Exhibit 99.1 Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2022 (expressed in thousands of Canadian dollars) - Unaudited Condensed Interim Consolidated Statements of Financial Position (expressed in thousands of Canadian Dollars) - Unaudited | | | As at March 31, 2022 | | As at December 31, 2021 | | --- | --- | --- | --- | --- | | Assets | | | | | | Current assets | | | | | | Cash | $ | 187,495 | $ | 201,804 | | Marketable securities (Note 5) | | 8,392 | | 9,315 | ...

Exhibit 99.1 Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2021 (expressed in thousands of Canadian dollars) - Unaudited NexGen Energy Ltd. Condensed Interim Consolidated Statements of Financial Position (expressed in thousands of Canadian dollars) - Unaudited | | | As at September 30, 2021 | As at December 31, 2020 | | --- | --- | --- | --- | | Assets | | | | | Current assets | | | | | Cash | $ | 227,844 $ | 74,022 | | Marketable securities (Note 5) | ...

January 2020 0 Delivering the clean energy of the future. Forward Looking Statement 2 Information Contained in this Presentation This presentation is a summary description of NexGen Energy Ltd. ("NexGen" or the "Company") and its business and does not purport to be complete. This presentation is not, and in no circumstances is to be construed as a prospectus, advertisement or a public offering of securities. No securities regulatory authority or similar authority has reviewed or in any way passed upon the d ...