EX-99.(D) 5 dex99d.txt JOINT FILING AGREEMENT, DATED AS OF 2/9/2001 EXHIBIT D Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, the undersigned hereby agree to the joint filing with each other on behalf of each of them of this statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, $0.01 par value per share, of Ramtron International Corporation, and that this Agreement be included as an Exhibit to such joint filing. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument. IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 9th day of February, 2001. INFINEON TECHNOLOGIES AG By: /s/ Michael von Eickstedt --------------------------- Name: Michael von Eickstedt Title: General Counsel By: /s/ Horst Meyer --------------------------- Name: Horst Meyer Title: Corporate Legal Counsel SIEMENS AG By: /s/ Neils Hartwig --------------------------- Name: Neils Hartwig Title: Corporate Counsel By: /s/ Dr. Otmar Schmitt --------------------------- Name: Dr. Otmar Schmitt Title: Director, Finance