San Francisco, CA
September 10, 2007

ON24, Inc., the global leader of webcasting and rich media marketing solutions, today announced the opening of its new offices in Beijing, China. This expansion enables multinational, Chinese and Asia-Pacific-based companies to leverage sophisticated video and audio streaming solutions to support multilingual rich media marketing efforts in China and globally. With new Beijing offices located in Chaoyang District, ON24 is securing a strategic position in the Chinese and Asia-Pacific region, while extending the company's support, training and services to multinational and local companies, including Eli Lilly, GE, IBM, and IDG.

"As broadband access has become more prevalent for accessing Internet information in China and worldwide, we recognized that our Global 2000 and Chinese customers also had expanding global communications needs," stated Sharat Sharan, President & CEO of ON24, Inc. "Opening offices in Beijing is instrumental to our long-term strategy to expand our business relationships and partner network, while providing 24/7 support to our customers in China and throughout the Asia-Pacific region."

With offices in London, ON24's Beijing offices will be the company's second international location. Along with offices in New York and San Francisco and a vendor affiliate network throughout North America, Europe and Asia, ON24 can provide customer support in all major time zones.

ON24's webcasting and rich media marketing solutions provide companies with an end-to-end solution for pre-event promotion, event delivery and post-event analytics to maximize the effectiveness of online marketing campaigns. ON24 provides companies with the tools to schedule, produce and manage video streaming and audio events for various corporate and online marketing initiatives, such as lead generation, webinars, continuing professional education, and product launches. ON24's scalable and reliable webcasting solutions are also able to support multinational companies and audiences in multiple languages, such as simplified and complex Chinese, Japanese, German, French, Spanish and Korean.

About ON24's Beijing Office
14/F IBM Tower
Pacific Century Place
2A Workers Stadium Road North
Chaoyang District
Beijing, China 100027
Email: apac@on24.com

About ON24, Inc.
ON24 Inc. is the global leader of webcasting and rich media marketing solutions. ON24's solutions provide companies a full range of applications and services to meet corporate and marketing initiatives such as lead generation, conferences and events, product launches, continuing professional education, internal communications, and executive announcements.

More than 600 global organizations in publishing, technology, life sciences, government, and financial services rely on ON24, including Business Objects, Cardinal Health, Cisco Systems, CMP Media, Credit Suisse, Department of Education, GE Healthcare, Hewlett-Packard, IBM, Motorola, National Science Foundation, and Samsung. ON24 is headquartered in San Francisco, with offices in Washington, D.C., New York and London.