Correction: NWE PS GBP, dollar assessments February 24, 2012

Due to a data entry error, the GBP contract and dollar FD NWE Northwest European contract polystyrene and EPS prices for February 29, 2012, were published incorrectly.

The correct prices are shown below:

PS: Germany Holland Italy France Britain Spain Euro/MT Euro/MT Euro/MT Euro/MT GBP/MT Euro/MT G-P - - - - 1420-1429 - G-P Net - - - - 1207-1215 - HIPS - - - - 1533-1542 - HIPS Net - - - - 1320-1328 - EPS - - - - 1295-1303 - G-P HIPS EPS G-P Nets HIPS Nets FD NWE SPOT - - - Euro/MT FD NWE CONTRACT 2264-2277 2444-2457 2063-2077 1923-1936 2103-2117 $/MT FOB NWE - - - $/MT CFR Turkey* - - - $/MT CFR North Africa - - $/MT

Notes: *Istanbul; FD NWE Contract = FD Germany converted into US Dollars x=Corrected

For further details please contact Miguel Cambeiro on Miguel_Cambeiro@platts.com or telephone +44-20-7176-6124.