Cogent Communications Holdings, Inc. (CCOI) SEC Filing 10-K Annual report for the fiscal year ending Sunday, December 31, 2017

Exhibit 99.1

Cogent Communications Reports Fourth Quarter 2017 and Full Year 2017 Results
and Increases Regular Quarterly Dividend on Common Stock

Financial and Business Highlights

·                  Cogent approves a 4.2% increase of $0.02 per share to its regular quarterly dividend to $0.50 per common share to be paid on March 26, 2018 to shareholders of record on March 9, 2018

·                  Dividends for 2017 totaled $81.7 million, or $1.80 per share, with 50.2% treated as a return of capital and 49.8% treated as dividends for US federal income tax purposes

·                  Service revenue increased by 1.8% from Q3 2017 to Q4 2017 to $125.2 million, increased from Q4 2016 to Q4 2017 by 8.3% and increased from fully year 2016 to full year 2017 by 8.6% to $485.2 million

·                  Cash flow from operations for Q4 2017 increased by 9.0% from Q3 2017 to $31.4 million and increased from full year 2016 to full year 2017 by 3.5% to $111.7 million

·                  EBITDA increased by 7.6% from Q3 2017 to Q4 2017 to $43.2 million, increased from Q4 2016 to Q4 2017 by 16.6% and increased from full year 2016 to full year 2017 by 12.9% to $161.3 million

·                  EBITDA margin for Q4 2017 increased by 240 basis points to 34.5% from Q4 2016 and increased by 180 basis points from Q3 2017

·                  GAAP gross profit increased by 12.6% from full year 2016 to $200.0 million for full year 2017 and GAAP gross margin increased by 150 basis points to 41.2% from full year 2016 to full year 2017

[WASHINGTON, D.C. February 22, 2018] Cogent Communications Holdings, Inc. (NASDAQ: CCOI) today announced service revenue of $125.2 million for the three months ended December 31, 2017, an increase of 8.3% from the three months ended December 31, 2016 and an increase of 1.8% from the three months ended September 30, 2017. Service revenue was $485.2 million for the year ended December 31, 2017, an increase of 8.6% from the year ended December 31, 2016.   Foreign exchange had no impact on service revenue growth from the three months ended September 30, 2017 to the three months ended December 31, 2017.  Foreign exchange positively impacted service revenue growth from the three months ended December 31, 2016 to the three months ended December 31, 2017 by $2.1 million and positively impacted service revenue growth from the year ended December 31, 2016 to the year