Subscriber note: Corrects Asian SM assessment for August 1, 2012

The Asian styrene monomer markers for August 1 were corrected following an assessment review. The markers were incorrectly published as $1,395/mt FOB Korea,$1,417/mt CFR China and $1,412/mt CFR Taiwan on August 1 and should read $1,400/mt FOB Korea, $1,422/mt CFR China and $1,417/mt CFR Taiwan. The affected pages include PCA215. The affected POTN codes include: AAMFL00, PHACB00 and AAMFI00. For further queries and feedback, please contact Gustav Holmvik, gustav_holmvik@platts.com with copy to petchems@platts.com and pricegroup@platts.com

Corrected prices:

(US$/mt) FOB Korea On day CFR China On day CFR Taiwan LC at sight Change LC 90 days Change LC 30 days Marker: 1399.50X -1400.50X * 22.50 1421.50X -1422.50X

** 22.50 1416X -1418 X ** H2 Aug : 1395X -1397 X 23.00 1417X -1419 X 23.00 H1 Sep : 1398X -1400 X * 23.00 1420X -1422 X ** 23.00 H2 Sep : 1400X -1402 X * 22.00 1422X -1424 X ** 22.00 H1 Oct : 1400X -1402 X 19.00 China Domestic 10525 -10575 (Yuan/mt ex-tank)

X = CORRECTED