Hsinchu, Taiwan,

AUO Corporation ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced preliminary consolidated March 2006 monthly revenues of NT$22,455 million and unconsolidated net sales totaled NT$22,447 million, increasing 4.0% and 3.9% sequentially. On a year-over-year comparison, March 2006 consolidated revenues increased by 53.6%, while unconsolidated net sales rose by 53.8%.

1Q2006 unaudited consolidated and unconsolidated revenues totaled NT$66,252 million and NT$66,241 million respectively, representing 70.6% and 70.7% Y-o-Y growth. Unit shipments increased by 55.3% for large-sized panels and 83.0% for small-and-medium-sized panels.

Shipments of large-sized panels^(a) used in desktop monitor, notebook PC, LCD TV and other applications, was flat at 3.19 million, a 0.1% increase from February 2006. Shipments of small-and-medium-sized panels presented a significant growth to 6.36 million, increasing 34.1% sequentially.

Preliminary shipments of large-sized panels for the first quarter was 9.38 million, declined 2.3% sequentially, while shipments for small-and medium-sized panels also declined slightly to total 15.81 million, a 0.8 % marginal decrease.

(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)