Mexican Courts Rule That Capstone Copper Owes Unpaid Royalties Since 2019 on the Cozamin Mine-Pending Amparo
In 2002, MPZ established, registered and legally confirmed a 2% Net Smelter Return (NSR) royalty on five mining concessions which now represents an estimated 33% of the production and value of resources at the Cozamin mine. Based on Capstone's first quarter results, royalty payments at the Cozamin mine have doubled to an annualized
Unpaid Royalties 2019–2025 Based Capstone Audited Financial Statements
Estimated Accrued Arrears Plus 10% Cumulative Interest
USD
Future Royalties 2026–2030 Based on Current
USD
USD
Overview
Zacatecas, México -- In 2025, MPZ announced that it won judgments twice in the Mexican courts confirming that its registered 2% NSR royalty on five mining concessions forming part of the Cozamin mine, was never legally transferred and remains 100% the property of MPZ. Capstone is obligated to pay the royalty from
The Cozamin mine, located 3.6 kilometres north of Zacatecas City, has been producing in
Portree's 2% royalty -- registered at
A 25-Year History
From Exploration to a Multi-Million Dollar Royalty Claim
1990s
MPZ owned and conducted exploration work on the five mining concessions. A resource was identified at the Parroquia mine (southwestern portion of the Portree area) as early as 1994.
2002
2004
2006
Cozamin commences commercial production. In 2010, Capstone begins exploiting the
2010
Portree grants Raúl González Anaya a special and irrevocable power of attorney, strictly limited to collecting and managing royalty payments already generated -- expressly not authorising him to sell or assign the royalty itself.
2017
By 2017, 80% of Cozamin's production is from the MNFWZ -- partially within the Portree 1 concession. With copper prices near
2019
2019–21
Following acquisition, Capstone drilled Portree aggressively, reporting "the best drilling results ever seen" in the MNFWZ. In
2022
Minera Portree files Commercial Case No. 411/2022 before the courts of Zacatecas against Raúl González Anaya,
2025
2026
Court Judgments
Two Levels of Mexican Courts Have Ruled in Portree's Favour
Both the first instance court and the Civil Chamber of the
Confirmed findings -- first & second instance (June &
- The royalty assignment contract of
August 9, 2019 is declared legally non-existent for lack of consent from the true owner (Minera Portree). - The 2% NSR royalty never left the patrimony of Minera Portree and continues to own 100%.
- Capstone Gold (Cozamin mine) is the legitimate owner of the concessions but is obligated to pay the 2% royalty from the date it acquired each concession -- specifically, from
August 9, 2019 for Portree I (Título No. 199902). - Raúl González Anaya lacked authority to assign the royalty -- the 2010 power of attorney permitted him only to collect payments already generated, not to sell the royalty itself.
- The matter has been referred to the Public Prosecutor for investigation of possible criminal liability for sale of property belonging to another (venta de cosa ajena) against Raúl González Anaya.
- Raúl and Gerardo González are condemned jointly and severally to pay royalties for the period 2011–2017, primarily for production from the Unificación el Cobre concession.
"The Federal Prosecutor in
Capstone Gold filed a Direct Amparo (Case No. 23/2026) on
The Royalty Value Continues to Grow With Copper and Silver Prices
Cozamin is one of the most productive copper-silver mines in
At consensus institutional forecasts for 2030 -- copper at
The most directly comparable market transaction is Gold Royalty Corp.'s acquisition of a 1% NSR royaltyon two Cozamin concessions (the Calicanto vein) from Endeavour Silver Corp. in
|
Valuation scenario |
Annual royalty |
Revenue multiple |
Implied value |
|
|
Bear (Cu |
|
8–10× |
US$32–40M |
|
|
Base -- today (Cu |
|
10–15× |
US$57–86M |
|
|
Bull -- 2030 (Cu |
|
12–18× |
US$108–162M |
|
|
Accrued arrears 2019–2025 (principal) |
6 years unpaid, historical Cu/Ag prices |
~US$20–25M |
||
|
Total estimated claim (base + arrears) |
|
US$77–111M |
||
|
|
|
|
|
|
Revenue multiples reflect comparable royalty company transaction data. Capstone's own 2025 annual report discloses
Sale Process Notice
Any Purchaser of the Cozamin Mine Takes the Concessions Subject to Portree's Royalty
Portree has been informed through media reports that Capstone Copper Corp. has engaged Scotiabank GBM to conduct a sale process for the Cozamin mine, reportedly valued at approximately
The 2% NSR royalty runs with the land. It was confirmed as such by both Mexican courts and is a matter of public record at the Registro Público de Minería (Registration No. 74/2002). No act of sale between Capstone and a purchaser can extinguish or waive this obligation without Portree's written consent and formal deregistration at the RPM. Any purchaser who acquires the Cozamin concessions will do so subject to the royalty -- together with all accumulated arrears and interest since 2019.
Portree has formally demanded from Capstone a complete accounting of NSR and payment of all accrued royalties and has notified Scotiabank GBM of its obligation to disclose the encumbrance to all prospective purchasers in any information memorandum, process letter, or data room.
About Minera Portree de Zacatecas
About
-
Royalties Inc. owns a 100% interest, subject to a 1.5% NSR owned as a separate asset, on theBilbao silver-zinc-lead project located in theState of Zacatecas, Mexico . -
Royalties Inc. owns 88% of the outstanding shares ofMinera Portree de Zacatecas, S.A. de C.V ("MPZ") which holds a court confirmed claim (twice) to a 2% net smelter royalty established in 2002 on five mining concessions called the 'Portree claims', a portion of which is on theMala Noche Footwall Zone , the main source of production at the Cozamin mine where Capstone Copper Corp. ("Capstone") has been mining since 2010. Capstone attempted to assign this royalty to themselves without the knowledge, consent or proper payment to MPZ, the longstanding and rightful owner since 2002. -
Royalties Inc. has a 5% stake inMusic Royalties Inc . ("MRI"), which has paid out over$15 million in 76 monthly dividends since 2019 from 31 cash-flowing catalogs with 7,000 songs with a 7.2% annual yield.
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Neither the CSE, OTC Markets nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this press release.
Forward-Looking Information. This press release contains forward-looking estimates of royalty value based on publicly available production data published by Capstone Copper Corp. and consensus commodity price forecasts from Goldman Sachs, J.P. Morgan,
Legal Notice. This press release constitutes public notice of Minera Portree's registered royalty claim. Portree reserves all rights, including the right to pursue arbitration under Cláusula Tercera of the 2002 Contract and to seek interim relief before the courts of Zacatecas. Nothing in this press release constitutes a waiver of any right or remedy.
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