Additional Information and Where to Find It

This information pertains to this document and all related documents linked from this one. Broadcast intends to file with the SEC a joint proxy statement/information statement/prospectus and other relevant materials in connection with the merger. The joint proxy statement/information statement/prospectus will be mailed to the shareholders of AllDigital and Broadcast. Investors and security holders of AllDigital and Broadcast are urged to read the joint proxy statement/information statement/prospectus and the other relevant materials when they become available because they will contain important information about AllDigital, Broadcast and the merger. The joint proxy statement/information statement/prospectus and other relevant materials (when they become available), and any other documents filed by AllDigital or Broadcast with the SEC, may be obtained free of charge at the SEC's web site at www.sec.gov. In addition, investors and security holders may obtain free copies of the documents filed with the SEC by AllDigital by contacting Stephanie Hargis via email at ir@alldigital.com, or by phone 949-250-0701, x100. Investors and security holders are urged to read the joint proxy statement/information statement/prospectus and the other relevant materials when they become available before making any voting or investment decision with respect to the merger.

Paul Summers, AllDigital's Chairman of the Board and Chief Executive Officer, John Walpuck, AllDigital's Chief Financial Officer, and certain of AllDigital's other executive officers and directors may be deemed to be participants in the solicitation of proxies from the shareholders of AllDigital and Broadcast in favor of the merger. The other executive officers and directors of AllDigital who may be participants in the solicitation of proxies in connection with the merger have not been determined as of the date of this filing. A description of the interests of Mr. Summers, Mr. Walpuck and AllDigital's other executive officers and directors in AllDigital is set forth in the AllDigital's Annual Report on Form 10-K for the fiscal year ended December 31, 2012, which was filed with the SEC on April 1, 2013. Investors and security holders may obtain more detailed information regarding the direct and indirect interests of Mr. Summers, Mr. Walpuck and AllDigital's other executive officers and directors in the merger by reading the joint proxy statement/information statement/prospectus when it becomes available.