Document:

Exhibit

GLENBROOK LIFE AND ANNUITY COMPANY 
 (herein called "we" or "us")
Certificate Amendment
The following changes are made to your Certificate.
I. The Investment Alternatives provision is replaced with the following:
Investment Alternatives The Investment Alternatives are the Sub-accounts of the Variable Account and the Fixed Account Options shown on the Application. We may offer additional Sub-accounts of the Variable Account at our discretion. We reserve the right to limit the availability of the Investment Alternatives.
II. The Fixed Account Options provision is replaced with the following:
Fixed Account Options The Fixed Account Options are the Dollar Cost Averaging Fixed Account, the Short Term Dollar Cost Averaging Fixed Account, and the Sub-accounts of the Guaranteed Maturity Fixed Account.
III. The Short Term Dollar Cost Averaging Fixed Account provision is added to your Certificate.
Short Term Dollar Cost Averaging Fixed Account Money in the Short Term Dollar Cost Averaging Fixed Account will earn interest at the annual rate in effect at the time of allocation to the Short Term Dollar Cost Averaging Fixed Account. Each purchase payment and associated interest in the Short Term Dollar Cost Averaging Fixed Account must be transferred to Sub-accounts of the Variable Account in equal monthly installments within the selected transfer period. We will offer at our discretion a transfer period no less than 3 months or more than 12 months. If you discontinue the Dollar Cost Averaging Program before the end of the transfer period, the remaining balance in the Short Term Dollar Cost Averaging Fixed Account will be transferred to the Money Market Investment Alternative unless you request a different Investment Alternative. No amount may be transferred into the Short Term Dollar Cost Averaging Fixed Account.
IV. The following is added to the Purchase Payments provision:
For each purchase payment, the minimum amount that may be allocated to the Short Term Dollar Cost Averaging Fixed Account is $5,000. We reserve the right to reduce the minimum allocation amount.
V. The Crediting Interest provision is replaced with the following:
Crediting Interest We credit interest daily to money allocated to the Dollar Cost Averaging Fixed Account, the Short Term Dollar Cost Averaging Fixed Account, and each Sub-account of the Guaranteed Maturity Fixed Account at a rate which compounds over one year to the interest rate we guaranteed when the money was allocated. We will credit interest to the initial purchase payment from the issue date. We will credit interest to subsequent purchase payments from the date we receive them. We will credit interest to transfers from the date the transfer is made. The annual interest rates for the Dollar Cost Averaging Fixed Account and the Short Term Dollar Cost Averaging Fixed Account will never be less than 3.0%.
GLA5 (7/98)
Page 1

VI. The following is added to the Transfers provision:
No amount may be transferred into the Short Term Dollar Cost Averaging Fixed Account.
At the end of the transfer period, any remaining portion of the purchase payment and interest in the Short Term Dollar Cost Averaging Fixed Account will be allocated to other Investment Alternatives as set forth in the current Short Term Dollar Cost Averaging Fixed Account allocation.
VII. The Certificate Value provision is replaced with the following:
Certificate Value Your "Certificate Value" is equal to the sum of:
o the number of Accumulation Units you hold in each Sub-account of the Variable Account multiplied by the Accumulation Unit Value for that Sub-account on the most recent Valuation Date; plus
o the total value you have in the Dollar Cost Averaging Fixed Account; plus
o the total value you have in the Short Term Dollar Cost Averaging Fixed Account; plus
o the sum of Sub-account values in the Guaranteed Maturity Fixed Account.
VIII.The Mortality and Expense Risk Charge provision is replaced with the following:
Mortality and Expense Risk Charge The annualized Mortality and Expense Risk Charge will never be greater than 1.05%. (See Net Investment Factor for a description of how this charge is applied.)
Our actual mortality and expense experience will not adversely affect the dollar amount of variable benefits or other contractual payments or values under this Certificate.
IX. The last paragraph of the Withdrawal provision is deleted and replaced with the following:
Any Withdrawal Charge or Market Value Adjustment will be waived on withdrawals taken to satisfy IRS minimum distribution rules. This waiver is permitted only for withdrawals which satisfy distributions resulting from this Certificate.
X. The last paragraph of the Death of Owner or Annuitant provision is deleted and replaced with the following:
If the surviving spouse of the deceased owner is the new owner, then the spouse may elect one of the options listed above or may continue the Certificate in the Accumulation Phase as if the death had not occurred. If the Certificate is continued in the Accumulation Phase, the surviving spouse may make a one time withdrawal of any amount within one year of the date of death without incurring a Withdrawal Charge or Market Value Adjustment.
XI. The Fixed Amount Income Payments provision is replaced with the following:
Fixed Amount Income Payments The income payment amount derived from any money allocated to the Fixed Account Options during the Accumulation Phase are fixed for the duration of the Income Plan.
GLA5 (7/98)
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	The Fixed Amount  Income  Payment is  calculated by applying the portion of 
the  Certificate  Value in the Fixed  Account  Options on the Payout  Start 
Date,  adjusted  by any Market  Value  Adjustment  plus any amount from the 
Variable  Account that the owner  elects to apply to a Fixed Amount  Income 
Payment  and  less  any  applicable  premium  tax,  to the  greater  of the 
appropriate  value from the Income  Payment  Table  selected  or such other 
value as we are offering at that time.

