Portola Packaging Announces Future Press Release & Conference Call

January 13, 2006, Batavia, Illinois – Portola Packaging, Inc. will report its results for the first quarter ended November 30, 2005 in a press release to be issued on January16, 2006.

In addition, Executive Management will hold a conference call to discuss first quarter financial results. Details of the call are as follows:

Date of the call: January 17, 2006
Time of the call: 9:00AM Central Time
U.S. Dial In Number: 800-553-0327
International Dial In Number: 612-332-0530

A replay of the call will be available beginning on January 17, 2006 at 2:15PM Central Time and ending on February 17, 2006 at 11:59PM Central Time. Dial in numbers for the replay are:

U.S.: 800-475-6701
International: 320-365-3844
Access Code: 812260


Any questions should be directed to Michael Morefield at 630-326-2074.

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