Document:

CONVERTIBLE
PROMISSORY NOTE

 

	$_____________.00	Charleston,
    South Carolina
	 	April
    ___, 2016

 

FOR
VALUE RECEIVED, Royal Energy Resources, Inc., a Delaware corporation (the “Maker”) promises to pay to the order
of _________________________________________________________________ (together with any subsequent holder hereof, the “Holder”),
the principal sum of ________________________________________ Dollars and No Cents ($____________.00), plus simple interest at
the rate of ten percent (10%) per annum. Accrual of interest shall commence on the first business day to occur after the date
of initial issuance and continue until payment in full of the principal sum has been made or duly provided for. This Note is in
registered form and is part of a series of obligations issued in registered form. This Note is subject to the following additional
provisions.

 

1.
Maturity Date. This Note shall mature on November 1, 2016 (the “Maturity Date”), at which time all principal
and accrued but unpaid interest due on this Note will be due and payable in full.

 

2.
Interest. All accrued interest will be due on the Maturity Date.

 

3.
Default Interest. In the event this Note is not paid in full on the Maturity Date, this Note shall bear interest at the
rate of 12% per annum until paid in full.

 

4.
Prepayment Right. Subject to the written approval by Holder, the Maker may prepay any amount due on this Note in part or
in whole without premium or penalty. Any prepayment shall be applied first to accrued interest and the balance to reduction of
the outstanding principal.

 

5.
Address for Payments. Principal and interest payments are payable at the address of the Holder as set forth below, or at
such other address that Holder may designate in writing to the Maker.

 

6.
Optional Conversion of Note. The Holder of this Note is entitled, at its option, to convert all or a part of the principal
amount of this Note, and all accrued interest on the principal amount converted, into shares of Common Stock, par value $0.00001
per share, of the Maker (“Conversion Shares”) at a conversion price for each Conversion Share equal to $5.50
per Conversion Share (“Conversion Price”) (an “Optional Conversion”).

 

7.
Mandatory Conversion of Note. The Maker of this Note is entitled, at its option, to convert all or a part of the principal
amount of this Note, and all accrued interest on the principal amount converted, into Conversion Shares at the Conversion Price
on the Maturity Date (a “Mandatory Conversion”).

 

8.
Adjustment of Conversion Price. The Conversion Price in effect at any time shall be subject to adjustment as follows:

 

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	 	a.	If
    the Maker shall at any time after the issue date of this Note subdivide its outstanding Common Stock, by split-up or otherwise,
    or combine its outstanding Common Stock, or issue additional shares of its Common Stock in payment of a stock dividend in
    respect of its Common Stock, the Conversion Price shall forthwith be proportionately decreased in the case of a subdivision,
    forward stock split or stock dividend, or proportionately increased in the case of a reverse stock split or combination. 
	 	 	 
	 	b.	In
    case of any consolidation or merger of the Maker with or into any other corporation (other than a consolidation or merger
    in which the Maker is the surviving corporation), or in case of any sale or transfer of all or substantially all of the assets
    of the Maker, the Holder of this Note shall after such consolidation, merger, sale or transfer have the right to convert this
    Note into the kind and amount of shares of stock and other securities and property which such Holder would have been entitled
    to receive upon such consolidation, merger, sale or transfer if he had held the Common Stock issuable upon the conversion
    of this Note immediately prior to such consolidation, merger, sale or transfer.

 

9.
Mechanics of Optional Conversion. An Optional Conversion of this Note shall be effectuated by surrendering this Note to
the Maker (if such Conversion will convert all outstanding principal) together with the form of conversion notice attached hereto
as Exhibit A (the “Notice of Optional Conversion”) executed by the Holder evidencing such Holder’s
intention to convert this Note or a specified portion (as above provided) hereof, and accompanied, if required by the Maker, by
proper assignment hereof in blank. Interest accrued or accruing from the date of issuance to the date of conversion shall be paid
or converted into Common Stock as set forth above. No fraction of a share or scrip representing a fraction of a share will be
issued on conversion, but the number of shares issuable shall be rounded to the nearest whole share. The date on which Notice
of Optional Conversion is given (the “Conversion Date”) shall be deemed to be the date on which the Holder
delivers the Notice of Optional Conversion duly executed to the Maker. Certificates representing Conversion Shares will be delivered
to the Holder to the address specified by the Holder in the Notice of Optional Conversion.

