Ribbon munications (RBBN) - 2025 Q1 - Quarterly Results

Exhibit 99.1 Ribbon Communications Inc. Reports First Quarter 2025 Financial Results Projecting Strong 1H25 with 5-8% YoY Revenue Growth Backlog Increased 35% on Growing Service Provider Demand Federal and Enterprise Deal Timing Af ected 1Q25 Results but Delivering in 2Q PLANO, Texas – Ribbon Communications Inc. (Nasdaq: RBBN), a leading supplier of real-time communications technology and IP optical networking solutions, today announced its financial results for the first quarter of 2025. Ribbon Communicati ...