Ribbon Releases New Sustainability Report, Details Ongoing Progress in Meeting Strategic Goals

Strong performance in reducing greenhouse gas emissions, advancing women in management, and enhancing responsible supply chain controls

PLANO, Texas, Nov. 1, 2022 /PRNewswire/ -- 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 its new Global Sustainability Report, which highlights its approach, goals and accomplishments in the areas of Environmental, Social and Governance (ESG) for 2021 and early 2022.

"Sustainability is fully integrated in the way we do business," said Bruce McClelland, Ribbon's CEO and President. "Our technology and innovation help support global sustainable development objectives, and we have made significant progress in our operations and extended supply chain performance. Ribbon remains committed to enhancing our contribution as a responsible corporate citizen."   

The company has made notable progress on its "Three by Thirty" strategic targets, introduced in its previous report:

• Reduce direct carbon emissions by 30% by 2030 (Scope 1 and 2 CO2e)
• 10% reduction achieved in absolute carbon emissions in 2021 vs 2018
• Increase women in management to 30% of all management roles by 2025
• Women in management roles increased to 18% in 2021 vs 16% in 2020
• Achieve 30% of our Tier 1 suppliers audited with zero non-conformances against Ribbon's Supplier Audit Protocol
• Completed supply chain assessment and developed our framework for ESG Risk Assessment.
• Completed initial engagement with priority suppliers; risk-prioritized supplier audit plan for 2022 in progress.

"Stakeholders across the board are making sustainability a requirement for any kind of engagement," said Patrick Macken, Executive Vice President and Chief Legal Officer, Ribbon. "We continue to work towards improved outcomes, and remain focused and intentional in these efforts."

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.

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 

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