Document:

Exhibit 10.4

 

SUBSCRIPTION AGREEMENT

 

The undersigned (the “Subscriber”),
desires to become a holder of common shares (the “Shares”) of WELSIS CORP., a corporation organized under the laws of the
state of Wyoming (the “Company”); one share of Common Stock has a par value $0.0001 per share. Accordingly, the Subscriber
hereby agrees as follows:

 

1. Subscription.

 

1.1. The Subscriber hereby subscribes for and
agrees to accept from the Company that number of Shares set forth on the Signature Page attached to this Subscription Agreement (the “Agreement”),
in consideration of $0.03 per share. This offer to purchase is submitted in accordance with and subject to the terms and conditions described
in this Subscription Agreement (the "Agreement"). The Subscriber acknowledges that the Company reserves the right, in its sole
and absolute discretion, to accept or reject this subscription and the subscription will not be binding until accepted by the Company
in writing

 

1.2. The closing of the Subscription of Shares
hereunder (the “Closing”) shall occur immediately upon: (i) receipt and acceptance by the Company of a properly executed Signature
Page to this Agreement; and (ii) receipt of all funds for the subscription of shares hereunder.

 

2. Purchase Procedure. The Subscriber acknowledges
that, in order to subscribe for Shares, he must, and he does hereby, deliver to the Company:

 

2.1. One (1) executed counterpart of the Signature
Page attached to this Agreement together with appropriate notarization; and

 

2.2. A check or a wire transfer payment in the
amount set forth on the Signature Page attached to this Agreement, representing payment in full for the Shares desired to be purchased
hereunder, made payable to the order of WELSIS CORP. to the Company’s bank account.

 

3. Representations of Subscriber. By executing
this Agreement, the Subscriber makes the following representations, declarations and warranties to the Company, with the intent and understanding
that the Company will rely thereon:

 

3.1. Such Subscriber acknowledges the public availability
of the Company’s current prospectus which can be viewed on the SEC Edgar Database, under the CIK number 0001887912. In this prospectus
it makes clear the terms and conditions of the offering of Common Stock and the risks associated therewith are described.

 

3.2. All information herein concerning the Subscriber
is correct and complete as of the date hereof and as of the date of Closing.

 

3.3. If the Subscriber is purchasing the Shares
in a fiduciary capacity for another person or entity, including without limitation a corporation, partnership, trust or any other entity,
the Subscriber has been duly authorized and empowered to execute this Subscription Agreement and all other subscription documents. Upon
request of the Company, the Subscriber will provide true, complete and current copies of all relevant documents creating the Subscriber,
authorizing its investment in the Company and/or evidencing the satisfaction of the foregoing.

 

4. Applicable Law. This Agreement shall
be construed in accordance with and governed by the laws applicable to contracts made and wholly performed in the State of Wyoming.

 

5. Execution in Counterparts. This Subscription
Agreement may be executed in one or more counterparts.

 

6. Persons Bound. This Subscription Agreement
shall, except as otherwise provided herein, inure to the benefit of and be binding on the Company and its successors and assigns and on
each Subscriber and his respective heirs, executors, administrators, successors and assigns.

 

7. Notices. Any notice or other communication
required or permitted hereunder shall be in writing and shall be delivered personally, telegraphed, telexed, sent by facsimile transmission
or sent by certified, registered or express mail, postage prepaid, to the address of each party set forth herein. Any such notice shall
be deemed given when delivered personally, telegraphed, telexed or sent by facsimile transmission.

 

8. CERTIFICATION. THE SUBSCRIBER CERTIFIES
THAT HE HAS READ THIS ENTIRE SUBSCRIPTION AGREEMENT AND THAT EVERY STATEMENT MADE BY THE SUBSCRIBER HEREIN IS TRUE AND COMPLETE.

 

[SIGNATURE PAGE FOLLOWS]

 

 

    	 	 	 

     

    

 

SUBSCRIBER SIGNATURE

 

The undersigned, desiring to subscribe for the
number of Shares of WELSIS CORP. (the “Company”) as is set forth below, acknowledges that he/she has received and understands
the terms and conditions of the Subscription Agreement attached hereto and that he/she does hereby agree to all the terms and conditions
contained therein.

 

IN WITNESS WHEREOF, the undersigned has
hereby executed this Subscription Agreement as of the date set forth below.

