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About Jason

Jason Fox has 35 years of experience as an energy finance lawyer. He focuses on the upstream sector and has advised on over 150 reserve based lending (RBL) financings, as well as numerous other financings in the wider energy sector.

Recent ranking publications acknowledged Jason’s leading position as an adviser in the energy finance sector. “He is the leading reserve based lending lawyer in the market,” Chambers UK (2023). “He is the god of RBL and upstream finance,” Chambers UK (2023). He is the “first choice lawyer for any energy-related deal,” The Legal 500 United Kingdom (2021). Jason is the “guru of oil and gas bank financing” and “the king of reserve based lending,” Chambers UK (2018). He is “exceptionally experienced on reserve based lending work for upstream oil and gas exploration,” Chambers UK (2016). “Jason Fox is ‘the go-to lawyer and first on the list when considering any new instruction.’” IFLR (2016)“Jason Fox has ‘extraordinary credentials, he is the pre-eminent practitioner in reserve based financing,’” The Legal 500 United Kingdom (2016).

He is the best in the market for reserved based lending and his unrivalled experience means that he can apply that knowledge and come up with innovative structures.
Chambers UK, 2022


Recent Notable Matters

Navitas Petroleum and Beacon Offshore Energy — up to $1.4 billion development financing and reserve based lending facilities in relation to the Shenandoah oil & gas field in the US Gulf of Mexico

Carlyle International Energy Partners — finance counsel in The Carlyle Group’s acquisition of Occidental’s entire onshore portfolio in Colombia for a total consideration of $825 million

Société Générale — up to $650 million borrowing base facility to Cobalt Energy provided by Société Générale, Credit Agricole and Commonwealth Bank of Australia, as a mandated lead arranger

Delek Energy L.P. — $1.75 billion financing for the development of the Leviathan Field, offshore Israel

DNB Bank, ING Bank and Natixis — $600 million acquisition financing to Siccar Point Energy Limited to acquire OMV (UK) Limited

FlowStream Commodities Limited — $200 million stream to Cairn Energy

Neo Energy — $500 million senior secured facilities

HSBC Bank plc — $100 million secured revolving credit facility for KrisEnergy, an independent upstream E&P company with a focus on Southeast Asia

BNP Paribas — $400 million senior secured credit facility to Ithaca Energy, an oil and gas exploration, development and production company active in the UK's Continental Shelf, as lead arranger

Etablissements Maurel & Prom SA — up to $650 million revolving credit facility arranged by BNP Paribas, Crédit Agricole Corporate and Investment Bank, Natixis and Standard Chartered Bank

Neptune Energy Group Holdings Limited — debt financing aspects of the $3.9 billion acquisition of a majority stake in ENGIE E&P International

ING Bank N.V. and a syndicate of five lenders — $900 million borrowing base facility for ONE-Dyas, based on oil and gas assets in the U.K., Netherlands and Gabon

Petroceltic plc — $500 million financing against the group's resources in Egypt, Italy and Bulgaria and contingent resources in Algeria

Petrogas International E&P Coöperatief U.A. — $150 million secured borrowing base facility arranged by ING Bank N.V. relating to Petrogas' acquisition of certain assets located in the Netherlands

Seplat Petroleum Development Company Plc — $700 million Term Facility and $300 million Revolving Facility

The Bank of Nova Scotia — up to $500 million borrowing base facility for Amerisur Resources plc



London University, Queen Mary and Westfield College,
College of Law, London,

Bar Admissions

Solicitor of the Senior Courts of England and Wales



Climate Finance Needs to Weigh Social Impact

RBLs — When Two Black Swans Collide

Bracewell Shines in Legal 500 UK Rankings



The Sanctioned Lenders Problem

Bracewell’s Jason Fox and Rory Wilson examine how recent events, such as the war in Ukraine and the designation of certain financial institutions as sanctioned entities, have caused sponsors and lenders to re-evaluate the sanctions provisions in their facility agreements.



Chambers Global
UK - Energy & Natural Resources: Oil & Gas, 2015 - 2024; Projects, 2011 - 2013, 2015 - 2017; Energy & Natural Resources, 2013; Africa-wide - Projects & Energy, 2019 - 2024
Chambers UK
Energy & Natural Resources: Oil & Gas, 2015 - 2024; Projects, 2015 - 2018; Energy & Natural Resources, 1997 - 2013
The Legal 500
Hall of Fame, Projects, Energy and Natural Resources – Oil & Gas, Named in 2021
The Legal 500 United Kingdom
Projects, Energy and Natural Resources – Oil & Gas, 2013 - 2024 (Leading Individual, 2014 - 2020; Hall of Fame, 2021 - 2024); Projects, Energy and Natural Resources – Power (including Electricity, Nuclear and Renewables), 2022 - 2024; Projects, Energy and Natural Resources – Infrastructure, 2021 - 2024 (Leading Individual, 2021); Finance – Emerging Markets, 2014 - 2024 (Leading Individual, 2015 - 2024); Finance – Bank Lending: Investment Grade Debt and Syndicated Loans, 2012, 2015 - 2024
The Legal 500 EMEA
Regional Summary - Africa, 2016 - 2017
Delinian Limited
IFLR1000 Financial & Corporate and M&A Guide
Market Leader: Banking 2016 - 2023; Project Finance, 2016 - 2023; Energy and Infrastructure, 2018; Leading Lawyer: Bank Lending, 2013
Euromoney Institutional Investor PLC
IFLR1000 Energy & Infrastructure Guide
Sub-Saharan Africa, Leading Lawyer, 2014 - 2016
Legal Media Group
Expert Guides to the World
Banking, Finance and Transactional, 2016; Energy and Natural Resource, 2013; Banking Finance & Transaction (Project Finance), 2012; Project Finance, 2011
The Lawyer
Hot 100
Finance, 2007
BL Rankings
Best Lawyers in the United Kingdom
Projects, 2024


Past Events

The Oil Council's World Assembly

London November 19, 2013