Dear Customer,

We are writing to inform you that we will be performing maintenance work on the Telstra Integrated Messaging platform for NAB.

Reference: PCR-7229

Description: To perform system security updates

Maintenance start time: Tuesday, 21st April, 2026, 23:00 AEST

Maintenance end time: Wednesday, 22nd April, 2026, 02:00 AEST

Impact: No service impact expected

We will email you at the beginning and end of the maintenance period.

Dear Customer,

We are writing to inform you that we will be performing maintenance work on the Telstra Integrated Messaging platform for NAB.

Reference: PCR-7230

Description: To perform system security updates

Maintenance start time: Monday, 20th April, 2026, 23:00 AEST

Maintenance end time: Tuesday, 21st April, 2026, 02:00 AEST

Impact: No service impact expected

We will email you at the beginning and end of the maintenance period.

Dear Customer,

We are writing to inform you that the upcoming maintenance window on Telstra Integrated Messaging for NAB has been postponed.

Original Date/Time: Tuesday 31st March, 2026, 23:00 AEDT to Wednesday 1st April, 2026, 02:00 AEDT

New Date/Time: Tuesday 21st April, 2026, 23:00 AEST to Wednesday 22nd April, 2026, 02:00 AEST