This is from "The Jet-aircraft order website" aka "Yahoo! Groups-Order".
Under the December 2002 section, it mentioned that undisclosed customer has signed a firm order for 8 B777-300ER on December 31. Apparently this is a converted order from option to firm from EVA Airways. Currently, such order is officially unconfirmed.
EVA Airways ordered 7 B777-200LR/-300ER with 8 options on June 27, 2000.