CREDIT SUISSE INTERNATIONAL One Cabot Square Phone +44 (0)20 7888 8888 London E14 4OJ Fax +44 (0)20 7888 1600Letter Agreement • April 4th, 2007 • Ongoing Strategy Investments, SGPS, S.A. • Radiotelephone communications
The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the Transaction entered into between us on the Trade Date specified below (the “Transaction”). This Confirmation constitutes a “Confirmation” as referred to in the Agreement specified below.
JOINT FILING AGREEMENTJoint Filing Agreement • April 4th, 2007 • Ongoing Strategy Investments, SGPS, S.A. • Radiotelephone communications
The undersigned hereby agree that the statement on Schedule 13D with respect to the ordinary shares of Portugal Telecom, SGPS, S.A., dated March 28, 2007, is, and any amendments thereto (including any amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule13d-1(k) under the Securities Exchange Act of 1934, as amended.
