U.S. REFINERY FILING — CHEVRON PHILLIPS CHEMICAL SWEENY OLD OCEAN FACILIT 10/15/2026 03:56 PM 10/15/2026 08:00 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: Unexpected shutdown of Furnace F-7 in Ethylene Unit 24 resulted in shutdown of Cracked Gas Compressor. The cause of F-7 shutdown is still under investigation. Process gas was routed to Flares 20 and 14. Source 1:: Flare 14 56-61-14 Source 2:: Flare 20 56-61-20 Source 3:: Action taken: Furnace F-7 and the Cracked Gas Compressor were safely started back, which ended 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: +1 646-223-5546)