluents and increasing effective pipeline capacity and flowrates.

 

As noted in our previous
update, it remains unclear what continued impact COVID-19 may have on our supply chain, or on our ability to test on-site at the
demonstration project, or on our ability to obtain additional working capital, the lack of which would adversely impact our ability
to continue our demonstration project testing activities. That said, we remain confident in our strategy and plans to complete
current modifications to the AOT demonstration unit and restart testing at the demonstration site. We will keep you posted on our
progress with updates on this website.

 

 

 

 

    	 	3	 

     

    

 

April 16, 2020:
SEC Form 8-K filed

Please read this and
all website updates in context with the Cautionary Statement above.

 

As reported in our
SEC Form 8-K filed today (4/16/2020), Jason Lane voluntarily resigned as CEO of the company for personal reasons, effective April
15, 2020. Also effective April 15, 2020, Gary Buchler has voluntarily resigned from the Company’s Board of Directors after
three years of service on the Board. Although Mr. Lane has stepped down from day-to-day management of the Company, he will continue
to serve as a Chairman of the Company’s Board of Directors.

 

Don Dickson, a member
of the Company’s Board of Directors, has been appointed interim CEO for a term of 90 days effective April 15, 2020. As a
long-time member of the Company’s Board and an oil industry executive with years of pipeline operating experience, Mr. Dickson
is highly qualified to guide QS Energy through this transition period. Mr. Dickson was appointed to the Company’s Board of
Directors in August 2013 and currently serves as a member of the Company’s Audit Committee. Previously, Mr. Dickson served
as Chief Executive Officer / President for Advanced Pipeline Services (APS). APS was established for the purpose of providing a
full range of services to the oil and gas industry. Core business areas were in new construction of pipeline and facilities, horizontal
directional drilling and pipeline integrity/rehabilitation. APS had operations and offices in both Texas, Eagleford and Permian
Basin Fields. Prior to APS, Mr. Dickson worked for Kinder Morgan in their natural gas operations, retiring after twenty-nine years.
During his time at Kinder Morgan he served in different engineering capacities including as Director on two major pipeline projects,
the 42” (REX) Rockies Mountain Express through the state of Illinois, and the 42” (MEP) Midcontinent Express Pipeline
through the state of Louisiana. He also was Director of Operations with Tetra Resources completing various onshore and offshore
oil and gas wells and a Senior Engineer with Halliburton Services. After APS Mr. Dickson rejoined Kinder Morgan working Project
Management on several major projects, NED in the Northeast part of the United States and Cortez Expansion CO2 line from southwest
Colorado to Texas. Mr. Dickson has since retired from Kinder Morgan a second time and is currently working as a consultant and
performing inspections in the oil and gas industry for different companies. Mr. Dickson earned his B.S. in Engineering from Oklahoma
State University.

 

We would like to thank
Mr. Buchler for his years of service with the Company and are excited to continue working with Mr. Dickson and Mr. Lane in their
new executive roles.

 

March 20, 2020:
Demonstration Project and COVID-19 Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

Progress continues
on our efforts to restart testing at the AOT Demonstration Project site. As reported on March 4, 2020, the AOT demonstration equipment
is currently nonoperational due to an electrical short which appears to develop when the AOT is powered up under normal pipeline
operating conditions. Our engineers believe the electrical short is most likely developing in the electrical connection assembly
built into the blind flange at the top of the pressure vessel, which is subject to pipeline pressure under commercial operations.

 

Over the past two weeks,
our engineers designed modifications to the blind flange, electrical connections and related housing intended to minimize the effects
of high pressure and likelihood of internal electrical short circuits. Concurrently, we shipped a blind flange with high voltage
assembly from inventory to a shop with specialized equipment used to strip the flange of all electrical insulation materials. Once
the stripping process is complete, castings will be made to complete the internal assembly. Our engineers believe this modification
may solve the electrical short issue we have experienced in prior tests.

 

 

 

 

    	 	4	 

     

    

 

While the blind flange
assembly is being remanufactured, we have taken the opportunity to implement a number of relatively minor modifications to system
configurations which had been planned for future units based on results of our engineering team’s reliability engineering
work over the past two years. These modifications are designed to improve the reliability of internal electrical connections, increase
the structural support of the internal grid pack, and maintain higher quality control over internal component positioning and alignment
during vertical installation.

