SUBSCRIBER NOTE: Platts corrects low-high deltas for May 24 Asia Butadiene

Please note that S&P Global Platts has corrected its Asian butadiene low-high deltas for May 24, 2019. The low-high deltas in the weekly assessments and weekly averages have also been corrected.

The correct assessments should read as follows: Symbol Low-High Midpoint Change BUTADIENE==================================================================== FOB Korea $/mt 999.00-1001.00 1000.000 0.000 (LC 30 days)

CFR China $/mt 1029.00-1031.00 1030.000 0.000 (LC 30 days)

CFR NE Asia $/mt 1059.00-1061.00 1060.000 0.000 (LC 30 days)

China Domestic Yuan/mt 8440.00-8460.00 8450.000 100.000 (LC at sight)

Symbol Low-High Midpoint Change BUTADIENE==================================================================== FOB Korea $/mt 999.00-1001.00 1000.000 0.000 CFR Taiwan $/mt 1029.00-1031.00 1030.000 30.000 CFR SE Asia $/mt 979.00-981.00 980.000 30.000 CFR China $/mt 1029.00-1031.00 1030.000 30.000 CFR Northeast Asia $/mt 1059.00-1061.00 1060.000 60.000

The daily assessment can be found in Platts Petrochemical Alert on page PC0718 and the weekly assessment can be found on page PC0314. For comments or queries please contact petchems@spglobal.com