Spark Energy Minerals Reports 1.54% Total Rare Earth Oxides in Boa Vista Soil Sample

• Spark Energy Minerals reported soil grades of 1.54% total rare earth oxides at Boa Vista within Brazil’s Arapaima project on October 23, 2026.
• Magnet rare earth oxides accounted for 35.3% of the peak sample’s total; 40 of 81 Boa Vista soils exceeded 500 ppm.
• A rock sample at the undrilled Encachoeirado target returned 137.1 grams per metric ton of gallium oxide, with 2,428 ppm rare earth oxides.
• Planned follow-up includes drilling at exposed rare earth zones at Boa Vista, with trenching and channel sampling at Encachoeirado, subject to financing.
• The surface samples do not establish mineralization continuity; no mineral resource or reserve has been estimated at Arapaima.

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. Spark Energy Minerals Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202610230700NEWSFILECNPR____20261023_320519_1) on October 23, 2026, and is solely responsible for the information contained therein.