 

QS Energy is working
to maintain normal operations during the current COVID-19 pandemic under social distancing and shelter-in-place guidelines as recommended
or required by the CDC, federal, state and county government agencies. Over the past few years, the Company moved much of its operations
to the cloud. Our employees can perform most vital functions remotely. As a result, most day-to-day operations have been minimally
impacted by COVID-19.

 

It is unclear, however,
what impact COVID-19 may have on our supply chain, or on our ability to operate on-site at the demonstration project. As of today,
no suppliers related to the demonstration project have announced reduced operating capacity or advised us of delays related to
COVID-19 restrictions, and we have not been made aware of any COVID-19 restrictions at the demonstration site that would impact
our ability to restart our demonstration testing.

 

COVID-19 has had a
significant negative financial impact across a wide spectrum of industries, both in terms of operations and our access to operating
capital. As noted in previous updates, the Company’s ability to continue operations is, in part, dependent on our access
to funding. A recent survey published by the National Association of Manufacturers reports that due to COVID-19, 35% of manufacturers
surveyed anticipate supply chain disruptions, 53% anticipate changes to operations, and 78% anticipate a negative financial impact.
With these facts in mind, no assurances can be made that COVID-19 will not affect our supply chain, lead to access or operating
restrictions at the demonstration site, or impact our ability to fund continued operations.

 

Despite the potential
for deep impacts of COVID-19, and subject to obtaining sufficient working capital, we intend to continue our strategy and plans
to complete current modifications to the AOT demonstration unit and restart testing at the demonstration site. We will continue
to post updates on the AOT demonstration project, and impacts, if any, due to COVID-19.

 

March 4, 2020:
AOT Demonstration Project Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

Over the past few weeks,
we have been working to resolve a continuing electrical issue with our AOT demonstration equipment. Although we have made progress
and believe this technical issue can be resolved, the system continues to be non-operational under normal pipeline operating conditions.

 

As reported in previous
updates, the AOT system has experienced shutdowns during the commissioning process. In December 2019, after installing a modified
grid pack and new high-capacity power supply, the system shut down presenting with an electrical short which was determined to
be due to damage to the system’s internal grid pack likely incurred during installation. After repairing and re-installing
the modified grid pack in January 2020, the system shut down again during commissioning presenting with error conditions similar
to the December 2019 failure. At that time, based on external inspections and on-site testing, our engineers suspected the grid
pack had again been damaged during re-installation and that such suspected damage was the most likely cause of the electrical short
circuit. As reported in our January 24, 2020 web page update, it was determined at that time the best course of action would be
to remove the modified grid pack and re-install the original grid pack which had previously been installed multiple times without
sustaining damage, and perform a detailed inspection of the modified grid pack in an effort to determine the cause of the electrical
short circuit.

 

 

 

 

    	 	5	 

     

    

 

Executing this plan,
our team removed the modified grid pack and re-installed the original grid pack assembly in the AOT. After removal, our engineers
performed a detailed inspection of the modified grid pack. Inconsistent with our expectations, no damage to the modified grid pack
was found during this inspection, leaving the cause of the most recent electrical short circuit undiagnosed.

 

Over the past few weeks,
we have tested and attempted to operate the AOT under a variety of conditions. We have been able to bring the system up to high
voltage under static “shut-in” conditions; however, the system continues to shut down due to an electrical short circuit
when operated under pressure. In simple terms, this means we can flood the system with crude oil, shut-in the system by closing
the intake and outtake valves isolating the system from the pipeline’s operating pressure, and power up the system in excess
of 10,000 volts. Once the valves are opened and the system is subjected to the pipeline’s operating pressure, the system
develops an electrical short circuit and shuts down.

 

As the presence of
high pressure appears to trigger the short circuit, it is unlikely the fault is in the grid pack assembly as this component is
fully submerged in crude oil and is generally subjected to equal pressure on all components. The electrical short is more likely
developing in the electrical connection assembly built into the flange at the top of the pressure vessel, which is subjected to
high pressure under normal operating conditions. Unfortunately, this electrical connection assembly cannot be inspected without
destroying the assembly itself. Instead, our engineers have developed a plan to replace the installed electrical connection assembly
with an assembly from inventory which we plan to rebuild prior to installation.