 

10.
Mechanics of Mandatory Conversion. A Mandatory Conversion of this Note shall be effectuated by the Maker sending the Holder
a notice of conversion to the Holder (the “Notice of Mandatory Conversion”) at least ten days prior to the
Maturity Date. Interest accrued or accruing from the date of issuance to the date of conversion shall be paid or converted into
Common Stock as set forth above. No fraction of a share or scrip representing a fraction of a share will be issued on conversion,
but the number of shares issuable shall be rounded to the nearest whole share. Any Mandatory Conversion of this Note shall occur
on the Maturity Date. The Holder authorizes email delivery of a Notice of Mandatory Conversion to the email address set forth
on the signature page hereto, if any. Certificates representing Conversion Shares will be delivered to the Holder to the address
specified by the Holder in the note register maintained by the Maker.

 

11.
No Rights Until Conversion. Nothing contained in this Note shall be construed as conferring upon the Holder the right to
vote or to receive dividends or to consent or receive notice as a shareholder in respect of any meeting of shareholders or any
rights whatsoever as a shareholder of the Company, unless and to the extent converted in accordance with the terms hereof.

 

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12.
Usury Savings Clause. If from any circumstances whatsoever fulfillment of any provision of this Note at the time performance
of such provision shall be due shall involve transcending the limit prescribed by any applicable usury statute or any other applicable
law, with regard to obligations of like character and amount, then, ipso facto, the obligation to be fulfilled shall be reduced
to the limit of such validity, so that in no event shall any exaction be possible under this Note or under any other instrument
evidencing or securing the indebtedness evidenced hereby, that is in excess of the current limit of such validity, but such obligation
shall be fulfilled to the limit of such validity.

 

13.
No Waiver of Rights. Presentment for payment, demand, protest and notice of demand, notice of dishonor and notice of nonpayment
and all other notices are hereby waived by Maker. No failure to accelerate the debt evidenced hereby by reason of default hereunder,
acceptance of a past due installment, or indulgences granted from time to time shall be construed (1) as a novation of this Note
or as a restatement of the indebtedness evidenced hereby or as a waiver of such right of acceleration or of the right of the Holder
thereafter to insist upon strict compliance with the terms of this Note, or (2) to prevent the exercise of such right of acceleration
or any other right granted hereunder or by applicable law; and Maker hereby expressly waives the benefit of any statute or rule
of law or equity now provided, or which may hereafter be provided, which would produce a result contrary to or in conflict with
the foregoing. No extension of the time for the payment of this Note or any installment due hereunder, made by agreement with
any person now or hereafter liable for the payment of this Note shall operate to release, discharge, modify, change or affect
the original liability of the Maker under this Note, either in whole or in part, unless the Holder agrees otherwise in writing.
This Note may not be changed orally, but only by an agreement in writing signed by the party against whom enforcement of any waiver,
change, modification or discharge is sought.

 

14.
Securities Law Exemption; Transfers. This Note has been issued subject to investment representations of the original purchaser
hereof and may be transferred or exchanged only in compliance with the Securities Act of 1933, as amended (the “Act”),
and other applicable state and foreign securities laws. The Holder shall deliver written notice to the Maker of any proposed transfer
of this Note. This Note is transferable only upon due notice being given to the Maker and evidence of issuance and transfer is
reflected in the books and records of the Maker. In the event of any proposed transfer of this Note, the Maker may require, prior
to issuance of a new Note in the name of such other person, that it receive reasonable transfer documentation including legal
opinions that the issuance of the Note in such other name does not and will not cause a violation of the Act or any applicable
state or foreign securities laws. Prior to due presentment for transfer of this Note, the Maker and any agent of the Maker shall
treat the person in whose name this Note is duly registered as the owner hereof for the purpose of receiving payment as herein
provided and for all other purposes, whether or not this Note be overdue, and neither the Maker nor any such agent shall be affected
by notice to the contrary. Upon conversion of this Note into Conversion Shares, this Note shall be cancelled on the books and
records of the Maker and shall no longer be enforceable against the Maker.

 

    	 	Page 3 of 7	 

    	 	 	 

    

 

15.
Representations by Holder. The Holder hereby warrants and represents as follows as to the Conversion Shares it will receive
pursuant to this Agreement:

 

	 	a.	The
    Holder has been advised that this Note and the Conversion Shares have not been registered under the Securities Act, or any
    state securities act in reliance on exemptions therefrom; 
	 	 	 
	 	b.	The
    Holder is an accredited investor, as defined in Rule 502 promulgated under the Securities Act of 1933 on the basis set forth
    the signature page hereto; 
	 	 	 
	 	c.	The
    Holder agrees that the certificate or certificates representing the Conversion Shares will be inscribed with substantially
    the following legend:

 

	 	 	“The
                                         securities represented by this certificate have not been registered under the Securities
                                         Act of 1933. The securities have been acquired for investment and may not be sold, transferred
                                         or assigned in the absence of an effective registration statement for these securities
                                         under the Securities Act of 1933 or an opinion of counsel acceptable to the issuer of
                                         the securities represented by this certificate that registration is not required under
                                         said Act.”

