Sinda Ltd. Sample Contracts

RESTRICTED STOCK AWARD AGREEMENT FOR U.S. PARTICIPANTS pursuant to the
Restricted Stock Award Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores • New York

You (the “Participant”) have been granted a Restricted Stock Award (this “Award”) from Sinda Ltd, a Cayman Islands exempted company (the “Company”), on the following terms and subject to the provisions of Exhibit A and the Sinda Ltd Amended and Restated 2020 Long Term Incentive Plan (the “Plan”). Unless defined in this Restricted Stock Award Agreement (including Exhibit A, this “Agreement”), capitalized terms will have the meanings assigned to them in the Plan. In the event of a conflict among the provisions of the Plan, this Agreement and any descriptive materials provided to you, the provisions of the Plan will prevail.

SINDA LTD. CONSULTING SERVICES AGREEMENT
Consulting Services Agreement • June 23rd, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS CONSULTING SERVICES AGREEMENT (this “Agreement”) is made and entered into as of June 23, 2026 (the “Effective Date”) between Sinda Ltd., a Delaware corporation (the “Company”), and Daniel Muñiz Quintanilla (“Consultant”).

STOCK OPTION AWARD AGREEMENT FOR MEXICAN OPTIONEES pursuant to the SINDA LTD
Stock Option Award Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores • New York

You (the “Optionee”) have been granted a Stock Option Award (this “Award”) from Sinda Ltd, a Cayman Islands exempted company (the “Company”), on the following terms and subject to the provisions of Schedule A and the Sinda Ltd Amended and Restated 2020 Long Term Incentive Plan (the “Plan”). Unless defined in this Stock Option Award Agreement (including Schedule A, this “Agreement”), capitalized terms will have the meanings assigned to them in the Plan. In the event of a conflict among the provisions of the Plan, this Agreement and any descriptive materials provided to you, the provisions of the Plan will prevail.

SINDA LTD. CONSULTING SERVICES AGREEMENT
Consulting Services Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS CONSULTING SERVICES AGREEMENT (this “Agreement”) is made and entered into as of ________, 2026 (the “Effective Date”) between Sinda Ltd., a Delaware corporation (the “Company”), and Fabián Arturo Galindo Osuna (“Consultant”).

STOCKHOLDERS AGREEMENT by and among SINDA LTD. and THE STOCKHOLDERS THAT ARE SIGNATORIES HERETO Dated as of , 2026
Stockholders Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS STOCKHOLDERS AGREEMENT (as it may be amended from time to time in accordance with the terms hereof, this “Agreement”), dated as of , 2026 and effective as of the closing of the IPO (the “Effective Time”), is made by and among Sinda Ltd., a Delaware corporation (the “Company”), and the stockholders that are or become signatories hereto (each a “Stockholder” and collectively, the “Stockholders”).

SINDA LTD. EMPLOYMENT AGREEMENT
Employment Agreement • June 23rd, 2026 • Sinda Ltd. • Gold and silver ores • Texas

THIS EMPLOYMENT AGREEMENT (this “Agreement”) is made and entered into as of June 23, 2026 (the “Effective Date”), between SINDA LTD., a Delaware corporation (the “Company”), and Luis Barreto (“Executive”).

REGISTRATION RIGHTS AGREEMENT by and among SINDA LTD. and THE STOCKHOLDERS THAT ARE SIGNATORIES HERETO
Registration Rights Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS REGISTRATION RIGHTS AGREEMENT (as it may be amended from time to time in accordance with the terms hereof, this “Agreement”), dated as of , 2026 and effective as of the closing of the IPO (the “Effective Time”), is made by and among Sinda Ltd., a Delaware corporation (the “Company”), and the stockholders that are or become signatories hereto (each a “Stockholder” and collectively, the “Stockholders”).

SINDA LTD. EMPLOYMENT AGREEMENT
Employment Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores • Arizona

THIS EMPLOYMENT AGREEMENT (this “Agreement”) is made and entered into as of _______, 2026 (the “Effective Date”), between SINDA LTD., a Delaware corporation (the “Company”), and Scott F. Cole (“Executive”).

SERVICES AGREEMENT
Services Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • New York

This Services Agreement (this “Agreement”) is effective as of January I, 2019, between The Electrum Group LLC (“Provider”) and Minera Adularia LLC (“Recipient”).

AMENDMENT AGREEMENT
Mining Exploration and Surface Use Authorization Contract • June 5th, 2026 • Sinda Ltd. • Gold and silver ores

AMENDMENT AGREEMENT TO A MINING EXPLORATION AND SURFACE USE AUTHORIZATION CONTRACT ENTERED INTO, ON THE ONE HAND, BY MESSRS. AGUSTIN MESITA AND J. BERNABE SILVA, IN THEIR OWN RIGHT (HEREINAFTER "THE HOLDERS"); AND ON THE OTHER HAND, MINERA DE CORDILLERAS, S. DE R.L. DE C.V., (HEREINAFTER "CORDILLERAS"), REPRESENTED IN THIS ACT BY ENGINEER JORGE MONSIVAIS GAMEZ, PURSUANT TO THE FOLLOWING RECITALS AND CLAUSES.

