TSX.V: CCC OTCQB®: CCCCF Frankfurt: 1PY

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In the Technical Report a two-stage development plan is recommended. The first stage, estimated to cost US$500,000 (~CAN$625,000), should include 4,320 feet (1,317m) of diamond core drilling in 18 holes on wide spacing (US$300,000), and some metallurgical testing (US$200,000). The drilling will serve to confirm the mineralized intervals and grades reported from the historic rotary drilling and to collect fresh samples for metallurgical testing.

By Feb. 8, Cornerstone completed the infill diamond drilling program on its Carlin Vanadium Project with 20 vertical holes in 1629.61 metres of HQ core. The recent infill drilling program has tightened the drill spacing from the systematic 60 metre to locally 45 metre centres along the spine of the deposit. Lithological aspects of the deposit have been visually verified by the core program. Sample results are pending.

Technical disclosure has been reviewed and approved by Paul Cowley, P.Geo., a Qualified Person as defined by National Instrument 43-101, and President and CEO of the Company. For more details refer to the Technical Report on the Property entitled NI 43-101 Technical Report on the Carlin Vanadium Project, Carlin, Nevada dated October 26, 2017 authored by Bart Stryhas, PhD, CPG and John Cooper, P.E. of SRK Consulting (US) Inc. (“SRK”) filed on SEDAR November 8, 2017.