Suntech to Announce First Quarter 2012 Financial Results on May 23, 2012

SAN FRANCISCO and WUXI, China, May 11, 2012 / — Suntech Power Holdings Co., Ltd. (NYSE: STP), the world’s largest manufacturer of solar panels, will announce its financial results for the first quarter ended March 31, 2012, before the U.S. market opens on Wednesday, May 23, 2012. Suntech management will host a conference call that day at 8:00a.m. U.S. Eastern Time (which corresponds to 8:00p.m.Beijing/Hong Kong time and 12:00p.m. Greenwich Mean Time on May 23, 2012) to discuss the Company’s results.

Dial-in details for the earnings conference call are as follows:

A replay of the conference call may be accessed until May 30, 2012 by dialing:

Additionally, a live and archived webcast of this conference call will be available on the Investors section of Suntech’s website at http://ir.suntech-power.com

About Suntech

Suntech Power Holdings Co., Ltd. (NYSE: STP) produces industry-leading solar products for residential, commercial, industrial, and utility applications. With regional headquarters in China, Switzerland, and the United States, and gigawatt-scale manufacturing worldwide, Suntech has delivered more than 25,000,000 photovoltaic panels to over a thousand customers in more than 80 countries. Suntech’s pioneering R&D creates customer-centric innovations that are driving solar to grid parity against fossil fuels. Our mission is to provide everyone with reliable access to nature’s cleanest and most abundant energy source.

For more information about Suntech’s people and products visit http://www.suntech-power.com

For further information, please contact:

Suntech Power Holdings, Co. Ltd.
Rory Macpherson
Investor Relations Director
Email: ir@suntech-power.com