EXHIBIT 3.4(a) CERTIFICATE OF FORMATION OF PLASTIC CONTAINERS LLC The undersigned, an authorized natural person, for the purpose of forming a limited liability company, under the provisions and subject to the requirements of the State of Delaware (particularly Chapter 18, Title 6 of the Delaware Code and the acts amendatory thereof and supplemental thereto, and known, identified, and referred to as the "Delaware Limited Liability Company Act"), hereby certifies that: FIRST: The name of the limited liability company (hereinafter called the "Limited Liability Company") is Plastic Containers LLC. SECOND: The address of the registered office and the name and the address of the registered agent of the Limited Liability Company required to be maintained by Section 18-104 of the Delaware Limited Liability Company Act are Corporation Service Company, 1013 Centre Road, Wilmington, New Castle County, Delaware 19805-1297. IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation this 18th day of June, 1999. By: /s/ Kevin R. Shook ------------------------------------ Name: Kevin R. Shook Title: Organizer