NOS SGPS SA, known as Zon Optimus SGPS SA, is a Portugal-based company engaged in the broadcasting and telecommunication industry. It was created as a result of a merger between ZON Multimedia Servicos de Telecomunicacoes e Multimedia SGPS SA (ZON) and Optimus - SGPS SA (OPTIMUS). The Company is active in the distribution of cable and satellite television; the production of movies, series, sport and children’s channels, and management of the advertising space on pay television (TV) channels and in cinemas. It is also involved in the provision of a range of mobile and wired communications services to residential and corporate customers, including voice, data, television (TV) and roaming services. Additionally, it operates in the audiovisual sector, which includes video production and sale, cinema distribution and exhibition, and the acquisition and negotiation of pay TV and video-on-demand rights. The Company is a subsidiary of ZOPT SGPS SA.