May 26 (Reuters) - S&P Dow Jones Indices:
* S&P DOW JONES INDICES - ESSENT GROUP SET TO JOIN S&P MIDCAP 400; COHERUS BIOSCIENCES, PATTERSON-UTI ENERGY TO JOIN S&P SMALLCAP 600
* S&P DOW JONES INDICES - COHERUS BIOSCIENCES WILL REPLACE OPUS BANK IN S&P SMALLCAP 600
* S&P DOW JONES INDICES - ESSENT GROUP WILL REPLACE PATTERSON-UTI ENERGY IN S&P MIDCAP 400
* S&P DOW JONES INDICES - PATTERSON-UTI ENERGY WILL REPLACE NOBLE CORPORATION IN S&P SMALLCAP 600 Source text for Eikon:
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