McEwen Mining Inc. 18,000,000 Shares Common Stock (no par value per share) Warrants to Purchase 9,000,000 Shares Common Stock Underwriting Agreement September 18, 2017McEwen Mining Inc. • September 22nd, 2017 • Gold and silver ores • New York
McEwen Mining Inc., a corporation organized under the laws of the State of Colorado (the “Company”), proposes to sell to the underwriters listed on Schedule I hereto (the “Underwriters”), an aggregate of (i) 18,000,000 shares (the “Firm Shares”) of common stock, no par value per share (“Common Stock”), of the Company and (ii) warrants to purchase an aggregate of 9,000,000 shares of Common Stock (the “Firm Warrants”). The Company also proposes to grant to the Underwriters an option to purchase (i) up to an additional 2,700,000 shares of Common Stock (the “Option Shares” and together with the Firm Shares, the “Shares”) and/or (ii) warrants of the Company to purchase up to an additional 1,350,000 shares of Common Stock (the “Option Warrants” and together with the Firm Warrants, the “Warrants”). Each Share is being sold together with one-half (½) of a Warrant; and each full Warrant is exercisable for one whole share of Common Stock at an exercise price of $2.70 per share. The Shares to be