 

	 	d.	The
    Holder is acquiring this Note, and may acquire the Conversion Shares, for its own account and not with a view toward the gifting,
    distribution or resale thereof, and the Holder agrees that the Holder will not sell or offer to sell any portion of the Note
    or the Conversion Shares, or negotiate in respect thereof with any person or persons whomsoever, so as thereby to bring the
    transaction in which the Holder acquired the Note or the Conversion Shares within the provisions of Section 5 of the Securities
    Act of 1933, as amended, or the registration requirement of any other federal or state securities statute; and
	 	 	 
	 	e.	The
    Holder further represents and warrants that (a) the Holder has reviewed the reports filed by the Maker with the Securities
    and Exchange Commission (available at www.sec.gov), (b) the Holder has been presented with and has acted upon the opportunity
    to ask questions of and receive answers from the Maker relating to the business and financial condition of the Maker and to
    obtain any additional information necessary to verify the accuracy of the information made available to the Holder; (c) the
    Holder has had the opportunity to fully negotiate the terms and conditions of this Agreement; (d) the Holder understands and
    acknowledges that the Note and the underlying Conversion Shares the Holder is acquiring hereby are speculative securities
    and involve a high degree of risk and that no federal or state agency has made any finding or determination as to the fairness
    for public or private investment in, nor any recommendations or endorsement of, the Note or the Conversion Shares as an investment;
    (e) the Holder has such knowledge and experience in business and financial matters that the Holder is capable of evaluating
    the merits and risks of an investment in the Note and the Conversion Shares; (g) the Holder’s financial situation is
    such that the Holder can afford the risks of an investment in the Note and the Conversion Shares; and (h) the Holder also
    represents that it has (1) adequate means of providing for his, her or its current needs and possible personal contingencies,
    and (2) has no need for liquidity in the Note or the Conversion Shares.

 

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16.
Recovery of Attorney’s Fees. In the event that this Note is collected by law or through an attorney at law, or under
advice therefrom, the Maker agrees to pay all costs of collection, including reasonable attorneys’ fees actually incurred.

 

17.
Governing Law. This Note shall be governed by and construed in accordance with the laws of the State of Delaware. This
Note has not been given in connection with a consumer loan or a consumer transaction.

 

	 	MAKER:
	 	 	 
	 	ROYAL
                                         ENERGY RESOURCES, INC., A

                                                                     Delaware
                                         corporation

	 	 	 
	 	By:	William
    L. Tuorto
	 	Its:	Chief
    Executive Officer
	 	 	 
	 	Date:	________________

 

[SIGNATURES
CONTINUED ON FOLLOWING PAGE]

 

    	 	Page 5 of 7	 

    	 	 	 

    

 

HOLDER
SIGNATURE PAGE TO CONVERTIBLE NOTE

 

IN
WITNESS WHEREOF, the Holder named below has caused this Convertible Note to be duly executed by his/her/its respective authorized
signatory as of the date hereof.

 

Name
of Holder: ________________________________________________________

 

Signature
of Authorized Signatory of Holder: __________________________________

 

Name
of Authorized Signatory: ____________________________________________________

 

Title
of Authorized Signatory: _____________________________________________________

 

Email
Address of Authorized Signatory: _____________________________________________

 

Address
for Notice of Holder: ___________________________________________________

 

______________________________________________________________________________

 

Address
for Delivery of Conversion Shares to Holder (if not same as address for notice):

 

______________________________________________________________________________

 

SSN
or TIN Number: ________________________ 

 

The
Holder hereby represents and warrants to the Maker that he/she/it is an accredited investor on the grounds listed below:

 

	 	[  ]	1.	Any
    natural person whose individual net worth, or joint net worth with that person’s spouse, at the time of such investor’s
    purchase, exceeds $1,000,000 (excluding the value of your primary residence);
	 	 	 	 
	 	[  ]	2.	Any
    natural person who had an individual income in excess of $200,000 in each of the two most recent years or joint income with
    that person’s spouse in excess of $300,000 in each of those years and has a reasonable expectation of reaching the same
    income level in the current year; 
	 	 	 	 
	 	[  ]	3.	Any
    corporation, limited liability company or partnership which has more than $5,000,000 of assets; 
	 	 	 	 
	 	[  ]	4.	Any
    corporation, limited liability company or partnership in which all of the equity owners are accredited investors; or 
	 	 	 	 
	 	[  ]	5.	None
    of the above. 

