June 27, 2006 - Batavia, Illinois - Portola Packaging, Inc. will report its results for the third quarter ended May 31, 2006 in a press release to be issued on July 10, 2006.

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

Date of the call:  July 11, 2006
Time of the call:  10:00AM Central Time
U.S. Dial in Number:  800-288-8961
International Dial in Number:  612-332-1025

A replay of the call will be available beginning on July 11, 2006 at 3:15 PM Central Time and ending on August 11, 2006 at 11:59PM Central Time.  Dial in numbers for the replay is:

U.S.:  800-475-6701
International:  320-365-3844
Access Code:  832957