FOR IMMEDIATE RELEASE Ciena Reports Fiscal Third Quarter 2024 Financial Results ® HANOVER, Md. - September 4, 2024 - Ciena Corporation (NYSE: CIEN), a networking systems, services and software company, today announced unaudited financial results for its fiscal third quarter ended July 27, 2024. • Q3 Revenue: 942.3million•Q3NetIncomeperShare:0.10 GAAP; 0.35adjusted(non−GAAP)•ShareRepurchases:Repurchasedapproximately0.6millionsharesofcommonstockforanaggregatepriceof29.0 million ...