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@ bandwidth Bandwidth Announces Second Quarter 2021 Financial Results Second quarter total revenue of $ 120.7 million , up 57 % year - over - year Second quarter CPaaS revenue of $ 105.0 million , up 57 % year - over - year Second quarter dollar - based net retention rate of 114 % Raleigh , NC - August 5 , 2021 - Bandwidth Inc. ( NASDAQ : BAND ) , a leading global enterprise cloud communications company , today announced financial results for the second quarter ended June 30 , 2021 . " The continued successful execution of our long term strategy is evident in the 57 % year - over - year increase in CPaaS revenue , fueled by broad - based demand across all of our services and expanded global footprint , " stated David Morken , Chief Executive Officer of Bandwidth . " This success is a testament to the power of Bandwidth's global offering . Our global platform is proving to be a powerful differentiator for our existing customers and new customers alike in their journey to cloud communications , manifesting in cross - selling momentum , deepening customer relationships and new customer additions . " Second Quarter 2021 Financial Highlights • • • Revenue : Total revenue for the second quarter of 2021 was $ 120.7 million , up 57 % compared with $ 76.8 million in the second quarter of 2020. Within total revenue , CPaaS revenue was $ 105.0 million , up 57 % compared with $ 67.1 million for the second quarter of 2020. Other revenue contributed the remaining $ 15.6 million for the second quarter of 2021. Other revenue was $ 9.7 million in the same period last year . Total , CPaaS and Other Revenue include $ 26.9 million , $ 26.0 million and $ 0.9 million , respectively , from Voxbone . Gross Profit : Gross profit for the second quarter of 2021 was $ 54.6 million , compared with $ 34.8 million for the second quarter of 2020. Gross margin was 45 % for the second quarter of 2021 and the second quarter of 2020. Non - GAAP gross profit for the second quarter of 2021 was $ 59.8 million , compared with $ 37.1 million for the second quarter of 2020. Non - GAAP gross margin was 50 % for the second quarter of 2021 compared with 48 % for the second quarter of 2020 . Net Loss : Net loss for the second quarter of 2021 was $ ( 6.9 ) million , or $ ( 0.28 ) per share , based on 25.1 million weighted average shares outstanding . During the second quarter of 2020 , net loss was $ ( 20.6 ) million , or $ ( 0.86 ) per share , based on 24.0 million weighted average shares outstanding . Non - GAAP Net Income : Non - GAAP net income for the second quarter of 2021 was $ 8.6 million , or $ 0.32 per share , based on 26.7 million weighted average diluted shares outstanding . This compares with Non - GAAP net income of $ 3.1 million , or $ 0.13 per share , based on 24.7 million weighted average diluted shares outstanding for the second quarter of 2020 . Adjusted EBITDA : Adjusted EBITDA was $ 13.8 million for the second quarter of 2021 , compared with $ 5.5 million for the second quarter of 2020 . Additional information regarding the non - GAAP financial measures discussed in this release , including an explanation of these measures and how each is calculated , is included below under the heading " Non - GAAP Financial Measures . " A reconciliation of GAAP to non - GAAP financial measures has also been provided in the financial tables included below . 1