 

As part of an ongoing
reliability-engineering effort, our engineers had been working on incremental modifications to improve electrical isolation within
the electrical connection assembly. These previously developed plans have allowed us to move quickly with vendors and present an
expedited plan to the pipeline operator. We are in the process of finalizing the timelines and budget for this plan based on vendor
backlog for each of the tasks. Based on current estimates, this process may take approximately six weeks. This schedule may vary
depending on vendor backlogs and other factors which may be out of our control.

 

Our engineers have
presented our plan to rebuild and the electrical connection assembly to pipeline management. Pipeline management has expressed
frustration and concern over the continued delays and current status of the demonstration project. Last week, our CEO, Jason Lane,
met with pipeline management to express our total commitment to this project and discuss plans, schedules and next steps. We heard
back from pipeline management this week requesting confirmation of timelines and budget to ensure all parties are clear on plans
to move forward.

 

The Company’s
ability to continue operations at the demonstration site is dependent upon continued support of pipeline management and our ability
to fund continued operations. We can provide no assurances pipeline management will continue to support ongoing work at the demonstration
site, or that our plan to rebuild and test the electrical connection assembly will be successful. Because of our inability to fully
diagnose the cause of our current electrical problems, we can provide no assurances that we will not face other operational issues
after completing a full diagnosis and evaluation of our technology. As disclosed in our SEC filings, we have not yet been able
to generate revenue from operations, and Company expenses to date have been funded through the sale of shares of common stock and
convertible debt, as well as proceeds from the exercise of stock purchase warrants and options. We will need to raise substantial
additional capital through 2020, and beyond, to fund continued work at the demonstration site along with Company operating and
capital expenses. We can provide no assurances that additional capital will be available to us, or if it is, that such additional
capital will be offered at acceptable terms.

 

 

 

 

    	 	6	 

     

    

 

January 24, 2020:
AOT Demonstration Project Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

We have had a setback
in the recent testing of our AOT demonstration project. As you may recall, re-installation of our modified AOT grid pack (see our
December 9, 2019 press release regarding AOT grid pack modifications) was completed the second week of January as reported in our
January 9, 2020 web page update below. Due to severe weather forecast at the demonstration site, commissioning was postponed until
the following week. On January 16th, during our final commissioning sequence, the equipment presented with an error condition indicating
what appears to be an electrical short circuit. After a system review and analysis of data collected during the installation and
commissioning process, our engineers have determined the most likely cause of the electrical short circuit is a mechanical failure
in the modified AOT grid pack which may have been damaged during the installation and commissioning process. It should be noted
that despite the apparent electrical short circuit, tests performed during commissioning indicate the new high-capacity power supply
is operating as designed.

 

Our engineers have
prepared a plan to remove, test and visually inspect all components of the modified AOT grid pack. Subject to weather and resource
availability (i.e. manpower, crane, etc.), we will use best efforts to remove, test and inspect of the modified AOT grid pack next
week. In parallel, we plan to inspect and test the original AOT grid pack (shown in the attached image) which is currently being
stored at the demonstration site and should be available for operation subject to inspection and test results.

 

We believe the best
course of action may be to run our next full system test utilizing the original AOT grid pack as this grid pack has been successfully
installed without incurring damage and has operated at normal pipeline flow rates under limited test conditions as described in
our September 13, 2019 press release. Data collected in these limited tests indicate the original AOT grid pack powered by the
new high-capacity power supply could provide significant flow rate improvement.

 

We will re-assess our
demonstration project test plan after completion of the inspection, investigation, and testing procedures described above, but,
as you know, we can provide no assurances about the outcome of our investigative and re-assessment efforts. We will continue, as
always, to provide progress, plan and schedule updates on this web page.

 

January 9, 2020:
AOT Demonstration Project Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

Reconfiguration and
repairs to the AOT grid pack are complete, our engineering team is onsite, weather at the demonstration site is clear and re-installation
of the reconfigured/repaired AOT grid pack has begun. Re-installation should be completed this afternoon. Due to extreme weather
forecast across the Southern United States over the next few days, final commissioning of the AOT equipment will likely be completed
next week. Subject to successful commissioning, AOT demonstration test operations will begin shortly thereafter.

