RBBN · Ribbon Communications Inc.

Ribbon Communications expanded its Board to nine members by appointing Louis Silver, a designee of Swarth Investments Ltd. under the First Amended and Restated Stockholders Agreement. Silver's extensive experience includes over 25 years on boards of technology-focused companies, current service on Ceva, Inc.'s Board as Audit Committee Chairman and Compensation Committee member, and prior roles at RP Capital UK Ltd. and as advisor to Alba Capital S.A. and Wicklow Corp. His expertise in strategic advisory, finance, governance, and regulatory compliance strengthens the Board's capabilities in these areas. Compensation aligns with the Non-employee Director Compensation Plan, featuring a $60,000 annual retainer and pro-rated RSUs valued at $170,000 based on grant-date stock price, vesting upon continued service. No family relationships or related-party transactions exist. This appointment maintains six independent directors, signaling continuity in governance amid affiliations with major stockholders like JPMorgan Chase & Co.