REGISTRATION RIGHTS AGREEMENT by and among SINDA LTD. and THE STOCKHOLDERS THAT ARE SIGNATORIES HERETO
Registration Rights Agreement • July 28th, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS REGISTRATION RIGHTS AGREEMENT (as it may be amended from time to time in accordance with the terms hereof, this “Agreement”), dated as of June 29, 2026 and effective as of the closing of the IPO (the “Effective Time”), is made by and among Sinda Ltd., a Delaware corporation (the “Company”), and the stockholders that are or become signatories hereto (each a “Stockholder” and collectively, the “Stockholders”).

CONSULTING SERVICES AGREEMENT
Consulting Services Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores

NOW THEREFORE THIS AGREEMENT WITNESSES that in consideration of the foregoing recitals and of the mutual promises, covenants and agreements hereinafter set forth, the Company and the Contractor hereby promise, covenant and agree as follows:

•] Shares SINDA LTD. COMMON STOCK (PAR VALUE $0.0001 PER SHARE) UNDERWRITING AGREEMENT
Underwriting Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • New York
SINDA LTD. c/o The Electrum Group LLC New York, New York 10020
Restated Agreement • April 1st, 2026 • Sinda Ltd. • Gold and silver ores • New York

This letter sets forth the restated agreement between you and the Company regarding the terms and conditions on which you will continue to provide services to the Company and its subsidiaries and affiliates, effective as of January 1, 2026 (the “Restated Agreement”).

MINING EXPLORATION AND SURFACE USE AUTHORIZATION CONTRACT
Mining Exploration and Surface Use Authorization Contract • June 5th, 2026 • Sinda Ltd. • Gold and silver ores

CONTRACT OF MINING EXPLORATION AND AUTHORIZATION FOR USE OF SURFACE EXECUTED, ON THE ONE HAND, BY MESSRS. AGUSTIN MESITA (ALSO KNOWN IN THE PUBLIC REGISTRY OF MINING AS AGUSTÍN MESITA) AND J. BERNABE SILVA SANCHEZ, IN THEIR OWN RIGHT (HEREINAFTER “THE HOLDERS”), AND ON THE OTHER HAND, MINERA DE “CORDILLERAS”, S. DE R.L. DE C.V. (HEREINAFTER “CORDILLERAS”), REPRESENTED BY ENGINEER JORGE MONSIVAIS GAMEZ, PURSUANT TO THE FOLLOWING RECITALS AND CLAUSES:

ENGLISH TRANSLATION
Individual Employment Contract • June 5th, 2026 • Sinda Ltd. • Gold and silver ores

The Company declares that it is a commercial corporation duly incorporated and existing in accordance with Mexican law, engaged primarily in the mining and metallurgical industry in general, and therefore, in the performance of any act that is necessary, a consequence of, or related to said industry, with its registered office at Prolongación Antiguo camino a don Diego S/N, Interior No. 6, Frac. Mi Bendición (Privada de Don Diego), San Miguel de Allende, Guanajuato, Mexico.

INDEMNITY AGREEMENT
Indemnity Agreement • June 23rd, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

This Indemnity Agreement (this “Agreement”), dated as of , 2026, is made by and between Sinda Ltd., a Delaware corporation (the “Company”), and (the “Indemnitee”).

INVESTOR RIGHTS AGREEMENT SINDA, LTD. and FRESNILLO PLC
Investor Rights Agreement • July 28th, 2026 • Sinda Ltd. • Gold and silver ores • New York

THIS INVESTOR RIGHTS AGREEMENT (this “Agreement”) is made as of July 27, 2026, between Sinda Ltd., a Delaware corporation (the “Company”), and Fresnillo plc (the “Investor”).

INVESTOR RIGHTS AGREEMENT SINDA, LTD. and FRESNILLO PLC
Investor Rights Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • New York

THIS INVESTOR RIGHTS AGREEMENT (this “Agreement”) is made as of , 2026, between Sinda Ltd., a Delaware corporation (the “Company”), and Fresnillo plc (the “Investor”).

STOCKHOLDERS AGREEMENT by and among SINDA LTD. and THE STOCKHOLDERS THAT ARE SIGNATORIES HERETO Dated as of June 29, 2026
Stockholders Agreement • July 28th, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

THIS STOCKHOLDERS AGREEMENT (as it may be amended from time to time in accordance with the terms hereof, this “Agreement”), dated as of June 29, 2026 and effective as of the closing of the IPO (the “Effective Time”), is made by and among Sinda Ltd., a Delaware corporation (the “Company”), and the stockholders that are or become signatories hereto (each a “Stockholder” and collectively, the “Stockholders”).

INDEMNITY AGREEMENT
Indemnity Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores • Delaware

This Indemnity Agreement (this “Agreement”), dated as of , 2026, is made by and between Sinda Ltd., a Delaware corporation (the “Company”), and (the “Indemnitee”).

COMMON STOCK PURCHASE AGREEMENT
Common Stock Purchase Agreement • June 22nd, 2026 • Sinda Ltd. • Gold and silver ores • New York

THIS COMMON STOCK PURCHASE AGREEMENT (this “Agreement”) is made as of June 22, 2026, between Sinda Ltd., an exempted company in the Cayman Islands (“Sinda Cayman”), and Fresnillo plc (the “Investor”).

VIA E-MAIL
Termination Agreement • June 5th, 2026 • Sinda Ltd. • Gold and silver ores

This letter agreement (this “Agreement”), by and between you, BC Ltd. and the Company, evidences our mutual agreement regarding the termination of the Consulting Agreement and your separation from the Company. For purposes of this Agreement, you and BC Ltd. shall individually and collectively be referred to herein as “Consultant.”