Document:

Exhibit 10.15

 

AGREEMENT
OF LEASE

 

 

BETWEEN

 

 

MORGAN CREEK
PROPERTIES 311 Pty(Ltd)

 

 

Registration
Number: 2019/535043/07

VAT REGISTRATION
NUMBER: 4420184899

 

 

HEREIN REPRESENTED
BY

 

 

HENDRIK
SPOELSTRA

ID Number:
680803 5069 087

 

 

(Hereinafter
referred to as “The LESSOR”)

 

 

and

 

 

PDS Photonica
Holdings South Africa (PTY) LTD

Registration
Number: 2021/701779/07

 

 

HEREIN REPRESENTED
BY

Full Names:
Robert Ainscow

Director

 

Passport Number:
                       (UNITED
KINGDOM)

 

BUSINESS
ADDRESS:

33 Eland
street

Koedoespoort

Pretoria

 

 

(Hereinafter
referred to as “The LESSEE”)

 

    	 	1	Initial  ..............

     

    

 

		1	PREVIOUS AGREEMENTS

 

This agreement
supersedes all previous agreements between Molybdos, in Business rescue, and Morgan Creek properties 311 (Pty) Ltd, rendering all previous
agreements null and void.

 

		2	THE LEASED PREMISES

 

		2.1	The “site” means PORTION 1 OF ERF 113 KOEDOESPOORT, situated at 33 Eland
street, Koedoespoort

 

		2.2	The “building” means the buildings on the site

 

		2.3	The leased premises/ premises means the area set out and more fully described in
Drawing A, B and C consisting of:

 

		2.3.1	- 1400 m2 of the main building, in what is known as 2nd floor,
as per drawing A.

 

		2.3.2	– 250 m2Outbuilding first floor. As per
Drawing B.

 

		2.3.3	– Sole use - Yard space as per drawing as per Drawing
C.

 

		3	AGREEMENT OF LEASE

 

The LESSOR
hereby leases the Leased premises to the LESSEE, which hires the same from the LESSOR, in the ‘as is’ state, including all
improvements and latent defects as per alterations made by Molybdos. The permanent structural improvements, including the air handling
system is the sole property of the LESSOR. The LESSEE is allowed to use these at his own risk, cost and benefit during the lease period.

 

		4	THE COMMENCEMENT AND DURATION OF THE LEASE

 

This lease
shall:

 

		4.1	Commence on:

 

1 October
2021 Building Rental

 

(The Commencement
date)

 

		4.2	All sections of the lease terminate on:

 

31 December
2030

 

(The Expiration
date)

 

		4.3	The Lessee shall receive beneficial occupation of the leased
area on the commencement date.

 

    	 	2	Initial  ..............

     

    

 

		5	DEPOSITS (Payable within seven calendar days from date on signature of the rental
agreement, account as per invoice.)

 

		5.1	Rental deposit: Within seven calendar days from the date upon which the LESSEE signs
this document he shall pay an amount equal to eighteen (18) months of the undiscounted monthly rental, payable in respect of the FIRST
month of the lease period to the LESSOR.

 

The amount
may be utilised by the LESSOR to defray the costs of any breakages or damage done by the LESSEE to or in respect of the premises or to
make up any amount due and payable by the LESSEE whom the LESSEE has failed to pay. As soon as any part of the deposit has been utilised
by the LESSOR, as aforesaid, the LESSEE will be obliged immediately to pay an equivalent amount to the LESSOR so as to ensure that the
LESSOR will at all times be in possession of the full amount of the deposit and the LESSEE shall not be entitled to off-set rental and
cost or any other amounts owing against the deposit.

 

The Lessee
is obliged to top up the deposit annually on date of increase, to amount to an amount equal to 18 months rent calculated on the increased
monthly rental.

 

		5.2	Services:

 

The following
principle regarding deposits will apply for the duration of the contract, as changes are expected i.t.o. the supply of services to the
premises as a whole.

 

		5.2.1	The LESSEE will at all times pre-pay a deposit amount equal
to three months value of his full monthly account for these services.

 

		5.2.2	These deposits will be used to pay the services, after which the LESSEE will be
charged the actual consumption and ‘connection fee/ availability fee/ maximum demand’

 

		5.2.3	The account will be calculated as per the law/regulations
at the time of calculation. If different options are available, it will be at the sole discretion of the LESSOR to determine which option
is most applicable.

 

		5.3	Electricity deposit

 

		5.3.1	A Deposit equal to three month’s total electricity account
will be invoiced. Upon signing of the contract, a conservative estimate will be calculated.

 

		5.3.2	The deposit will be adjusted from time to time to reflect the actual usage. If usage
declines, the refund of the deposit will be done after 12 months’ of constant lower usage.

 

		5.3.3	90 days before the date when the 2.5 MVA supply must be available, the lessee shall
pay a deposit of R 500 000 as deposit for the electricity installation, to be invested in an interest bearing investment in terms of section
78(2) A of the Attorneys Act, for the interest benefit of the LESSEE. This deposit will form part of 9.1.

 

		5.3.4	On the day that the increased electricity supply is switched on and available for
use by the LESSEE

 

The LESSOR
is entitled to retain the deposit for the full period of the lease and upon termination of the lease either by cancellation thereof or
due to effluxion of time the LESSOR shall refund the deposit or any balance thereof to the LESSEE after deduction of any amount for the
aforesaid purposes. No interest shall be payable on the deposit to the Lessee, other than set out above.

 

		5.4	Access card deposit

 

A deposit
will be payable for each access card issued and will be refunded in full upon return of the access card, no interest will be payable on
the deposit.

 

    	 	3	Initial  ..............

     

    

 

		6	RENT

 

Premises

 

The rent
payable by the LESSEE hereunder for the hire of the Leased premises shall, subject to the provision of Annexure “A” be the
following

 

		-	Rental will be payable monthly, in advance as per Schedule 1.

 

Parking

 

		-	The abovementioned Premises rental excludes the rental costs in respect of the parking
bays, of which initial rental shall be charged according to Schedule 1. The number of parking bays rented can be adjusted according to
operational needs with 30 day’s notice and is subject to availability.

 

		-	Parking will be invoiced monthly throughout the rental period.

 

Rental escalation,
all rental:

 

After the
period of annual fixed escalation (7.5%) ending 30 June 2022, the rent will escalate annually on the first day of July. The escalation
will be the calculated average between the “CPI” of the preceding year and 7.5% (fixed).

 

For purposes
for the calculation of the escalation rate “CPI” means the latest available year on year increase in the headline Consumer
Price Index (metropolitan areas, all items) as published in the Statistical Release P0141.1 compiled by Statistics South Africa, or, in
the absence thereof, a similar index nominated by the Lessor‘s auditors.

 

If any dispute
about the escalation rate and its calculation arises, the rate of 7.5 % per annum will apply until the dispute is resolved, after which
the applicable escalation will be applied retrospectively.

 

All rent
and invoiced consumer account payments shall be made to the financial institution stipulated on the monthly VAT invoices.

 

The rental
amount EXCLUDES all consumption and the Lessee will be invoiced for both the fixed cost according the connection type and all metered
consumption including water, electricity, sewerage and waste removal and consumables.

 

Should any
consumer service not be metered at the time of this agreement, the LESSOR is entitled, at any time during the occupation by the Lessee,
to install meterage systems and the Lessee will be obliged to pay the amount due for consumption.

 

    	 	4	Initial  ..............

     

    

 

		7	Electricity supply:

 

In principle
it is agreed that the LESSOR can recover, in advance, all costs arising from the supply of electricity to the LESSEE, whether these costs
have been part of this contract or arise from future legislation or an altered supply dispensation

 

		7.1	Additional dedicated electricity supply (2.5 MVA)

 

		7.1.1	The LESSOR agrees to provide 2.5 MVA connection to the lessee, subject to the terms
and conditions of this clause.

 

		7.1.2	The installation and supply of 2.5MVA electricity can be made available, if requested.
Notice needs to be given, in writing, no less than 4 calendar months before supply is needed.

