Juan Angoitia

ASTM SpA is an industrial holding company which engages in management of motorway networks under concession, in the planning and construction of major infrastructure works and in technology applied to transport mobility. It operates through the following segments: Motorway Sector, Motorway/EPC Sector Planning and Construction Activities, EPC Sector, Technology Sector, and Services Sector. The company was founded on November 28, 1928 and is headquartered in Tortona, Italy.

ARDIAN Investment UK Ltd. operates as an investment manager and advisor to private equity funds. It offers its investors a diversified choice of funds covering the full range of asset classes, including Fund of Funds and Direct Funds. The firm is a subsidiary of Ardian SA. The company was founded in 1996 and is headquartered in London, the United Kingdom.

Founded in 2007, Citi Infrastructure Investors is a private equity firm located in New York City with an additional office in London. They manage the Citi Infrastructure Partners LP. The firm is a subsidiary of Citigroup Alternative Investments LLC and their ultimate parent is Citigroup, Inc. (NYSE: C).

Grupo Ferrovial SA is a Spanish engineering and construction group which provides commercial and residential construction, infrastructure, toll road, and car park management services. In addition, it also provides facility and infrastructure maintenance services. The company has operations in Europe (Spain, Portugal, Poland, and the UK), Canada, the US, Australia, and Latin America. It is headquartered in Madrid, Spain.