Shareholders led by Tariq Hamoodi, who holds an 4.23% interest in Nanoco, asked for CEO Brian Tenner and Chief Finance Offer Liam Gray to step down from their roles and board, according to a letter dated March 10, made public on Monday.

(Reporting by Radhika Anilkumar in Bengaluru;Editing by Nivedita Bhattacharjee)