 

		7.1.3	The LESSEE shall pay a deposit of R 500 000.00 (Five hundred thousand rand), 90
(Ninety)days before commencing with the installation of the dedicated 2.5 MVA supply. This deposit for the electrical installation, to
be invested in an interest bearing investment in terms of section 86(4) A of the Legal Practice Act, for the interest benefit of the Lessee.

 

		7.1.4	The LESSOR is entitled to retain the deposit for the full period of the lease and
upon termination of the lease either by cancellation thereof or due to effluxion of time, the LESSOR shall refund the balance of the deposit
(12 months) twelve months after vacation of the premises to the LESSEE after deduction of any amount, including provision for the 12 month
non-use charge of City of Tshwane ( COT and for the aforesaid purposes. No interest shall be payable on the deposit to the Lessee, other
than specified.

 

		7.1.5	The electricity supply will be 3 Phase, 400V, at the bussbars of the transformer
(11 kV – 400 V) transformers at ground level below the rented premises, dedicated to supply the LESSEE.

 

		7.1.6	In consideration for the provision of the infrastructure and dedication of the supply
to the LESSEE of said capacity, the LESSEE is obliged to pay a monthly charge in advance, an amount that is equal to 20% of the maximum
demand charge, as defined by the City of Tshwane or its successor.

 

		7.1.6.1	A discount equal to the charge in 9.1.4.2 will be allowed against the demand charge
of the electricity metered and consumed, with the nett effect that the minimum payable will always be no less than the amount in 7.1.6

 

		7.1.6.2	Said monthly amount will increase in accordance with any changes of the tariffs,
fees, charges and scales of the supplier, as adjusted from time to time (presently City of Tshwane Local authority)

 

		7.1.7	At termination of the lease and vacation of the premises, the LESSEE will be obliged
to pay all charges levied by the municipality/supplier relating to the lessee’s period of occupation, including all charges for
non-use of a for a period of twelve months after the premises have been vacated.

 

		7.1.8	Should the LESSEE be of the opinion that the charges of the municipality is invalid
or unlawful, the LESSEE will obliged to pay such charges in full to the attorney of the LESSOR to hold in trust for the interest benefit
of the successful party, until a court or arbitrator, as the case may be, has decided on the validity of the charges of the municipality/
supplier.

 

		7.1.9	The LESSEE agrees to indemnify the Lessor in regard to the legal costs of any dispute
against the municipality relating to the electricity arrangements set out in this paragraph.

 

		7.1.10	The LESSEE accepts all terms and conditions of the supply of electricity by the
City of Tshwane and its’ successor in title (herein referred to as the municipality) and the Lessor as if the agreement has been
entered into between the Lessee as an individual user and the municipality. The LESSEE acknowledges that the provision of electricity
is subject to the municipality’s practices, tariff changes, legislation and regulations and the application thereof. The LESSEE
releases the LESSOR from his obligation to provide the electricity as set herein, should the municipality fail to deliver or limit availability
or capacity.

 

    	 	5	Initial  ..............

     

    

 

		8	USE OF PREMISES

 

The premises
are let for the purpose of being used for running a molybdenum processing plant where gaseous molybdenum compound will be treated. The
process comprises several stages of compression and expansion during which the product is purified. The premises will be used for the
above and business related to the process and for no other purpose whatsoever, without the prior written consent of the LESSOR, which
consent shall not be unreasonably withheld. The LESSOR does not warrant that the premises are fit or suitable for the said purpose. The
premises are hereby let to the LESSEE voetstoots.

 

		9	DOMICILIA AND NOTICES

 

		9.1	The LESSOR chooses its “domicilium citandi et executandi” for all purposes hereunder at:

 

Morgan Creek
management offices, 33 Eland Street, Koedoespoort, Pretoria, South Africa

 

		9.2	The LESSEE chooses its “domicilium citandi et executandi” for all purposes hereunder at

 

The premises
as described in 2.3

 

		9.3	Any notices given in terms of this lease shall be given in writing, or shall be delivered by hand to the
respective address provided for in this clause, and shall be deemed to have been received by the addressee on the date of delivery, or
on the second business day after posting, as the case may be.

 

		9.4	The LESSOR and the LESSEE shall each be entitled, by fourteen (14) days written notice to the other, to change
the address set out above respectively chosen by each of them.

 

FOR LESSOR :

 

SIGNED AT
PRETORIA ON THIS THE 12 DAY OF OCTOBER 2021

 

	

    AS WITNESSES :     
	

    FOR AND ON BEHALF
    OF :

	 	 
	 

    1...............................

     

     

     
	LESSOR
	2...............................  	          /s/
                                            Hendrik Spoelstra           

     

    Duly authorised to
    act for and on

     

    FULL NAMES : HENDRIK
    SPOELSTRA

     

	 	ID no: 680803 5069 087

 

FOR LESSEE :

 

SIGNED AT PRETORIA ON THIS THE
12 DAY OF OCTOBER 2021

 

	

    AS WITNESSES :     
	

    FOR AND ON BEHALF
    OF :

	 	 
	 

    1...............................

     

     

     
	LESSEE
	2...............................  	          /s/ Robert Ainscow           

     

     

    FULL NAMES: Robert
Donald Ainscow

 

Duly authorised
to act for and on behalf of the LESSEE

 

    	 	6	Initial  ..............

     

    

 

RESOLUTION
- LESSEE

 

We,

 

......................................................
ID No .....................................

 

and

 

......................................................
ID No .....................................

 

The Director/s
of the Company of :

 

 

 

 

		.......................................................................................................................................	

 

 

 

Registration
Number : ..................................................................................

 

 

do hereby
certify that :

 

On ..............................2021
the Director/s of the Company passed a resolution in the following terms : “RESOLVED that the Company enter into an agreement with
MORGAN CREEK PROPERTIES 311 CC substantially in the form of the LEASE and the annexure thereto submitted to the Director/s of the Company
and that any one of the Directors by authorised to execute the LEASE and any other documents that may be necessary to give effect thereto.

 

		(a)	This is the LEASE that was submitted to the Directors of the Company.

 

		(b)	It was agreed by the Directors that

 

.....................................................................................................
ID No ................................................................................................................
will be

 

authorised
to sign all documentation relevant to leasing the property specified in clause (a).

 

....................................
 ....................................

 

DIRECTORS

 

    	 	7	Initial  ..............

     

    

 

ANNEXURE “A”

 

		1	COMMENCEMENTS AND DURATION OF LEASE

 

		(1)	The LESSEE herewith indemnifies and holds the LESSOR harmless
against any claim by any third party in respect of any liability relating to or arising out of the occupation by Molybdos, the business
rescue of Molybdos or any transaction arising from Molybdos or its business rescue.

 

		(2)	Should any such claim be made against the LESSOR, the LESSEE will be obliged to
settle or defend such claim together with all costs connected therewith.

 

		(3)	Should any dispute arise as to when the Leased premises are in fact ready for occupation
or as to the commencement date of this LEASE, the decision of the LESSOR architect in regard to such a dispute shall be final and binding
on all the parties.

 

		(4)	The “commencement date” and ‘termination date’ shall mean
the dates referred to in 4 in the lease agreement

 

		2	RENT

 

		(1)	The rental of Phase 1 as set out in Annexure A, is payable on or before 1 October
2021.

 

		(2)	Thereafter the monthly rental payable in terms of this LEASE shall be payable monthly
in advance, without deduction before, or on the first day of each calendar month.

 

		(3)	The LESSOR shall be entitled to appropriate any payment received from the LESSEE
to any part or portion of the Lessee’s indebtedness to the LESSOR in terms of this lease agreement, particularly in the event that
the LESSEE falls into arrears with any amount of whatsoever nature due and owing by the LESSEE to the LESSOR. The LESSOR shall be entitled
to appropriate any such payment to whatever amount is due and owing by the LESSEE to the LESSOR, which appropriation shall be in the LESSOR’s
sole discretion and without prejudice to any of the LESSOR’s rights in terms of this agreement.

 

		(4)	In the event that the LESSEE’s lease agreement expires and the LESSEE remains
in occupation of the premises, the LESSEE’s lease shall be on a three-monthly tenancy in the sole discretion of the LESSOR, and
the LESSEE shall be bound to the terms and conditions of this written lease agreement save that the LESSEE tenancy shall be on a THREE
MONTHLY basis.

