ADTRAN Holdings, Inc. announces higher than expected preliminary Q2 2025 revenue

　　ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) (“ADTRAN Holdings” or the “Company”) today announced preliminary unaudited revenue for the quarter ended June 30, 2025. All figures in this release are approximate due to the preliminary nature of the announcement. This press release is being provided due to German ad hoc disclosure requirements, in light of the Company's expected overperformance relative to its previously issued revenue guidance. For the second quarter, preliminary revenue is expected to be in the range of $262.5 million to $267.5 million, which exceeds the Company’s previously announced guidance range of $247.5 million to $262.5 million.

　　ADTRAN Holdings’ Chairman and Chief executive Officer, Tom Stanton, stated, “Business conditions have continued to strengthen during the second quarter of 2025, and were supported by improved market conditions and growing customer demand for our products and services. We are pleased with our business performance and look forward to finalizing and reporting our full second quarter results in early August.”