AUO Corporation ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced its preliminary consolidated December 2009 revenue of NT$37,104 million, down by 3.4% from the previous month but up 151.8% from the same period last year. For the year ended December 31, 2009, unaudited consolidated revenue totaled NT$359,599 million, resulting in a 15.2% Y-o-Y decrease.

The large-sized panel^(a) shipments for December 2009, with applications on desktop monitor, notebook PC, and LCD TV, were close to 9.1 million units, a decrease of 2.4 % from November 2009. As to small and medium-sized panels, the shipments were about 15.8 million units, down by 13.7% from last month since some applications are in seasonal slowdown.

Preliminary shipments of large-sized panels for the fourth quarter of 2009 exceeded 27.37 million units, up 2.5% from last quarter, a significant Y-o-Y increase of 81.5%. Shipments for small- and medium-sized panels reached around 60.08 million units, down by 7.3% from the third quarter, but representing a Y-o-Y increase of 26.8 %.

In terms of the 2009 full-year unit shipments, large-sized panels reached 89.64 million units, up 12.5% from 2008. Meanwhile, small and medium-sized panels exceeded 228.64 million units, representing an increase of 21.6% from last year.

(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)

Yawen Hsiao
Corporate Communications Division
AUO Corporation

No.1, Li-Hsin RD 2, Science-Based Industrial Park,
Hsinchu City 300, Taiwan, R.O.C.
Tel：+886-3-500-8899 ext：3211
Fax：+886-3-5772730

Email：Yawen.Hsiao@auo.com