VANCOUVER, BC – July 28, 2021 – Orla Mining Ltd. (TSX: OLA; NYSE: ORLA) (“Orla” or the “Company”) is pleased to provide the results of a Pre-Feasibility Study (“PFS”) and mineral resource and mineral reserve estimates on its Cerro Quema Oxide Gold Project (the “Project” or “Cerro Quema”) located in the Azuero Peninsula, Los Santos Province, Panama. The PFS demonstrates the possibility of a low cost, high return heap leach project. The estimated Project after-tax net present value (“NPV”) (5% discount rate) is $176 million with an after-tax internal rate of return (“IRR”) of 38% at a gold price of US$1,600 per ounce.