Exhibit 99.1 ON24 Announces Fourth Quarter and Full Year 2023 Financial Results • Launched next generation ON24 Intelligent Engagement Platform and AI-Powered ACE • Ended 2023 with Core Platform ARR of $136.2 Million; Core Platform ARR performance for Q4 sequentially close to break-even • Q4 improvement in key metrics; Exceeded profitability targets for third quarter in a row SAN FRANCISCO--(BUSINESS WIRE)--ON24 (NYSE: ONTF), an intelligent engagement platform for B2B sales and marketing, today announced fi ...