Toronto, Ontario--(Newsfile Corp. - October 6, 2025) - Avalon Advanced Materials Inc. (TSX: AVL) (OTCQB: AVLNF) ("Avalon" or the "Company") today announced that it has extended the deadline for shareholders to submit their votes (proxies or voting instruction forms) for the upcoming Special Meeting of Shareholders.Previous voting deadline: Friday, October 3, 2025, at 10:00 a.m. ET New voting deadline: Monday, October 6, 2025, at 4:00 p.m. ET Special Meeting date and time: Tuesday, October 7, 2025, at 10:00 ...