Common use of Technical Reports Clause in Contracts

Technical Reports. The information contained in, related to or derived from the TRS, as supplemented by the updated financial information in respect of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Technical Report, as supplemented by the Financial Update, remain current as at the date hereof and comply in all material respects with the requirements of S-K 1300 and NI 43-101, respectively, and there is no new material scientific or technical information concerning the Stibnite Gold Project that would require a new technical report in respect thereof to be issued under S-K 1300 or NI 43--101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have been prepared in accordance with the standards set in S-K 1300 or the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning of NI 43-101 and S-K 1300) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate in all material respects and there have been no material changes to such information since the date of delivery or preparation thereof;

Technical Reports. The information contained in, related to or derived from the TRS, as supplemented by the updated financial information in respect of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), TRS is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Technical Report, as supplemented by the Financial Update, Report remain current as at the date hereof and comply in all material respects with the requirements of S-K 1300 and NI 43-101, respectively, and there is no new material scientific or technical information concerning the Stibnite Gold Project that would require a new technical report in respect thereof to be issued under S-K 1300 or NI 43--101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have been prepared in accordance with the standards set in S-K 1300 or the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning of NI 43-101 and S-K 1300) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate in all material respects and there have been no material changes to such information since the date of delivery or preparation thereof;

Technical Reports. The information contained in, related to or derived from the TRS, as supplemented by the updated financial information in respect of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), TRS is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Technical Report, as supplemented by the Financial Update, which technical reports remain current as at the date hereof and comply in all material respects with the requirements of S-K 1300 and NI 43-101, respectively, 101 and there is no new material scientific or technical information concerning the Stibnite Gold Project that would require a new technical report in respect thereof to be issued under S-K 1300 or NI 43--101 101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have been prepared in accordance with the standards set in S-K 1300 or the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning of NI 43-101 and S-K 1300101) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate in all material respects and there have been no material changes to such information since the date of delivery or preparation thereof;

Technical Reports. (i) The information contained in, related to or derived from Clearwater Project is the TRS, as supplemented by the updated financial information in respect only material property of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K Eastmain for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis purposes of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”; (ii) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Eastmain Technical Report, as supplemented by the Financial Update, remain current as at the date hereof and comply Report complied in all material respects with the requirements of SNI 43-K 1300 101 at the time of filing thereof and reasonably presented the quantity of mineral resources attributable to the properties evaluated therein as at the date stated therein based upon information available at the time the report was prepared. Eastmain does not have knowledge of a material adverse change in any production, cost, price, reserves, resources or other relevant information provided since the date such information was provided; (iii) Eastmain has made available to the authors of the Eastmain Technical Report, prior to the issuance thereof, for the purpose of preparing such report, all material information supporting such reports or relevant to the projects to which they relate, and none of such information contained any misrepresentation at the time such information was so provided; (iv) All of the material assumptions underlying the resource estimates in the Eastmain Technical Report are reasonable and appropriate; (v) The estimates of mineral resources as described in the Eastmain Disclosure Record comply in all material respects with NI 43-101, respectively, and there is no new material scientific or technical ; (vi) The information concerning set forth in the Stibnite Gold Project that would require a new technical report in respect thereof Eastmain Disclosure Record relating to mineral resources required to be issued under S-K 1300 or disclosed therein pursuant to NI 43--101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have 101 has been prepared by Eastmain and its consultants in accordance with methods generally applied in the standards set in S-K 1300 or mining industry and conforms to the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning requirements of NI 43-101 and S-K 1300Securities Laws; and (vii) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate Eastmain is in compliance in all material respects with the provisions of NI 43-101, has filed all technical reports required thereby, and there have has been no material changes to such information since change of which Eastmain is or should be aware that would disaffirm or change any aspect of the date Eastmain Technical Report or that would require the filing of delivery or preparation thereofa new technical report under NI 43-101;

