Outlook 2003 miss printing recipient name in CC field in HTML format

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There is a rare case when printing a HTML mail in Outlook 2003.
There are 3 users' name in the CC field with format "LastName,
FirstName".

Example: "LastName1, FirstName1; LastName2, FirstName2; LastName3,
FirstName3"

However, after print out, the word "FirstName3" at the right most line
of CC field is not printed.

This happened in about 50% of user's PC by randomly testing.

Anyone got the same problem?