AMENDMENT TO CONVERTIBLE PROMISSORY NOTE

AMENDMENT TO CONVERTIBLE PROMISSORY NOTE

THIS AMENDMENT TO CONVERTIBLE PROMISSORY NOTE (this “Amendment”) is entered into as of September 24, 2018, by and between MOUNT TAM BIOTECHNOLOGIES, INC., a Nevada corporation (“Maker”), and Fromar Investments, LP (“Holder”).

RECITALS

A.Maker and Holder entered into that certain Convertible Promissory Note on effective as of March 5, 2018 (the “March Note”). 

B.Maker and Holder have agreed to amend the March Note pursuant to the terms set forth herein.  

NOW THEREFORE, in consideration of the above recitals and other good and valuable consideration, the sufficiency and receipt of which are hereby acknowledged, the parties agree as follows:

1.The March Note is hereby amended by extending the Maturity Date to November 15, 2018. 

2.This Amendment supersedes any and all other provisions of the March Note which are in conflict with this instrument. 

3.This Amendment constitutes the full and complete agreement between the parties hereto.  All other provisions of the March Note not modified herein shall remain in full force and effect and are incorporated herein. 

[Signature page follows]

IN WITNESS WHEREOF, the parties have executed this Amendment to Convertible Promissory Note effective as of the effective date set forth above.