AU Optronics Corp. Reports May 2010 Consolidated Revenue

HSINCHU, Taiwan, June 7 /PRNewswire-Asia/ -- AU Optronics Corp. ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO) today announced its preliminary consolidated May 2010 revenue of NT$43,792 million, up by 6.4% from April and 57.9% year-over-year.

Large-sized panel(a) shipments for May 2010, with applications on desktop monitors, notebook PCs, LCD TVs and other applications exceeded 10.23 million units, up by 6% from the previous month, reaching a record high. As for small- and medium-sized panels, the shipments amounted to 18.54 million units, down by 12.2% month-over-month.

(a) Large-sized refers to panels that are 10 inches and above in diagonal

measurement, while small- and medium-sized refers to those below 10

inches.

Sales Report :(Unit: NT$ million)

Net Sales(1) (2) Consolidated(3) Unconsolidated

May 2010 43,792 41,474

April 2010 41,154 39,012

M-o-M Growth 6.4% 6.3%

May 2009 27,728 27,421

Y-o-Y Growth 57.9% 51.2%

Jan to May 2010 196,510 186,728

Jan to May 2009 102,828 101,963

Y-o-Y Growth 91.1% 83.1%

(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) Corp.

and its affiliates, Darwin Precision Corp. and its affiliates, BriView

Technology Corp., Toppan CFI (Taiwan) Co, Ltd., Lextar Electronics

Corp. and its affiliates, and AUO Energy Taiwan Corp.

ABOUT AU OPTRONICS

AU Optronics Corp. (AUO) is a global leader of thin film transistor liquid crystal display panels (TFT-LCD). AUO is able to provide customers with a full range of panel sizes and comprehensive applications, offering TFT-LCD panels in sizes ranging from 1.2 inches to greater than 65 inches. AUO generated NT$359.3 billion (US$11.2 billion) in sales revenue in 2009 with global operations in Taiwan, Mainland China, Japan, Singapore, South Korea, the U.S., and Europe. Additionally, AUO is the first pure TFT-LCD manufacturer to be successfully listed at the New York Stock Exchange (NYSE). AUO extended its market to the green energy industry in late 2008, and formally founded its Solar Photovoltaic Business Unit in October, 2009. For more information, please visit AUO.com.

Safe Harbour Notice

AU Optronics Corp. ("AUO" or the "Company") (TAIEX: 2409; NYSE: AUO), a global leader of TFT-LCD panels, today announced the above news. Except for statements in respect of historical matters, the statements contained in this Release are "forward-looking statements" within the meaning of Section 27A of the U.S. Securities Act of 1933 and Section 21E of the U.S. Securities Exchange Act of 1934. These forward-looking statements were based on our management's expectations, projections and beliefs at the time regarding matters including, among other things, future revenues and costs, financial performance, technology changes, capacity, utilization rates, yields, process and geographical diversification, future expansion plans and business strategy. Such forward looking statements are subject to a number of known and unknown risks and uncertainties that can cause actual results to differ materially from those expressed or implied by such statements, including risks related to the flat panel display industry, the TFT-LCD market, acceptance of and demand for our products, technological and development risks, competitive factors, and other risks described in the section entitled "Risk Factors" in our Form 20-F filed with the United States Securities and Exchange Commission on May 11th, 2010.