COGENT COMMUNICATIONS HOLDINGS, INC. Revenue Disclosure

Revenue recognition

The Company recognizes revenue under ASU No. 2014-09, Revenue from Contracts with Customers (“ASC 606”), which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. Under ASC 606 installation fees for contracts with terms longer than month-to-month are recognized over the contract term. The Company believes that the installation fee does not give rise to a material right as defined by ASC 606 for contracts with terms longer than month-to-month. The Company recognizes revenue over the estimated average customer life for installation fees associated with month-to-month contracts, because the installation fee represents a material right as defined by ASC 606. The Company capitalizes certain contract acquisition costs that relate directly to a customer contract, including commissions paid to its sales team and sales agents and amortizes these costs on a straight-line basis over the period the services are transferred to the customer for commissions paid to its sales team (estimated customer life) and over the remaining original contract term for agent commissions. Management assesses these costs for impairment at least quarterly and as “triggering” events occur that indicate it is more likely than not that an impairment exists. These contract costs were $40.0 million as of December 31, 2025 and $31.9 million as of December 31, 2024 and are included in prepaid expenses and other current assets (current portion) and deposits and other assets (non - current portion) on the consolidated balance sheets.

The Company’s service offerings consist of on-net and off-net telecommunications services. Fixed fees are billed monthly in advance, and usage fees are billed monthly in arrears. Amounts billed are due upon receipt and contract lengths range from month to month to 60 months. The Company satisfies its performance obligations to provide services to customers over time as the services are rendered. In accordance with ASC 606, revenue is recognized when a customer obtains the promised service. The amount of revenue recognized reflects the consideration to which the Company expects to be entitled to receive in exchange for these services. The Company has adopted the practical expedient related to certain performance obligation disclosures since it has a right to consideration from its customer in an amount that corresponds directly with the value to the customer of the Company’s performance completed to date.

To achieve this core principle, the Company follows the following five steps:

Fees billed in connection with customer installations are deferred (as deferred revenue) and recognized as noted above. To the extent a customer contract is terminated prior to its contractual end, the customer is subject to termination fees. The Company vigorously seeks payment of termination fees. The Company recognizes revenue for termination fees as they are collected. Service revenue recognized from amounts in deferred revenue (contract liabilities) at the beginning of the period during the years ended December 31, 2025, 2024 and 2023 was $5.8 million, $6.5 million and $4.9 million, respectively. Amortization expense for contract costs for the years ended December 31, 2025, 2024 and 2023 was $23.2 million, $20.6 million and $19.3 million, respectively and are included within selling, general, and administrative expenses on the consolidated statements of comprehensive (loss) income.