 

    	 	Page 6 of 7	 

    	 	 	 

    

 

EXHIBIT
A

 

NOTICE
OF CONVERSION

 

(To
be Executed by the Registered Holder in order to Convert the Note)

 

The
undersigned hereby irrevocably elects to convert $ ________________ of the principal amount and accrued interest of the above
Note into Common Stock of ROYAL ENERGY RESOURCES, INC. according to the conditions hereof, as of the date written below.

 

Date
of Conversion ____________________________________________________________

 

Principal
Amount Converted ____________________________________________________

 

Signature_____________________________________________________________________

 

[Name]

 

Address:______________________________________________________________________

 

_______________________________________________________________________

 

    	 	Page 7 of 7EXECUTION
VERSION

 

THIS
SECURED PROMISSORY NOTE (this “Note”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE SOLD, TRANSFERRED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN APPLICABLE EXEMPTION FROM THE REGISTRATION
REQUIREMENTS OF SUCH ACT AND SUCH LAWS.

 

SECURED
PROMISSORY NOTE

 

	$2,000,000.00	 September
    30, 2016

 

FOR
VALUE RECEIVED, the undersigned, Royal Energy Resources, Inc., a Delaware corporation (the “Maker”), hereby
promises to pay to the order of Weston Energy LLC, a Delaware limited liability company (the “Payee”), the
principal sum of TWO MILLION DOLLARS AND ZERO CENTS ($2,000,000.00), on the terms set forth herein. The Maker shall also pay interest
at the Interest Rate (defined below) (a) from the date hereof until paid in full, on the unpaid principal balance hereof, and
(b) from the date due until paid in full, on the accrued interest hereon and all other amounts owing hereunder. “Interest
Rate” means a rate of eight percent (8.00%) per annum, based on a 365/366-day year and actual days elapsed; provided,
however, that if any amount on this Note is not paid when due, the Interest Rate shall increase by three percent (3.00%) per annum
(to a total of eleven percent (11.00%) per annum) until such amount is paid. Principal and accrued interest shall be due and payable
on December 31, 2016.

 

All
payments shall be made either, at the Payee’s option, (a) in lawful money of the United States of America or (b) by a Common
Equity Transfer, in each case at the principal office of the Payee, or at such other place as the holder hereof may from time
to time designate in writing to the Maker; provided, however, that if the AEI Investment has been made, the Maker may, at its
option, pay this Note in full pursuant to a Preferred Equity Transfer. All payments shall be credited first, to amounts
due hereunder other than principal and interest, second, to accrued interest hereon and then to principal hereof.
Any payment that is due on a day that is not a Business Day shall instead be due on the next-succeeding business day on which
banks are not so required or authorized to close

 

The
Maker may prepay the outstanding principal balance of, and accrued and unpaid interest on, this Note, in whole or in part, at
any time and from time to time, without premium or penalty. Any such prepayment shall be made together with payment of interest
accrued on the amount of principal being prepaid through the date of such prepayment. If all or any portion of this Note is paid
or prepaid, then the amount so repaid may not be re-borrowed.

 

    	1

    	 

    

 

As
used herein, the following terms shall have the following meanings:

 

“AEI”
means Armstrong Energy, Inc., a Delaware corporation.

 

“AEI
Investment” means the investment in Preferred Equity Units by the Payee or any of its Affiliates after the Closing Date
of at least $28,000,000 in the aggregate in connection with the AEI Transaction.

 

“AEI
Transaction” means a transactions or series or related transactions pursuant to which the Payee or any of its Affiliates
exchange shares of common stock of AEI for Common Units, all on terms and conditions satisfactory to the Payee in its sole discretion.

 

“Affiliate”
means, with respect to any Person, any other Person directly or indirectly controlling, controlled by, or under direct or indirect
common control with such Person. A Person shall be deemed to control a second Person if such first Person possesses, directly
or indirectly, the power (i) to vote five percent (5%) or more of the securities having ordinary voting power for the election
of directors or managers of such second Person or (ii) to direct or cause the direction of the management and policies of such
second Person, whether through the ownership of voting securities, by contract or otherwise.

 

“Bankruptcy
Code” means Title 11 of the United States Code entitled “Bankruptcy,” as now or hereafter in effect, or
any successor thereto, as hereafter amended.

 

“Business
Day” means any day other than Saturday, Sunday or any other day on which commercial banks in New York, New York are
authorized or required by law to close.

 

“Closing
Date” means the date of this Note.

