AdvanSix (ASIX) Proxy filing summary

Executive summary

• Annual Meeting scheduled for June 22, 2026, will be held virtually; record date is April 24, 2026.

• Stockholders will vote on electing nine directors, ratifying the independent auditor, and an advisory say-on-pay vote.

• Board recommends voting FOR all director nominees and both proposals.

• Proxy materials are available online, and multiple voting methods are provided.

Voting matters and shareholder proposals

• Proposal 1: Election of nine director nominees for a one-year term.

• Proposal 2: Ratification of PricewaterhouseCoopers LLP as independent registered public accountants for 2026.

• Proposal 3: Advisory vote to approve executive compensation.

• No additional shareholder proposals are on the agenda.

Board of directors and corporate governance

• Board reduced to nine members due to director retirement; eight of nine nominees are independent.

• New directors added in 2025 and 2026, identified through search firms and industry networks.

• Board committees: Audit, Compensation & Leadership Development (C&LD), Nominating & Governance, and Health, Safety & Environmental (HS&E), all comprised of independent directors.

• Board Chair and CEO roles are separated; Chair is independent.

• Annual board and committee self-evaluations drive continuous improvement.