 

January 3, 2020:
AOT Demonstration Project Update

Please read this and
all website updates in context with the Cautionary Statement above.

 

This is a short update
on work currently being performed on the AOT demonstration equipment. For full context, please see the December 31, 2019 and December
6, 2019 updates below.

 

As reported earlier
this week, the internal grid pack of the AOT demonstration unit was recently shipped to a local shop for minor reconfiguration
changes and repairs. All parts and supplies were delivered to the shop yesterday (1/2/2020). Work was completed this afternoon
(1/3/2020) supervised by our engineering team. Quality assurance and system component testing was initiated this afternoon and
should be completed early next week. Assuming successful component testing, the AOT grid pack should be ready for re-installation
by the middle of next week.

 

Our engineers will be onsite next week to oversee transportation
and re-installation of the AOT grid pack. Subject to weather constraints (work cannot be performed under certain conditions including
lightning, high wind or rain), the AOT grid pack is scheduled to be re-installed on Thursday of next week (1/9/2020) with onsite
testing to begin shortly thereafter. 

 

 

 

 

 

 

    	 	7EXHIBIT
10.4

 

EXECUTION
VERSION

 

FIRST
AMENDMENT TO LOAN AGREEMENT

 

This
First Amendment to Loan Agreement (this “First Amendment”) is entered into as of the 28TH day of
February, 2020, by and among MEXCO ENERGY CORPORATION, a Colorado corporation (“Mexco”), FORMAN ENERGY
CORPORATION, a New York corporation (“Forman”), SOUTHWEST TEXAS DISPOSAL CORPORATION, a Texas corporation
(“Southwest”), and TBO OIL & GAS, LLC, a Texas limited liability company (“TBO”,
and together with Mexco, Forman and Southwest, collectively, the “Borrowers” or individually a “Borrower”),
and WEST TEXAS NATIONAL BANK, a national bank, as lender (the “Lender”).

 

Recitals:

 

A.
The Borrowers and the Lender entered into that certain Loan Agreement dated as of December 28, 2018 (the “Loan Agreement”).

 

B.
Pursuant to the terms of the Loan Agreement, (i) the Lender provided the Borrowers a revolving line of credit loan with a Commitment
(as defined in the Loan Agreement) in the initial amount of $1,000,000.00 (the “RLOC Loan”), and (ii) the Borrowers
executed that certain Revolving Line of Credit Promissory Note dated as of December 28, 2018 in the face amount of $1,000,000.00,
payable to the order of the Lender (the “Prior Note”).

 

C.
The Borrowers and the Lender desire to amend the Loan Agreement to, among other matters, (i) increase the amount of the Commitment,
and (ii) extend the maturity date of the RLOC Loan.

 

D.
Contemporaneously with the execution of this First Amendment, the Borrowers have executed and delivered to the Lender that certain
Revolving Line of Credit Promissory Note dated of even date herewith in the face amount of $2,500,000.00, payable to the order
of the Lender (the “Note”), which Note is given in amendment, restatement, renewal, extension and modification,
but not extinguishment or novation, of the Prior Note.

 

NOW,
THEREFORE, in consideration of the premises and the mutual covenants herein contained and other good and valuable consideration,
it is hereby agreed among the Lender and the Borrowers as follows:

 

Agreement:

 

1.
Capitalized terms used but not defined herein shall have the respective meanings ascribed thereto in the Loan Agreement.

 

2.
Recitation (A) of the Loan Agreement is hereby amended in its entirety to read as follows:

 

    	 

     

    

 

“The
Borrowers have requested that the Lender make available to the Borrowers a revolving line of credit loan facility in the original
principal amount of $2,500,000.00; and”.

 

3.
The definition of the defined term “Commitment” set forth in Section 1.1 of the Loan Agreement is hereby amended in
its entirety to read as follows:

 

“
‘Commitment’ means the Lender’s obligation to make Advances hereunder on the Loan in amounts not exceeding,
in the aggregate, $2,500,000.00.”

