Investor Presentaiton

Westaim Diluted Earnings per Share (US$): Year ended December 31, 2021 ▲WESTAIM $0.12 $0.07 $0.07 ($0.03) ($0.04) Income from Skyward Specialty, excluding unusual items* Income from Arena FINCOS and ASOF Income from Arena Investors Westaim holding company Westaim share of unusual net expenses (excluding items* RSUs) * Refer to Westaim's MD&A section 3 Investments at December 31, 2021 and December 31, 2020 for details of Skyward Specialty unusual items. Any terms not defined in this document are defined in Westaim's December 31, 2021 MD&A. $0.19 Diluted EPS December 31, 2021 10

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