Exhibit 10.15

Letter Agreement

SPGX corporate letter head

December 31, 2018

Mr. John Leliever

9 Blue Horizon Crescent

Caledon Village, Ontario

L7K 0T9

905-866-896

Goldbar69@hotmail.com

Dear Mr. Leliever:

Re: Sale of Mineral Claims

This letter will confirm our numerous discussions concerning the proposed sale of the following mineral claims (the “ Claims ”) to you, or your nominee, from Sustainable Projects Group Inc. formerly Sustainable Petroleum Group Inc. (“Sustainable”):

Patent Properties (9 claims) Thunder Bay Mining Division

62401-0010 SRO MINING CLAIM TBI 1070 RICKABY AS IN PPA4452●, GREENSTONE

62401-0011 MRO MINING CLAIM TBI 1070 RICKABY AS IN PPA4452●, GREENSTONE

62401-0012 SRO MINING CLAIM TBI 1071 RICKABY AS IN PPA4453; GREENSTONE

62401-0013 MRO MINING CLAIM TBI 1071 RICKABY AS IN PPA4453; GREENSTONE

62401-0014 SRO MINING CLAIM TBI 1072 RICKABY ; GREENSTONE

62401-0015 MRO MINING CLAIM TBI 1072 RICKABY; GREENSTONE

62401-0016 SRO MINING CLAIM TBI 1073 RICKABY●, GREENSTONE

62401-0017 MRO MINING CLAIM TB 11073 RICKABY●, GREENSTONE

62401-0018 SRO MINING CLAIM TBI 1074 RICKABY; GREENSTONE

62401-0019 MRO MINING CLAIM TBI 1074 RICKABY; GREENSTONE

62401-0020 SRO MINING CLAIM TBI 1075 RICKABY AS IN PPA4457; GREENSTONE

62401-0021 MRO MINING CLAIM TBI 1075 RICKABY AS IN PPA4457; GREENSONE

62401-0022 SRO MINING CLAIM TB 11076 RICKABY; GREENSTONE

62401-0023 MRO MINING CLAIM TB 11076 RICKABY●, GREENSTONE

62401-0024 SRO MINING CLAIM TBI 1077 RICKABY●, GREENSTONE

62401-0025 MRO MINING CLAIM TBI 1077 RICKABY●, GREENSTONE

62401-0026 SRO MINING CLAIM TBI 1078 RICKABY AS IN PPA4460; GREENSTONE

62401-0027 MRO MINING CLAIM TBI 1078 RICKABY AS IN PPA4460●,GREENSTONE

Crown Land Claims (4 claims) Original Claim Format

Rickaby Township

3011563

4211215

3011584

Lapierre Township

4279298

Rickaby new format cell numbers. MNDM has changed the numbering format for claims in Ontario and below are the new cell numbers for the above old format claim numbers

(collectively, the “ Claims ”)

This letter agreement sets forth the terms and conditions of the proposed sale of the Claims, which when accepted by you, will form a binding agreement between the parties.

We will sell and transfer all of our right, title, and interest in the Claims to you as instructed upon delivery to us of (a) the share certificates representing an aggregate 1,052,631 shares in Sustainable (the “Shares”) and (b) the blank stock power of attorney duly signed for the transfer of the Shares in a form acceptable to our transfer agent. Delivery of the Shares and the stock power of attorney will represent full payment for the sale of the Claims.

At closing,

a. You shall deliver to us share certificates 225 and 226 representing the Shares, which we acknowledge receipt of share certificate 226 as previously delivered, and the originally signed and notarized stock power of attorney for share certificates 225 and 226.

b. Upon our receipt of the Shares and the originally signed and notarized stock power of attorney you are authorized to complete the documents for the transfer of the Claims to you as the registered agent of Sustainable in Ontario Canada (the Claim Transfers ”) and you may then proceed to re-register the Claims into your name.

c. Simultaneous with the transfer of the Claims you shall cancel the 3.0% net smelter return that had been granted to you initially by Workplan Holding Inc., and which was carried forward as a condition of the acquisition of the Claims by us from Workplan Holding Inc., and such cancellation will be acknowledged and confirmed by signing this agreement.

Each of the parties hereby will be responsible for payment of their own costs, expenses and fees (including, without limitation, legal counsel and transfer fees) incurred in connection with the preparation, execution and the consummation of this letter agreement, and any required filings with any regulatory or taxing authority.

This letter agreement will be interpreted in accordance with the laws of the State of Nevada and will enure to the benefit of and be binding upon both parties and their respective heirs, successors and permitted assigns.

All parties agree to sign such further and other deeds and documents, including without limitation, the transfer documents, and to give such further and other assurances as may be necessary to fully implement this letter agreement.

If the foregoing accurately sets forth your understanding of our agreement, please sign this letter agreement where indicated below which will then form a binding agreement between us, subject only to the terms and conditions provided above in this letter agreement.

This agreement may be executed and transmitted by electronic means and will be binding on the parties.

Yours truly,

Exhibit 10.16

Purchase Agreement

Purchase agreement for Falcon Projects AG unlisted shares
(UID: CHE-495.072.046)

between

Sustainable Projects Group Inc.