 

4.
The definition of the defined term “Note” set forth in Section 1.1 of the Loan Agreement is hereby amended in its
entirety to read as follows:

 

“
‘Note’ means that certain revolving line of credit promissory note in the face amount of $2,500,000.00, dated
as of February 28, 2020, made by the Borrowers payable to the order of the Lender, in substantially the form attached hereto as
Exhibit I, together with all deferrals, renewals or extensions thereof, which promissory note shall evidence the Advances
made to the Borrowers by the Lender pursuant to Section 2.1.”

 

5.
Section 2.3 of the Loan Agreement is hereby amended in its entirety to read as follows:

 

“2.3
Repayment Provisions. Interest, computed on the unpaid principal balance of the Note, shall be due and payable in monthly
installments, with the first of such installments to be paid on March 28, 2020, and subsequent installments to be
paid on the twenty-eighth day of each month thereafter. All of the outstanding principal and accrued, unpaid interest hereunder
shall be due and payable in full on March 28, 2023, being the date of final maturity hereunder. All payments of principal
and interest required under the Note shall be made in immediately available funds, and shall be made at Lender’s principal
banking offices in Midland, Texas, provided, however, the Lender may, upon thirty (30) day’s written notice to the Borrowers,
designate a different place of payment. If a payment under the Note is received by the Lender more than ten (10) days after it
is due, the Borrowers agree to pay a late charge to the Lender equal to five percent (5%) of the delinquent amount.”

 

6.
Pursuant to Section 2.7 of the Loan Agreement the amount of the Borrowing Base under the Loan Agreement is hereby increased from
$1,000,000.00 to $1,500,000.00 until redetermined by the Lender in accordance with Section 2.7 of the Loan Agreement.

 

7.
Exhibit I to the Loan Agreement is hereby replaced with Exhibit I attached hereto.

 

8.
The effectiveness of this First Amendment shall be subject to the following conditions precedent: (a) the Borrowers shall have
executed and delivered to the Lender this First Amendment, the Note, amendments to the Deed of Trust, and all other required documents,
all in form and substance satisfactory to the Lender, and (b) the Borrowers shall have paid to the Lender an origination fee in
the amount of $2,500.00 and an extension fee in the amount of $3,125.00.

 

    	 

     

    

 

9.
As an inducement to the Lender to enter into this First Amendment, the Borrowers represent and warrant to the Lender that (a)
the representations and warranties contained in the Loan Agreement and the other Loan Documents are true and correct as of the
date hereof, (b) none of the Borrowers has breached any of the covenants contained in the Loan Agreement or the other Loan Documents
(except as may have been waived in writing by the Lender), and (c) no default or Event of Default now exists, nor does there exist
any condition or event which, with notice and/or lapse of time, would constitute a default or Event of Default under the Loan
Agreement or any of the other Loan Documents.

 

10.
Neither the execution by the Lender of this First Amendment nor anything contained herein shall in any way be construed or operate
as a waiver by the Lender of any default or Event of Default (whether now existing or that may occur hereafter) or of any of the
Lender’s rights under the Loan Agreement as hereby amended or under any of the other Loan Documents.

 

11.
Except as provided herein, all terms and provisions of the Loan Agreement shall remain unchanged. The Borrowers hereby ratify,
affirm and reaffirm all of the terms and provisions of the Loan Agreement, as amended hereby, of the Note and of the other Loan
Documents to the extent each is a party thereto.

 

12.
This First Amendment may be executed in any number of identical separate counterparts (including by electronic or facsimile transmission),
each of which for all purposes is to be deemed an original but all of which shall constitute, collectively, one agreement.

 

13.
Each of the Loan Documents is hereby amended so that any reference in the Loan Documents to the Loan Agreement shall mean a reference
to the Loan Agreement as amended hereby and any reference in the Loan Documents to the Prior Note shall mean a reference to the
Note (as defined herein). This First Amendment, the Note, the amendments to the Deed of Trust, and all other documents executed
in connection with this First Amendment constitute Loan Documents under the Loan Agreement.

 

14.
THIS FIRST AMENDMENT AND THE OTHER LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED
BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN
THE PARTIES.

 

[REMAINDER
OF PAGE INTENTIONALLY LEFT BLANK. SIGNATURE PAGES FOLLOW.]

