AdvanSix appoints Dana O'Brien and Daryl Roberts as independent directors

AdvanSix Inc.

Board expanded to nine members, eight independent; appointments effective Sept 2, 2025.
O'Brien, former SVP & CLO at Olin Corp, joins Nominating/Governance and C&LD committees.
Roberts, SVP & COO/Engineering at DuPont, joins HSE and C&LD committees.
No arrangements or family relationships with officers; standard non-employee director compensation.

item 5.02item 9.01

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