Kore Investor Presentation Deck

Long track record of customer retention LTM dollar-based net retention rate ("DBNER")¹ ● Existing customer base stickiness demonstrated by DBNER Short-term revenue bump from large LTE Transition Program at our largest customer temporarily impacting DBNER growth until anniversaried and no longer included in the DBNER calculation 103% Q2 2020 103% Q3 2020 106% Q4 2020 108% Q1 2021 113% 112% Q2 2021 DBNER 114% 110% 122% 115% 122% 114% 114% Q3 2021 Q4 2021 ■DBNER excluding largest customer Q1 2022 109% Revenue impact from the significant LTE Transition Program at our largest customer Q2 2022 100% 106% 92% Q3 2022 103% Q4 2022 Source: Company financials (1) DBNER is calculated by dividing trailing twelve-month revenue by prior year trailing twelve-month revenue for the same customer cohort in both periods. Excludes revenue from both non go-forward customers, and new customers that started generating revenue after the end of the base period KORE 107% 126% Q1 2023 26

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