Delisting Determination,The Nasdaq Stock Market, LLC, January 18, 2007, Intrusion Inc. The Nasdaq Stock Market, LLC (the Exchange) has determined to remove from listing the common stock of Intrusion Inc.(the Company), effective at the opening of business on January 29, 2007. Based on a review of the information provided by the Company, Nasdaq Staff determined that the Company no longer qualified for listing on the Exchange as it failed to comply with the following Marketplace Rules: 4310(c)(02). The Company was notified of Staffs determination on June 14,2006. The Company requested a review of the Staffs determination before the Listing Qualifications Hearings Panel. Upon review of the information provided by the Company, the Panel determined that the Company did not qualify for inclusion on the Exchange based on its failure to comply with the following Marketplace Rules: 4310(c)(02).The Company was notified of the Panels decision on October 10, 2006 and trading in the Companys securities was suspended on October 12, 2006. The Company did not request a review of the Panels decision by the Nasdaq Listing and Hearing Review Council. The Listing Council did not call the matter for review. The Panels Determination to delist the Company became final on November 24, 2006.