NOTICE DATE: April 20, 2016 NOTICE TYPE: M-A042016-01 Extracts SHORT DESCRIPTION: Missed report posting on MIS INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: April 19, 2016 LONG DESCRIPTION: The Supplemental AMS Interval Data Extract (COMS-456, Report ID 1040) failed to post on April 19, 2016. In addition, the following portions of Market Data Transparency (MDT) Web Services, which are accessed via the Market Information System (MIS), are not current although the "Data available as of" date indicates that they are current. * Provide ESIIDs where AMS interval data not loaded for a trade date * Provide AMS interval data for a trade date ERCOT is investigating the root cause as well as any other impacts, and will send a follow-up Market Notice when additional information is available. 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 [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email from an 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. sa