 

“Common
Equity Transfer” means the transfer by the Maker to the Payee or, at the Payee’s option, to an Affiliate of the
Payee, of a number of Common Units (rounded up to the nearest whole number) equal to (a) the outstanding principal amount of this
Note plus and all accrued interest divided by (b) the Discount Price.

 

“Common
Unit” has the meaning set forth in the Rhino Partnership Agreement as in effect on the Closing Date.

 

“Discount
Price” means, as of the date of demand for payment hereunder, an amount equal to the average VWAP for the Equity Interests
of Rhino for the period consisting of twenty (20) Trading Days preceding such date of demand multiplied by four-fifths (4/5th);
provided, however, that in no event shall such amount be equal to or less than zero dollars ($0.00).

 

“Equity
Interests” has the meaning provided in the Security Agreement.

 

“Indebtedness”
means: (a) all indebtedness of the Maker for the repayment of borrowed money, whether or not represented by bonds, debentures,
notes or similar instruments, together with all accrued and unpaid interest thereon; (b) all other indebtedness of the Maker evidenced
by bonds, debentures, notes, guarantees or similar instruments, including all accrued and unpaid interest thereon; and (c) all
obligations of the Maker as lessee or lessees under leases that have been recorded by the Maker as capital leases in accordance
with U.S. generally accepted accounting principles. For the avoidance of doubt trade payables and accrued compensation and expenses,
in each case incurred in the ordinary course of business, shall not constitute Indebtedness.

  

    	2

    	 

    

 

“Lien”
means any lien, security interest or other charge or encumbrance of any kind, or any other type of preferential arrangement including,
without limitation the lien or retained security title of a conditional vendor and any easement, right of way or other encumbrance
on title to real property.

 

“Loan
Documents” means, collectively, this Note, the Security Agreement, each Securities Account Control Agreement (as defined
in the Security Agreement) and each other agreement, document or instrument delivered in connection herewith or therewith.

 

“Person”
means any individual, partnership, joint venture, firm, corporation, limited liability company, association, central bank, trust
or other enterprise or any governmental or political subdivision or any agency, department or instrumentality thereof.

 

“Preferred
Equity Transfer” means the transfer by the Maker to the Payee or, at the Payee’s option, to an Affiliate of the
Payee, of a number of Preferred Equity Units (rounded up to the nearest whole number) equal to the outstanding principal amount
of this Note and all accrued and unpaid interest hereon, all at the Maker’s expense, in accordance with applicable laws
and pursuant to procedures satisfactory to the Payee in its sole discretion.

 

“Preferred
Equity Units” means a series of preferred equity interests to be authorized by Rhino after the Closing Date with terms
satisfactory to the Payee in its sole discretion.

 

“Rhino”
means Rhino Resource Partners LP, a Delaware limited partnership.

 

“Rhino
Partnership Agreement” means the Third Amended and Restated Partnership Agreement of Limited Partnership of Rhino Resource
Partners LP.

 

“Security
Agreement” means the Pledge and Security Agreement, dated as of the date hereof, made by the Maker in favor of the Payee
and accepted by the Payee.

 

“Short
Sales” means all “short sales” as defined in Rule 200 of Regulation SHO under the Securities Exchange Act
of 1934, as amended (but shall not be deemed to include the location and/or reservation of borrowable shares of Common Stock).

“Trading
Day” means any day other than Saturday, Sunday or any other day on which the Trading Market lists the price of, or conducts
trades of, the Equity Interests of Rhino.

 

“Trading
Market” means any one of the following markets or exchanges on which the Common Units are listed or quoted for trading
on the date in question: the Nasdaq SmallCap Market, the American Stock Exchange, the New York Stock Exchange or the Nasdaq National
Market.

 

    	3

    	 

    

 

“VWAP”
means, for any Trading Day, the price determined as follows: (a) if on such Trading Day the Common Units are then listed or quoted
on a Trading Market, the daily volume weighted average price of the Common Units for such Trading Day on the Trading Market on
which the Common Units are then listed or quoted as reported by Bloomberg Financial L.P. (based on a Trading Day from 9:30 a.m.
Eastern Time to 4:00 p.m. Eastern Time); and (b) if clause (a) does not apply on such Trading Day, the average of the high and
low price of the Common Units for such Trading Day as listed or quoted on the OTC Bulletin Board or OTC Markets, LLC.

 

The
following are events of default under this Note (each, an “Event of Default”):

 

(i)The
Maker shall fail to make when due any payment of principal, interest or other amount under this Note.

 

(ii)Any
representation or warranty made by the Maker herein, in any other Loan Documents or in any other agreement, document, instrument
or certificate furnished by the Maker to Payee proves untrue as of the date hereof or omits any statement necessary to make the
statements contained therein, in light of the circumstances under which they were made, not false or misleading.

