SOUTHERN CALIFORNIA GAS CO — Integrity Assurance Notification

REASSESSMENT INTERVAL ABOVE 30% SMYSAs required by 49 CFR §190.343, Information made available to the public and request for protection of confidential commercial information, please find included in the attached: • Confidentiality marked versions and redacted versions of: 1. “L767 P1 6-Month Assessment Extension Letter - SCG.pdf” 2. “L1167-3007-1170 6-Month Assessment Extension Letter - SCG.pdf” 3. “L1202 6-Month Assessment Extension Letter - SCG.pdf” 4. “L1219 6-Month Assessment Extension Letter - SCG.pdf” 5. “L2001W P5 6-Month Assessment Extension Letter - SCG.pdf” 6. “L2001W-2002-2003 P6 6-Month Assessment Extension Letter - SCG.pdf” 7. “L2003 6-Month Assessment Extension Letter - SCG.pdf” • “Confidentiality Declaration - SoCalGas 6-Month Assessment Extensions.pdf”, for CPUC treatment of confidential information • “PHMSA FOIA - SoCalGas 6-month Assessment Requests – 07-03-2025 – 7 Pipelines.pdf”, explanation of our request for confidential treatment of these documents at a federal level#