NexGen Energy Ltd. — Share Issue/Capital Change 2023

Dec 4, 2023

Statement of CDIs on Issue

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Part 1 - Entity and announcement details

1.1 Name of +Entity

NEXGEN ENERGY (CANADA) LTD

1.2 Registered Number Type

ARBN

Registration Number 649325128

1.3 ASX issuer code

NXG

1.4 The announcement is

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New announcement

1.5 Date of this announcement

5/12/2023

Statement of CDIs on Issue

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Statement of CDIs on Issue

Part 2 - Details of CDIs and other securities on issue

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2.1 Statement for month and year November-2023

2.2a Number and class of all ASX-quoted CDIs on issue ASX +Security Code and Description CDI Ratio NXG : CDI 1:1 FOREIGN EXEMPT TSX 1:1 Total number of CDIs quoted on ASX Total number of CDIs quoted on ASX Net Difference (A-B) at end of statement month (A) at end of previous month (B) 5,580,170 34,650,252 29,070,082 Reason for change: Common share Net transfers of securities between CDIs and Toronto Stock Exchange (TSX) and New York Stock Exchange as quoted / held on (NYSE)

If the total number of CDIs quoted on ASX at the end of the statement month (A), is greater than the total number of CDIs for which the entity has previously paid an initial listing fee or an additional listing fee under Table 1A and 1C of Guidance Note 15A (C), the entity hereby applies for +quotation of the difference (A - C) and agrees to the matters set out in Appendix 2A of the ASX Listing Rules.

2.2b Number and class of all issued securities not represented by CDIs quoted on ASX

ASX +Security Code and Description

NXGAA : COMMON SHARES Total number of securities at end of Total number of securities at end of Net Difference (A-B) statement month (A) previous month (B) -5,026,836 488,176,470 493,203,306 Reason for change: Net change due to transfers to CDIs and new shares issued ASX +Security Code and Description NXGAB : OPTIONS EXPIRING VARIOUS DATES EX VARIOUS PRICES Total number of securities at end of Total number of securities at end of Net Difference (A-B) statement month (A) previous month (B) -553,334 48,450,802 49,004,136 Reason for change: Net change due to options exercised, issued and cancelled

ASX +Security Code and Description

NXGAC : CONVERTIBLE DEBENTURES

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Statement of CDIs on Issue

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Total number of securities at end of Total number of securities at end of Net Difference (A-B) statement month (A) previous month (B) 0 16,272,189 16,272,189

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