 

(iii)(A)
The Maker shall commence a voluntary case concerning itself under the Bankruptcy Code; (B) an involuntary case is commenced against
the Maker and the petition is not contested within fifteen (15) days, or is not dismissed or stayed within sixty (60) days, after
commencement of the case; (C) a custodian (as defined in the Bankruptcy Code) is appointed for, or takes charge of, all or substantially
all of the property of the Maker or the Maker commences any other proceedings under any reorganization, arrangement, adjustment
of debt, relief of debtors, dissolution, insolvency or liquidation or similar law of any jurisdiction whether now or hereafter
in effect relating to the Maker or there is commenced against the Maker any such proceeding which remains undismissed and unstayed
for a period of sixty (60) days; (D) any order of relief or other order approving any such case or proceeding is entered; (E)
the Maker is adjudicated insolvent or bankrupt; (F) the Maker suffers any appointment of any custodian or the like for it or any
substantial part of its property to continue undischarged and unstayed for a period of thirty (30) days; (G) the Maker makes a
general assignment for the benefit of creditors; (H) the Maker shall by any act or failure to act consent to, approve of or acquiesce
in any of the foregoing; or (I) any corporate action is taken by the Maker for the purpose of effecting any of the foregoing.

 

(iv)Any
judgment, writ or warrant of attachment or of any similar post-judgment process in an amount in excess of Two Hundred Fifty Thousand
and no/100 Dollars ($250,000) shall be entered or filed against the Maker or against any of its properties or assets and remain
unsatisfied and unstayed for a period of thirty (30) days;

 

(v)The
Maker dissolves, liquidates or otherwise ceases to actively conduct business or takes corporate action authorizing any of the
foregoing.

 

    	4

    	 

    

 

(vi)The
Maker shall fail in any material respect to comply with any law, rule, regulation or order to which it or its assets are subject
if such failure to comply is reasonably likely to have a material adverse effect on the ability of the Maker to repay this Note.

 

(vii)The
Maker shall fail to comply with any covenant contained in the Security Agreement or in any other Loan Document.

 

Within
five (5) business days of receiving knowledge of any condition, event or act that would, or with the giving of notice or lapse
of time would, constitute any Event of Default, the Maker shall give written notice thereof to the Payee.

 

Upon
the occurrence of any Event of Default, then, and in any such event, the Payee may, by notice to the Maker, declare this Note,
all interest hereon and all other amounts payable hereunder to be forthwith due and payable, whereupon this Note, all such interest
and all such amounts shall become and be forthwith due and payable, without presentment, demand, protest or further notice of
any kind, all of which are hereby expressly waived by the Maker; provided that if any Event of Default under sub-paragraph
(iv) above occurs, this Note, all such interest and all such amounts shall automatically become and be due and payable, without
presentment, demand, protest or any notice of any kind, all of which are hereby expressly waived by the Maker.

 

No
right or remedy herein conferred upon or reserved to the Payee is intended to be exclusive of any other right or remedy available
with respect hereto or to a default hereunder. Every such right and remedy shall, to the extent permitted by law, be cumulative
and in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise.
No assertion or employment of any right or remedy hereunder shall prevent the concurrent assertion or employment of any other
right or remedy. No delay by the Payee in exercising or omission of the Payee to exercise any right or remedy accruing hereunder
shall constitute a waiver of any such right or remedy or acquiescence in any default. Every such right or remedy may be exercised
from time to time, as often as may be expedient, by the Payee.

 

No
failure on the part of the Payee to exercise, and no delay in exercising, any right hereunder or under this Note shall operate
as a waiver thereof; nor shall any single or partial exercise of any such right preclude any other or further exercise thereof
or the exercise of any other right. The remedies herein provided are cumulative and not exclusive of any remedies provided by
law.

 

The
Maker represents and warrants to the Payee as follows:

 

(i)The
Maker is a corporation duly organized and validly existing under the laws of the State of Delaware and has all requisite power
and authority to own or use its properties and assets and to carry on its business operations as now conducted and as currently
proposed to be conducted.

 

    	5

    	 

    

 

(ii)The
Maker has all power and authority to enter into this Note, and that this Note and the transactions contemplated herein have been
authorized by all action required under its certificate of incorporation, by-laws or otherwise under any agreement, document or
applicable law. Neither the execution and delivery by the Maker of this Note nor the consummation or performance by the Maker
of the transactions contemplated by this Note to be consummated or performed by it (i) results or will result in any violation
of the certificate of incorporation or by-laws of the Maker or other organizational or governing documents of the Maker; or (ii)
violates or conflicts with, or constitutes a breach of any of the terms or provisions of or a default under, or results in the
creation or imposition of any lien upon any property or asset of the Maker, the trigger of any charge, payment or requirement
of consent, or the acceleration or increase of the maturity of any payment date under: (A) any contract or (B) any applicable
law or order to which the Maker or any of their respective properties is subject.

