AU Optronics Corp. Reports Oct. 2009 Consolidated Revenue

     (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)
    Net Sales (1) (2)    Consolidated (3) Unconsolidated
    October   2009         39,603             38,075
    September 2009         40,978             39,446
    M-o-M Growth           (3.4%)             (3.5%)
    October 2008           27,261             27,211
    Y-o-Y Growth            45.3%              39.9%
    Jan to Oct. 2009      284,073            278,190
    Jan to Oct. 2008      391,439            389,650
    Y-o-Y Growth          (27.4%)            (28.6%)

     (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)
         Corp., AU Optronics (Suzhou) Corp., AU Optronics (Shanghai) Corp., AU
         Optronics Manufacturing (Shanghai) Corp., AU Optronics (Xiamen) Corp.,
         Darwin Precisions (L) Corp., Darwin Precisions (Suzhou) Corp., Darwin
         Precisions (Xiamen) Corp., Darwin Precision Corp., BriView
         Electronics(L) Corp., BriView Electronics Corp., BVCH Optronics
         (Sichuan) Corp., BriView Technology Corp., AU Optronics (Czech)
         s.r.o., M. Setek Co., Ltd. and its affiliates, Toppan CFI (Taiwan) Co,
         Ltd., Lextar Electronics Corp., and AUO Energy Taiwan Corp.

    * DisplaySearch 2Q2009 WW Large-Area TFT-LCD Shipment Report dated August
      5, 2009. This data is used as reference only and AUO does not make any
      endorsement or representation in connection therewith. 2008 year end
      revenue converted by an exchange rate of NTD32.76:USD1.