Press Release

ON24 to Provide Global Webcasting Support for CMO Council

Top Webcasting Company to Help Drive Education and Advocacy Mission for Influential Peer Group of 2,000 High-level Marketing Executives

Palo Alto, CA and San Francisco, CA – June 14, 2006 – The Chief Marketing Officer (CMO) Council, an elite affinity group of chief marketing executives worldwide, today announced that it has selected ON24, Inc. as its Global Technology Partner for webcast services. ON24 will support the CMO Council in the production of its webcasts supporting the Global Fluency programs and initiatives in 2006, as well as the Council's comprehensive programs focused on defining, aligning and elevating the role of marketing within global companies.

The CMO Council is dedicated to high-level knowledge exchange, thought leadership and personal relationship building among nearly 2,000 senior marketing decision makers controlling more than $50 billion in annual marketing spend worldwide.

“Our selection by the CMO Council demonstrates the growing international importance and relevance of webcasting to forward-thinking chief marketing executives,” said Sharat Sharan, President and CEO of ON24. “We are very excited to be selected as a Global Technology Partner by such a prestigious organization.”

“Webcasting is a great tool for marketing professionals, delivering a precisely controlled message to a virtually unlimited audience,” said Donovan Neale-May, CMO Council founder and executive director. “As the demonstrated leader in webcasting, ON24 was the obvious choice as a partner for the CMO Council.”

About ON24, Inc.
ON24 is the global leader of webcasting and video communications solutions. More than 500 leading companies including Cardinal Health, Cisco Systems, CMP Media, Credit Suisse, Hewlett-Packard, and Sun Microsystems use ON24 for activities such as lead generation, internal communications, conferences and events, product launches, sales training, continuing professional education, and executive announcements. Based in San Francisco, the privately held company was founded in 1998.

“A World of Webcasting Solutions. One Webcasting Provider”™ - is a trademark of ON24.

About the CMO Council
The CMO Council is dedicated to high-level knowledge exchange, thought leadership and personal relationship building among senior marketing and brand decision-makers across a wide-range of global industries. Nearly 2,000 top marketing executives are represented on the CMO Council, accounting for well over $50 billion in aggregated annual revenues. Visit the CMO Council website to find out about the initiatives geared to address executive marketers' challenges at www.cmocouncil.org.