FOR IMMEDIATE RELEASE Cogent Contacts: For Public Relations: For Investor Relations: Jocelyn Johnson John Chang + 1 (202) 295-4299 + 1 (202) 295-4212 jajohnson@cogentco.com investor.relations@cogentco.com Cogent Communications Reports Fourth Quarter 2025 and Full Year 2025 Results Financial and Business Highlights [WASHINGTON, D.C. February 20, 2026] Cogent Communications Holdings, Inc. (NASDAQ: CCOI) ("Cogent") today announced service revenue of $240.5 million for the three months ended December 31, 2025, ...