Jan 29 (Reuters) - Trinseo Sa:
* TRINSEO PROVIDES PRELIMINARY FOURTH QUARTER AND FULL YEAR 2017 FINANCIAL RESULTS
* TRINSEO SA - Q4 2017 NET INCOME IS ESTIMATED TO BE BETWEEN $117 MILLION AND $121 MILLION
* TRINSEO SA - ADJUSTED EBITDA IS ESTIMATED TO BE BETWEEN $167 MILLION AND $172 MILLION FOR Q4 2017
* TRINSEO SA SAYS “Q4 BENEFITED” FROM FAVORABLE PRE-TAX NET TIMING IMPACT OF ABOUT $15 MILLION VERSUS MINIMAL EXPECTED NET TIMING IMPACT ESTIMATE Source text for Eikon: Further company coverage: