InfiniVAN Selects Ribbon's IP Wave Solutions for High Bandwidth Backbone Across the Philippines

High capacity solution delivers increased bandwidth and cost efficiencies

PLANO,Texas,July 17,2023 --Ribbon Communications Inc. (Nasdaq: RBBN),a global provider of real time communications technology and IP optical networking solutions to many of the world's largest service providers,enterprises,and critical infrastructure operators to modernize and protect their networks today announced that it has been selected by InfiniVAN,the Philippines' leading provider of business internet,to help modernize its nationwide backbone.

"Businesses turn to us for high availability,fully redundant,high-capacity connectivity that is on par with the highest global standards," said Mr. Koji Miyashita,Chairman,InfiniVAN. "Working with Ribbon enabled us to achieve the dual goal of upgrading our network to the newest standards of security,availability and capacity while also gaining a lower Total Cost of Ownership."

InfiniVAN is leveraging Ribbon's NPT IP Routing and Apollo Optical Transport solutions,part of the company's comprehensive IP Wave portfolio. Architected to help providers build and operate multi-layer data and optical networks,IP Wave solutions seamlessly fuse optimized hardware and automation software within an open architecture,and deliver the agility needed to rapidly create and implement innovative new services.

"InfiniVAN is a key leader in advancing the communications infrastructure throughout the Philippines. This high performance nationwide backbone will significantly improve connectivity and digitization in the region,and enable InfiniVAN to offer its customers access to the latest connectivity services," said Mickey Wilf,Managing Director APAC and Africa,Ribbon. "We're thrilled to continue building on our years-long partnership."

About Ribbon

Ribbon Communications (Nasdaq: RBBN) delivers communications software,IP and optical networking solutions to service providers,enterprises and critical infrastructure sectors globally. We engage deeply with our customers,helping them modernize their networks for improved competitive positioning and business outcomes in today's smart,always-on and data-hungry world. Our innovative,end-to-end solutions portfolio delivers unparalleled scale,performance,and agility,including core to edge software-centric solutions,cloud-native offers,leading-edge security and analytics tools,along with IP and optical networking solutions for 5G. We maintain a keen focus on our commitments to Environmental,Social and Governance (ESG) matters,offering an annual Sustainability Report to our stakeholders. To learn more about Ribbon,please visit rbbn.com.

About InfiniVAN Inc.

InfiniVAN,Inc. provides a business Internet user experience that is at par with global standards,delivered via end-to-end Fiber Optic Network Infrastructure that is fully redundant and backed up by experienced and reliable management as well as technical support team. InfiniVAN,Inc. also offers remarkable services at competitively-priced rates,delivering quality Internet for business and ensuring ultra-fast speed,reliable,and convenient connection to various types of businesses. InfiniVAN,Inc. commits in giving guaranteed Internet services by continuously harnessing its technology to showcase valued business Internet experience.

Important Information Regarding Forward-Looking Statements

The information in this release contains forward-looking statements regarding future events that involve risks and uncertainties. All statements other than statements of historical facts contained in this release,including those regarding the expected benefits from use of Ribbon Communication's products,are forward-looking statements. The actual results of Ribbon Communications may differ materially from those contemplated by the forward-looking statements. For further information regarding risks and uncertainties associated with Ribbon Communications' business,please refer to the "Risk Factors" section of Ribbon Communications' most recent annual or quarterly report filed with the SEC. Any forward-looking statements represent Ribbon Communications' views only as of the date on which such statement is made and should not be relied upon as representing Ribbon Communications' views as of any subsequent date. While Ribbon Communications may elect to update forward-looking statements at some point,Ribbon Communications specifically disclaims any obligation to do so.

Investor Contact

+1 (978) 614-8050

ir@rbbn.com

Media Contact

Catherine Berthier

+1 (646) 741-1974

cberthier@rbbn.com