 

    	 

     

    

 

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

 

	 	BORROWERS:
	 	 	 
	 	MEXCO
    ENERGY CORPORATION
	 	 	 
	 	By:	/s/
    Nicholas C. Taylor 
	 	 	Nicholas
C. Taylor
	 	 	Chairman
    of the Board and
	 	 	Chief
Executive Officer
	 	 	 
	 	FORMAN
    ENERGY CORPORATION
	 	 	 
	 	By:	/s/
    Nicholas C. Taylor 
	 	 	Nicholas
    C. Taylor
	 	 	Chairman
of the Board and
	 	 	Chief
Executive Officer 
	 	 	 
	 	SOUTHWEST
    TEXAS DISPOSAL CORPORATION 
	 	 	 
	 	By:	/s/
    Nicholas C. Taylor 
	 	 	Nicholas
    C. Taylor
	 	 	Chairman
of the Board and
	 	 	Chief
Executive Officer
	 	 	 
	 	TBO
    OIL & GAS, LLC
	 	 	 
	 	By:	/s/
    Nicholas C. Taylor
	 	 	Nicholas
C. Taylor
	 	 	Chairman
of the Board and
	 	 	Chief
Executive Officer 
	 	 	 
	 	LENDER:

	 	 	 
	 	WEST
TEXAS NATIONAL BANK 
	 	 	 
	 	By:	/s/
    Beau Whatley 
	 	 	Beau
    Whatley
	 	 	Vice
    President

 

    	 

     

    

 

Exhibit
I

 

Form
of Note

 

REVOLVING
LINE OF CREDIT PROMISSORY NOTE

 

	$2,500,000.00	______________, 2020

 

1.
For value received, MEXCO ENERGY CORPORATION, a Colorado corporation (“Mexco”), FORMAN ENERGY
CORPORATION, a New York corporation (“Forman”), SOUTHWEST TEXAS DISPOSAL CORPORATION, a Texas corporation
(“Southwest”), and TBO OIL & GAS, LLC, a Texas limited liability company (“TBO”,
and together with Mexco, Forman and Southwest, collectively, the “Makers” or individually a “Maker”),
jointly and severally, promise to pay to the order of WEST TEXAS NATIONAL BANK, a national bank (the “Lender”),
at its offices at 6 Desta Dr., Suite 2400, Midland, Texas 79705, in lawful money of the United States of America, the principal
sum of TWO MILLION FIVE HUNDRED THOUSAND AND NO/100 DOLLARS ($2,500,000.00), or so much thereof as may be advanced and
outstanding at any time or from time to time pursuant to the Loan Agreement (as hereinafter defined), together with interest on
the principal amount from time to time outstanding hereunder, from the date of the disbursement of such principal until maturity,
at an annual rate of interest which shall from day to day be equal to the lesser of (a) the Wall Street Journal Prime Rate in
effect on such date (calculated on the basis of actual days elapsed, but computed as if each calendar year consisted of 360 days),
plus one half of one percent (0.50%), or (b) the Highest Lawful Rate; provided, however, all past due principal and interest on
this Note will bear interest from the maturity thereof until paid, at the Default Rate, as defined in the Loan Agreement.

 

2.
This Note is executed pursuant to the terms of that certain Loan Agreement, dated as of December 28, 2018, by and among the
Makers, as borrowers, and the Lender, as lender, as amended by that certain First Amendment to Loan Agreement, dated of even date
herewith, by and among the Makers, as borrowers, and the Lender, as lender, as the same may be further amended, restated, extended
or otherwise modified from time to time (the “Loan Agreement”). This Note incorporates by reference the terms
of the Loan Agreement. In the event of a conflict between the terms of this Note and the terms of the Loan Agreement, the terms
of the Loan Agreement will be deemed to be controlling. Capitalized terms not defined in this Note shall have the meaning given
to such terms in the Loan Agreement. This is a Revolving Line of Credit Promissory Note. Accordingly, it is contemplated that
there will be Advances and payments on this Note from time to time, but no Advances or payments (including total payment of the
unpaid principal balance outstanding prior to maturity) shall affect or impair the validity or enforceability of this Note as
to future Advances hereunder. Notwithstanding the face amount of this Note, in no event shall the outstanding principal amount
of all Advances made hereunder at any time exceed the lesser of (i) the Commitment or (ii) the Borrowing Base then in effect.
Reference is made to the Loan Agreement for further statements regarding the obligation of Lender to make Advances hereunder.

