Excelsior Mining Receives Draft State Permit for Gunnison Copper Project

VANCOUVER, BC--(Marketwired - June 14, 2017) - Excelsior Mining Corp. (TSX: MIN) (FRANKFURT: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce that the Arizona Department of Environmental Quality ("ADEQ") has issued a draft operating permit, the Aquifer Protection Permit ("APP"), for the Gunnison Copper Project, located in Cochise County, southeastern Arizona. The draft APP will remain open for public comment for a minimum of 30 days. The timing of the issuance of the final APP is subject to this public comment period.

"The ADEQ's decision to issue our draft APP for public comment is a substantial step forward in advancing the Gunnison Copper Project; a project that will bring enormous economic benefits to the state and local communities, whilst maintaining the highest environmental and safety standards," added Stephen Twyerould, President and CEO. "We look forward to continuing our work with the ADEQ, the Environmental Protection Agency ("EPA"), local communities and other stakeholders to successfully complete the permitting process in advance of commercial production, which remains on schedule for 2018."

Excelsior AGM

Excelsior is also pleased to announce that it has received Toronto Stock Exchange ("TSX") approval to hold its annual general meeting ("AGM") on September 8, 2017, outside of the TSX requirement that a company hold an AGM within six months of its year end. As Excelsior just completed its TSX listing in February 2017 and held its last AGM on October 27, 2016, the TSX accepted an extended timeline for the 2017 AGM.

About Excelsior Mining

Excelsior Mining "The Copper Solution Company" is a mineral exploration and development company that is advancing the Gunnison Copper Project in Cochise County, Arizona. The project is an advanced staged, low cost, environmentally friendly in-situ recovery copper extraction project that is scheduled for commercial production in 2018.

Excelsior's technical work on the Gunnison Copper Project is supervised by Stephen Twyerould, Fellow of AUSIMM, President & CEO of Excelsior and a Qualified Person as defined by National Instrument 43-101. Mr. Twyerould has reviewed and approved the technical information contained in this news release.

Additional information about the Gunnison Copper Project can be found in the technical report filed on SEDAR at www.sedar.com entitled: "Gunnison Copper Project, NI 43-101 Technical Report, Feasibility Study" dated effective December 17, 2016.

For more information on Excelsior, please visit our website at www.excelsiormining.com.