Annual General and Special Meeting of Shareholders

Jun 3, 2021 • 3:00 pm EDT

Littleton, Colorado

Proxy Statement

Annual Report on Form 10-K

Notice of Internet Availability

Proxy Card

H.C. Wainwright Spring Mining Conference

Apr 19, 2021 • 1:00 pm EDT

Emerging Growth Conference

Apr 14, 2021 • 1:15 pm - 2:00 pm EDT

Q1 Investor Summit (Virtual)

Mar 25, 2021 • 10:30 am EDT

33rd Annual Virtual Roth Conference

Mar 15 – Mar 17, 2021

Prospectors & Developers Association of Canada International Convention

Mar 8 – Mar 11, 2021

LD Micro Main Event (Virtual)

Dec 15, 2020 • 11:40 am EDT

H.C. Wainwright Mining Conference (Virtual)

Nov 30, 2020 • 4:00 pm EDT

Fall Investor Summit (Virtual)

Nov 17, 2020 • 1:00 pm EDT