Rating History

Rating Date	Rating/Credit Watch
2012/02/08	NR / --
2011/09/05	twAAA (sf) / --
2009/03/03	twA (sf) / --
2008/12/23	twA (sf) / Watch Neg
2007/02/08	twA (sf) / --

Research Analysis

Publish Date	Subject
None

*Taiwan Ratings maintains continuous surveillance over its ratings and the “Rating date” below refers to the last date on which the ratings/outlook have been changed or the ratings on/off CreditWatch.
*Unless there is a material change in our rating views on a given entity, Taiwan Ratings does not update the “Rating date,” which is accordance with the general international practice for rating disclosures.