 

    	 

     

    

 

3.
Interest, computed on the unpaid principal balance of this Note, shall be due and payable in monthly installments, with the
first of such installments to be paid on March 28, 2020, and subsequent installments to be paid on the twenty-eighth day of each
month thereafter. All of the outstanding principal and accrued, unpaid interest hereunder shall be due and payable in full on
March 28, 2023, being the date of final maturity hereunder. All payments of principal and interest required under this Note shall
be made in immediately available funds, and shall be made at Lender’s principal banking offices in Midland, Texas, provided,
however, the Lender may, upon thirty (30) day’s written notice to the Makers, designate a different place of payment. If
a payment under this Note is received by the Lender more than ten (10) days after it is due, the Makers agree to pay a late charge
to the Lender equal to five percent (5%) of the delinquent amount.

 

4.
If an Event of Default should occur under the terms of the Loan Agreement, thereupon at the option of Lender, the principal
balance and accrued interest of this Note will become and be due and payable forthwith without presentment, demand, notice of
default, protest, notice of protest or dishonor, notice of nonpayment, notice of acceleration or the intent to accelerate, or
other notice of any kind, all of which are hereby expressly waived by each Maker and each other liable party. Lender may waive
any default without waiving any prior or subsequent default.

 

5.
To the extent not prohibited by applicable Law, Makers will pay all costs and expenses and reimburse Lender for any and all
expenditures of every character incurred or expended from time to time, regardless of whether a default or Event of Default will
have occurred, in connection with Lender exercising any of its rights and remedies under this or any other instrument now or hereafter
securing the indebtedness evidenced hereby or at Law, including, without limitation, all filing fees, taxes, brokerage fees and
commissions, title review and abstract fees, Uniform Commercial Code search fees, other fees and expenses incident to title searches,
reports and security interests, escrow fees, attorneys’ fees, legal expenses, and court costs, provided, however, that no
right or option granted by Makers or Lender or otherwise arising pursuant to any provision of this or any other instrument will
be deemed to impose or admit a duty on Lender to supervise, monitor or control any aspect of the character or condition of the
assets of Makers or any operations conducted in connection with it for the benefit of any Maker or any other person or entity
other than Lender.

 

6.
If this Note is not paid at maturity whether by acceleration or otherwise and is placed in the hands of an attorney for collection,
or suit is filed hereon, or proceedings are had in probate, bankruptcy, receivership, reorganization, arrangement or other legal
proceedings for collection hereof, Makers and each other liable party agree to pay Lender its collection costs, including a reasonable
amount for attorneys’ fees, but in no event to exceed the maximum amount permitted by Law. Each Maker and each other liable
party are and will be directly and primarily, jointly and severally, liable for the payment of all sums called for hereunder,
and each Maker and each other liable party hereby expressly waive bringing of suit and diligence in taking any action to collect
any sums owing hereon and in the handling of any security, and each Maker and each other liable party hereby consent to and agree
to remain liable hereon regardless of any renewals, extensions for any period or rearrangements hereof, or partial prepayments
hereon, or any release or substitution of security hereof, in whole or in part, with or without notice, from time to time, before
or after maturity.

 

    	 

     

    

 

7.
It is the intention of the parties hereto to comply strictly with the applicable usury Laws as in effect from time to time;
and in this connection, there shall never be taken, reserved, contracted for, collected, charged or received on this Note or any
other Obligations interest in excess of that which would accrue at the Highest Lawful Rate. For purposes of Chapter 303 of the
Texas Finance Code, as amended, the Makers agree that the Highest Lawful Rate shall be the “weekly rate ceiling” as
defined in such chapter, provided that the Lender may also rely, to the extent permitted by applicable Laws, on alternative maximum
rates of interest under such other applicable Laws, if greater.

