Freqency adjustment for contract benzene and paraxylene (corrected)

The following announcement was originally posted on September 21, 2011, and the frequencies were inadvertenly posted as daily. Here is the corrected announcement with the frequencies correctly posted as weekly.

The following symbols have had their frequencies adjusted from monthly to weekly.

MDC Symbol Bates Dec Freq Curr UOM Description HF AATUO00 c 2 WA USD MT JX Nippon CP nomination benzene HF AATUP00 c 2 WA USD MT JX Nippon CP settlement benzene HF AAUBW00 c 2 WA USD MT Sinopec CP nomination PX $/Mt HF AAUBY00 c 2 WA CNY MT Sinopec CP nomination PX Yuan/Mt HF AAUBX00 c 2 WA USD MT Sinopec CP settlement PX $/Mt HF AAUBZ00 c 2 WA CNY MT Sinopec CP settlement PX Yuan/Mt