Your message with subject Mail Delivery (failure chevweb@chevrontexaco.com) sent on 03/22/2004, 11:00:21 AM contained one or more attachments not allowed by ChevronTexaco and was blocked.

CAUTION - ChevronTexaco Corporation has detected one or more computer viruses in an Email message sent through our Email system. The infected message was blocked and will not be delivered to recipients hosted by ChevronTexaco computer systems.

Please run an antivirus application to ensure your computer is free from viruses prior to sending additional Email.

Information about the affected message follows:

Message Date: 03/22/2004, 11:00:21 AM Message Subject: Mail Delivery (failure chevweb@chevrontexaco.com) Message Recipients:

chevweb@mssite01.ion.chevron.com

Reason: Virus Scanner found the W32/Netsky.p@MM virus in the attached file: message.scr