Brief: TTEC Holdings Posts Q1 Revenue USD 633.3 Mln
May 3 (Reuters) - TTEC Holdings * Q1 operating income USD 44.4 million. * Q1 revenue USD 633.3 million * Q1 net income USD 20.9 million * Q1 adjusted EBITDA USD 82.9 million * Q1 capex USD 13.7 million * Q1 EPS USD 0.44 * Q1 adjusted EPS USD 0.78 * Outlook Q2 adjusted EBITDA USD 62-70 million * Outlook Q2 revenue USD 587-603 million