Plateau” or the “ Securityholders”) have approved the plan of arrangement (“ Arrangement”) with American Lithium Corp. (“ American Lithium”) announced on February 9, 2021. The Arrangement was approved by: 99.809% of the votes cast by Plateau shareholders; and 99.827% of the votes cast by Plateau Securityholders, voting together as a single class. In addition, the Arrangement was approved by a simple majority of the votes cast by Securityholders, excluding the votes cast in respect of the Plateau common shares held by certain related parties (as defined by Multilateral Instrument 61-101 – Protection of Minority Security Holders in Special Transactions) . This year, in light of the ongoing COVID-19 pandemic, the special meeting of Securityholders (the “