W&T Offshore Corporate Overview

40 YEARS OF SAFE OPERATIONS IN THE GULF OF MEXICO 墨 888 LP HSE&R Philosophy • HSE&R performance is a key pillar for • WTI Operations ⚫ Specific HSE&R department reports directly to the COO Robust and Developed Safety and Environmental Management System (S.E.M.S.) ⚫ Instituted corporate wide S.E.M.S. program in 2011 • Well developed, documented, . • articulated, and robust system used to drive and support company safety procedures Covers 17 key elements which form the cornerstone of safety and operations 3rd party audits conducted to strengthen and evolve this program HSE&R Performance ⚫ No employee fatalities since inception Outstanding environmental record compared to any GOM operator . Environmental Spill ratio averaged 0.057 in 2022 vs. 1.83 average in the GOM for 2021 Consistently outperform peer group on BSEE benchmark tracking index (BSEE spill ratio for operators)1 Deeply engrained culture to prevent and contain environmental exposure with exceptional performance levels for years 1) BSEE spill ratio is defined as volume discharged/million bbls produced 26 W&T OFFSHORE | NYSE:WTI W&T OFFSHORE

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