Oil and Gas - Refining and Marketing

EX-RN designates the Oil and Gas - Refining and Marketing sector, encompassing companies that operate refineries to process crude oil into fuels, lubricants, petrochemicals and other products, and that market, distribute and sell these petroleum derivatives. The classification captures the entire value chain from crude intake through refining, storage, transportation and retail sales, reflecting industry-specific financial, environmental and social performance metrics.