 

If
under any circumstances the aggregate amount paid on the Obligations includes amounts that are by Law deemed to be interest which
exceed the Highest Lawful Rate (the “Excess Interest”), the Makers and the Lender stipulate that such payment
and collection will have been and will be deemed to have been, to the fullest extent permitted by applicable Laws, the result
of mathematical error on the part of the Makers and the Lender, and the Lender shall promptly credit the amount of such Excess
Interest on the principal amount of the outstanding Obligations, or if the principal amount of the Obligations shall have been
paid in full, refund the Excess Interest to the Makers. In the event that the maturity of this Note is accelerated by reason of
an election of the Lender resulting from any Event of Default, or in the event of any prepayment, then such consideration that
constitutes interest under Laws applicable to the Lender may never exceed the Highest Lawful Rate, and Excess Interest, if any,
provided for in this Note, the Loan Agreement or otherwise shall be canceled automatically by the Lender as of the date of such
acceleration or prepayment and, if theretofore paid, shall be credited by the Lender on the principal amount of the Obligations,
or if the principal amount of the Obligations shall have been paid in full, refunded by the Lender to the Makers.

 

All
sums paid, or agreed to be paid, to the Lender for the use, forbearance, and detention of the proceeds of the Loan shall, to the
extent permitted by applicable Law, be amortized, prorated, allocated, and spread throughout the full term of the Obligations
until paid in full so that the actual rate of interest is uniform, but does not exceed the Highest Lawful Rate, throughout the
full term hereof.

 

8.
Makers reserve the option of prepaying the principal of this Note, in whole or in part, at any time after the date hereof
without penalty. At the option of Lender, it may demand (at any time at or after prepayment) all accrued and unpaid interest with
respect to the principal amount prepaid through the date of prepayment. All amounts of principal so prepaid and received by the
owner and holder of this Note will be applied to the last maturing installments of this Note in their inverse order of maturity.

 

9.
This Note is secured by the Security Documents described in the Loan Agreement.

 

10.
Lender reserves the right, exercisable in Lender’s sole discretion and without notice to Makers or any other person,
to sell participations, to assign its interest or both, in all or any part of this Note or the debt evidenced by this Note.

 

11.
This Note shall be governed by and construed in accordance with the Laws of the United States of America and the State of
Texas, except to the extent the location or nature of the collateral securing this Note requires the application of the Laws of
other jurisdictions to be applied as to matters of creation, perfection and priority of liens and the rights of Lender upon default.

 

    	 

     

    

 

12.
This Note is given in amendment, restatement, renewal, extension and modification, but not extinguishment or novation, of
that certain Revolving Line of Credit Promissory Note dated as of December 28, 2018 in the face amount of $1,000,000.00, made
by Makers and payable to the order of Lender.

 

13.
By execution of this Note, each Maker acknowledges the receipt of the following notices from Lender:

 

“THE
LOAN AGREEMENT, THIS NOTE, AND ALL OTHER LOAN DOCUMENTS EXECUTED HEREWITH TOGETHER CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS
THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL
AGREEMENTS OF THE PARTIES.”

 

“THERE
ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.”

 

[Signature
Page Follows]

 

    	 

     

    

 

Effective
as of the date first above written.

 

	 	MAKERS:
	 	 	 
	 	MEXCO
ENERGY CORPORATION
	 	 	 
	 	By:	 
	 	 	Nicholas
C. Taylor
	 	 	Chairman
of the Board and 
	 	 	Chief
Executive Officer
	 	 	 
	 	FORMAN
ENERGY CORPORATION
	 	 	 
	 	By:	 
	 	 	Nicholas
    C. Taylor
	 	 	Chairman
of the Board and 
	 	 	Chief
Executive Officer
	 	 	 
	 	SOUTHWEST
TEXAS DISPOSAL CORPORATION
	 	 	 
	 	By:	 
	 	 	Nicholas
C. Taylor
	 	 	Chairman
of the Board and 
	 	 	Chief
Executive Officer
	 	 	 
	 	TBO
OIL & GAS, LLC
	 	 	 
	 	By:	 
	 	 	Nicholas
C. Taylor
	 	 	Chairman
of the Board and 
	 	 	Chief
Executive Officer

 

    	 

     

    

 

By
its signature, Lender acknowledges the truth of the notice hereinabove stated.

 

	 	LENDER:
	 	 	 
	 	WEST
TEXAS NATIONAL BANK
	 	 
	 	By:	 
	 	 	Beau
    Whatley
	 	 	Vice
    President

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