 

    	 	8	Initial  ..............

     

    

 

		3	ASSESSMENT RATES

 

This
clause shall become effective when an increase from the local or other responsible authority increases percentage wise more than the annual
percentage increase of the rent. 

 

The LESSOR
shall pay the property rates, which may be levied by the CITY COUNCIL and/or any other lawfully constituted Authority. The LESSEE shall
pay to the LESSOR, in addition to the rental payable hereunder, immediately upon demand therefore an amount equal to that portion of the
rates which increased more than the annual increase of the rent as set out in clause 5 of the lease agreement. This additional amount
will be added to the rent and will be in proportion to the Lessee’s share of the total rentable area in respect of the whole property
when fully let.

 

		4	LOCAL AUTHORITY CHARGES AND REGULATIONS

 

The rental
specified in clause 5 of the Lease Agreement is a gross rental and the Lessee will, other than being liable for payment as set out in
this paragraph, only be responsible for the share of increases due his presence and business’ operation

 

		(1)	The LESSEE shall pay on demand to the LESSOR or to the local authority, as the LESSOR
may require, the costs of all –

 

		4.1.1	water consumed in the premises, as allowed by the laws and regulations, in addition
to the payments for electricity as set out in the special conditions of the lease agreement

 

		4.1.2	Sanitary / sewage fees which is calculated directly in proportion to the water consumed,
referred to in 4.1.1 and

 

		4.1.3	refuse removal costs due to the presence and business operation of the lessee in
respect of the premises.

 

		4.1.4	Should any amount referred to in Clause 4.1 be levied or assessed in respect of
the building as opposed to the premises, the LESSEE shall pay a pro-rata share of the amount levied or assessed in respect of the building,
calculated at the election of the LESSOR, according to –

 

		(2)	The ratio between the rental payable for the time being by the LESSEE for the premises
and the total rental payable for the time being to the LESSOR by all the Lessees of the building

 

		4.2.1	The ratio between the area of the premises for the time being and the total area
of the building occupied or capable of being occupied for the time being by Lessees.

 

		(3)	In the event that the LESSEE fails to pay for electricity consumed within seven
(7) days of demand to effect payment, the LESSOR shall be entitled to claim any damages of whatsoever nature from the LESSEE in this regard.

 

    	 	9	Initial  ..............

     

    

 

		5	OPERATING COSTS

 

This
clause shall become effective when the increase in operating cost increases percentage wise more than the annual percentage increase of
the rent. 

 

The rental
specified in clause 5 of the Lease Agreement is a gross rental, excluding consumer charges as set out in paragraph 4 

 

Here
off, and the Lessee will only be responsible for the pro-rata share of increases. 

 

		(1)	Operating costs means all costs, charges, expenditure, and other outgoing reasonably
incurred by the LESSOR in managing and/or operating the building (including, but not limited to lifts, escalators, plant and machinery
therein, the property and generally the whole building and other developments upon the property.

 

		6	MUNICIPAL AND/OR OTHER REGULATIONS

 

The LESSEE
shall be obliged, at his own expense, to comply with all the requirements of all Municipal or other Laws, By-Laws and regulations as well
as requirements from industry specific regulations, directly or indirectly applicable to the leased premises or to the type of business
conducted therein by the LESSEE and the LESSOR shall not be called upon at any time to comply with any such requirements.

 

		7	INSURANCE

 

		7.1	The LESSEE agrees to provide to the LESSOR confirmation from
the Department for Agriculture and Rural Development that the activity of the company does not carry a statutory requirement for an Environmental
Authorisation from the Department.

 

		7.2	Notwithstanding there being no statutory requirement, the
LESSEE is obliged to, within 120 days of taking occupation, and before the plant can be operated, obtain and present to the LESSOR a
detailed insurance risk assessment, including an environmental risk assessment by a specialised risk assessor, which has to be pre-approved
by the LESSOR in writing, such approval not to be unreasonably withheld.

 

		7.3	Failure to obtain detailed insurance risk assessment within
the allotted period would prohibit the LESSEE from continuing operations until such requirements have been met.

 

		7.3	The LESSEE shall pay the assessment costs, and any modifications, structural or otherwise, the assessor
may indicate that to mitigate risk.

 

		7.4	The LESSEE shall pay on presentation of the invoice pay all the insurance costs relating to the risks
of the specialised policy and the costs relating to an increase in the all-risk policy of the complete building. The LESSEE shall have
the interest of the LESSOR recorded in the insurance policy and provide proof of such notice to the LESSOR.

 

		7.5	The LESSEE shall pay an amount equal to any excess amount payable in terms of the specialised insurance,
as a separate deposit, to be held by the LESSOR as security against any insurance claim.

 

		7.6	The LESSEE shall not store nor permit the storage of any article or do anything upon the Leased premises,
which may result in an increase in the Fire Insurance Premium payable on the leased premises or whereby the LESSOR Fire Policy over the
leased premises may be rendered void or endangered.

 

		7.7	The LESSOR shall be responsible for the payment of the insurance premiums in respect
of normal risks covering the buildings, such Insurance to be effected with any Company, which the LESSOR may determine. Any increase or
loading of the premium payable on any such policy by virtue of any operations undertaken by the LESSEE, or arising in any other way by
virtue of the LESSEE occupation of the premises shall be borne by the LESSEE and shall be paid by the LESSEE to the LESSOR within seven
(7) days of being notified in writing of such amount.

 

		7.8	The LESSEE shall insure any plate glass on the leased premises.

 

		7.9	The LESSEE agrees that all insurance, which the LESSEE has
insuring any of the LESSEE property or property of others in the LESSEE possession or under the LESSEE’s control, shall contain
at all times a waiver of the rights of subrogation against the LESSOR.

 

    	 	10	Initial  ..............

     

    

 

		8	LIABILITY OF LESSOR

 

		8.7	The LESSEE shall not under any circumstances have any claim or right of action,
whatsoever against the LESSOR for damages, loss or otherwise, nor shall it be entitled to withhold or defer payment of rent, by reason
of :

 

		8.7.1	the leased premises being in a defective condition or falling into disrepair, or
any particular repairs not being effected by the LESSOR, within a period of six months from date of demand, or

 

		8.7.2	Any failure or interruption in the lift service, the supply of water, gas, electricity,
heating, telephone, Post Office, the cleaning services (if any), or any other amenities

 

In or to
the leased premises whether such failure or interruption arises from the negligence of the LESSOR, the LESSOR servants, vis major, causes
fortuitous or any other cause whatsoever.

 

		8.8	the LESSOR shall not be responsible for any damage to or the loss of any stock,
furniture, equipment or other effects, possessions or articles kept in the leased premises (whether in the PROPERTY of the LESSEE or that
of anyone else) by rain, hail, lightning or fire, or by reason of riot, political strikes, or as a result of theft or burglary, with or
without forcible entry, or through any other cause whatsoever unless caused directly by the LESSOR, nor shall the LESSOR be responsible
for any personal injury which may be sustained in or about the leased premises by any of the directors, servants, employees, agents, customers
or invitees of the LESSEE or any occupant of the leased premises or any other person, whomsoever.

 

Whether the
person so injured or any dependant of any such injured person, howsoever such injury may be caused, nor shall the LESSOR be responsible
for the death, howsoever caused, of any such person occurring in the leased premises, whether to dependants or otherwise. The LESSEE hereby
indemnifies the LESSOR against any claim of whatsoever nature that may be made against the LESSOR in respect of the loss of, or damage
to anything contained in the leased premises, and such indemnity shall be fully effective notwithstanding that between the LESSOR and
any claimant in question, the LESSOR is liable to such claimant in respect of his claim. All the provisions of this clause shall apply
and be fully operative, notwithstanding that any loss, damage, loss of life or injury hereinbefore referred to may occur or be sustained
in consequence of anything done or omitted by the LESSOR or any of its directors, servants, employees or agents.

