Tool Outage Information Maintenance Planned for Tuesday, September 12, 2017 Actions requested: Please share this communication internally within your organization with anyone who will be using PJM’s applications listed below Tuesday, Sept. 12, from 8:30 p.m. to 2 a.m. (2030 to 0200 hours). Prior to the upgrade starting, please download any information you may need to access during the scheduled outage. PJM is performing network maintenance Tuesday, Sept. 12, from 8:30 p.m. to 2 a.m. (2030 to 0200 hours). During that time there will be intermittent outages for the below applications. Account Manager Bulletin Board PJM Tools BLIT PCLLRW Gas Pipeline Customer Outages Data Miner Inschedule Exschedule eCredit eTariff Powermeter Emergency Procedures SSO eSuite Load Forecast Generator Information Genmodel Wind Power Forecast Queue Point DR Hub Sailpoint Smart Logs Key Messages: PJM is intentionally making our systems unavailable to ensure uninterrupted data availability in the future for all our stakeholders. If you have any questions regarding this communication, or experience any access issues after the conclusion of the upgrade, please contact PJM's Customer Service or (610) 666-8980.