Orestone Mining Corp.O

Chief Executive Officer and Chairman of the Board of Orestone Mining Corp. (TSXV: ORS). More than 30 years of experience in corporate finance and management of resource companies. Was a founder of Nevada Pacific Gold Ltd., serving as Chairman, CEO or President from 1997 to 2007, through its $150 million takeover by McEwen Mining Inc. in March 2007. Before Nevada Pacific he was a founding team member of Eldorado Gold Corporation and earlier worked with Bema Gold Corporation. Has been actively involved in financing mining companies for several decades, securing over $300 million. Sources: orestone.ca/corporate/management/ and /corporate/directors/.

President and a Director of Orestone Mining Corp. (TSXV: ORS), and a Director of Platauro Metals Corp. M.Sc., P.Geo. More than 40 years of experience in the minerals industry as a geologist, corporate executive and consultant. Following 14 years with the major mining companies Texasgulf Inc. and Boliden Inc., he held the position of VP Exploration for Greenstone Resources, Pan American Mineral Corp. and Eldorado Gold Corporation, leading the exploration and development of five gold deposits including the Oronorte Gold Mine in Colombia, the open-pit heap-leach Santa Rosa Gold Mine in Panama, the La Libertad Gold Mine in Nicaragua and the San Andres Gold Mine in Honduras. Was a co-founder, director and VP of Eldorado, where he was involved in the Kisladag discovery in Turkey and La Colorada in Mexico. Subsequently, as President and/or CEO, has led companies exploring primarily in South America for the last twenty years, and since 1999 has been owner and President of Winfield Consulting. Joined the Platauro board as part of the July 2026 Mexican Gold Mining / Alcon Silver arrangement, having been a director of Alcon Silver Corp. Sources: orestone.ca/corporate/management/ and Platauro Metals' own arrangement-completion disclosure.

Chief Financial Officer of Orestone Mining Corp. (TSXV: ORS); also Chief Financial Officer of Gold Terra Resource Corp., Copper Fox Metals Inc., Adamera Minerals Corp. and EGR Exploration Ltd.; Executive Chair of Silver North Resources Ltd.; and Executive Chairman of Avrupa Minerals Ltd. B.Comm., CPA, CA. President of Pacific Opportunity Capital Ltd., a Vancouver-based financial consulting and merchant banking firm active in North American venture capital markets, which he founded in 1997. Over 35 years of executive management experience in the mining sector spanning M&A, financing, strategic corporate planning and corporate development. After completing his Chartered Accountant designation at PricewaterhouseCoopers he managed the financial departments of TSX-listed Miramar Mining Ltd. (later sold to Newmont Mining for $1.4 billion) and TSX-listed Eldorado Gold Corp. In 1999 he co-founded Rare Element Resources Ltd., which grew to a valuation of well over $500 million during his tenure; he was CFO of Nevada Pacific Gold when it was sold to McEwen Mining, founded Animas Resources Ltd. (sold to GoGold Resources), and was CFO and Director of Pitchstone Exploration Ltd. through its sale to Fission Uranium Corp. Founded Avrupa Minerals Ltd. in 2008 and chairs Mineral and Financial Investments Ltd., listed in the UK. Holds a Bachelor of Commerce from the University of British Columbia and qualified as a Chartered Accountant in 1993.

A Director and Senior Consulting Geologist of Orestone Mining Corp.; also a director of Canasil Resources Inc. B.Sc. (Geol. Hons). A leading exploration geologist with a proven track record of identifying and developing mining projects.

An Independent Director of Orestone Mining Corp. (TSXV: ORS) and Chairman and Chief Executive Officer of Guanajuato Silver Company Ltd. BFA. For six years has worked as Chairman and CEO of Guanajuato Silver, helping create a producing silver and gold mining company with four mines and three production facilities in Mexico. His career began in the financial services industry with 19 years as a retail broker, investment banker and manager with Canadian investment firms including First Canada Capital Ltd., Research Capital Corp. and Majendie Securities Ltd., where he was instrumental in financing numerous small-cap public companies in the mining sector. Formerly Chief Executive Officer of NuLegacy Gold Corp. Source: orestone.ca/corporate/directors/.

An Independent Director of Orestone Mining Corp. (TSXV: ORS) and Chairman of Visionary Metals Corp. B.Sc., P.Land. Over 40 years of experience in the oil and gas and in the mineral sectors, as a founder and director with expertise in strategic planning, corporate finance, management and administration. Source: orestone.ca/corporate/directors/.