March 10, 2004 - San Jose, California – Portola Packaging, Inc. will report its results for the second quarter ended February 29, 2004 in a press release to be issued on March 17, 2004.

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

Date of the call: March 18, 2004
Time of the call: 10:00 AM PST
U.S. Dial In Number: 888-428-4471
International Dial In Number: 612-332-1210

A replay of the call will be available beginning on March 18th, 2004 at 1:30 PM PST and ending on March 25th, 2004 at 11:59 P.M. PST. Dial in numbers for the replay are:

U.S.: 800-475-6701
International: 320-365-3844
Access Code: 724552