Notice of cyber security incident

                                                                                                         Fresnillo plc

21 Upper Brook Street

London W1K 7PY

United Kingdom

www.fresnilloplc.com

30 July 2024

Notice of cyber security incident

"Fresnillo plc (the "Company") announces that it has been the subject of a cyber security incident which has resulted in unauthorised access to certain IT systems and data. Upon becoming aware of this incident, response measures in accordance with Company protocols were initiated immediately.

The Company's IT experts, in coordination with external specialists, are taking all measures to investigate and assess the scope of this incident.

All business units continue their activities and no material operational or financial impact has been experienced or is foreseen. This will be assessed on an ongoing basis until the situation is resolved.

The Company will provide a further update as and when appropriate.

Fresnillo plc takes the issue of cyber security extremely seriously and will continue to fully investigate this incident and take all appropriate measures.

For further information, please visit our website: www.fresnilloplc.com or contact:

ABOUT FRESNILLO PLC

Fresnillo plc is the world's largest primary silver producer and Mexico's largest gold producer, listed on the London and Mexican Stock Exchanges under the symbol FRES.

Fresnillo plc has eight operating mines, all of them in Mexico - Fresnillo, Saucito, Juanicipio, Ciénega, Herradura, Soledad-Dipolos¹, Noche Buena and San Julián (Veins and Disseminated Ore Body) and four advanced exploration projects - Orisyvo, Rodeo, Guanajuato and Tajitos as well as a number of other long term exploration prospects.

Fresnillo plc has mining concessions and exploration projects in Mexico, Peru and Chile. Fresnillo plc has a strong and long tradition of exploring, mining, a proven track record of mine development, reserve replacement, and production costs in the lowest quartile of the cost curve for silver. Fresnillo plc's goal is to maintain the Group's position as the world's largest primary silver company and Mexico's largest gold producer.

¹ Operations at Soledad-Dipolos are currently suspended.

FORWARD LOOKING STATEMENTS

Information contained in this announcement may include 'forward-looking statements'. All statements other than statements of historical facts included herein, including, without limitation, those regarding the Fresnillo Group's intentions, beliefs or current expectations concerning, amongst other things, the Fresnillo Group's results of operations, financial position, liquidity, prospects, growth, strategies and the silver and gold industries are forward-looking statements. Such forward-looking statements involve risk and uncertainty because they relate to future events and circumstances. Forward-looking statements are not guarantees of future performance and the actual results of the Fresnillo Group's operations, financial position and liquidity, and the development of the markets and the industry in which the Fresnillo Group operates, may differ materially from those described in, or suggested by, the forward-looking statements contained in this document. In addition, even if the results of operations, financial position and liquidity, and the development of the markets and the industry in which the Fresnillo Group operates are consistent with the forward-looking statements contained in this document, those results or developments may not be indicative of results or developments in subsequent periods. A number of factors could cause results and developments to differ materially from those expressed or implied by the forward-looking statements including, without limitation, general economic and business conditions, industry trends, competition, commodity prices, changes in regulation, currency fluctuations (including the US dollar and Mexican Peso exchanges rates), the Fresnillo Group's ability to recover its reserves or develop new reserves, including its ability to convert its resources into reserves and its mineral potential into resources or reserves, changes in its business strategy and political and economic uncertainty.