U.S. REFINERY FILING — CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILIT 10/12/2026 03:18 PM 10/12/2026 08:18 PM — EMISSIONS EVENT

U.s. Refinery Filing Chevron Phillips Chemical Sweeny Old Ocean Facilit (This item is an automated alert generated directly from a government database of environmental notices filed by energy companies. It may be followed by a news story depending on the severity of the incident's impact on operations.) Cause: An unexpected site-wide loss of steam supply from a third-party provider impacted process equipment and resulted in process gas being routed to Flare 10, Flare 12, Flare 14, Flare 20, and Flare 22. Source 1:: Flare 10 56-61-10 Source 2:: Flare 12 56-61-12 Source 3:: Flare 14 56-61-14 Source 4:: Flare 20 56-61-20 Source 5:: Flare 22 56-61-22 Action taken: Ethylene Units 22, 24, and 33 were successfully stabilized by lowering feed charge rates and transitioning critical process equipment to electric spare units, minimizing the impact of the event. Source: TCEQ, (North American power desks: Houston +1 713 210 8522, New York +646 223 6072, Bengaluru +91 80 6749 1298)) ((For help: Click "Contact Us" in your desk top, click here or call 1-800-738-8377 for Reuters products and +1-888-463-3384 for Thomson products; For client training: training.americas@thomsonreuters.com: +1 646-223