 

(iii)Except
as incurred hereunder, or as set forth in Schedule A hereto, the Maker has incurred no Indebtedness.

 

While
this Note remains outstanding, the Maker covenants to the Payee as follows:

 

	 	(i)	The
    Maker will apply the proceeds of this Note to the uses described on Schedule B and for no other purposes.
	 	 	 
	 	(ii)	Except
    for this Note, and except for loans from Affiliates and loans from third parties in the form of convertible notes, the Maker
    will not, directly or indirectly, create, incur, assume, guarantee, acquire, become liable, contingently or otherwise, with
    respect to, or otherwise become responsible for payment of any Indebtedness or indebtedness of any other person or entity.
	 	 	 
	 	(iii)	The
    Maker will not, directly or indirectly, (i) declare or pay any dividend or make any distribution to Maker’s shareholders;
    (ii) purchase, redeem or otherwise acquire or retire for value any of the Maker’s stock; or (iii) make any payment (whether
    for principal, premium, if any, or interest) on, purchase, defease, redeem, prepay, decrease or otherwise acquire or retire
    for value, prior to any scheduled final maturity, scheduled repayment or scheduled sinking fund payment, any Indebtedness
    of the Maker.
	 	 	 
	 	(iv)	The
    Maker will not, in a single transaction or series of related transactions, consolidate or merge with or into any entity, or
    sell, assign, transfer, lease, convey, encumber or otherwise dispose of any of its assets other than inventory or obsolete
    or worn-out equipment sold in the ordinary course of the Maker’s business, to any person or entity.
	 	 	 
	 	(v)	The
    Maker shall not, after the date hereof, create or incur or, except for Liens in favor of the Payee and Liens arising with
    respect to taxes that are not yet due and payable, assume or suffer to exist, any Lien on or with respect to any of its properties
    of any character (real, personal or other) (including without limitation accounts) whether now owned or hereafter acquired,
    or sign or file or, except with respect to Liens existing in favor of the Payee, suffer to exist, under the Uniform Commercial
    Code of any jurisdiction, a financing statement that names the Maker as debtor, or sign or suffer to exist, or permit any
    of its subsidiaries to sign or suffer to exist, any security agreement authorizing any secured party thereunder to file such
    financing statement, other than the Payee, or assign any accounts or other right to receive income.

 

    	6

    	 

    

 

The
Maker shall cause a Form 1099-INT to be issued to the Payee with respect to the interest paid under this Note during the tax year
ended December 31, 2016 on or before January 31, 2017 and by each January 31 for each December 31 thereafter.

 

The
Payee shall deliver a duly executed IRS Form W-9 to the Maker concurrently with the delivery by the Maker to Payee of this Note.

 

From
the date of this Note until December 31, 2016, the Payee shall not effect Short Sales of the Common Units.

 

This
Note shall be construed in accordance with and governed by the laws of the State of New York. The Maker: (i) agrees that any legal
suit, action or proceeding arising out of or relating to this Note will be instituted exclusively in state or Federal courts located
in New York County in the State of New York; (ii) waives any objection that it may have with respect to venue or forum non
conveniens in any such suit, action or proceeding; and (iii) irrevocably consents to the jurisdiction of the state and Federal
courts located in New York County in the State of New York in any such suit, action or proceeding. Each of the parties hereto
further agrees to accept and acknowledge service of any and all process which may be served in any such suit, action or proceeding
and agree that service of process upon such party mailed by certified mail to such party’s address will be deemed in every
respect effective service of process upon such party in any such suit, action or proceeding. A final judgment in any such action
or proceeding shall be conclusive and may be enforced in other jurisdictions by suit on the judgment or in any other manner provided
by law. Nothing in this Note shall affect any right that the Payee may otherwise have to bring any action or proceeding relating
to this Note in the courts of any jurisdiction.

 

THE
PARTIES HERETO AGREE TO WAIVE THEIR RESPECTIVE RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT
OF THIS NOTE.

 

The
Maker agrees to indemnify and hold harmless the Payee and its partners, affiliates, employees and agents, from and against any
and all liabilities, obligations, losses, damages, penalties, actions, judgments, costs, suits and expenses of any kind or nature
arising from breaches of the Maker’s representations and warranties set forth herein and arising from claims by parties
other than the Payee and its affiliates regarding the transaction contemplated herein or the actual or proposed execution, delivery,
enforcement and performance of the agreements referred to herein and any agreements executed in connection herewith or therewith.

