Prospectiva Resources Begins Trading on the TSX Venture Exchange

Commences Drilling at Flagship São Francisco Copper-Gold Project in Brazil

TORONTO, Aug. 14, 2026 (GLOBE NEWSWIRE) — Prospectiva Resources Ltd. (TSX-V: PSVA) (“ Prospectiva ” or the “ Company ”), a Brazil-focused copper and gold exploration company advancing a portfolio of 100%-owned projects in the highly-prospective Borborema Belt, is pleased to announce that it has completed its qualifying transaction with Pentagon I Capital Corp, a capital pool company pursuant to the policies of the TSX Venture Exchange (the “ TSXV ” or the “ Exchange ”) previously announced on February 5, 2026. The Company’s common shares have been approved for listing on the TSXV and will commence trading today under the symbol “PSVA” at market open.

As the Company enters the public markets, it is well positioned to create value via:

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Dan James, Chief Executive Officer of Prospectiva said, “Listing on the TSX Venture Exchange is a significant milestone for Prospectiva and marks the beginning of an exciting new chapter for the Company. We believe Prospectiva offers investors a compelling opportunity to gain exposure to high-grade copper and gold exploration projects in one of Brazil’s most prospective and underexplored mineral belts. With a fully funded maiden drill programme about to commence at our flagship São Francisco Copper-Gold Project, an experienced technical team and a portfolio with significant district-scale growth potential, we are well positioned to advance our exploration strategy and build long-term shareholder value.”

The São Francisco Copper-Gold Project (“ São Francisco ” or the “ Project ”) is a 100% owned high-grade copper-gold project acquired in early 2026 (originally a flagship grass roots discovery by Yamana Gold Inc. in 2019). Previously completed exploration work includes approximately 5,900m of diamond drilling and a 29 line-km Induced Polarization survey (“IP”), the latter of which was never followed-up due to Yamana being acquired in 2023.

Following Prospectiva’s acquisition of the Project, the Company completed a fixed-loop electromagnetic survey (“FLEM”) in April 2026 comprising four loops and approximately 74 line-km. The survey identified conductive responses closely associated with known near-surface copper-gold mineralisation and historical IP chargeability anomalies.