Qualys Announces First Quarter 2021 Financial Results Revenue Growth of 12% Year-Over-Year GAAP EPS: $0.01; Non-GAAP EPS: $0.74 Raises 2021 Revenue Guidance to $402.5-$404.5 million News provided by Share this article Share this article FOSTER CITY, Calif., May 5, 2021 /PRNewswire/ -- Qualys, Inc. (NASDAQ: QLYS), a pioneer and leading provider of disruptive cloud-based IT, security and compliance solutions, today announced financial results for the first quarter ended March 31, 2021. For the quarter, the Company reported revenues of $96.8 million, net income under United States Generally Accepted Accounting Principles ("U.S. GAAP") of $0.2 million, non-GAAP net income of $29.8 million, Adjusted EBITDA of $44.6 million, GAAP net income per diluted share of $0.01, and non-GAAP net income per diluted share of $0.74.