Exhibit 99.1 Synchronoss Technologies Reports First Quarter 2024 Results Q1 Revenue Grew to $43.0 Million, Surpassing 91% Recurring Revenue GAAP Gross Margin Expands to 67%; Adjusted Gross Margin Rises to 76% Streamlined Operations Improve Profitability with Net Income Increasing by $15.7 Million Year-Over-Year; EPS Improved to $0.23 from $(1.39) in Q1 2023; Adjusted EBITDA Improved 78% to $10.9 Million Company Reaffirms 2024 Guidance BRIDGEWATER, NJ - May 7, 2024 - Synchronoss Technologies Inc. (“Synchrono ...