We comply with the most stringent international
standards and have certified the environmental management of our upstream operations in Argentina
under ISO 14001 since 2002, and updated to the 2015 version. Our downstream quality standards
are certified under ISO 9001:2008, while the environmental management systems of our lubricant and
dispatch plants in Campana, and the refinery and fuel storage and dispatch terminals in San Lorenzo,
Galván and Caleta Paula are certified
under ISO 14001:2015.