DAY Ceridian HCM Holding Inc

TORONTO, Dec. 23, 2011 /CNW/ - Standard & Poor's will make the following changes in the S&P/TSX Canadian Indices: The shareholders of Daylight Energy Ltd. have approved the proposed acquisition of Daylight by Sinopec International Petroleum and Production Corporation (SIPC). Daylight shareholders will receive $CDN10.08 cash for each share held. Daylight will be removed from the S&P/TSX Composite and Capped Composite, the S&P/TSX Completion, the S&P/TSX Composite Dividend and Equity Income, the S&P/TSX Equity, Capped Equity and Equity Completion, the S&P/TSX Capped Energy and the S&P/TSX Composite Equal Weight Indices after the close of Thursday, December 29, 2011. Company additions to and deletions from an S&P equity index do not in any way reflect an opinion on the investment merits of the company. About S&P Indices S&P Indices, a leading brand of the McGraw-Hill Companies , maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Over $1.25 trillion is directly indexed to Standard & Poor's family of indices, which includes the S&P 500, the world's most followed stock market index, the S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, the S&P Global BMI, an index with approximately 11,000 constituents, the S&P GSCI, the industry's most closely watched commodities index, and the S&P National AMT-Free Municipal Bond Index, the premier investable index for U.S. municipal bonds. For more information, please visit: www.standardandpoors.com/indices. ### Standard & Poor's Canadian Index Operations CONTACT: Tony North Dave Guarino(416) 507-3204 1 212 438 1471sp_index@standardandpoors.com Dave_guarino@standardandpoors.com

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