225 Banyan Blvd, Suite 220

Naples, FL 34102

and

Workplan Holding AG

Gotthardstrasse 3

6300 Zug

The buyer has agreed to purchase Falcon Projects AG, UID: CHE-495.072.046 shares. Both parties agree to the following:

Workplan Holding AG | Gotthardstrasse 3 | CH-6300 Zug | info@workplan.ch | www.workplan.ch

The payment of the purchase price is to be transferred to the following account:

Sustainable Projects Group Inc.

225 Banyan Blvd, Suite 220

Naples, FL 34102

USA

Bank Info omitted

Workplan Holding AG | Gotthardstrasse 3 | CH-6300 Zug | info@workplan.ch | www.workplan.ch

Exhibit 10.17

Call Option Agreement

call OPTION AGREEMENT

THIS call option AGREEMENT dated as of the 26 ^th day of December, 2018,

BETWEEN:

Sustainable Projects Group Inc. , a company duly incorporated under the laws of Nevada and having its executive office located at 225 Banyan Blvd – Suite 220, Naples FL 34102, US

(the “ Purchaser” )

AND:

workplan holding AG , a company duly incorporated under the laws of Switzerland and having its executive office located at Gotthardstrasse 3, 6300, Zug, Switzerland

(“ Workplan” )

WHEREAS:

A. Workplan is the registered and beneficial owner of 10 Shares of common stock (the “ Shares ”) in the capital of Falcon Projects AG. (the “ Company ”), free and clear of all liens, charges, encumbrances, claims, rights or interests of any person; and

B. Workplan wishes to grant a call option to the Purchaser to acquire the Shares from Workplan pursuant to the terms and conditions of this agreement;

NOW THEREFORE, THIS AGREEMENT WITNESSES that in consideration of the sum of $10.00 and other good and valuable consideration paid by the Purchaser to Workplan, the receipt and sufficiency of which are acknowledged by Workplan, the parties agree that:

1. Workplan grants to the Purchaser an irrevocable call option to purchase up to a maximum of four Shares at the price of $1,100.00 per Share (the “ Option ”). Subject to Section 2, the Option may be exercised at any time between March 1, 2019 and September 30, 2020, inclusive (the “ Option Period ”), after which time the Option will expire and terminate and be of no further force or effect whatsoever.

2. The Option will be exercisable by the Purchaser or their legal personal representatives tendering a notice in writing at the offices of Workplan located at Gotthardstrasse 3, 6300, Zug, Switzerland, specifying the number of Shares being purchased, together with a certified cheque in favour of Workplan in an amount equal to the full purchase price of the number of Shares so specified upon any such exercise of Options as aforesaid. Upon receipt of such notice Workplan will forthwith deliver the Shares for transfer to the Company with instructions to deliver to the Purchaser or his legal personal representatives (or as the Purchaser may otherwise direct in the notice of exercise of Option) a certificate or certificates in the name of the Purchaser or his legal personal representatives (or as the Purchaser may otherwise direct in the notice of exercise of Option) representing in the aggregate such number of Shares as the Purchaser or his legal personal representatives will have then paid for.

3. The Purchaser will have no rights whatsoever as a shareholder in respect of any of the Shares (including any right to receive dividends or other distributors thereon) other than in respect of Shares in respect of which the Purchaser will have exercised his Option and which the Purchaser will have actually taken up and paid for.

4. Workplan represents, warrants and covenants that:

5. Time will be of the essence of this agreement.

6. Any notice that must be given or delivered under this agreement must be in writing and delivered by hand to the address or transmitted by fax and is deemed to have been received when it is delivered by hand or transmitted by fax unless the delivery or transmission is made after 4:00 p.m. or on a non-business day where it is received, in which case it is deemed to have been delivered or transmitted on the next business day. Any payments of money must be delivered by hand or wired as instructed in writing by the receiving party. Any delivery other than a written notice or money must be made by hand at the receiving party’s address.

7. Any amendment or assignment of this agreement must be in writing and signed by the parties.

8. If any provision of this agreement is, illegal or unenforceable under any law, the remaining provisions remain legal and enforceable

9. This agreement is governed by the laws of Florida and must be litigated in the courts of Florida.

10. This agreement enures to the benefit of and is binding upon the parties and their respective heirs, executors, administrators, successors and assigns.

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11. This agreement may be signed in one or more counterparts, each of which when so signed will be deemed an original, and such counterparts together will constitute one in the same instrument.

IN WITNESS WHEREOF the parties have signed this agreement as of the day and year first above written.

Exhibit 10.18

Purchase Agreement

Purchase agreement for SP Group (Europe) AG unlisted shares

(UID: CHE-115.882.574)

between

Sustainable Projects Group Inc.

225 Banyan Blvd, Suite 220

Naples, FL 34102

and

SP Group (Europe) AG

Falkenstrasse 28

8008 Zürich

The buyer has agreed to purchase SP Group (Europe) AG, UID: CHE-115.882.574 shares. Both parties agree to the following:

1. The buyer agrees to purchase

2.  The buyer is aware that securities such as shares are patient capital, and while they are capable of achieving high profit margins, they can also result in a total loss of the initial investment. He/She confirms that the invested capital is neither an essential part of his/her livelihood at present nor will it be urgently required in the foreseeable future.

