the extent requested beginning 24 months following the date of the Prospectus, we shall be required to undertake an underwritten takedown offering.
When we or another Holder propose to register any of our ordinary shares subject to the terms of the Registration Rights Agreement, each Holder then holding Registrable Securities has the right to request that its Registrable Securities be included in such registration, subject to customary underwriter cutbacks and the MTN Shareholder Arrangements.
Pursuant to the Registration Rights Agreement, we have agreed to pay the fees and expenses associated with registration (excluding stock transfer taxes, underwriting fees, commissions or discounts). The Registration Rights Agreement contains customary provisions with respect to registration proceedings, underwritten offerings, and indemnity and contribution rights.
Relationship with MTN Group
One of our shareholders, MTN Group, is a related party of the MTN Customers. We have entered into MLAs separately with each of the MTN Customers in our relevant countries of operation, that expire in December 2024 and 2029 in Nigeria, March 2023 in Cameroon, April 2023 in Côte d’Ivoire, March 2024 in Zambia and April 2024 in Rwanda. In addition to the MLAs, we also enter into SLAs from time to time with the MTN Customers. The MTN Customers accounted for 55%, 4%, 4%, 1% and 1% of our revenue for the year ended December 31, 2021; 55%, 4%, 5%, 1% and 1% of our revenue for the year ended December 31, 2020; 50%, 5%, 5%, 2% and 1% of our revenue for the year ended December 31, 2019; 50%, 5%, 5%, 2% and 1% of our revenue for the year ended December 31, 2018 and 48%, 5%, 5%, 2% and 1% of our revenue for the year ended December 31, 2017.
DAR Telecom
During the year ended December 31, 2021, DAR Telecom Consulting LLC (“DAR Telecom”) was paid $1,125,384 (2020 - Nil, 2019 - $ 2,588,087) for services provided by Mr Sam Darwish, the Chairman & Group Chief Executive Officer. DAR Telecom is controlled by Mr Darwish. These amounts are included in Key Management Compensation.
During the year ended December 31, 2021, DAR Telecom invoiced the Group for medical insurance premiums it had paid on behalf of the Group for $85,163 (2020 - $85,338, 2019 - $111,136). Included in these amounts are $38,330 (2020 - $36,648, 2019 - $38,341) that relate to Mr Darwish and are included in Key Management Compensation.
During the year ended December 31, 2021, the Group incurred costs on behalf of Mr Darwish of $551,574 (2020 - $196,340, 2019 - $23,556) which were subsequently repaid by DAR Telecom.
At December 31, 2021, the Group had a receivable of $551,574 (2020 - Nil) from DAR Telecom which was repaid on February 24, 2022.
CKLB
During the year ended December 31, 2021, the Group was provided corporate administration services by CKLB International Management Limited (“CKLB”) and paid fees of $300,935 (2020 - $252,615, 2019 - $242,100). Mr Christian Li and Mrs Kathleen Lai, who served as directors of IHS Holding Limited until October 13, 2021, are directors of CKLB.
Transactions with Other Related Parties
Indemnification agreements
We entered into indemnification agreements with our executive officers and directors.
Our Articles provide for us to indemnify our directors and officers from and against all liability which they incur in execution of their duty in their respective offices, except liability incurred by reason of such director’s or officer’s dishonesty, willful default or fraud. See Item 6.B. “Director, Senior Management and Employees—Compensation — Indemnification” for a description of these indemnification agreements.