Plan Booklet A guide to your Retirement Plan Benefits: Summary Plan Description Amendment DateAmendmentParticipationJuly 8, 2026204(h) Notice and Summary of Material Modification re Alaska IW Pension Trust merger with Northwest IW Retirement Trust Effective July 1, 2026All ParticipantsMay 11, 2026Summary of Material Modification – 2026 Benefit ChangesAll ParticipantsJuly 2, 2025Summary of Material Modification – Increase Accrual Rate and Accruing Contribution AmountAll ParticipantsDecember 2, 2024 Special Supplemental Benefit Announcement – In PayAll ParticipantsDecember 2, 2024 Special Supplemental Benefit Announcement – Not In PayAll ParticipantsSeptember 24, 2024Return to Work RulesAll ParticipantsDecember 29, 2023Special Supplemental Benefit Announcement – In PayAll ParticipantsDecember 29, 2023Special Supplemental Benefit Announcement – Not In PayAll ParticipantsMay 31, 2023Summary of Material Modification – Exception to Suspension RulesAll ParticipantsMarch 14, 2023Notice of Increase to Benefit Accrual Rate 2021 and 2022 Plan YearsAll ParticipantsOctober 26, 2022Summary of Material Modification – Changes to Return to Work RulesAll Participants