Kraton Performance Polymers, which is the world's #1 producer of styrenic block copolymers backed by Texas Pacific Group and JPMorgan, raised $139 million by offering 10.3 million shares at $13.50 per share, more than 20% below the midpoint of its $16-$18 range. Kraton Performance Polymers plans to list on the NYSE under the symbol KRA. Credit Suisse was the lead manager on the deal.