Rockcliff Files Updated Tower Deposit Mineral Resource Estimate - 1.03Mt Indicated @ 5.74% CuEq and 0.37Mt Inferred @ 4.29% CuEq

Rockcliff Files Updated Talbot Deposit Mineral Resource Estimate - 2.19Mt Indicated at 4.40% Copper Equivalent and 2.44Mt Inferred at 2.98% Copper Equivalent

Rockcliff Announces Commencement of Preliminary Economic Assessment and Provides Corporate Update

Rockcliff Announces Significant Increase to Rail Resource: 1.17M Indicated Tonnes at 3.52% Copper Equivalent and 0.73M Inferred Tonnes at 4.09% Copper Equivalent

Rockcliff Provides Updated Tower Resource Estimate – 1.03Mt @ 5.74% CuEq Indicated and 0.37Mt @ 4.29% CuEq Inferred

Rockcliff Provides Update on Metallurgical Testing

Rockcliff Updates Talbot Deposit to 2.19M Indicated Tonnes at 4.44% Copper Equivalent 2.44M Inferred Tonnes at 2.98% Copper Equivalent

Rockcliff Metals: Kinross Completes 2019 Drill Program at Laguna. 2020 Drill Program Underway

Rockcliff Completes NI 43-101 Technical Report and Sampling on SLG Property

Rockcliff Expands Copper Mineralization Below the Rail Deposit with results of 13.65% CuEq Across 2.40 Metres and 10.57% CuEq Across 2.03 Metres