Viacom President and Chief Executive Officer Philippe Dauman to Speak at the Sanford Bernstein 23rd Annual Strategic Decisions Conference

Viacom Inc. (NYSE: VIA and VIA.B) today announced that Philippe Dauman, President and Chief Executive Officer of Viacom will speak at the Sanford Bernstein 23rd Annual Strategic Decisions Conference on Friday, June 1, 2007. His presentation, which is scheduled to begin at approximately 11:00 a.m. (ET), will be open to the general public through a live webcast on Viacom’s website at www.viacom.com. A replay of the audio webcast will be available in the “Presentations / Webcasts” section of the site.