TALLGRASS INTERSTATE GAS TRANSMISSION, LLC — Integrity Assurance Notification

PROGRAMAs required by §192.949, the following modifications are being communicated as these are considered to have the potential to substantially affect the program's implementation or may significantly modify the program or schedule for carrying out the program elements. Per the March 16 ADB regarding Deactivation of Threats Tallgrass has identified Incorrect Operations as a threat on all gas HCA segments.  Additionally, equipment threat has been identified as a threat on all HCA segments after a review, this will be refined over time and with a new risk algorithm that is being implemented.#