Press Release Reuters>bcp.Is 23 July 2010 Exchange>MCP Bloomberg>bcp pl ISIN PTBCP0AM00007 Stress test results Banco Comercial Português informs that the results of the EU-wide stress test, coordinated and executed by the Committee of European Banking Supervisors (CEBS) in cooperation with the European Central Bank and the national supervisory authorities, have been disclosed. The results for Banco Comercial Português under this exercise, as well as the individual results of the other Portuguese banks involved, may be consulted at Bank of Portugal’s site at the following address: http://www.bportugal.pt/en-US/Supervisao/Pages/Exercicioeuropeudestresstest.aspx End of announcement Banco Comercial Português, S.A. Investor Relations Sofia Raposo Phone +351 211 131 080 [email protected] Corporate Communication Miguel Magalhães Duarte Phone +351 211 131 840 [email protected] Media Contact Erik T. Burns Phone +351 211 131 242 Mobile +351 917 265 020 [email protected] 1/1 Banco Comercial Português, S.A., a public company (sociedade aberta) having its registered office at Praça D. João I, 28, Oporto, registered at the Commercial Registry of Oporto, with the single commercial and tax identification number 501 525 882 and the share capital of EUR 4,694,600,000.00.