Hsinchu, Taiwan,

AUO Corporation ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced its preliminary consolidated and unconsolidated March 2009 revenue of NT$22,107 million and NT$21,937 million, up 43.7% and 43.2% respectively from February 2009. In terms of Y-o-Y comparison, they were down by 53.0% and 53.1% respectively.

In the first quarter of 2009, AUO’s unaudited consolidated and unconsolidated revenues totaled NT$50,733 million and NT$50,459 million. It represented a 15.1% and 15.2% Q-o-Q decrease, and a 62.9% and 63.0% Y-o-Y decrease.

Large-sized panel^(a) shipments for March 2009, with applications on desktop monitor, notebook PC, LCD TV and other applications, exceeded 5.93 million units, a substantial 48.8% M-o-M increase. As to small- and medium-sized panels, the shipments reached over 19.29 million units, also a significant 37.8% sequential increase.

In the first quarter of 2009, large-sized panel shipments reached 13.15 million units, a 12.8% Q-o-Q and a 40.3 %Y-o-Y decrease. Shipments of small- and medium-sized panels in the same quarter totaled 42.93 million units, down by 9.4% from last quarter, but a 13.9% Y-o-Y increase.

(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)