Exhibit 99.1 Opera Reports Both Revenue and Adjusted EBITDA Above Guidance in its Second Quarter 2023 Results 10th consecutive quarter of 20+% revenue growth, exceeding the high end of previously issued guidance on both revenue and adjusted EBITDA Q2 revenue grew 21% year-over-year, with an adjusted EBITDA margin of 22% Company released Opera One, the latest version of Opera’s flagship browser, incorporating new functionality and a redesigned experience Opera introduced ‘Aria’, a fully integrated browser AI ...