Exhibit 99.1 Synchronoss Technologies Reports Second Quarter 2025 Results Second Quarter Revenue $42.5 Million, Including 92.6$33.9 Million Reaffirms All Full Year Guidance Metrics BRIDGEWATER, NJ - August 11, 2025 - Synchronoss Technologies Inc. ("Synchronoss" or the "Company") (Nasdaq: SNCR), a global leader and innovator in Personal Cloud platforms, today reported financial results for its second quarter ended June 30, 2025. Second Q ...