NOTICE DATE: June 21, 2024

NOTICE TYPE: M-B061924-02 Retail/Wholesale

SHORT DESCRIPTION: Planned system maintenance with impacted services

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: Beginning at 5:00 p.m. on June 21, 2024, through June 23, 2024

LONG DESCRIPTION: ERCOT will be performing planned maintenance on the ERCOT.com website and the ERCOT Market Information System (MIS) website beginning at 5:00 p.m. on Friday, June 21, 2024, through Sunday, June 23, 2024.

Market Participants may experience:

• Temporary inability to access these websites.
• Interruption to data on ERCOT.com public dashboards.
• Data products on MIS displaying incorrectly.

Once the maintenance is complete, refreshing the browser should resolve these issues.

CONTACT: If you have any questions or issues, please submit a request via our Contact Us page. Select the “WEBSITE/INFORMATION TECHNOLOGY ISSUES” category.

If you are receiving email from a public ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com.

dg