Sayona Mining Limited announced that Mr. Lucas Dow has been appointed to the role of Chief Executive Officer effective 3 July 2024. Lucas first joined the Board as a Non-Executive Director on 14 February 2024 and will now assume the MD & CEO role with a hand over from Interim CEO, James Brown. It is expected James will remain as an Executive Director until 31 January 2025 to facilitate the hand over and business continuity after which he will return to a Non-Executive Director role.

Lucas is a highly experienced mining executive with a proven track record of outstanding performance across a diverse range of businesses, commodities and geographies, skills which will facilitate Sayona's next stage of growth as a leading North American lithium producer. Lucas has led resources organizations at the Chief Executive Officer level and held executive and Non-Executive Director roles in both listed and unlisted entities. As a mining engineer with extensive hands-on operational experience in both the mining resources and the renewable energy sector, he is well versed in global resource trends and growth markets.

Key experience profile for Lucas Dow: 2023 - Current: Non Executive Director at Bravus Mining & Resources (Australia). 2018 to­ 2022: CEO Adani Australia /Country Head, Non Executive Director ­ Adani Mining and CEO Adani Mining. Nov.

2019 ­to Mar 2020: Non Executive Director at Metro Mining - Bauxite. 2017 - 2018: Vice President Operations and Director Illawarra Coal- Engaged following government regulator suspending underground operations at Appin and Led and undertook extensive technical reviews and assessments, remediation works combined with a cultural program to safely lead the restart of underground operations and production. 2015 to­ 2017 as Director - Dow Advisory & Consulting (Australia, South Africa, Peru and Chile) ­ Copper, Manganese, Coal, Tin.

Various technical and transformation projects (i.e. processing debottlenecking, logistics throughput, trade-off studies, organisational design and transformation programs). 2013 to­ 2015: Chief Executive Officer (CEO and Asset President) at BHP Mitsubishi Alliance (Australia) ­ Metallurgical and thermal coal - Leadership and operation of integrated open cut and underground coal operations inclusive of logistics chain (+60Mtpa). Successful commissioning of two greenfield mines.

2011 ­to 2013: Head of Group Health, Safety, Environment and Community and Executive Director of BHP UK Charity. Establishment of global group HSEC performance standards and led a group of technical experts to develop such performance standards. 2009 to­ 2011: President BHP Billiton Pampa Norte and Company Director.

2009 ­to 2009: General Manager Spence and Director Minera Spence. 2008 to­ 2009: Vice President Technical Services Base Metals and Antamina Asset Leader and Director. 2003-2008: General Manager and Production & Logistics Manager at Samancor Manganese (Australia) - Manganese.

1998 - 2003: Various operational and engineering roles at BHP & New Hope Coal (Australia and Indonesia).