HONG KONG (Standard&Poor's) Sept. 23, 2009--Standard&Poor's Ratings Services said today that it had assigned its 'axAAA' ASEAN regional scale rating to ACE Insurance. Ltd. (Singapore) (local currency: A/Positive/--). The definitions of ASEAN regional scale issuer credit ratings are available in the "Criteria" section of Standard&Poor's public website www.standardandpoors.com. The ASEAN ratings reflect our current opinion of the overall creditworthiness of an insurer ("obligor") to meet its financial obligations as they come due, relative to other ASEAN (Association of Southeast Asian Nations) obligors: --An obligator rated 'axAAA' has the highest rating assigned on Standard&Poor's ASEAN regional scale, and has very strong capacity to meet its financial commitments on the obligation, relative to other