Announcement PDF ASX & OTC ANNOUNCEMENT 14 August 2023 The Manager Company Announcements Office Australian Securities Exchange Dear Manager, ADVANCE NOTICE – INVESTOR WEBINAR Following the quarterly report, a Lake Resources Investor webinar will be held on 23 August 2023. The briefing will commence at 11.00am AEST following the release of presentation material to the ASX. The webinar will be hosted by CEO, David Dickson, Senior Vice President Field Development & Evaluation, Sean MiIler, and Senior Vice President Technology, Strategy & Risk, Scott Munro. They will be speaking on the drilling program and resources and reserves at the Kachi Project, along with other updates since the company’s last webinar on 19 June 2023. Investors are encouraged to register ahead of the event, via this link. The webinar can be accessed by clicking here. Investors are also encouraged to submit questions in advance of the webinar, either directly on the registration form or to Karen Greene, Senior Vice President of Investor Relations and Communications, karen.greene@lakeresources.com.au. A recording of the webinar will be made available on the Company website. Investor inquires: karen.greene@lakeresources.com.au Media: Nigel Kassulke at Teneo M: +61407904874 E: Nigel.Kassulke@teneo.com About Lake Resources NL (ASX:LKE OTC:LLKKF ) Lake Resources NL (ASX:LKE, OTC: LLKKF) is a responsible lithium developer utilising state-of-the-art ion exchange extraction technology for production of sustainable, high purity lithium from its flagship Kachi Project in Catamarca Province within the Lithium Triangle in Argentina. Lake also has three additional early-stage projects in this region. This ion exchange extraction technology delivers a solution for two rising demands – high purity battery materials to avoid performance issues, and more sustainable, responsibly sourced materials with low carbon footprint and significant ESG benefits. ###