NOTICE OF FUTURE PRESS RELEASE & CONFERENCE CALL

December 20, 2007 - Batavia, Illinois - Portola Packaging, Inc. will report its results for the first quarter ended November 30, 2007 in a press release to be issued on January 9, 2008.

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 10, 2008
Time of the call:  10:00AM Central Time
U.S. Dial In Number:  888-400-7916
International Dial In Number:  703-925-2612

A replay of the call will be available beginning on January 10, 2008 at 12:30 PM Central Time and ending on February 10, 2008 at 11:59PM Central Time. Dial in numbers for the replay are:

U.S.:  800-475-6701
International:  320-365-3844
Access Code:  903055