Exhibit 22.1

Guarantors and Issuers of Guaranteed Securities
    Each of the following entities has fully and unconditionally guaranteed the 4.125% Senior Notes due 2024 issued by Graphic Packaging International, Inc. (predecessor to Graphic Packaging International, LLC):

Name of Guarantor

Role
Jurisdiction of Incorporation or Organization
Graphic Packaging Holding Company Parent Guarantor Delaware
Field Container Queretaro (USA), L.L.C. Subsidiary Guarantor Delaware
Handschy Holdings, LLC Subsidiary Guarantor Delaware
Handschy Industries, LLC Subsidiary Guarantor Delaware
Riverdale Industries, LLC Subsidiary Guarantor Delaware
GPI WG Acquisition Sub, LLC* Subsidiary Guarantor Delaware
Walter G. Anderson, Inc.* Subsidiary Guarantor Minnesota
*Each of these entities has been merged out of existence.

    Each of the following entities has fully and unconditionally guaranteed (i) the .821% Senior Secured Notes due 2024; (ii) the 1.51% Senior Secured Notes due 2026; (iii) the 4.75% Senior Unsecured Notes due 2027; (iv) the 3.5% Senior Unsecured Notes due 2028; (v) the 2.625% Senior Unsecured Notes due 2029; (vi) the 3.5% Senior Unsecured Notes due 2029; and (vii) the 3.75% Senior Unsecured Notes due 2030:

Name of Guarantor

Role
Jurisdiction of Incorporation or Organization
Graphic Packaging International Partners, LLC Parent Guarantor Delaware
Field Container Queretaro (USA), L.L.C. Subsidiary Guarantor Delaware