NOTICE OF FUTURE PRESS RELEASE & CONFERENCE CALL

November 9, 2007 - Batavia, Illinois - Portola Packaging, Inc. will report its results for the fourth quarter ended August 31, 2007 in a press release to be issued on November 21, 2007.

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

Date of the call:  November 26, 2007
Time of the call:  1:30PM Central Time
U.S. Dial In Number:  877-209-0397
International Dial In Number:  612-332-0923

A replay of the call will be available beginning on November 26, 2007 at 6:45 PM Central Time and ending on December 26, 2007 at 11:59PM Central Time.  Dial in numbers for the replay are:

U.S.:  800-475-6701
International:  320-365-3844
Access Code:  891393