OPTION 1: Through the KPMG ethics line.
All network tollfree lines – 0800 123 5276, 0800 123 5764
On-net tollfree lines, MTN – 07030000026, 9mobile – 08099936366
External Email: kpmgethicsline@ng.kpmg.com
Weblink: https://apps.ng.kpmg.com/ethics
OPTION 2: Existing Reporting Channels
Internal Email: whistleblowing@sterling.ng
Hotlines: 08023037820, 08023954834, 09094844420 (charges apply)