Operational Update: Bonanza Gold Mine

Bonanza underground geological mapping and grade control sampling complete; mining contractor mobilised to site

Further to the announcement on 12 January 2026, Nativo Resources plc (LON:NTVO), a gold-focused mining company with interests in Peru, is pleased to announce that the additional underground sampling programme has been completed. This involved taking a further 117 samples from focus areas within the Tesoro Concession to confirm the structural continuity of the vein system, support the commencement of production and optimise mine planning and grade control at the Bonanza Gold Mine ("Bonanza").

All samples were sent to SGS del Peru S.A.C. ("SGS"), an internationally recognised and independent laboratory, for multi-element analysis. The Company will report results once all assays have been returned and analysed in approximately three weeks A detailed report will be produced in support of the mine development.

Following the 26 January 2026 announcement, the Company is also pleased to confirm that the appointed mining contractor, Constructora e Inversiones Andina Kuboc C&P SAC ("Kuboc"), has mobilised to site. Kuboc is undertaking preparatory works, including widening shafts and galleries and installing equipment at the shaft head for more efficient recovery of material to the surface.

Stephen Birrell, Chief Executive Officer of Nativo, commented:

"We are pleased to have completed the underground sampling phase of the pre-mining programme, designed to confirm the structural continuity of the mineralisation and provide further confidence as we prepare to recommence mining operations at Bonanza.

It is also great to have the mining contractor on site, working closely with our technical team to complete preparatory works, representing an important step for the Company as we look to commence production in the near future."

X: https://x.com/nativoresources