 

(PLEASE PRINT OR TYPE)

 

Number of Shares ______________________________________________________________

x $0.03 Per Share

Total Amount of Subscription: ____________________________________________________

 

Exact name(s) of Subscriber(s):____________________________________________________

 

Signature of Subscriber(s): ____________________________

                                      (Signature)

 

Date: ___________________________________________

 

Residence or Physical Mailing Address:

 

________________________________________________

 

________________________________________________

 

________________________________________________

 

________________________________________________

 

Social Security, Taxpayer, or other type Identification Number(s):_________________________

 

 

 

ACCEPTED BY: WELSIS CORP., a Wyoming Corporation

 

 

	 
	By_____________________________________________
	    Danilo Vukadinovic, PresidentExhibit 10.5

 

PROMISSORY NOTE

 

	Principal amount: $40,000	 	DATE: September 1, 2021

 

FOR VALUE RECEIVED, the undersigned WELSIS CORP. (the “Borrower”),
Bulevar Mihajla Pupina 115, Belgrade, Serbia 11070, has received and promises to payback to SMARTICS LLC, (the “Lender”),
Dekarska str. 7, Warsaw, Poland 02-413, or such other address as may be directed in writing, the principal sum of Forty Thousand US Dollars
($40,000), together with interest accruing on the unpaid balance at a rate of ten percent (10%) per annum, computed from the date
hereof on the basis of a three hundred sixty (360) day year, actual days elapsed.

 

1. PAYMENT OF PRINCIPAL AND INTEREST. Interest
accrued on this promissory note (the “Note”) shall be due and payable on the 1st day of each month commencing with the first
month after the date of this Note. All unpaid principal and accrued unpaid interest shall be due and payable in full two (2) years
from the date hereof (the “Maturity Date”).

 

2. CREDIT OF PAYMENTS. Each payment
under this Note shall be credited in the following order:

 

	a)		costs, fees, charges and advances paid or incurred by Lender and for which the Borrower is
obligated under the terms herein;

	b)		interest payable under this Note; and

	c)		principal under this Note.

 

All installments of principal and interest of this Note shall be payable
in lawful money of the United States of America. Checks constitute payment only when collected.

 

3. PREPAYMENT. The Borrower may
prepay in whole or, from time to time, in part, and without any premium or penalty therefor, the principal amount hereof then remaining
unpaid, together with accrued unpaid interest on this Note. Any such prepayment shall be applied first to accrued unpaid interest on this
Note and the balance to principal due hereunder.

 

4. INTEREST DUE IN THE EVENT OF DEFAULT. From
and after the Maturity Date the entire unpaid principal balance and accrued unpaid interest shall automatically bear an annual interest
rate equal to the lesser of:

 

	a)		twelve percent (12%) per annum or

	b)		the maximum interest rate allowed by law, in lieu of the rate provided above herein. This
Note is secured by that certain Pledge and Security Agreement of even date herewith.

 

5. ATTORNEYS’ FEES AND COSTS.
Borrower shall pay all costs incurred by Lender in collecting sums due under this Note after a default, including reasonable
attorneys’ fees. If Lender or Borrower sues to enforce this Note or obtain a declaration of its rights hereunder, the
prevailing party in any such proceeding shall be entitled to recover its reasonable attorneys’ fees and costs incurred in the
proceeding (including those incurred in any bankruptcy proceeding or appeal) from the non-prevailing party.

 

6. WAIVER OF PRESENTMENTS. Borrower waives
presentment for payment, notice of dishonor, protest and notice of protest.

 

7. NON-WAIVER. No failure or delay by Lender
in exercising Lender’s rights under this Note shall be considered a waiver of such rights.

 

8. INTEGRATION. There are no verbal or
other agreements which modify or affect the terms of this Note. This Note may not be modified or amended except by written agreement signed
by Borrower and Lender.

 

 

    	 	 	 

     

    

 

9. NOTICE. Any notices required or permitted
to be given hereunder shall be given in writing and shall be delivered

 

	a)		in person,

	b)		by certified mail, postage prepaid, return receipt requested,

	c)		by facsimile, or

	d)		by a commercial overnight courier that guarantees delivery and provides a receipt, and such
notices shall be made to the parties at the addresses listed above.

 

10. GOVERNING LAW. This note shall
be governed under the laws in the State of Wyoming.

 

11. SIGNATURES. This Note shall be signed
by Rafal Domanski on behalf of SMARTICS LLC and Danilo Vukadinovic on behalf of WELSIS CORP.

 

IN WITNESS WHEREOF, this Agreement has been
executed and delivered in the manner prescribed by law as of the date first written above. 

 

Borrower: WELSIS CORP.

	Borrower Signature: /s/ Danilo Vukadinovic                   	Date: September 1, 2021

Printed Name: Danilo Vukadinovic

 

Lender: SMARTICS LLC

	Lender Signature:
  /s/ Rafal Domanski                               	Date: September 1, 2021

Printed Name: Rafal Domanski

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