Patagonia Gold lifts Calcatreu PEA after — tax NPV to US$ 370 million in corrections

Patagonia Gold issued corrections to cost metrics and key economics for the Calcatreu gold-silver PEA released on Sept. 28, 2026. After-tax NPV at 10% discount rate revised to US$ 370 million from US$ 334 million; after-tax IRR lifted to 315% from 282%. After-tax payback period shortened to 0.5 years from 0.6 years. * Life-of-mine cash cost cut to US$ 1,332/oz Au from US$ 2,139; AISC reduced to US$ 1,439/oz Au from US$ 2,246. Silver recovery disclosure corrected to 45% from 30%, with no change to modeled production or economics. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Patagonia Gold Corp. published the original content used to generate this news brief via (Ref. ID: 202610060700PRIMZONECNPR____9840214) on October 06, 2026, and is solely responsible for the information contained therein. (C)