 

		9	EXCLUSION OF LIABILITY

 

Neither the
LESSOR nor any of its directors, agents, employees or servants shall be liable for personal injury to, or the death of any person, or
loss of, or damage to any property of whatever nature in the premises, or in the building, or on the property, however arising or caused.

 

The LESSEE
hereby indemnifies the LESSOR and its directors, agents, employees or servants against any claim of whatever nature, which may be made
against any of them arising out of any of the foregoing occurrences.

 

    	 	11	Initial  ..............

     

    

 

		10	ALTERATIONS TO PREMISES

 

		10.7	Save as set forth elsewhere in the LEASE, the LESSEE shall not make any alterations
or additions of any nature whatsoever to the exterior, roof or interior of the building or the leased premises without the LESSOR prior
written consent and shall not at any time have any claim against the LESSOR for improvements effected to the leased premises or the building.

 

		10.8	The LESSEE shall not make any non-structural alterations or additions to the interior
of the leased premises without the LESSOR prior written consent, which shall not be unreasonably withheld.

 

		10.9	If consent is given by the LESSOR in terms of 10.1 or 10.2 then during the currency
of this lease or any extension thereof, such alterations or additions shall not be removed or altered by the LESSEE, and upon the expiration
or earlier termination of the LEASE :

 

If the LESSEE
is required to do so by the LESSOR in writing, within 30 (thirty) days of that expiration or termination, the LESSEE shall remove the
said alterations or additions and reinstate the building and/or the leased premises in question, at the LESSEE cost, to their same condition
(fair wear and tear excepted) prior to the carrying out of such alteration or additions, and if the LESSEE fails to do so after notice
as aforesaid, the LESSOR shall be entitled to remove the said alterations or additions and reinstate the building and/or the leased premises
as aforesaid at the LESSEE cost.

 

Notwithstanding
the aforementioned, the LESSOR shall be entitled to insist in the LESSOR’s sole discretion that the LESSEE restore the premises
to the condition of a bare shell at the LESSEE’s cost, upon termination of this lease agreement or the LESSEE’s vacation of
the premises.

 

		10.9.1	If the LESSOR does not exercise its right in terms of 10.3, the said additions or
alterations shall not be removed by the LESSEE, but shall become the LESSOR property and no compensation therefore shall be paid by the
LESSOR.

 

		10.10	In the event of any dispute arising as to whether any alteration or addition is
structural, non-structural or merely a fixture or fitting, a certificate of any architect appointed by the LESSOR shall be final and binding
on both the LESSOR and the LESSEE.

 

		10.11	If the LESSEE effects any alterations and additions to the building or the leased
premises without the LESSOR prior written consent, the LESSOR shall be entitled to deem that such consent has not been given and to exercise
its rights in terms of 10.3.

 

		10.12	If the LESSEE is obliged by the LESSOR to remove any alterations and additions and
reinstate the leased premises and, for the purpose of so doing, the LESSEE remains in occupation of the Leased premises after expiry of
this lease, then the LESSEE shall be liable for the payment of rental in terms of this lease in respect of such period of occupation and
such further damages as may accrue to the LESSOR arising therefrom.

 

		11	FIXTURES AND FITTINGS

 

The LESSEE
shall be entitled, from time to time, to erect in the leased premises, such fixtures and fittings as may be required or necessary for
the carrying on of the LESSEE business, but which shall be:

 

		11.7	In keeping with the general finish of the building.

 

		11.8	Removed by the LESSEE at its cost upon the expiration or earlier termination of
this lease, provided that any damage caused to the leased premises as a result of any such removal shall be made good by the LESSEE at
its cost.

 

		11.9	In the event that the LESSEE has taken occupation of the premises and same were
already fitted with fixtures and fittings, the LESSOR may in its discretion insist that the LESSEE restore the premises to the condition
of a bare shell upon the LESSEE vacating the premises and in the event that the LESSEE fails to do so once requested by the LESSOR, the
LESSOR shall be entitled to recover the costs of re-instating the premises to a bare shell from the LESSEE which costs shall be payable
by the LESSEE to the LESSOR within seven (7) days of due and proper demand having been forwarded by the LESSOR to the LESSEE.

 

    	 	12	Initial  ..............

     

    

 

		12	SIGNWRITING

 

The LESSEE
shall not be entitled to affix any hanging signs, sign writing, advertising or the like to any part of the leased premises without the
prior written approval of the LESSOR, which approval shall not be unreasonably withheld.

 

		13	MAINTENANCE OF INTERIOR

 

		13.7	The LESSEE hereby acknowledges that the leased premises including all sewerage and
drainage systems are rented by the LESSEE in an ‘as is’ state, was inspected by the LESSEE and it shall be the responsibility
of the LESSEE at his own cost and expense, to maintain the interior of the said premises in good order and condition, to replace all windows
or plate glass which may be damaged or broken during his tenancy and also to repair and/or replace all locks, keys, door handles, window
fittings and other interior fittings that may be damaged, destroyed or lost during his tenancy of the leased premises. The LESSEE shall
pay for the replacement of all fluorescent lights, starters, ballasts, and incandescent lamps used in or on the premises. The LESSEE also
agrees to replace at his own cost all electric light globes and fittings used, broken or worn out during the currency of this lease and
shall be responsible for restoring the Leased premises to the LESSOR on the termination of this lease in the same good order and condition,
fair wear and tear only excepted. The LESSEE also agrees to keep the area adjacent to his portion of the premises clean and tidy and free
from refuse and shall not permit persons to loiter in such area.

 

		13.8	The LESSEE, if obliged to paint the interior of the premises in terms of this lease
agreement, or in the event of the LESSEE wishing to paint the leased premises, such painting shall be effected in a proper workmanlike
manner and with good quality paint, providing further that the LESSEE shall not be entitled to paint the interior of the leased premises
so as to substantially alter the colour of any existing paintwork therein unless the consent to do so is first obtained from the LESSOR
in writing.

 

		14	MAINTENANCE OF EXTERIOR

 

The LESSOR
shall keep the exterior of the premises in good order and repair and the LESSEE undertakes and it shall be his duty to notify the LESSOR
in writing of any defects in the exterior of the building which become apparent to him during the period of this lease, in which event
the LESSOR shall remedy the defect within a reasonable time. In any event the LESSOR shall not be responsible for any damage to the property
of the LESSEE by reason of any defect in the premises or from any cause unless caused directly by the LESSOR, including any damage due
to leakage.

 

		15	VALUE ADDED TAX

 

In the event
of value added tax or any other form of tax imposed by the Government or any Regional, Local or other competent Authority, being or becoming
payable by the LESSOR on the rent or any other amount due by the LESSEE in terms of this lease, the LESSEE shall refund to the LESSOR
on demand such tax or other amounts so payable by the LESSOR.

 

		16	NUISANCE

 

The LESSEE
and/or his Agents or servants shall not do nor permit to be done anything in or upon the Leased premises or any part thereof which may
cause or be a nuisance or annoyance, to the Lessees occupying other portions of the LESSOR property or neighbours generally.

 

    	 	13	Initial  ..............

     

    

 

		17	DESTRUCTION BY FIRE

 

In the event
of the leased premises being totally or partially destroyed by fire, riot, vis major or any act of god or by any other cause whatsoever,
this lease shall for such reason not terminate, but the LESSEE shall be entitled to an agreed rebate of rent during the repair of the
building or the rebuilding, as the case may be, proportionate to the LESSEE’S beneficial occupation of the premises, unless such
fire has occurred through his or his servant’s negligence when no rebate of rent will be allowed or claimable, the onus of proof
of negligence to lie with the LESSOR.

 

In the event
of a dispute arising between the LESSOR and the LESSEE as to the rebate of rent, or the availability for beneficial occupation, same shall
be determined by submission to The South African Institute of Valuers, for arbitration by two independent members appointed by the Chairman
of the Branch, who decision the parties agree to accept. The LESSEE shall not have any claim on the LESSOR for damages in consequence
of any deprivation, the LESSOR at all times having the right to elect whether he shall rebuild or not and he shall give written notice
of his intention to the LESSEE within one (1) month after such occurrence, and should he fail to do so, then he shall be deemed to have
elected not to erect the building, in which case this lease shall terminate upon the expiry of such period of one (1) month. In the event
however of the LESSOR restoring the property or rebuilding the same, he shall give the LESSEE the same accommodation the LESSEE had under
this LEASE. Should the LESSOR decide to rebuild or restore the property, he shall be obliged to commence and complete the work as quickly
as reasonably possible.

