a) In Finance & Administration, Felipe Peres has been appointed sole Chief Financial Officer of Sigma Lithium Corporation and Sigma Brazil, consolidating the entire team under his leadership. Felipe joined the Company in 2020 and was Chief Financial Officer from 2020 to January 2023, leading Sigma Lithium to list at Nasdaq in 2021. He then acted as deputy to Ana on the Sigma Brazil site, leading the Company's contracts and procurement, cost controls, including the capital investments for the expansion of the current operations, with the expansion of the Greentech Lithium Processing Plant, as well as Human Resources and the site's IT department. Felipe also oversaw Sigma Brazil Site Administration and Finance. He has now seamlessly taken over the responsibilities that were previously under former Chief Financial Officer Rogério Marchini, who is departing the Company.