EXHIBIT A JOINT FILING AGREEMENTJoint Filing Agreement • May 5th, 2008 • Mezzanine Management LTD • Services-detective, guard & armored car services
Contract Type FiledMay 5th, 2008 Company IndustryThe undersigned agree that this Schedule 13D dated May 5, 2008 relating to the common stock, par value $0.0001, of Argyle Security, Inc. shall be filed on behalf of the undersigned.