

Vancouver, British Columbia – June 15, 2026 – TheNewswire – Lighthouse Gold Corp. (CSE:LGHT) (“Lighthouse” or the “Company”) is pleased to announce that it has entered into a binding letter of intent (the “LOI”) to acquire a 100% interest in the Mariwa/Sardine Hill - Lower Cuyuni Gold Property (the “Property”), located within the highly prospective Oko Gold District in Guyana, South America. The acquisition will represent a strategic expansion of Lighthouse's Guyana-focused exploration portfolio and provides the Company with exposure to a historically productive gold district situated within the prolific Guiana Shield, one of the world's premier gold-bearing geological provinces. Key Highlights

Vancouver, British Columbia – April 21, 2026 - TheNewswire – Lighthouse Gold Corp. (CSE: LGHT) (“Lighthouse” or the “Company”) is pleased to announce the appointment of Mr. Reshud Mc Lennan as Exploration Manager of the Company and the commencement of its Phase I exploration program at the Aurora NW Project (“Aurora NW”) in Guyana. Mr. Mc Lennan is an experienced Guyanese exploration geologist and a member of the discovery team at Reunion Gold's Oko West Project, recently acquired by G Mining Ventures, and one of the most significant recent gold discoveries in the region.

Vancouver, Canada – TheNewswire - February 18, 2026 – Lighthouse Gold Inc. (CSE: LGHT) (“ Lighthouse ” or the “ Company ”) is pleased to provide an update on preparations towards the commencement of its maiden (Phase I) exploration program at the Aurora NW Project located in Guyana, South America. As previously announced, the Company entered into a definitive option agreement to acquire a 100% interest in the Aurora NW Project (the “Property”). The Property consists of four (4) Prospecting Permits Medium Scale (“PPMS”) totalling approximately 4,799 acres (1,942 hectares) located in the Cuyuni–Mazaruni (Region 7) region of Guyana.

Vancouver, Canada – February 3, 2026 – TheNewswire - Lighthouse Gold Inc. (" Lighthouse Gold " or the " Company ") (CSE: LGHT) is pleased to announce, further to its news release dated Decem ber 9, 2025 , that the Company has entered into a definitive option agreement dated February 3, 2026 (the “ Agreement ”), pursuant to which the Company acquired an option (the “ Option ”) to acquire a 100% interest in the Aurora NW Project, located in Guyana (the “ Property ”), comprising of associated mineral rights, permits and claims (the “ Transaction ”).
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