Credit Suisse First Boston said on Wednesday it had launched a Euro 369.7m bond exchangeable into shares of Portugese cement company Cimpor. The bonds will mature in 2007, carry a coupon of 2 to 2.5 percent and be exchangeable into Cimpor shares at an exchange price of Euro 4.35. CSFB is also acting as sole bookrunner on the deal. CSFB will issue the notes following its purchase of 85 million Cimpor ordinary shares from C+P.A. Cimento e Produtos Associados and Libergeste, SGPS, Unipessoal, Lda, an affiliate of Holcim Ltd. CSFB also has arrangements in place to dispose of any of those shares not exchanged at maturity.