XII. The last paragraph of the Deferment of Payments provision is deleted and replaced with the following:
We reserve the right to postpone payments or transfers from the Fixed Account Options for up to six months. If we elect to postpone payments or transfers from the Fixed Account Options for 30 days or more, we will pay interest as required by applicable law. Any interest would be payable from the date the payment or transfer request is received by us to the date the payment or transfer is made.
XIII.Income Plan number 3 in the Income Plans provision is deleted and replaced with the following:
3. Guaranteed Number of Payments. We will make payments for a specified number of months beginning on the Payout Start Date. These payments do not depend on the Annuitant's life. The number of months guaranteed may be from 60 to 360. Income payments for less than 120 months may be subject to a Withdrawal Charge.
Except as amended in this endorsement, the Certificate remains unchanged.
[GRAPHIC OMITTED][GRAPHIC OMITTED]

	
	
	Secretary                           Chief Executive Officer 
 
GLA5                                                                 (7/98) 
                                     Page 3Exhibit

LU10244
Allstate Life Insurance Company 
 (herein called "We" or "Us")
Amendatory Endorsement
As used in this endorsement, "Contract" means the Contract or Certificate to which this endorsement is attached.
We have issued this endorsement as part of the Contract to which it is attached.
The following changes are made to your contract.
1. The Company name is deleted and replaced with:
Allstate Life Insurance Company
2. Home office address is deleted and replaced with:
3100 Sanders Road, Northbrook, IL 60062
Except as amended in this endorsement, the Contract remains unchanged.
[GRAPHIC OMITTED][GRAPHIC OMITTED] [GRAPHIC OMITTED][GRAPHIC OMITTED]THE
ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS DOCUMENT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN
THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR (B)
AN OPINION OF COUNSEL (WHICH COUNSEL SHALL BE SELECTED BY THE HOLDER AND REASONABLY APPROVED BY THE COMPANY), IN A GENERALLY ACCEPTABLE
FORM, THAT REGISTRATION IS NOT REQUIRED UNDER SAID ACT OR (II) UNLESS SOLD PURSUANT TO RULE 144 OR RULE 144A UNDER SAID ACT. NOTWITHSTANDING
THE FOREGOING, THE SECURITIES MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER LOAN OR FINANCING ARRANGEMENT
SECURED BY THE SECURITIES.

