NOTICE DATE: March 12, 2026

NOTICE TYPE: M-B031226-01 Legal

SHORT DESCRIPTION: Integration of City of Caldwell Load into the ERCOT System Complete

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: March 12, 2026

LONG DESCRIPTION: The integration of the Load of the City of Caldwell into the ERCOT System was successfully completed on March 12, 2026.

ADDITIONAL INFORMATION: Additional updates regarding the integration of the City of Caldwell Load can be found in Public Utility Commission of Texas Docket No. 57517, Compliance Filing for Docket No. 56164 (Application of City of Caldwell, Texas to Transfer Megawatts of Load to ERCOT).

CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at ClientServices@ercot.com.

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dg/dsl