With Adtran's technology, eCommunity ™ Fiber is establishing a robust infrastructure that will improve public services and drive economic growth across the region, creating a blueprint for other cities looking to modernize their digital infrastructure." About Adtran ADTRAN Holdings, Inc. (NASDAQ: ADTN and FSE: QH9) is the parent company of Adtran, Inc., a leading global provider of open, disaggregated networking and communications solutions that enable voice, data, video and internet communications across any network infrastructure. From the cloud edge to the subscriber edge, Adtran empowers communications service providers around the world to manage and scale services that connect people, places and things. Adtran solutions are used by service providers, private enterprises, government organizations and millions of individual users worldwide.