 

PROMISSORY
NOTE

 

	September
    29, 2017	$250,000.00

 

FOR
VALUE RECEIVED, Foothills Exploration, Inc., a Delaware corporation (the “Company”), located at 633 17th
Street, Suite 1700, Denver, CO 80202, hereby unconditionally promises to pay to the order of Elliot G. Freier, trustee of
the Elliot G. Freier Revocable Trust U/A 9/6/06, located at 1800 Avenue of the Stars, Suite 900, Los Angeles, CA 90067,
or its successors or assigns (the “Holder”), the principal amount of Two Hundred Fifty Thousand and 00/100
United States Dollars (USD $250,000.00) on or prior to January 2, 2018 (the “Maturity Date”). This Note
evidences a term loan made to the Company on September 22, 2017, in the principal amount of $45,000.00 and an additional term
loan made on the date of this Note (as defined below) in the principal amount of $205,000.00.

 

1.
Payments of Principal, Interest and Warrants.

 

(a)
Payment of Principal. The principal amount of this promissory note (the “Note”) shall be paid to the
Holder on or prior to the Maturity Date.

 

(b)
Payment of Interest. The principal amount of this Note shall bear no interest if paid in cash in full on or before the
Maturity Date.

 

(c)
Payment of Default Interest. Any amount of principal due under this Note which is not paid on or before the Maturity Date
shall thereafter bear interest at 15% per annum until collected (the “Default Rate”). Interest at the Default
Rate shall be payable upon demand.

 

(d)
Mandatory Prepayment. The Company shall prepay the then outstanding principal balance of this Note, together with all accrued
and unpaid interest thereon and all other sums due under the Note, with the proceeds of any Indebtedness incurred by the Company
or any of its subsidiaries. For purposes of this Note, the term “Indebtedness” of a person shall mean (a) all obligations
of such person for borrowed money, (b) all obligations of such person evidenced by bonds, debentures, notes or similar instruments,
(c) all obligations of such person issued or assumed as the deferred purchase price of property or services (excluding trade accounts
payable and accrued obligations incurred in the ordinary course of business), (d) all Indebtedness of others secured by any lien
on property owned or acquired by such person; (e) capitalized lease obligations of such person, (f) all net obligations of such
person in respect of swap obligations or hedging obligations and (g) the issuance of equity interests of such person that by its
terms (or the terms of any security into which it is convertible or exchangeable), or upon the happening of any event, matures
or is mandatorily redeemable or redeemable at the option of the holder thereof, or exchangeable or convertible into debt securities
of such person at the option of the holder thereof, in whole or in part, prior to the date that is 181 days after the Maturity
Date.

 

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(e)
General Payment Provisions. All payments of principal, interest on and other amounts due under this Note shall be made
in lawful money of the United States of America by certified bank check or wire transfer to such account as the Holder may designate
by written notice to the Company in accordance with the provisions of this Note. Whenever any amount expressed to be due by the
terms of this Note is due on any day which is not a Business Day, the same shall instead be due on the next succeeding Business
Day. For purposes of this Note, “Business Day” shall mean any day other than a Saturday, Sunday, or a day on which
commercial banks in the States of [California] or [Colorado] are authorized or required by law or executive order to remain closed.

 

(f)
No Breach. The Company represents and warrants to the Holder that: none of the execution, delivery and performance (including,
without limitation, the incurrence and repayment of the Indebtedness evidenced by this Note) by the Company of this Note, the
Warrants (as defined below), the registration rights agreement in favor of the Holder to be entered into in connection with the
Warrants and other related documents (collectively, the “Transaction Documents”) to which it is a party nor
the consummation of the transactions contemplated herein and therein do or will (i) conflict with or result in a breach of, or
require any consent (which has not been obtained and is in full force and effect) under (x) any organizational document of the
Company or any of its subsidiaries or (y) any applicable requirement of law or (z) any order, writ, injunction or decree of any
governmental authority binding on the Company or any of its subsidiaries, or (ii) result in a breach of, or require termination
of, any term or provision of any contractual obligation of the Company or any of its subsidiaries or (iii) constitute (with due
notice or lapse of time or both) a default under any such contractual obligation or (iv) result in or require the creation or
imposition of any lien upon any property of the Company or any of its subsidiaries pursuant to the terms of any such contractual
obligation.

