New test results support RZOLV as a potential breakthrough solution for complex gold-copper ores, with the potential to avoid cyanide-related SART complexity

Vancouver, British Columbia - Newsfile Corp. - April 16, 2026 - RZOLV Technologies Inc. (TSXV: RZL) (OTCQB: RZOLF) (FSE: S711) ("RZOLV" or the "Company") is pleased to report the results of recent metallurgical test work in which the Company achieved approximately 97.0% gold recovery on a complex copper-gold ore using the RZOLV formula, without pretreatment. The tested material graded approximately 9.6 g/t gold and 2.12% copper and is hosted within an alkaline gold-copper porphyry system. The gold mineralization is interpreted to be low-sulphidation epithermal mineralization. The Company believes these results are significant because copper-bearing gold ores are widely recognized as challenging for conventional cyanide processing. SGS technical publications note that copper minerals can materially increase cyanide consumption and complicate solution management, and that where cyanide-soluble copper becomes significant, operators may consider adding a SART circuit to precipitate copper sulphide and recover cyanide for recycle. By achieving approximately 97.0% gold recovery on this copper-bearing ore without pretreatment, RZOLV believes the test work supports the potential for a simpler and potentially lower-cost processing route relative to a conventional cyanide alternative on similar mineralization. RZOLV Technologies conducted bottle roll leach tests on the subject material to evaluate performance under controlled laboratory conditions. The test was conducted at 20% pulp density on a 150 g sample crushed to a target size of -500 µm and run for 168 hours with solution sampling at regular intervals. Figure 1 — Gold Recovery Over Time (Test 137-1, Cu/Au Sample – RZOLV 168 Hours) To view an enhanced version of this graphic, please visit: https://images.newsfilecorp.com/files/11597/292813_rzolv.jpg Table 1 — Gold Recovery Over Time (Cu/Au Sample - RZOLV 168 Hours)

Test	Assayed Head Au (g/t)	Calculated Head Au (g/t)	Final Residue Au (g/t)	Recovery @24h	Recovery @48h	Recovery @72h	Recovery @96h	Recovery @120h	Recovery @168h
137	9.5	9.6	0.29	33.95%	79.67%	87.90%	91.27%	91.35%	96.97%

Analytical Basis Testing was carried out at ambient laboratory temperature. Process pH and oxidation-reduction potential were monitored during the tests. Solution samples were collected at closely spaced intervals during the initial 4 hours to characterize early-stage kinetics, followed by additional sampling at 24, 48, 72, 96, and 120 hours. Gold extraction values reported herein are based on internal solution and residue calculations generated during the test program. Final solid residues from the test were subsequently submitted to ALS Laboratories for independent assay verification. Results are presented above. "This is an important result for RZOLV because it goes well beyond recovery alone," said Duane Nelson, President & CEO of RZOLV Technologies. "To achieve this high gold recovery on a copper-bearing complex ore without pretreatment suggests that RZOLV may offer a practical alternative in mineral systems where cyanide can become penalized by copper. If supported by further work, this could translate into simpler plant design, lower capital costs, lower reagent penalty, and the potential to avoid the need for a costly SART circuit that might otherwise be required under a cyanide flowsheet." The Company believes the implications of this result may include:

• Potential flowsheet simplification, by reducing or potentially eliminating the need for a separate copper-cyanide management circuit;
• Lower capital intensity, through the possible avoidance of a SART plant and related supporting infrastructure;
• Reduced operating complexity, including fewer unit operations and less process management associated with copper-cyanide recycling;
• Improved project economics, particularly for lower-grade or copper-bearing gold ores where processing costs are highly sensitive to reagent consumption and circuit complexity; and
• Expanded market relevance for RZOLV, further supporting its potential application in ore types that can fall within conventional cyanide "penalty" windows.

The Company further notes that the absence of pretreatment in this test work is particularly encouraging. Pretreatment steps can add...