X0508 4 2025-05-28 0000041719 Magnera Corp MAGN 0001559208 Salmon Tom 9335 HARRIS CORNERS PKWY SUITE 300 CHARLOTTE NC 28269 1 0 Common Stock, Par Value $.01 2025-05-28 4 P 0 17000 11.942 A 35289 I The Thomas E. Salmon Revocable Living Trust Includes 18,289 shares incorrectly reported on Form 3 as directly owned. Represents shares of Issuer common stock held by The Thomas E. Salmon Revocable Living Trust, of which the reporting person and his wife are beneficiaries and serve as trustees. /s/ Laura A. Jones, attorney-in-fact for Thomas Salmon 2025-05-30