 

		18	INSPECTIONS

 

The LESSOR
or his Agents shall be entitled during working hours and on 24 hour notice to the LESSEE to enter upon and inspect the Leased premises
or any portion thereof, subject to an orderly arrangement of these inspections without putting the trade secrets or terms of operational
permits of the LESSEE at risk. In the event of any damage having been caused to the Leased premises for which the LESSEE is responsible
under LEASE, to call upon the LESSEE to repair such damage. In default of the LESSEE effecting such repairs within fourteen (14) days
after receiving such notice, the LESSOR may himself effect the repairs and charge the LESSEE with the cost thereof.

 

		19	“FOR SALE” and “TO LET” SIGNS

 

The LESSOR
shall be entitled to display a “For Sale” sign upon the Leased premises at any time during the currency of this lease and
he may likewise display a “To Let” sign at any time within a period of three (3) months prior to the expiry of this LEASE.
The LESSEE shall permit any intended LESSEE or purchaser to view the Leased premises during working hours and with 24 hours notice to
the LESSEE.

 

		20	CESSIONS AND SUB-LETTING

 

The LESSEE
shall not cede, assign or transfer this Agreement of Lease nor shall he sub-let, assign or part with possession of the Leased premises
or any part thereof without the consent of the LESSOR in writing first being had and obtained, which consent, however, shall not be unreasonably
withheld. It is recorded that a sale of shares in the LESSEE Company shall be deemed to be alienation in terms of this condition.

 

		21	INDULGENCE

 

Any relaxation
or indulgence which the LESSOR may show the LESSEE shall not in any way prejudice his rights under this lease and, more particularly,
no act of the LESSOR in accepting rent after due date or in accepting a lesser sum than the amount of rent due shall be construed as a
waiver by the LESSOR of his rights under this LEASE. In particular no waiver of any fashion whatsoever shall prejudice the Lessor’s
rights in terms of this lease agreement.

 

    	 	14	Initial  ..............

     

    

 

		22	SOLE CONTRACT

 

This Agreement
shall be the whole and only contract between the LESSOR and the LESSEE and the LESSEE acknowledges that no statement, warranties, presentations
have been made to him by or on behalf of the LESSOR other than herein contained. Should any variations be required at any time during
the currency of this lease, such variations shall only be binding on the parties if contained in writing and signed by the LESSOR and
the LESSEE.

 

		23	BREACH OF LEASE

 

Should the
LESSEE:

 

		23.7	fail to pay any amount due by it in terms of this lease on due date, or

 

		23.8	commit any other breach of any condition of this lease, whether such breach goes
to the root of this contract or not, and fail to remedy that breach within a period of 7 (seven) days after the giving of written notice
to that effect to it by the LESSOR (provided that should that breach be one which is not reasonably capable of being remedied within the
said period of 7 (seven) days, then the LESSEE shall be allowed such addition period as is reasonably require therefore, breach of any
of the conditions of the lease and thereafter again breach any condition of the lease (whether the same condition or not) within a period
of 12 (twelve) months after the earlier breach aforesaid, or

 

		23.9	commit any act of insolvency, then and in any of such events, the LESSOR shall,
without prejudice to its right to damages or to its right to eject the LESSEE from the Leased premises or to any other claim of any nature
whatever that the LESSOR may have against the LESSEE as a result thereof –

 

		(i)	Be entitled to cancel this lease, or

 

		(ii)	In the case of sub-clause (b) hereof, to remedy such breach and immediately recover
the total cost incurred by the LESSOR in so doing from the LESSEE.

 

		24	While the LESSEE remains in occupation of the Leased premises and irrespective of
any dispute between the parties, including, but not being restricted to a dispute as to the LESSOR right to cancel this lease, then –

 

		(i)	The LESSEE shall continue to pay all amounts due to the LESSOR in terms of this
lease on the due dates of the same.

 

		(ii)	the LESSOR shall be entitled to recover and accept those payments.

 

		(iii)	The acceptance by the LESSOR of those payments shall be without prejudice to and
shall not in any manner whatsoever affect the LESSOR claim to cancellation of this lease or for damages of any other nature whatsoever.

 

		(iv)	Should dispute between the LESSOR and the LESSEE be determined in favour of the
LESSOR, then the payments made to the LESSOR in terms of this sub clause shall be regarded as amounts paid by the LESSEE on account of
the loss and/or damages sustained by the LESSOR as a result of the holding over by the LESSEE of the Leased premises.

 

In the event
of the LESSOR instructing its Attorney to take measures for the enforcement of any of the LESSOR rights under this lease, the LESSEE shall
pay to the LESSOR such collection charges and other legal costs, on an attorney and own client basis, as shall be lawfully charged by
such attorneys to the LESSOR.

 

    	 	15	Initial  ..............

     

    

 

		25	JURISDICTION AND ALTERNATIVE DISPUTE RESOLUTION

 

The LESSEE
consents in terms of Section 45 of Act 32 of 1944 (or any amendments or substitutions thereof) to the LESSOR taking steps for the eviction
of the LESSEE.

 

In regard to any
other dispute arising from or in connection with this contract shall be finally resolved with the Rules of the Arbitration Foundation
of Southern Africa by an Arbitrator appointed by the Foundation.

 

The parties
agree to submit to the rules for domestic arbitration South Africa of the ARBITRATION FOUNDATION SOUTH AFRICA https://arbitration.co.za/domestic-arbitration/commercial-rules/
in terms of legal proceeding for enforcing any of his rights under this Agreement of Lease for recovery of any monies claimable under
this lease or otherwise.

 

		26	SEWERAGE SYSTEM

 

In regard
to the sewerage system, it is a condition of this lease that only standard toilet paper will be used in the toilets and the LESSEE will
be held responsible for any blockage caused by its employees to the sewer pipes which attributable to the misuse of the system.

 

		27	VACANT POSSESSION

 

At the termination
of this lease the LESSEE agrees that he will give up vacant possession of the Leased premises to the LESSOR.

 

		28	FLOOR LOADING

 

The maximum
floor loading capacity of the Leased premises is 450 Kilograms per square metre and the LESSEE undertakes that machinery and/or goods
to be stored or stacked in the Leased premises will not exceed this floor loading capacity.

 

		29	COSTS OF LEASE

 

The LESSEE
shall pay the entire expenses incidental to and in connection with the preparation and execution of this lease and any renewal thereof,
if applicable.

 

		30	VENTILATION / AIR CONDITIONING

 

All ventilation
equipment currently installed is included in the rental. All costs related to running, maintenance and upgrading is for the account of
the LESSOR.

 

All improvements
to the air conditioning system will remain the property of the LESSOR at the expiry of the lease agreement.

 

    	 	16	Initial  ..............

     

    

 

		31	LICENCES

 

		(a)	The LESSOR does not warrant or represent, the Leased premises are fit for the purpose
of the business to be conducted in terms of this LEASE.

 

		(b)	There shall be no obligation or responsibility on the LESSOR to perform any work
or to make any alterations to the premises so that the premises comply with such provisions as may be required by any authority for the
issue of a licence, permit or any other authority to the LESSEE.

 

		(c)	The LESSEE shall be liable for obtaining all necessary permits, licences, authorities,
or other consents in respect of the conduct of the LESSEE business in the Leased premises. Any failure howsoever arising to obtain, keep,
or renew such permits, licences, authorities or consents during the currency of this lease shall not constitute a ground for cancellation
of this LEASE.

 

		32	INTEREST ON LATE PAYMENT

 

Should any
amount due by the LESSEE in terms of this LEASE, whether in respect of rental or otherwise, not be paid on due date, such amount will
bear interest at the rate of interest charged from time to time by ABSA Bank in respect of overdraft facilities plus 5 %. Interest will
accrue on the unpaid amount from the date on which payment was due until payment is made and the interest will be due and payable upon
its accrual, which interest will be calculated daily.

