Ribbon Communications Inc. Expects Full Year 2018 Financial Results to Meet Prior Guidance; Fourth Quarter and Full Year 2018 Financial Results to be Reported on February 20, 2019; Announces Unified Sales and Service Leadership

WESTFORD, Mass., Jan. 14, 2019 /PRNewswire/ — Ribbon Communications Inc. (Nasdaq: RBBN), a global leader in secure and intelligent cloud communications, today announced that it expects non-GAAP revenue and adjusted EBITDA for the full year ended December 31, 2018 to meet the guidance provided on October 30, 2018. Ribbon anticipates full year 2018 non-GAAP revenue to be at or above $610 million and adjusted EBITDA to be in excess of $80 million. Its expectations regarding 2018 financial results are based on current estimates and remain subject to change based on the completion of the financial closing process.