Technical Reports. (i) The information contained in, related to or derived from La Arena Project and the TRS, as supplemented by Shahuindo Project are the updated financial information in respect only material properties of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K Rio Alto for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis purposes of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101; (ii) The technical report prepared for Sulliden Gold Corporation, Ltd. by ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ & Associates and Mine Development Associates entitled “Technical Report on the Shahuindo Heap ▇▇▇▇▇ Project, Cajabamba, Peru” dated November 9, 2012, and the technical report prepared for Rio Alto by Mining Plus Peru S.A.C. entitled “La Arena Project, Peru Technical Report (NI 43-101)” dated effective December 31, 2013 (the “Technical Reports”) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Technical Report, as supplemented by the Financial Update, remain current as at the date hereof and comply complied in all material respects with the requirements of SNI 43-K 1300 101 at the respective time of filing thereof and reasonably presented the quantity of mineral reserves and mineral resources attributable to the properties evaluated therein as at the respective dates stated therein based upon information available at the time the respective reports were prepared. Except as disclosed in the news release dated February 5, 2015, Rio Alto does not have knowledge of a change in any production, cost, price, reserves, resources or other relevant information provided since the date such information was provided; (iii) Rio Alto has made available to the authors of the Technical Reports, prior to the issuance thereof, for the purpose of preparing such report, all information requested by them, and none of such information contained any misrepresentation at the time such information was so provided; (iv) All of the material assumptions underlying the resource estimates in the Technical Reports are reasonable and appropriate; (v) The estimates of mineral reserves and mineral resources as described in the Rio Alto Disclosure Record comply in all material respects with NI 43-101; and (vi) Rio Alto is in compliance in all material respects with the provisions of NI 43-101, respectivelyhas filed all technical reports required thereby, and there has been no change of which Rio Alto is no new material scientific or technical information concerning should be aware that would disaffirm or change any aspect of the Stibnite Gold Project Technical Reports or that would require the filing of a new technical report in respect thereof to be issued under S-K 1300 or NI 43--101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have been prepared in accordance with the standards set in S-K 1300 or the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning of NI 43-101 and S-K 1300) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate in all material respects and there have been no material changes to such information since the date of delivery or preparation thereof;.

Technical Reports. (i) The information contained in, related to or derived from La Arena Project and the TRS, as supplemented by Shahuindo Project are the updated financial information in respect only material properties of the Stibnite Gold Project included as Exhibit 99.1 of the Company’s Annual Report on Form 10-K Rio Alto for the year ended December 31, 2024, and the related disclosures contained in Item 2 thereof (the “Financial Update”), is based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects and represent its good faith estimate that is made on the basis purposes of data derived from such sources, and the Company has obtained the written consent to the use of such data from such sources to the extent required, except as disclosed in the public record. The Company is in compliance, in all material respects, with the provisions of subpart 1300 of Regulation S-K promulgated by the Commission (“S-K 1300”) to the extent applicable to the Company, and has filed all technical reports required to be filed in respect of the Stibnite Gold Project required thereby. The Company is in compliance with the provisions of National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101; (ii) The technical report prepared for Sulliden Gold Corporation, Ltd. by ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ & Associates and Mine Development Associates entitled “Technical Report on the Shahuindo Heap ▇▇▇▇▇ Project, Cajabamba, Peru” dated November 9, 2012, and the technical report prepared for Rio Alto by Mining Plus Peru S.A.C. entitled “La Arena Project, Peru Technical Report (NI 43-101)” dated effective December 31, 2013 (the “Technical Reports”) and has filed all technical reports in respect of the Stibnite Gold Project required thereby. The TRS and FS Technical Report, as supplemented by the Financial Update, remain current as at the date hereof and comply complied in all material respects with the requirements of SNI 43-K 1300 101 at the respective time of filing thereof and reasonably presented the quantity of mineral reserves and mineral resources attributable to the properties evaluated therein as at the respective dates stated therein based upon information available at the time the respective reports were prepared. Except as disclosed in the news release dated February 5, 2015, Rio Alto does not have knowledge of a change in any production, cost, price, reserves, resources or other relevant information provided since the date such information was provided; (iii) Rio Alto has made available to the authors of the Technical Reports, prior to the issuance thereof, for the purpose of preparing such report, all information requested by them, and none of such information contained any misrepresentation at the time such information was so provided; (iv) All of the material assumptions underlying the resource estimates in the Technical Reports are reasonable and appropriate; (v) The estimates of mineral reserves and mineral resources as described in the Rio Alto Disclosure Record comply in all material respects with NI 43-101; and (vi) Rio Alto is in compliance in all material respects with the provisions of NI 43- 101, respectivelyhas filed all technical reports required thereby, and there has been no change of which Rio Alto is no new material scientific or technical information concerning should be aware that would disaffirm or change any aspect of the Stibnite Gold Project Technical Reports or that would require the filing of a new technical report in respect thereof to be issued under S-K 1300 or NI 43--101 (including, but not limited to, in respect of TRS and the FS Technical Report). The estimates of the mineral resources and mineral reserves of the Stibnite Gold Project as disclosed by the Company and as provided for in the TRS and the FS Technical Report have been prepared in accordance with the standards set in S-K 1300 or the Canadian disclosure standards set forth in NI 43-101, and the method of estimating the mineral resources and mineral reserves has been verified by mining experts who are “qualified persons” (within the meaning of NI 43-101 and S-K 1300) and the information upon which the estimates of mineral resources and mineral reserves were based, was, at the time of delivery thereof, complete and accurate in all material respects and there have been no material changes to such information since the date of delivery or preparation thereof;.