 

All costs
incurred in the collection of any amount due by the LESSEE in terms of this LEASE, not paid on due date, shall be for the account of the
LESSEE.

 

		33	LATITUDE

 

In the event
of the LESSOR not immediately enforcing the due or full compliance with all or any of the terms and conditions of this LEASE, or neglecting
to do so, or in the event of an extension of time being granted by the LESSOR to the LESSEE for the observance of any provision hereof,
such failure, neglect or indulgence by the LESSOR will in no way be construed as a novation of this agreement nor will it in any other
way be binding upon the LESSOR.

 

		34	SALE AND/OR TRANSFER OF BUILDING

 

The LESSEE
hereby waives its right of election to terminate this LEASE, or any extension hereof, in the event of the LESSOR selling or transferring
the building in which the premises hereby let are situated, to any third party. The LESSEE further agrees that it shall continue to be
bound by the terms and conditions of this lease upon the sale and/or transfer referred to herein taking place.

 

The lessee
is entitled to register this lease agreement at the Deeds Office at his own cost.

 

    	 	17	Initial  ..............

     

    

 

		35	SECURITY

 

The premises
is being developed as a Techno park and numerous of the tenants develop new technologies, therefore it is required from all tenants to
respect and comply with rules from management regarding security and/or access control.

 

If any person
working for or have access to the lessee’s premises by virtue of association with the LESSEE fail to comply with rules in this regard
or breach the security of other tenants, the management reserves the right to deny such a person access to the premises.

 

The LESSOR
provides, which it shall have no obligation to do and provides no guarantee in this regard, a security service.

 

Currently
it compromises of a single guard on duty, 24 hours, 7 days a week with radio contact with armed mobile reaction units.

 

		35.7	Should the LESSEE have any specific security requirements, only security firms vetted
and found suitable will be allowed on site, access will remain restricted.

 

		35.8	The security company contracted by the LESSOR will be given the opportunity to provide
the same service at the same quoted cost. Unless the company referred to in 37.1 cannot provide such a service at the same cost, the tenant
will use the LESSOR’s preferred security company.

 

		35.9	In the event of the LESSOR installing a security system, and/or security guards
for controlled access and/or protection of the building in which the Leased premises are situated, before, during or after normal business
hours or during weekends and public holidays, the LESSEE will be obliged to co-operate therewith in a way that the LESSOR regards as reasonable
and suitable for the building.

 

		35.10	The LESSEE undertakes to co-operate in all firefighting, fire preventing and evacuation
exercises that may be necessary from time to time.

 

		36	ACCESS CONTROL

 

		36.7	The main building does have an access control system which control access to restricted
areas and improves the general security of the building

 

		36.8	All employees of the LESSEE must comply with the rules of the LESSOR

 

		36.9	Photos must be provided for all access card carrying persons associated with the
lessor.

 

		36.10	Employees will have limited access to the building after normal working hours.

 

		36.11	The LESSEE will have full access control of the leased premises, except access required
in terms of safety regulations eg. fire escape

 

		36.12	Should any operational specific, access needs exist, it can be arranged with building
management, provided it does not effect the security the total premises negatively.

 

    	 	18	Initial  ..............

     

    

 

		37	PEST CONTROL

 

The LESSEE
shall pay, on demand, to the LESSOR the costs in regard to the control and extermination of any pests and other infestations on the Leased
premises, which may cause a health hazard. If more than one LESSEE occupy the building, the costs thereof shall be borne on a pro rata
basis by the LESSEE and shall it be determined according to the following formula :

 

LESSEE SHARE
= m2 LEASED PREMISES X 100 = %

 

SHARE

 

TOTAL m2 OF BUILDING                           COSTS

 

The LESSOR
shall be entitled to inspect the Leased premises at all reasonable times for this purpose and the LESSEE shall grant the LESSOR access
to the Leased premises to exercise such pest control and/or extermination thereof.

 

		38	BUILDING CLAUSE

 

		38.1	After the initial twenty four (24) months of the lease, the Landlord may terminate
this lease or any renewal thereof by giving the Tenant twelve (12) months written notice to such effect should the Landlord wish to demolish
the premises ore reconstruct of redevelop the premises.

 

		38.2	The Landlord shall, however, have the right at any time to commence the reconstruction
and/or redevelopment and/or renovation of the building, other than the premises and these operations may proceed while the Tenant is in
occupation of the premises.

 

		38.3	The Landlord is entitled to access all service shafts forming part of the premises
for purposes of reconstruction and/or redevelopment and/or renovation of the building.

 

		38.4	Notwithstanding the implementation of any work as contemplated in point 2 above,
the Tenant shall have no right to object to such work or to claim any rebate of rental during the period in which said work may be in
progress nor shall the Tenant have any claim for damages of whatsoever nature by reason of the earlier termination of this lease.

 

		38	CONSENT CLAUSE

 

The Tenant
hereby consents that, and authorises the Landlord or agent to, at all times:

 

		(a)	Contact, request and obtain information from any credit provider (or potential credit
provider) or registered credit bureau relevant to an assessment of the behaviour, profile, payment patterns, indebtedness, whereabouts,
and creditworthiness of the Tenant ;

 

		(b)	Furnish information concerning the behaviour, profile, payment patterns, indebtedness,
whereabouts, and creditworthiness of the tenant to any registered credit bureau or to any credit provider (or potential credit provider)
seeking a trade reference regarding the tenant’s dealings with the Landlord.

 

    	 	19	Initial  ..............Exhibit 10.16

 

SUBSCRIPTION AGREEMENT ASP
ISOTOPES INC.

 

THE SHARES HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933 OR THE SECURITIES LAWS OF ANY STATE OR ANY OTHER JURISDICTION. THERE ARE FURTHER RESTRICTIONS ON THE
TRANSFERABILITY OF THE SHARES DESCRIBED HEREIN.

 

THE PURCHASE OF THE SHARES INVOLVES
A HIGH DEGREE OF RISK AND SHOULD BE CONSIDERED ONLY BY PERSONS WHO CAN BEAR THE RISK OF THE LOSS OF THEIR ENTIRE INVESTMENT.

 

ASP Isotopes Inc., a Delaware corporation
(hereinafter the “Company”), and the undersigned (hereinafter the “Subscriber”) agree as follows:

 

WHEREAS:

 

A. The Company desires to issue up to 3,000,000 shares of common stock of the Company, par value $0.01 per
share (the “Common Stock”), at a price of $2.00 per share, in a “private placement” to persons who
qualify as “accredited investors” (as that term is defined in Rule 501(a) of Regulation D promulgated under the
Securities Act of 1933, as amended (the “Securities Act”), which is exempt from registration under the Securities
Act; and

 

B. Subscriber
desires to acquire that number of shares as is set forth on the signature page hereof (hereinafter the “Shares”) at the
purchase price set forth herein.

 

NOW, THEREFORE, for and in
consideration of the premises and the mutual covenants hereinafter set- forth, the parties hereto do hereby agree as follows:

 

SUBSCRIPTION

 

1.1 Subject
to the terms and conditions hereinafter set forth, the Subscriber hereby irrevocably subscribes for and agrees to purchase the Shares
from the Company at a price equal to $2.00 per share, and the Company agrees to sell the Shares to Subscriber in consideration of said
purchase price.

 

1.2 The
purchase price for the Shares subscribed to hereunder is payable by the Subscriber contemporaneously with the execution and e-mail delivery
of this Subscription Agreement to the Company at paul_mann@btinternet.com. Payment shall be made by to the Company by certified check
or bank draft.

 

If you wish to wire your subscription
funds, please contact the Company for further instructions. If you wish to send a certified check please contact the company for further
instructions.