 

    	7

    	 

    

 

The
Payee may sell, assign or otherwise transfer, or sell participations in, this Note, in whole or in part, upon written notice to
the Maker. On request by the Payee in connection with any such transfer, the Payee will, against the return of this Note, issue
a new Note or Notes to the respective persons entitled thereto, in substantially the form of this Note but in the name of such
persons.

 

Time
is of the essence in the performance of the Maker's obligations under this Note.

 

All
notices and other communications hereunder shall be in writing and shall be deemed given if delivered by hand, mailed by registered
or certified mail (return receipt requested), sent by electronic mail or sent by Federal Express or other recognized overnight
courier to the parties at the following addresses (or at such other address for a party as shall be specified by like notice):

 

	If
    to the Maker:	Royal
    Energy Resources, Inc.
	 	56
    Broad Street, Suite 2
	 	Charleston,
    SC  29401
	 	Email:  williamtuorto@royalenergy.us
	 	Attention:  William
    L. Tuorto
	 	 
	 	with
    a copy to:
	 	 
	 	Davis
    Gillett Mottern & Sims, LLC
	 	1230
    Peachtree Street, NE, Suite 2445
	 	Atlanta,
    Georgia 30309
	 	Email:
    bmottern@investmentlawgroup.com
	 	Attention:  Robert
    J. Mottern
	 	 
	If
    to the Payee:	Weston
    Energy LLC
	 	c/o
    Yorktown Energy Partners XI, L.P.
	 	410
    Park Avenue, 19th Floor
	 	New
    York, New York 10022-4407
	 	Email:
    blawrence@oakcliffcapital.com
	 	Attention:
    Bryan R. Lawrence
	 	 
		with
    a copy to:
	 	 
	 	Thompson
    & Knight LLP
	 	One
    Arts Plaza
	 	1722
    Routh Street, Suite 1500
	 	Dallas,
    Texas 75201-2533
	 	Email:
    AnnMarie.Cowdrey@tklaw.com
	 	Attention:  Ann
    Marie Cowdrey

 

    	8

    	 

    

This
Note embodies the entire agreement of the Maker and the Payee with respect to the subject matter hereof and supersedes all prior
agreements and understandings with respect to such subject matter.

 

The
Maker hereby agrees, subject only to any limitation imposed by applicable law, to pay all expenses, including all attorneys’
fees and out-of-pocket legal expenses, incurred by the Payee in endeavoring to collect any amounts payable hereunder that are
not paid when due, whether by declaration or otherwise. The Maker hereby agrees to indemnify and hold harmless the Payee from
any and all claims, actions, causes of action, demands, losses, damages, liabilities, costs and expenses (including reasonable
attorneys’ fees and expenses), asserted against, resulting to, imposed upon, or incurred by the Payee, directly or indirectly,
by reason of or resulting from this Note other than any such claims arising as a result of the Payee’s gross negligence
or willful misconduct.

 

Notwithstanding
anything to the contrary contained in this Note, in no event shall the interest payable hereon, whether before or after maturity,
exceed the maximum interest which, under applicable law, may be charged on this Note.

 

The
terms and conditions of this Note shall not be amended, changed, terminated or waived except by a writing duly executed by the
Payee and the Maker.

 

*******

[Remainder
of this Page Intentionally Left Blank]

 

    	9

    	 

    

 

IN
WITNESS WHEREOF, the undersigned, by its duly authorized and acting officers below, has executed this Note as of the date first
set forth above.

 

		ROYAL ENERGY RESOURCES, INC. 
	 	 	 
		By: 	 
		Name: 	 
		Title: 	 

 

[Secured
Promissory Note]

 

    	 

    	 

    

 

Schedule
A

Maker
Indebtedness

 

	 	1.	Convertible
    Notes to various investors in the original principal amount of $2,150,000.
	 	 	 
	 	2.	Demand
    note dated March 6, 2015 payable to E-Starts Money Co. in the original principal amount of $203,593.
	 	 	 
	 	3.	Demand
    note dated June 11, 2015 payable to E-Starts Money Co. in the original principal amount of $200,000
	 	 	 
	 	4.	Demand
    note dated September 22, 2016 payable to E-Starts Money Co. in the original principal amount of $50,000.

 

    	 

    	 

    

 

Schedule
B

Use
of Proceeds

 

The
proceeds will be used to make a payment of $2,000,000 due to Rhino under the Note, dated March 21, 2016, in the original principal
amount of $7,000,000.

 

    	12

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