ADVA Optical Networking SE announced Financial outlook for the first quarter and full year 2021. For the quarter, expects revenues to be in the range of EUR 580 million and EUR 610 million and a pro forma operating income of between 6.0% and 9.0% of revenues. For the year, the company expects revenues to be in the range of EUR 580 million and EUR 610 million and a pro forma operating income of between 6.0% and 9.0% of revenues.