Exhibit 99.1 TTEC Announces First Quarter 2025 Financial Results First Quarter 2025 Revenue was 534.2Million,down7.4PercentNetIncomewas3.2 Million or 0.6 Percent of Revenue (13.6Millionor2.6PercentofRevenueNon−GAAP)FIRSTQUARTER2025FINANCIALHIGHLIGHTSRevenueIncomefromOperationsAdjustedEBITDAwas56.4 Million or 10.6 Percent of Revenue Reiterates Outlook for Full Year 2025 AUSTIN, May 8, 2025 – TTEC Holdings, Inc. (NASDAQ:TTEC), a leading global CX (customer experience) technolog ...