Allonge #2 to Convertible Promissory Note between Brain Scientific Inc. and Len P. Mertz

Summary

This agreement is an amendment to a previous convertible promissory note between Brain Scientific Inc. and Len P. Mertz. It changes the maturity date of the note to the earlier of January 18, 2022, or the completion of a qualified financing or similar event that triggers the issuance of conversion shares. The amendment is effective as of January 18, 2021, and is intended to be a permanent part of the original note.

EX-10.4 4 f10q0321ex10-4_brainsci.htm ALLONGE #2 TO CONVERTIBLE PROMISSORY NOTE IN FAVOR OF LEN P. MERTZ

Exhibit 10.4

ALLONGE #2 TO CONVERTIBLE PROMISSORY NOTE

Allonge #2 (this “Allonge”) to that certain Convertible Promissory Note (as amended, the “Convertible Promissory Note”) attached hereto as Exhibit 1 and made a part hereof in the principal amount of $130,000 dated February 5, 2019, from Brain Scientific Inc., a Nevada corporation (the “Company”), in favor of Len P. Mertz, as Holder (the “Holder”).

The Company and the Holder agree that the Convertible Promissory Note shall be revised as follows:

1. The definition of “Maturity Date” in Section 1.1 of the Convertible Promissory Note shall be amended and replaced to read as follows:

““Maturity Date” shall mean the earlier of: (a) January 18, 2022 or (b) the consummation of a Qualified Financing or other event pursuant to which Conversion Shares are to be issued pursuant to the terms of this Note.”

This Allonge is intended to be attached to and made a permanent part of the Convertible Promissory Note.

Dated as of the 24^th day of February, 2021 but effective as of January 18, 2021.

Company:	BRAIN SCIENTIFIC INC.

	By:	/s/ Boris Goldstein
	Name:	Boris Goldstein
	Title:	Chairman

Holder:	LEN P. MERTZ

	By:	/s/ Len P. Mertz