Fresnillo plc
Fresnillo plc is a Mexico-focused precious-metals mining company and a major producer of primary silver and gold.
Last updated August 31, 2026
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Overview
Fresnillo plc is a precious-metals mining company incorporated in the United Kingdom but operationally centered in Mexico. The company was separated from Industrias Peñoles, its former parent and continuing controlling shareholder, and became a separately listed business through an initial public offering on the London Stock Exchange in May 2008. It also received a secondary listing on the Mexican Stock Exchange at the time of the flotation. The company’s principal business is the exploration, development and operation of mines producing silver and gold. Its assets are concentrated in Mexico, a country with a long-established mining industry and substantial geological endowment in silver and gold. Fresnillo’s principal producing operations include the Fresnillo Mine, also known as Mina Proaño, near the city of Fresnillo in Zacatecas; the Ciénega operation in Durango; and Herradura in Sonora. The portfolio combines underground and open-pit mining characteristics and includes processing facilities that recover precious metals, with zinc and lead generated as by-products at certain operations. Fresnillo Mine is the company’s signature asset and historically its largest source of silver production. The mine is associated with the long-established Fresnillo mining district in Zacatecas and gives the company its name. Ciénega contributes both gold and silver from the Durango region, while Herradura is a major gold operation in Sonora. In addition to operating mines, Fresnillo has maintained a broad Mexican exploration portfolio intended to replace reserves, extend mine lives and identify future development opportunities. Fresnillo is commonly described as the world’s largest producer of primary silver, meaning silver produced as the main economic product of a mine rather than mainly as a by-product of base-metal production. It has also been identified as Mexico’s second-largest gold miner. Its performance is therefore influenced by precious-metal prices, ore grades, recoveries, operating costs, energy and labor conditions, permitting, geological results, foreign-exchange movements and the regulatory environment in Mexico. The company’s corporate history reflects the strategy of Industrias Peñoles to unlock the value of its precious-metals mining operations through a separately traded vehicle while retaining exposure through a significant ownership position. At the spin-off, Peñoles retained rights to its primary base-metals mines, while Fresnillo received the designated silver-and-gold mining business. The IPO proceeds were intended in part to support mine development, exploration and possible international expansion, including plans discussed at the time to assess opportunities in Peru and Chile. Fresnillo’s operating business, however, has remained principally Mexican. Fresnillo’s public-market identity is tied to the London listing, where it became a constituent of the FTSE 100 Index, as well as to its Mexican listing. The company’s brand is primarily institutional and business-to-business rather than consumer-facing: it represents mine ownership, geological expertise, production capacity and access to refined precious-metal output. Its products are therefore commodities and mineral concentrates or doré generated through mining and processing, rather than branded retail goods. The business remains active, with its long-term prospects dependent on exploration success, disciplined capital investment, safe operations and the ability to develop new reserves while managing environmental and community responsibilities.
History
Fresnillo plc emerged from the precious-metals mining division of Industrias Peñoles. Before its separation, the business was operated as a wholly owned division within the Mexican mining group. The assets selected for Fresnillo were principally silver-and-gold operations, while Peñoles retained rights to its primary base-metals mines after the separation. The company became a separately traded enterprise in May 2008, when a minority stake was floated on the London Stock Exchange. It was also listed on the Mexican Stock Exchange on the same day. The transaction gave Fresnillo access to public equity capital and created a market valuation for a focused precious-metals producer, while Industrias Peñoles remained an important shareholder. The funds raised were intended to support growth, including investment in existing operations, exploration and evaluation of international opportunities. Peru and Chile were identified as possible areas for expansion, although the company’s established operating base remained Mexico. Fresnillo’s operating history is anchored by the Fresnillo Mine, or Mina Proaño, in Zacatecas. The mine is located near the city of Fresnillo and belongs to one of Mexico’s best-known silver districts. The company also operates the Ciénega mine in Durango and Herradura in Sonora. Together, these assets have made Fresnillo a leading producer of primary silver and a major Mexican gold miner. The company has also maintained exploration projects throughout Mexico to extend existing deposits and discover additional resources. The business model combines geological exploration, mine development, extraction, mineral processing and the sale of precious-metal output into international markets. Silver and gold are the core products, with zinc and lead produced as ancillary metals at certain operations. Production levels and profitability are exposed to metal prices, grades, recoveries, costs, project execution, labor and regulatory conditions, and the availability of new reserves. A significant management transition occurred in 2012. Octavio Alvídrez succeeded Jaime Lomelín as chief executive on 15 August after a handover period. Under the public-company structure, Fresnillo continued to present itself as a specialist precious-metals producer rather than a diversified base-metals group. Its London listing and FTSE 100 membership reinforced its international capital-markets profile, while its mines, employees, exploration work and principal assets remained concentrated in Mexico. The company’s continuing identity is therefore built on the combination of a historic Mexican silver district, a portfolio of Mexican gold-and-silver mines, a large exploration base and a public listing in the United Kingdom. Fresnillo is not primarily a consumer brand: its name functions as the corporate identity for a mining and metals business whose outputs enter global commodity supply chains.
- 2012
Chief executive succession
[1]Octavio Alvídrez became chief executive on 15 August, succeeding Jaime Lomelín after a planned transition.
- 2008
Initial public offering and separation from Peñoles
[1]A minority stake in the former Peñoles precious-metals division was floated on the London Stock Exchange, with a simultaneous secondary listing on the Mexican Stock Exchange.
Products and positioning
A Mexico-focused precious-metals mining major positioned around primary silver leadership, significant gold production, long-lived mining districts and a substantial exploration pipeline. The company serves global metals markets rather than consumers directly.
Precious-metal output
Silver
Silver is Fresnillo’s defining output and the basis of its reputation as the world’s largest producer of primary silver. The metal is recovered from ore mined at operations including Fresnillo Mine and Ciénega. Production is sold into global metals markets rather than marketed as a consumer product under the Fresnillo name.
Precious-metal output
Gold
Gold is the company’s other core precious-metal product. Fresnillo produces gold from Mexican operations including Herradura and Ciénega, making it one of Mexico’s leading gold miners. Gold output is exposed to mine grades, recovery rates, operating performance and international bullion prices.
By-product metals
Zinc and lead
Zinc and lead are generated as by-products from parts of the mining and processing portfolio. They are secondary to the company’s silver-and-gold focus but can contribute to revenue and help improve the overall economics of polymetallic ore bodies.
Brand decisions
2008
Create a separately listed precious-metals companyM&ABackground
Industrias Peñoles reorganized its precious-metals mining business as a separately listed company while retaining an important ownership interest.
Action taken
Fresnillo conducted a minority initial public offering in London and established a concurrent listing in Mexico.
Aftermath
The transaction gave Fresnillo an independent public-market identity and access to equity capital while leaving the company operationally focused on Mexico.
2008
Use IPO proceeds for growth and explorationStrategyBackground
The newly public company sought to expand its production base and develop additional mineral opportunities.
Action taken
Fresnillo signalled that funds raised in the flotation could support expansion into Peru and Chile, alongside investment in its Mexican portfolio.
Aftermath
The company continued to operate primarily in Mexico, supported by active exploration projects across the country.
Recent events
Fresnillo cuts 2022 production forecasts[2]
Reported:
Fresnillo lowered its 2022 silver production forecast, citing greater-than-anticipated effects from Omicron-related labour absences earlier in the year. It also forecast lower attributable gold production, mainly because the Noche Buena mine was nearing the end of its productive life.
Sources2 sources
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