ON24 Announces New Board Member

Virtual Events Leader Appoints Seasoned Tech Executive

SAN FRANCISCO, CA – February 22, 2010 – ON24, Inc., the global leader in webcasting and virtual event solutions, announced today the appointment of distinguished technology executive Dominique Trempont to its board of directors.

Trempont is a corporate executive and board member with experience leading multinational high-tech companies and start-ups. His areas of expertise range from material science to enterprise and SaaS software and services. He has served on the boards of several Fortune 500 public companies, including Energy Recovery and 3Com, and was the CEO at Kanisa, Inc., and Gemplus Corporation. He also helped lead the turnaround at NeXT Software, serving as both the CFO and, ultimately, the head of operations. He holds an MBA from INSEAD, where he also teaches international business.

“ON24 is pleased to have on its board of directors an internationally known industry executive like Dominique Trempont, and I know that his expertise will be invaluable as we continue to develop and implement successful corporate strategies,” said ON24 CEO Sharat Sharan.

About ON24, Inc.

The recognized global virtual events market share leader , ON24 is the world’s leading provider of webcasting and virtual environments for corporate communications and demand generation. ON24 offers fully integrated, enterprise-wide solutions for a wide range of applications, including training, conferences, company meetings, partner expos and virtual trade shows. More than 750 organizations in publishing, technology, life sciences, government and financial services, including IBM, Cisco, United Business Media, Credit Suisse, GE Healthcare, Oracle and the National Science Foundation, rely on ON24. The company is headquartered in San Francisco, with offices in New York, London and Singapore. For more information, visit https://www.ON24.com.