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The Company’s common stock began trading on the New York Stock Exchange on February 14, 1929. S&P Global’s common stock began trading under its current stock symbol ‘SPGI’ on April 28, 2016. Since the 1950s, the stock traded under the ticker ‘MHP,’ and under the ticker ‘MHFI’ since 2013. Historical stock prices for 'MHP' and ‘MHFI’ are available under the new ‘SPGI’ symbol. The CUSIP has been changed from 580645109 to 78409V 104.