Adam Pierson

Partner, Riyadh



Adam Pierson is a partner in of our Project Development and Group, who is seconded to The Law Office of Megren M. Al-Shaalan.

Adam is a partner in our Saudi Arabia practice and a member of the Energy, Infrastructure, Project and Asset Finance group. He has advised procurers, lenders, sponsors and governments in relation to large, complex and high-profile infrastructure and project finance transactions, including numerous PPP projects. He has worked across a variety of sectors including oil and gas (including refineries, petrochemicals and bulk plants), power generation (including gas, coal and renewables), utilities (including water, wastewater, waste and industrial gases), transport (including airports, rail, ports and logistics), real estate (including hotels, accommodation, mixed use developments and social housing), social infrastructure (health and education), defence and government security (including asset procurement, e-borders and specialist training centres) and organizational (including business process outsourcing and facilities management).

While working in London, Adam advised on some of the UK's mega infrastructure projects, including advising the UK's Department of Transport in relation to the restructuring and sale of the UK's High Speed Rail Link to the Channel Tunnel (HS1) and a bidder in relation to the Crossrail rolling stock PPP procurement and financing.

Whilst part of our Saudi Arabia practice, Adam's practice has focused primarily around the oil and gas, petrochemicals, transport infrastructure, power, utilities and real estate sectors. He has advised on several mega- and award-winning projects, including the US$20 billion world-scale integrated Sadara Petrochemical Complex, the US$2.1 billion Air Separation Unit (ASU) project in Jazan (the world's largest industrial gas complex), and the Riyadh Metro Project, as well as work in relation to the SATORP, SASREF, SAMREF and YASREF refineries.

Bars and Courts
England and Wales
College of Law


London School of Economics


Representation of Saudi Aramco on its US$2.1 billion Air Separation Unit (ASU) project in Jazan, which achieved financial close in June 2015.  Once completed, the project will be the world's largest industrial gas complex. This transaction was recognized as "MENA Petrochemical Deal of the Year 2015" by IJ Global, "Industrial Deal of the Year 2015 (Middle East and Africa)" by Project Finance International (PFI) and “Global Finance Deal of the Year: Projects” by the American Lawyer.

Representation of Saudi Aramco in connection with its joint venture with The Dow Chemical Company to build and operate a US$20 billion world-scale integrated chemicals complex in Jubail Industrial City in Saudi Arabia's Eastern Province.

Representation of Saudi Aramco in connection with the development of an air separation plant for the supply of nitrogen and oxygen to the Sadara Chemical Company Project in Jubail, Saudi Arabia.

Representation of Saudi Aramco in connection with the development of an industrial gas plant for the supply of hydrogen, carbon monoxide and ammonia to the Sadara Chemical Company Project in Jubail, Saudi Arabia.

Representation of Saudi Aramco regarding the development of its Jubail II Bulk Plant for the offtake of petroleum and diesel from its joint venture 400 000-barrels-per-day Satorp refinery in Jubail, Saudi Arabia.

Representation of Jeddah Economic Company (the principal shareholder of which is Kingdom Holding) on the financing of its mixed-use real estate development north of Jeddah, including the Kingdom Tower which is to be the world's tallest building.