Proceedings of the First Workshop on Programming Language Approaches to Concurrency and Communication-cEntric Software Vasco T. Vasconcelos Nobuko Yoshida (editors) DI–FCUL TR–08–14 May 2008 Departamento de Inform´atica Faculdade de Ciˆencias da Universidade de Lisboa Campo Grande, 1749–016 Lisboa Portugal Technical reports are available at http://www.di.fc.ul.pt/tech-reports. The files are stored in PDF, with the report number as filename. Alternatively, reports are available by post from the above address.