Adventus Mining Corporation and Salazar Resources Limited provided a project development update for the El Domo - Curipamba copper-gold project located in central Ecuador. So far in 2023, detailed engineering and procurement activities have continued to advance in parallel with ongoing and constructive engagement with government authorities for the environmental license and major agreement approvals that will allow for the commencement of construction as early as the fourth quarter of 2023. In addition, the Adventus Mining management team has identified and continue to evaluate several significant improvements to the Project that are expected to improve project economics inclusive of cost inflation factors.

Detailed engineering has continued to advance in 2023 and is currently 50% completed overall. The tailings storage and waste rock facilities, and open pit mine design are at 78% completion with full completion expected in the third quarter of 2023 ahead of the projected construction decision. The engineering design for the process plant is currently at 35% completion with firm quotations received and evaluated for all long-lead equipment.

Negotiations are at an advanced stage with the selected equipment providers in anticipation of purchase order release immediately upon receipt of the Project's nvironmental licensing approval. Metal equivalency based on USD 4.00/lb Cu, USD 1,886.20/oz Au, USD 1.36/lb Zn, USD 22.06/oz Ag and USD 0.93/lb Pb. Prices taken from 6-month contracts for precious metals and 3-month contracts for base metals from the London Metal Exchange, dated February 17, 2023.

Metal equivalency adjusted for metal recoveries based on detailed metallurgical data from Feasibility Study filed on SEDAR, effective data October 26, 2021. The report is titled - "NI 43-101 Technical Report, Feasibility Study, Curipamba El Domo Project, Central Ecuador". The El Domo and Curipamba project work program is being reviewed by Senior Geologist, Christian Paramo, P.G.