definiens: shall mean the Rights Agreement dated May 6, 2003between Alamo and Mellon Investor Services LLC, as Rights Agent ( including Exhibit A thereto, the Certificate ofDesignation, Preferences and Rights of Series A Junior Participating Preferred Stock ), as amended by Amendment to RightsAgreement dated March 4, 2005 between Alamo and Mellon Investor Services LLC ( including Exhibit A thereto, theCertificate of Designation, Preferences and Rights of Series A Junior Participating Preferred Stock ), Amendment to RightsAgreement dated January 29, 2007 between Alamo and Mellon Investor Services LLC ( including Exhibit A thereto, theCertificate of Designation, Preferences and Rights of Series A Junior Participating Preferred Stock ), and Amendment to RightsAgreement, dated as of July 17, 2009, between Alamo and Mellon Investor Services LLC ( including Exhibit A thereto, theCertificate of Designation, Preferences and Rights of Series A Junior Participating Preferred Stock )