 

(g)
Warrants. Holder shall be entitled to receive the following three (3) tranches of Warrants (collectively, the “Warrants”)
as additional consideration for the term loans evidenced hereby:

 

i
Tranche 1: 375,000 warrants; each warrant to purchase one share of common stock of the Company at a strike price of $0.665
per share, with a 24-month exercise term, without a cashless exercise provision. A form of Tranche 1 warrant is attached hereto
as Exhibit A.

 

ii
Tranche 2: 375,000 warrants; each warrant to purchase one share of common stock of the Company at a strike price of $1.25
per share, with a 36-month exercise term, without a cashless exercise provision. A form of Tranche 2 warrant is attached hereto
as Exhibit B.

 

iii
Tranche 3: 185,000 warrants; each warrant to purchase one share of common stock of the Company at a strike price of $2.00
per share, with a 36-month exercise term, without a cashless exercise provision. A form of Tranche 3 warrant is attached hereto
as Exhibit C.

 

By
accepting this Note, the Holder acknowledges that the foregoing warrants are speculative securities subject to very high risks
including the risk of complete loss.

 

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2.
Defaults and Remedies.

 

(a)
Events of Default. The occurrence of any of the following events shall constitute an “Event of Default”
hereunder: (i) the Company shall fail to pay any installment of interest, principal or other sums due under this Note when any
such payment shall be due and payable; (ii) the Company makes an assignment for the benefit of creditors; (iii) any order or decree
is rendered by a court which appoints or requires the appointment of a receiver, liquidator or trustee for the Company, and the
order or decree is not vacated within sixty (60) days from the date of entry thereof; (iv) any order or decree is rendered by
a court adjudicating the Company insolvent, and the order or decree is not vacated within sixty (60) days from the date of entry
thereof; (v) the Company files a petition in bankruptcy under the provisions of any Debtor Relief Law; (vi) the Company admits,
in writing, its inability to pay its debts as they become due (provided, however, that receipt by the Company of an audit letter
from its accountants questioning the viability of the Company as a going concern shall not, in and of itself, be construed as
an admission by the Company of its inability to pay its debts as they become due); (vii) a proceeding or petition in bankruptcy
is filed against the Company and such proceeding or petition is not dismissed within ninety (90) days from the date it is filed;
(viii) the Company files a petition or answer seeking reorganization or arrangement under any Debtor Relief Law or similar law
of any other foreign country; (ix) the Company shall fail to perform, comply with or abide by any of the stipulations, agreements,
conditions and/or covenants contained in this Note on the part of the Company to be performed complied with or abided by (other
than a payment covered by clause (i) above), and such failure is not cured within thirty (30) days after written notice of such
failure is delivered by Holder to the Company, (x) the Company or any of its subsidiaries shall fail to pay any Indebtedness (excluding
Indebtedness evidenced by this Note) having a principal amount outstanding in excess of $100,000, or any payment of principal,
interest or premium thereon, when due (whether by scheduled maturity, required prepayment, acceleration, demand or otherwise)
and such failure shall continue after the applicable grace period, if any, specified in the agreement or instrument relating to
such Indebtedness, or any other default under any agreement or instrument relating to any such Indebtedness, or any other event,
shall occur and shall continue after the applicable grace period, if any, specified in such agreement or instrument, if the effect
of such default or event is to accelerate, or to permit the acceleration of, the maturity of such Indebtedness; or any such Indebtedness
shall be declared to be due and payable, or required to be prepaid (other than by a regularly scheduled required prepayment),
redeemed, purchased or defeased or an offer to prepay, redeem, purchase or defease such Indebtedness shall be required to be made,
in each case, prior to the stated maturity thereof and (xi) any representation or warranty made by the Company under this Note
shall prove to have been false or misleading when made.. “Debtor Relief Law” means the Bankruptcy Code of the United
States (Title 11), and all other liquidation, conservatorship, bankruptcy, assignment for the benefit of creditors, moratorium,
rearrangement, receivership, insolvency, reorganization, or similar debtor relief laws of the United States or other applicable
jurisdictions from time to time in effect and affecting the rights of creditors generally.

