September 28, 2000, San Jose, California - Tamper-evident closure supplier Portola Packaging Inc. announced today completion of an increase in its revolving credit line to $50 million from $35 million from Heller Financial, Inc., as Agent, with Bank of America as a syndication partner. The credit line is to be secured by accounts receivable, inventory and certain fixed assets.

The credit line matures August 31, 2004 and replaces the company's existing line of credit that expires September 30, 2000.

The increase will fund development activities and growth strategies of the company around the world.

Portola Packaging is a leading designer, manufacturer and marketer of tamper evident plastic closures used in dairy, fruit juice, bottled water, sports drinks, institutional food products and other non-carbonated beverage products. The Company also produces a wide variety of plastic bottles for use in the dairy, water and juice industries, including 5-gallon PET and polycarbonate water bottles. In addition, the Company designs, manufactures and markets capping equipment for use in high speed bottling, filling and packaging production lines as well as manufactures and markets customized five gallon water capping and filling systems. The Company is also engaged in the manufacture and sale of tooling and molds used in the blow molding industry.

For further information contact:

Dennis Berg
Vice President and Chief Financial Officer
Portola Packaging, Inc.
890 Faulstich Court
San Jose, California 95112
Telephone: (408) 573-2039 Fax: (408) 453-8462