 

REPRESENTATIONS AND WARRANTIES
BY SUBSCRIBER

 

	2.1	Subscriber hereby acknowledges, represents and warrants to the Company the following:

 

		(A)	Subscriber acknowledges that the purchase of the Shares involves
a high degree of risk and that the Company will require substantial additional funds to finance its operations, which may not be available
on acceptable terms, or at all;

 

		(B)	Subscriber has been furnished and has carefully reviewed the Company’s Confidential
Offering Memorandum dated November 8, 2021 (the “Offering Memorandum”). Subscriber has not been furnished any offering literature
other than the Offering Memorandum, and the undersigned has relied only on the information contained therein;

 

    1

     

    

 

		(C)	The undersigned understands and accepts that the purchase of the Securities involves
various risks, including the risks outlined in the Offering Documents (including the “Forward Looking Statements” and “Risk
Factors” sections of the Offering Memorandum). Subscriber acknowledges that there are many other risks that are not detailed in
the Offering Memorandum that could adversely affect the Company and therefore the value of the investor’s investment. Subscriber
recognizes that an investment in the Company is highly speculative and only investors who can afford the loss of their entire investment
should consider investing in the Company and the Shares. Subscriber represents that Subscriber is able to bear any loss associated with
an investment in the Shares;

 

		(D)	Subscriber has such knowledge, skill and experience in business, finance, securities,
investments, including investment in unregistered securities, so as to be capable of evaluating the merits and risks of an investment
in the Shares. With the assistance of the Subscriber’s own professional advisors, to the extent that the Subscriber has deemed appropriate,
the Subscriber has made its own legal, tax, accounting and financial evaluation of the merits and risks of an investment in the Shares
and the consequences of this Subscription Agreement. The Subscriber has considered the suitability of the Shares as an investment in light
of its own circumstances and financial condition and the undersigned is able to bear the risks associated with an investment in the Shares
and its authority to invest in the Shares;

 

		(E)	Unless allowed to participated in this offering as a non-accredited investor by permission
of the Board of Directors of the Company, the Subscriber is an “Accredited Investor” as defined in Rule 501 of Regulation D
promulgated under the Securities Act;

 

		(F)	Subscriber acknowledges that no public market for the Shares presently exists and,
accordingly, Subscriber may not be able to liquidate its investment;

 

		(G)	Subscriber acknowledges that the shares are subject to significant restrictions
on transfer as imposed by state and federal securities laws, including but not limited to a minimum holding period of at least one (1)
year;

 

		(H)	Subscriber hereby acknowledges (i) that this offering of Shares has not been reviewed
by the United States Securities and Exchange Commission (“SEC”) or by the securities regulator of any state; (ii) that the Shares
are being issued by the Company pursuant to an exemption from registration provided by Section 4(a)(2) of the Securities Act; and (iii)
that any certificate evidencing the Shares received by Subscriber will bear a legend in substantially the following form:
	 	 	 
	 	 	THE
SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED FOR INVESTMENT AND HAVE NOT BEEN REGISTERED WITH THE UNITED STATES SECURITIES
AND EXCHANGE COMMISSION UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR UNDER ANY APPLICABLE STATE SECURITIES LAWS. WITHOUT SUCH REGISTRATION,
SUCH SECURITIES MAY NOT BE SOLD OR OTHERWISE TRANSFERRED AT ANY TIME WHATSOEVER UNLESS IN THE OPINION OF COUNSEL SATISFACTORY TO THE
COMPANY REGISTRATION IS NOT REQUIRED FOR SUCH TRANSFER AND THAT SUCH TRANSFER WILL NOT BE IN VIOLATION OF THE APPLICABLE FEDERAL AND
STATE SECURITIES LAWS OR ANY RULE OR REGULATION PROMULGATED THEREUNDER.

 

    2

     

    

 

		(I)	Subscriber is acquiring the Shares solely for the Subscriber’s own beneficial
account, for investment purposes, and not wiTth a view to, or for resale in connection with, any distribution of the Shares.

 

		(J)	Subscriber is not aware of any advertisement of the Shares or any general solicitation
in connection with any offering of the Shares;

 

		(K)	Subscriber acknowledges receipt and review of both the Certificate of Incorporation
and bylaws of the Company, together with the opportunity and the Company’s encouragement to seek the advice and consultation of
independent investment, legal and tax counsel;

 

		(L)	Subscriber acknowledges and agrees that the Company has previously made available
to Subscriber the opportunity to ask questions of and to receive answers from representatives of the Company concerning the Company and
the Shares, as well as to conduct whatever due diligence the Subscriber, in its discretion, deems advisable. Subscriber confirms that
Subscriber is not relying on any information communicated (written or oral) by any representatives of the Company or any of its affiliates,
as investment or tax advice or as a recommendation to purchase the Shares. It is understood that information and explanations related
to the terms and conditions of the Shares shall not be considered investment or tax advice or a recommendation to purchase the Shares,
and that neither the Company nor any of its affiliates is acting or has acted as an advisor to the undersigned in deciding to invest in
the Shares. Subscriber is relying solely upon information obtained during Subscriber’s due diligence investigation in making a decision
to invest in the Shares and the Company.

 

REPRESENTATIONS BY THE COMPANY

 

	3.1	The Company represents and warrants to the Subscriber that:

 

		(A)	The Company is a corporation duly organized, existing and in good standing under
the laws of the Delaware and has the corporate power to conduct the business which it conducts and proposes to conduct.

 

		(B)	Upon issue, the Shares will be duly and validly issued, fully paid and non-assessable
common stock in the capital of the Company.

 

	3.2	The Company agrees that after an initial underwritten offering of the Common Stock pursuant to an effective
registration statement of the Company filed under the Securities Act:

 

		(A)	Whenever the Company proposes to register the offer and sale of any shares of its
Common Stock under the Securities Act (other than a registration (i) pursuant to a Registration Statement on Form S-8 (or other registration
solely relating to an offering or sale to employees or directors of the Company pursuant to any employee stock plan or other employee
benefit arrangement), (ii) pursuant to a Registration Statement on Form S-4 (or similar form that relates to a transaction subject to
Rule 145 under the Securities Act or any successor rule thereto), or (iii) in connection with any dividend or distribution reinvestment
or similar plan), whether for its own account or for the account of one or more stockholders of the Company and the form of Registration
Statement (a “Piggyback Registration Statement”) to be used may be used for any registration of Common Stock (a “Piggyback
Registration”), the Company shall give written notice to the holders of Shares purchased pursuant to this Agreement (“Registrable
Securities”) of its intention to effect such a registration and, subject to Section 3.2(B), shall include in such registration
all Registrable Securities with respect to which the Company has received written requests

 

    3

     

    

 

for inclusion from the holders of
Registrable Securities within 10 days after the Company’s notice has been given to each such holder. The Company may postpone or
withdraw the filing or the effectiveness of a Piggyback Registration at any time in its sole discretion. If any Piggyback Registration
Statement pursuant to which holders of Registrable Securities have registered the offer and sale of Registrable Securities is a Registration
Statement on Form S-3 or the then appropriate form for an offering to be made on a delayed or continuous basis pursuant to Rule 415 under
the Securities Act or any successor rule thereto (a “Piggyback Shelf Registration Statement”), such holder(s) shall have
the right, but not the obligation, to be notified of and to participate in any offering under such Piggyback Shelf Registration Statement
(a “Piggyback Shelf Takedown”).

 

		(B)	If a Piggyback Registration or Piggyback Shelf Takedown is initiated as a primary
underwritten offering on behalf of the Company and the managing underwriter advises the Company and the holders of Registrable Securities
(if any holders of Registrable Securities have elected to include Registrable Securities in such Piggyback Registration or Piggyback Shelf
Takedown) in writing that in its reasonable and good faith opinion the number of shares of Common Stock proposed to be included in such
registration or takedown, including all Registrable Securities and all other shares of Common Stock proposed to be included in such underwritten
offering, exceeds the number of shares of Common Stock which can be sold in such offering and/or that the number of shares of Common Stock
proposed to be included in any such registration or takedown would adversely affect the price per share of the Common Stock to be sold
in such offering, the Company shall include in such registration or takedown (i) first, the shares of Common Stock that the Company proposes
to sell; (ii) second, the shares of Common Stock requested to be included therein by holders of Registrable Securities, allocated pro
rata among all such holders on the basis of the number of Registrable Securities owned by each such holder or in such manner as they may
otherwise agree; and (iii) third, the shares of Common Stock requested to be included therein by holders of Common Stock other than holders
of Registrable Securities, allocated among such holders in such manner as they may agree.

