Announcement PDF 29 October 2025 Webinar Invitation to Shareholders September Quarterly Activities and Outlook Investigator Resources Limited (ASX: IVR) (“Investigator” or the “Company”) is pleased to invite shareholders to a Webinar Presentation and Discussion on the September Quarter Activities Report. Highlights • Paris Silver Project: DFS and permitting activities continue to advance in parallel, with optimisation work confirming a 1.5 Mtpa development scale delivers a robust and fundable project, and process engineering refinements delivering cost and design improvements. • Exploration Momentum: • Curnamona – maiden gold-copper drilling commencing Q4 CY25. • Uno Morgans hub & spoke – gravity and soil programs commencing Q4 CY25 to prioritise high-grade silver targets. • Paris Silver Corridor – gravity survey completed at Athena. Drilling planned to commence in the Corridor in Q1 CY2026. • Corporate Strength: $10 million placement completed at an 8.6 % premium to the 15-day VWAP, strengthening the institutional register and accelerating workstreams across DFS, permitting and exploration. Managing Director Lachlan Wallace will present an update on: • Progress of the Paris Silver Project and pathway to production, • Exploration across the Paris Silver Corridor and broader portfolio, and • The Company’s strategic direction as Australia’s only pure-silver development of scale. A Q&A session will follow the presentation. Shareholders and investors are encouraged to submit questions in advance when registering. ASX Release – Investigator Page | 2 When: Thursday 30 October 2025 Time: 9.00am AWST / 11.00am AEST / 11.30am ACST / 12.00pm AEDT Register: https://us02web.zoom.us/webinar/register/WN_zudiUqk1TICZB9vfrJPymw For further information, please contact: Lachlan Wallace Managing Director + 61 (0) 8 7325 222 lwallace@investres.com.au