 

(b)
Default Fee. Upon the occurrence of an Event of Default under Section 2(a)(i), the Company shall pay Holder a default fee
of $25,000 (“Default Fee”).

 

(c)
Remedies. Upon the occurrence of one or more Events of Default, the Holder, at its option and without further notice, demand
or presentment for payment to the Company or others, may declare the then outstanding principal balance of this Note, together
with all accrued and unpaid interest at the Default Rate and other sums due under the Note, immediately due and payable, together
with all reasonable attorneys’ fees, paralegals’ fees and costs and expenses incurred by the Holder in collecting
or enforcing payment thereof (whether such reasonable fees, costs or expenses are incurred in negotiations, all trial and appellate
levels, administrative proceedings, bankruptcy proceedings or otherwise), and all other sums due by the Company hereunder, all
without any relief whatsoever from any valuation or appraisement laws and payment thereof may be enforced and recovered in whole
or in part at any time by one or more of the remedies provided to the Holder at law, in equity, or under this Note; provided,
however, that the occurrence of any Event of Default described in clauses (iii) through (viii) above shall make this Note immediately
due and payable, without any action on the part of any Person. The Company hereby waives all presentment for payment, demand,
protest, notice of protest and notice of dishonor, and all other notices of any kind to which they may be entitled under applicable
Laws or otherwise. This provision shall be in addition to, and shall not limit, any other remedies the Holder may have at law
or equity.

 

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3.
Lost or Stolen Note. Upon notice to the Company of the loss, theft, destruction or mutilation of this Note, and, in the
case of loss, theft or destruction, of an indemnification undertaking by the Holder to the Company in a form reasonably acceptable
to the Company and customary for similar circumstances in commercial lender/borrower circumstances, and, in the case of mutilation,
upon surrender and cancellation of the Note, the Company shall execute and deliver a new Note of like tenor and date and in substantially
the same form as this Note.

 

4.
Cancellation. After all principal, accrued interest and all other sums at any time owed on this Note have been paid in
full, this Note shall automatically be deemed canceled, shall be surrendered to the Company for cancellation and shall not be
re-issued.

 

5.
Governing Law. This Note shall be construed and enforced in accordance with, and all questions concerning the construction,
validity, interpretation and performance of this Note shall be governed by, the laws of the State of Colorado, without giving
effect to provisions thereof regarding conflict of laws. Each party hereto hereby irrevocably submits to the non-exclusive jurisdiction
of the state and federal courts sitting in the County of Los Angeles in the State of California for the adjudication of any dispute
hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein, and hereby irrevocably waives,
and agrees not to assert in any suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of
any such court, that such suit, action or proceeding is brought in an inconvenient forum or that the venue of such suit, action
or proceeding is improper, provided, however, nothing contained herein shall limit the Holder’s ability to bring suit or
enforce this Note in any other jurisdiction. Each party hereto hereby irrevocably waives personal service of process and consents
to process being served in any such suit, action or proceeding by sending by certified mail or overnight courier a copy thereof
to such party at the address indicated in the preamble hereto and agrees that such service shall constitute good and sufficient
service of process and notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve process
in any manner permitted by law.

 

6.
Remedies, Characterizations, Other Obligations, Breaches and Injunctive Relief. The remedies of the Holder as provided
herein shall be cumulative and concurrent and may be pursued singly, successively or together, at the sole discretion of the Holder,
and may be exercised as often as occasion therefor shall occur; and the failure to exercise any such right or remedy shall in
no event be construed as a waiver or release thereof.

 

7.
Specific Shall Not Limit General; Construction. No specific provision contained in this Note shall limit or modify any
more general provision contained herein. This Note shall be deemed to be jointly drafted by the Company and the Holder and shall
not be construed against any person as the drafter hereof.

