
Revenue increased 18% sequentially and Profitability improved by $20M; further gains expected in 2H 2026 Record IP Optical Quarterly Bookings led by growth in North America; Critical Infrastructure and DCI Wins Large Enterprise momentum, including selection by Salesforce for Agentforce Contact Center PLANO, Texas, July 28, 2026 /PRNewswire/ -- Ribbon Communications Inc. (Nasdaq: RBBN), a global leader in real-time communications technology, IP routing, and optical networking solutions, today announced its financial results for the second quarter of 2026. Second Quarter 2026 Highlights Financial Results ¹: Revenue was $192 million, compared to $221 million for the second quarter of 2025 GAAP Operating Loss was ($12) million, compared to income of $4 million for the second quarter of 2025 Non-GAAP Adjusted EBITDA was $12 million, compared to $32 million for the second quarter of 2025 GAAP Gross Margin was 47%, compared to 49.6% for the second quarter of 2025 Non-GAAP Gross Margin was 49.3%, compared to 52.1% for the second quarter of 2025 "We had meaningful sequential improvement in revenue and profitability in both of our operating segments in the second quarter, with key financial metrics above the mid-point of our guidance.










