DUMAC, INC. sold RRAC

Footnotes

These Class A Ordinary Shares of Rigel Resource Acquisition Corp (the "Issuer") reported as disposed were redeemed by the Issuer as of November 21, 2025, for a redemption price of $12.151716 per Class A Ordinary Share, in connection with the Issuer's intention to dissolve and liquidate.; DUMAC is a North Carolina non-profit corporation. DUMAC does not hold legal title to its clients' assets. The members of the board of directors of DUMAC are appointed by the executive committee of the board of trustees of Duke University.; Gothic HSP Corporation ("Gothic HSP"), a non-profit corporation, holds assets as a charitable support corporation for Duke University Health System, Inc., including the Class A Ordinary Shares of the Issuer that were previously held. Gothic HSP indirectly held these Class A Ordinary Shares of the Issuer through G HSP LLC, a single member limited liability company wholly owned by Gothic HSP. The members of the board of directors of Gothic HSP are appointed by the board of directors of Duke University Health System, Inc. The members of the board of directors of Duke University Health System, Inc. are appointed by the executive committee of the board of trustees of Duke University. DUMAC has been delegated voting and investment power over such Class A Ordinary Shares of the Issuer through an investment management agreement between DUMAC and Gothic HSP and therefore DUMAC may have been deemed the beneficial owner of such Class A Ordinary Shares.; Each Reporting Person disclaims beneficial ownership of the Class A Ordinary Shares of the Issuer reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is or was the beneficial owner of such Class A Ordinary Shares for purposes of Section 16 or for any other purpose.