 

TERMS OF SUBSCRIPTION

 

4.1 Upon
acceptance of this subscription by the Company, all funds paid hereunder shall be immediately available to the Company for its use.

 

4.2 Subscriber
hereby authorizes and directs the Company to deliver the securities to be issued to such Subscriber pursuant to this Subscription Agreement
to Subscriber’s address indicated herein.

 

4.3 Notwithstanding
the place where this Subscription Agreement may be executed by any of the parties hereto, the parties expressly agree that all the terms
and provisions hereof shall be construed in accordance with and governed by the laws of Delaware. Exclusive venue for any dispute arising
out of this Subscription Agreement or the Shares shall be the local or federal courts sited in Delaware.

 

4.4 The
parties agree to execute and deliver all such further documents, agreements and instruments and take such other and further action as
may be necessary or appropriate to carry out the purposes and intent of this Subscription Agreement.

 

[remainder of this page
intentionally blank]

 

    4

     

    

 

ACCREDITED INVESTOR
STATUS

 

5.1 ☐ By
checking this box, Subscriber represents and warrants to the Company that the Subscriber is an “Accredited Investor” as
such term is defined in Rule 501 of Regulation D promulgated under the United States Securities Act of 1933, as amended (the
“Act”). The Subscriber acknowledges having reviewed and considered the definition of “Accredited
Investor” attached to this Subscription Agreement.

 

IN WITNESS WHEREOF, this
Subscription Agreement is executed as of the____ day of_________, 2021.

 

	Number of Shares Subscribed For:	 	 
	 	 	 
	Total Purchase Price:	 	 

 

	Individual:	 	 
	 	 	 
	 	 	 
	Signature	 	US Citizen: Social Security #
	 	 	Non-US Citizen: Tax I.D. or ITIN, etc.
	 	 	 
	 	 	 
	Print or Type Full Name	 	 
	 	 	 
	 	 	Address
	Company, Corporation or Other Entity:	 	 
	 	 	 
	 	 	 
	 	 	 
	Print or Type Full Name of Entity	 	Taxpayer I.D. No.
	 	 	 
	 	 	 
	By: Signature	 	 
	 	 	 
	 	 	Address
	 	 	 
	Print or Type Full Name of Signatory	 	 
	 	 	 
	 	 	 
	 	 	 
	Print or Type Title or Position of Signatory	 	 

 

ACCEPTED BY: ASP ISOTOPES
INC.

 

The undersigned hereby accepts the above subscription for
the Shares on behalf of the Company.

 

	Signature of Authorized Signatory:	 	 
	 	 	 
	Name of Authorized Signatory:	Paul Mann	 
	 	 	 
	Date of Acceptance:	 	 

 

    5

     

    

 

Accredited Investor Definition

 

The Subscriber will be an “Accredited
Investor” as such term is defined in Rule 501 of Regulation D promulgated under the United States Securities Act of 1933, as amended
(the “Act”) if the Subscriber is any of the following:

 

(1) Any
bank as defined in section 3(a)(2) of the Act, or any savings and loan association or other institution as defined in section 3(a)(5)(A)
of the Act whether acting in its individual or fiduciary capacity; any broker or dealer registered pursuant to section 15 of the Securities
Exchange Act of 1934; any investment adviser registered pursuant to section 203 of the Investment Advisers Act of 1940 or registered pursuant
to the laws of a state; any investment adviser relying on the exemption from registering with the SEC under section 203(l) or (m) of the
Investment Advisers Act of 1940; any insurance company as defined in section 2(a)(13) of the Act; any investment company registered under
the Investment Company Act of 1940 or a business development company as defined in section 2(a)(48) of that act; any Small Business Investment
Company licensed by the U.S. Small Business Administration under section 301(c) or (d) of the Small Business Investment Act of 1958; any
Rural Business Investment Company as defined in section 384A of the Consolidated Farm and Rural Development Act; any plan established
and maintained by a state, its political subdivisions, or any agency or instrumentality of a state or its political subdivisions, for
the benefit of its employees, if such plan has total assets in excess of $5,000,000; any employee benefit plan within the meaning of the
Employee Retirement Income Security Act of 1974 if the investment decision is made by a plan fiduciary, as defined in section 3(21) of
such act, which is either a bank, savings and loan association, insurance company, or registered investment adviser, or if the employee
benefit plan has total assets in excess of $5,000,000 or, if a self-directed plan, with investment decisions made solely by persons that
are accredited investors;

 

(2) Any
private business development company as defined in section 202(a)(22) of the Investment Advisers Act of 1940;

 

(3) Any
organization described in section 501(c)(3) of the Internal Revenue Code, corporation, Massachusetts or similar business trust, partnership,
or limited liability company, not formed for the specific purpose of acquiring the securities offered, with total assets in excess of
$5,000,000;

 

(4) Any
director, executive officer, or general partner of the issuer of the securities being offered or sold, or any director, executive officer,
or general partner of a general partner of that issuer;

 

(5) Any natural
person whose individual net worth, or joint net worth1 with that person’s spouse or spousal equivalent, exceeds $1,000,000.

 

For these purposes “net worth” means the excess
of:

 

		●	such person’s total assets at fair market value (including all personal and real property, but
excluding the estimated fair market value of such person’s primary residence)
	 	 	 
	 	 	minus
	 	 	 
		●	such person’s total liabilities.

 

 

		1	Note to paragraph (5): For the purposes of calculating
joint net worth in this paragraph (5): joint net worth can be the aggregate net worth of the investor and spouse or spousal equivalent;
assets need not be held jointly to be included in the calculation. Reliance on the joint net worth standard of this paragraph (5) does
not require that the securities be purchased jointly.

    6

     

    

 

For these purposes, “liabilities”:
(1) exclude any mortgage or other debt secured by such person’s primary residence in an amount of up to the estimated fair market
value of that residence; but (2) include any mortgage or other debt secured by such person’s primary residence in an amount in excess
of the estimated fair market value of that residence.

 

(6) Any
natural person who had an individual income exceeded $200,000 in each of the two most recent years or joint income with that person’s
spouse or spousal equivalent exceeded $300,000 in each of those years, and has a reasonable expectation of reaching the same income level
in the current year;

 

(7) Any
trust, with total assets in excess of $5,000,000, not formed for the specific purpose of acquiring the securities offered, whose purchase
is directed by a sophisticated person as described in Rule 506(b)(2)(ii) under the Act;

 

 (8) Any entity in which all of the equity owners are accredited investors;

 

(9) Any
entity, of a type not listed in paragraphs (1), (2), (3), (7), or (8) above, not formed for the specific purpose of acquiring the securities
offered, owning investments in excess of $5,000,000;

 

(10) Any
individual holding in good standing one or more professional certifications or designations or credentials from an accredited educational
institution that the SEC has designated as qualifying an individual for accredited investor status (e.g., Licensed General Securities
Representative (Series 7); Licensed Investment Adviser Representative (Series 65); or Licensed Private Securities Offerings Representative
(Series 82));

 

(11) Any
individual who is a “knowledgeable employee,” as defined in Rule 3c-5(a)(4) under the Investment Company Act, of the issuer
of the securities being offered where the issuer is a private fund (excluded from the definition of investment company in Section 3(c)(1)
or 3(c)(7));

 

 (12) Any “family office,” as defined in Rule 202(a)(11)(G)-1 under the Investment Advisers Act of 1940:

 

		●	with assets under management in excess of $5 million;

 

		●	that is not formed for the specific purpose of acquiring the securities being offered; and

 

		●	whose prospective investment is directed by a person who has such knowledge and experience in financial
and business matters that the family office is capable of evaluating the merits and risks of the prospective investment.

 

(13) Any
“family client,” as defined in Rule 202(a)(11)(G)-1 under the Investment Advisers Act of 1940, of a family office meeting the
requirements above and whose prospective investment in the issuer of the securities being offered is directed by the family office pursuant
to the third sub-bullet above.

 

 

7

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