 

8.
Failure or Indulgence Not Waiver. Holder shall not be deemed, by any act of omission or commission, to have waived any
of its rights or remedies hereunder, unless such waiver is in writing and signed by Holder, and then only to the extent specifically
set forth in the writing. A waiver on one event shall not be construed as continuing or as a bar to or waiver of any right or
remedy to a subsequent event. No failure to exercise and no delay in exercising on the part of the Holder, of any right, remedy,
power or privilege hereunder shall operate as a waiver thereof; nor shall any single or partial exercise of any right, remedy,
power or privilege hereunder preclude any other or further exercise thereof or the exercise of any other right, remedy, power
or privilege.

 

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9.
Notice. Notice shall be given to each party at the address indicated in the preamble hereto or at such other address as
provided to the other party in writing.

 

10.
Usury Savings Clause. Notwithstanding any provision in this Note, the total liability for payments of interest and payments
in the nature of interest, including, without limitation, all charges, fees, exactions, or other sums which may at any time be
deemed to be interest, shall not exceed the limit imposed by the usury laws of the jurisdiction governing this Note or any other
applicable law. In the event the total liability of payments of interest and payments in the nature of interest, including, without
limitation, all charges, fees, exactions or other sums which may at any time be deemed to be interest, shall, for any reason whatsoever,
result in an effective rate of interest, which for any month or other interest payment period exceeds the limit imposed by the
usury laws of the jurisdiction governing this Note, all sums in excess of those lawfully collectible as interest for the period
in question shall, without further agreement or notice by, between, or to any party hereto, be applied to the reduction of the
outstanding principal balance of this Note immediately upon receipt of such sums by the Holder hereof, with the same force and
effect as though the Company had specifically designated such excess sums to be so applied to the reduction of such outstanding
principal balance and the Holder hereof had agreed to accept such sums as a penalty-free payment of principal; provided, however,
that the Holder of this Note may, at any time and from time to time, elect, by notice in writing to the Company, to waive, reduce,
or limit the collection of any sums in excess of those lawfully collectible as interest rather than accept such sums as a prepayment
of the outstanding principal balance. It is the intention of the parties that the Company does not intend or expect to pay nor
does the Holder intend or expect to charge or collect any interest under this Note greater than the highest non-usurious rate
of interest that may be charged under applicable law.

 

11.
Binding Effect. This Note shall be binding upon the Company and the successors and assigns of the Company and shall inure
to the benefit of Holder and the successors and assigns of Holder.

 

12.
Severability. In the event any one or more of the provisions of this Note shall for any reason be held to be invalid, illegal,
or unenforceable, in whole or in part, in any respect, or in the event that any one or more of the provisions of this Note operates
or would prospectively operate to invalidate this Note, then and in any of those events, only such provision or provisions shall
be deemed null and void and shall not affect any other provision of this Note. The remaining provisions of this Note shall remain
operative and in full force and effect and shall in no way be affected, prejudiced, or disturbed thereby.

 

13.
Assignability. Holder may from time to time sell or assign, in whole or in part, or grant participations in this Note and/or
the obligations evidenced hereby (separate from or including any of the Warrants described herein, in Holders discretion), subject,
however, to first obtaining the Company’s written consent, which consent shall not be unreasonably withheld, conditioned
or delayed. The holder of any such sale, assignment or participation, if the applicable agreement between Holder and such holder
so provides, shall be: (a) entitled to all of the rights, obligations and benefits of Holder (to the extent of such holder’s
interest or participation); and (b) deemed to hold and may exercise the rights of setoff or banker’s lien with respect to
any and all obligations of such holder to the Company (to the extent of such holder’s interest or participation) set forth
herein through paragraph 14 below; in each case as fully as though the Company was directly indebted to such holder.

 

14.
Amendments. The provisions of this Note may be changed only by a written agreement executed by the Company and Holder.

 

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IN
WITNESS WHEREOF, the Company has caused this Note to be executed on and as of the date set forth above.

 

	 	FOOTHILLS
EXPLORATION, INC.,
	 	a Delaware corporation
	 	
	 	By:
    	                             
	 	Name:
    	B.
    P. Allaire
	 	Title:
    	Chief
    Executive Officer

 

[Signature
Page to Promissory Note]

 

    	 	6

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