AU Optronics Corp. ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced preliminary consolidated December 2006 monthly revenues of NT$28,182 million and unconsolidated revenues totaled NT$28,150 million, decreasing 15.1% and 15.2% respectively from last month. On a year-over-year comparison, December 2006 consolidated and unconsolidated revenues increased by 14.6% and 14.5% correspondingly. 

Due to an early sign of controlling year-end inventory from some of customers and the seasonality, shipments of large-sized panels used in desktop monitor, notebook PC, LCD TV and other applications, reached 5.04 million units, a 12.8% decrease from November 2006. Shipments of small- and medium-sized panels totaled 7.20 million, a 12.4 % sequential decrease due to seasonal demand. 

Preliminary shipments of large-sized panels for the fourth quarter reached 16.62 million, a 31.7% sequential increase, while shipments for small- and medium-sized panels also increased to total 24.48 million, a 17.7 % sequential growth. 

For the year ended December 31, 2006, unaudited consolidated and unconsolidated revenue totaled NT$293,098 million and NT$293,028 million respectively, representing 34.8% and 34.9% Y-o-Y growth. Unit shipments increased by 59.1% for large-sized panels and 46.6% for small- and medium-sized panels. 

^(a) Large-size refers to panels that are 10 inches and above in diagonal measurement while small- and medium-size refers to those below 10 inches 

Sales Report: (Unit: NT$ million) 

(1) All figures are prepared in accordance with generally accepted accounting principles in Taiwan. 
(2) Monthly figures are unaudited, prepared by AU Optronics Corp. 
(3) Consolidated numbers include AU Optronics Corp., AU Optronics (L) Corporation, AU Optronics (Suzhou) Corporation, and AU Optronics (Shanghai) Corporation.