Trinseo, a global manufacturer of specialty polymers and plastics carved out of Dow by Bain Capital, raised $190 million by offering 10 million shares (all primary) at $19, the high end of the $17 to $19 range. At the IPO price Taminco has a fully diluted market value of $903 million and an enterprise value of $2.0 billion. Trinseo will list on the NYSE under the symbol TSE. Goldman Sachs, Deutsche Bank, Citi, Morgan Stanley, Barclays, BofA Merrill Lynch, HSBC, and Jefferies & Co. all acted as joint bookrunners on the deal.