3. The shares are not restricted or blocked.

4. As exclusive venue of jurisdiction Zurich, Switzerland is agreed.

SP Group (Europe) AG | Falkenstrasse 28 | CH-8008 Zürich | + 41 44 250 98 89 | info@sp-groupag.ch | www.sp-groupag.ch

page 2 of 2

The payment of the purchase price is to be transferred to the following account:

Sustainable Projects Group Inc.

225 Banyan Blvd, Suite 220

Naples, FL 34102

USA

Bank Info omitted

SP Group (Europe) AG | Falkenstrasse 28 | CH-8008 Zürich | + 41 44 250 98 89 | info@sp-groupag.ch | www.sp-groupag.ch

Exhibit 10.19

Call Option Agreement

call OPTION AGREEMENT

THIS call option AGREEMENT dated as of the 26 ^th day of December, 2018,

BETWEEN:

Sustainable Projects Group Inc. , a company duly incorporated under the laws of Nevada and having its executive office located at 225 Banyan Blvd – Suite 220, Naples FL 34102, US

(the “ Purchaser ”)

AND:

SP Group (Europe) AG , a company duly incorporated under the laws of Switzerland and having its executive office located at Falkenstrasse 28, 8008 Zurich, Switzerland

(“ SPG ”)

WHEREAS:

A. SPG is the registered and beneficial owner of 750,000 Shares of common stock (the “ Shares ”) in the capital of SP Group (Europe) AG (the “ Company ”), free and clear of all liens, charges, encumbrances, claims, rights or interests of any person; and

B. SPG wishes to grant a call option to the Purchaser to acquire the Shares from SPG pursuant to the terms and conditions of this agreement;

NOW THEREFORE, THIS AGREEMENT WITNESSES that in consideration of the sum of $10.00 and other good and valuable consideration paid by the Purchaser to SPG, the receipt and sufficiency of which are acknowledged by SPG, the parties agree that:

1. SPG grants to the Purchaser an irrevocable call option to purchase up to a maximum of 250,000 Shares at the price of $0.02 per Share (the “ Option ”). Subject to Section 2, the Option may be exercised at any time between March 1, 2019 and September 30, 2020, inclusive (the “ Option Period ”), after which time the Option will expire and terminate and be of no further force or effect whatsoever.

2. The Option will be exercisable by the Purchaser or their legal personal representatives tendering a notice in writing at the offices of SPG located at Falkenstrasse 28, 8008, Zurich, Switzerland, specifying the number of Shares being purchased, together with a certified cheque in favour of SPG in an amount equal to the full purchase price of the number of Shares so specified upon any such exercise of Options as aforesaid. Upon receipt of such notice SPG will forthwith deliver the Shares for transfer to the Company with instructions to deliver to the Purchaser or his legal personal representatives (or as the Purchaser may otherwise direct in the notice of exercise of Option) a certificate or certificates in the name of the Purchaser or his legal personal representatives (or as the Purchaser may otherwise direct in the notice of exercise of Option) representing in the aggregate such number of Shares as the Purchaser or his legal personal representatives will have then paid for.

3. The Purchaser will have no rights whatsoever as a shareholder in respect of any of the Shares (including any right to receive dividends or other distributors thereon) other than in respect of Shares in respect of which the Purchaser will have exercised his Option and which the Purchaser will have actually taken up and paid for.

4. SPG represents, warrants and covenants that:

a. SPG owns the Shares free of any claim or potential claim by any person and has the authority to transfer the Shares as described in this agreement;

b. SPG has the full power and authority to sign, deliver and perform this agreement. This agreement, when signed and delivered by SPG, constitutes a legal, valid and binding obligation of SPG, enforceable against SPG in accordance with its terms; and

c. during the Option Period it will maintain a sufficient number of Shares to permit the transfer of the Shares to the Purchaser if the Option or any part is exercised.

5. Time will be of the essence of this agreement.

6. Any notice that must be given or delivered under this agreement must be in writing and delivered by hand to the address or transmitted by fax and is deemed to have been received when it is delivered by hand or transmitted by fax unless the delivery or transmission is made after 4:00 p.m. or on a non-business day where it is received, in which case it is deemed to have been delivered or transmitted on the next business day. Any payments of money must be delivered by hand or wired as instructed in writing by the receiving party. Any delivery other than a written notice or money must be made by hand at the receiving party’s address.

7. Any amendment or assignment of this agreement must be in writing and signed by the parties.

8. If any provision of this agreement is, illegal or unenforceable under any law, the remaining provisions remain legal and enforceable

9. This agreement is governed by the laws of Florida and must be litigated in the courts of Florida.

10. This agreement enures to the benefit of and is binding upon the parties and their respective heirs, executors, administrators, successors and assigns.

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11. This agreement may be signed in one or more counterparts, each of which when so signed will be deemed an original, and such counterparts together will constitute one in the same instrument.

IN WITNESS WHEREOF the parties have signed this agreement as of the day and year first above written.