April 10, 2008 - Batavia, Illinois - Portola Packaging, Inc. will report its results for the second quarter ended February 29, 2008 in a press release to be issued on April 14, 2008.

In addition, executive management will hold a conference call to discuss second quarter financial results. Details of the call are as follows:

Date of the call: April 15, 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 April 15, 2008 at 12:30 PM Central Time and ending on May15, 2008 at 11:59PM Central Time. Dial in numbers for the replay are:

U.S.: 800-475-6701
International: 320-365-3844
Access Code: : 918512