CR00050-2026

The Exchange does not warrant and holds no responsibility for the veracity of the facts and representations contained in all corporate disclosures, including financial reports. All data contained herein are prepared and submitted by the disclosing party to the Exchange, and are disseminated solely for purposes of information. Any questions on the data contained herein should be addressed directly to the Corporate Information Officer of the disclosing party.

NexGen Energy Corp.XG

PSE Disclosure Form 17-12-A - List of Top 100 Stockholders (Common Shares) Reference: Section 17.12 of the Revised Disclosure Rules

Type of Securities

For the period ended Dec 31, 2025
Description of the Disclosure

TOP 100 STOCKHOLDERS (COMMON SHARES) AS OF 31 DECEMBER 2025

Number of Issued Common Shares 1,490,000,003
Number of Treasury Common Shares, if any 0
Number of Outstanding Common Shares 1,490,000,003
Number of Listed Common Shares 1,490,000,003
Number of Lodged Common Shares 314,850,000
  PCD Nominee - Filipino 314,438,000
  PCD Nominee - Non-Filipino 412,000
Number of Certificated Common Shares 1,175,150,003
Change from previous submission

PCD NOMINEE-FILIPINO INCREASED FROM 314,434,000 AS OF 30 SEPTEMBER 2025 TO 314,438,000 AS OF 31 DECEMBER 2025, WHILE PDC NOMINEE-NON FILIPINO DECREASED FROM 416,000 TO 412,000 FOR THE SAME PERIODS, RESPECTIVELY.

Filed on behalf by:
Name Susan Carisma
Designation CORPORATE SECRETART/VP FOR LEGAL & CORPORATE AFFAIRS