Drummond Energy obtains ISO 14001:2015 environmental recertification and ISO 45001:2018 occupational health and safety recertification for its hydrocarbon exploration and production activities for the period 2026-2028

Valledupar, April 7, 2026

* ISO 14001:2015 certificate awarded by SGS to Drummond Energy, Inc. – * ISO 45001:2018 certificate awarded by SGS to Drummond Energy, Inc.

As a result of the renewal audit conducted by SGS during March 2026, Drummond Energy, Inc., obtained recertification in the ISO 14001:2015 (Environmental Management System) and ISO 45001:2018 (Occupational Health and Safety Management System) standards for all hydrocarbon exploration and production activities.

Drummond Energy, Inc., has maintained certifications in these two standards since 2016 and with zero non-conformities in recent years. These results are the product of teamwork, commitment, leadership, and discipline, which have made our management system solid, contributing positively to our safety culture, environmental care and protection, as well as operational excellence.

With these certifications, Drummond Energy, Inc. reaffirms its commitment to responsible and sustainable management.