AU Optronics Corp. September 2005 Consolidated Revenues Totaled NT$21,935 Million

AU Optronics Corp. September 2005 Consolidated Revenues Totaled NT$21,935 Million

HSINCHU, Taiwan, Oct. 6 /Xinhua-PRNewswire/ -- AU Optronics Corp. ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced another record month on revenues and shipments. AUO's preliminary consolidated September 2005 monthly revenues broke a record high for the third consecutive month to reach NT$21,935 million, while unconsolidated net sales totaled NT$21,934 million.

Driven primarily by shipments of large-sized panels(a) for applications such as desktop monitor, notebook PC, LCD TV and other applications, the new record reached a high of 2.79 million, a 2.2% increase from August 2005. Shipments of small- and medium-sized panels also reached historical highs on seasonal strength to total 7.40 million, a 29.0 % growth M-o-M.

Preliminary shipments of large-sized panels for the third quarter reached 7.97 million, a 13.2% sequential increase, while shipments for small- and medium-sized panels posted a 48.7% growth Q-o-Q to reach 17.58 million. Unit sales across the board exceeded third quarter guidance which was provided on August 3, 2005, primarily contributed by the new capacity from the smooth ramp-up of AUO's Gen. 6 fab.

Both preliminary consolidated and unconsolidated revenues for the month of September 2005 increased by 8.9% sequentially. On a year-over-year basis, September 2005 consolidated revenues increased by 69.6%, while unconsolidated net sales rose 69.9%.

For the three months ended September 30, 2005, preliminary consolidated and unconsolidated revenues totaled NT$59,505 million and NT$59,500 million respectively, both representing 28.7% Q-o-Q growth.

(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 September 2005 21,935 21,934 August 2005 20,140 20,137 M-o-M Growth 8.9% 8.9% September 2004 12,932 12,909 Y-o-Y Growth 69.6% 69.9% January to September 2005 144,589 144,510 January to September 2004 128,616 125,538 Y-o-Y Growth 12.4% 15.1%

(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, and AU Optronics (Suzhou) Corporation.

ABOUT AU OPTRONICS

AU Optronics Corp. ("AUO") is the world's third largest manufacturer* of large-size thin film transistor liquid crystal display panels ("TFT-LCD"), with approximately 14%* of global market share and generated net income of NT$168.1billion (US$5.3 bn) in 2004. TFT-LCD technology is currently the most widely used flat panel display technology. Targeted for 40"+ sized LCD TV panels, AUO's next generation (7.5-Generation) fabrication facility production is scheduled for mass production in 4Q 2006. The Company currently operates one 6th-generation, one 5th-generation, one 4th-generation, and three 3.5- generation TFT- LCD fabs, in addition to four module assembly facilities and a R&D fab specializing in low temperature poly silicon TFT and organic LED. AUO is one of few top-tier TFT-LCD manufacturer capable of offering a wide range of small- to large- size (1.5"-46") TFT-LCD panels, which enables it to offer a broad and diversified product portfolio.

* As shown on DisplaySearch Quarterly Large-Area TFT LCD Shipment Report dated June 6, 2005. The data is used as reference only and AUO does not make any endorsement or representation in connection therewith.

FOR MORE INFORMATION Yawen Hsiao Corporate Communications Dept. AU Optronics Corp. No.1, Li-Hsin Road 2, Science-Based Industrial Park, Hsinchu City, 300, Taiwan, R.O.C. Tel: +886-3-5008899 ext 3211 Fax: +886-3-5772730 Email:yawenhsiao@auo.com

Source: AU Optronics Corp.

CONTACT: Yawen Hsiao, Corporate Communications Dept. of AU Optronics Corp., +886-3-5008899 ext 3211, or Fax: +886-3-5772730, yawenhsiao@auo.com

Web site: http://www.auo.com/

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