Under the amended terms of the Option, McEwen may acquire a 100% interest in the Gold Canyon Claims by making the following payments to Ely Gold: $112,500 on or before December 29, 2019; $112,500 on or before December 29, 2020; $112,500 on or before December 29, 2021 and $300,000 on or before December 29, 2022 (the 'Final Option Payment').