FOURTH AMENDMENT TO PROMISSORY NOTE (SIX-MONTH)Discovery Energy Corp. • July 31st, 2013 • Metal mining
Company FiledJuly 31st, 2013 IndustryTHIS FOURTH AMENDMENT TO PROMISSORY NOTE (SIX-MONTH) (the “Fourth Amendment”) is made and entered into as of the 26st day of July 2013 by Discovery Energy Corp. a Nevada corporation f/k/a “Santos Resource Corp.” (herein called “Maker”), and Liberty Petroleum Corporation, an Arizona corporation (herein called “Payee”).