Bezeq Selects Ribbon to Build its new flexgrid 400G Optical Backbone Network

Enables Israel's largest telecommunications service provider to smoothly handle surging consumer,business and wireless IP traffic

PLANO,Texas,Dec. 7,2021 -- Ribbon Communications Inc. (Nasdaq: RBBN),a global provider of real time communications software and IP optical networking solutions to service providers,enterprises,and critical infrastructure sectors,today announced that it is enabling Bezeq,Israel's largest telecommunications service provider,to carry increasing IP traffic loads via a new flexgrid 400G optical backbone network.

"Our network needs to handle today's traffic and anticipate tomorrow's," said Meni Baruch,VP Engineering & CTIO at Bezeq. "Ribbon offered us the most comprehensive solution,including Day One readiness for 400 G wavelengths,high scalability and cost efficiencies. We look forward to working together."

Ribbon is upgrading Bezeq's Israel-wide network to flexgrid multi-degree DWDM (Dense Wave Division Multiplexing. The new network leverages Ribbon's Apollo family of optical transport and switching platforms,which features innovative use of 400G ZR+ pluggable dynamic coherent optics and delivers dynamic configurability to meet growing and shifting traffic patterns and lower cost per bit.

"We're delighted to be supporting Bezeq with a solution that combines network capability,a smooth transition path to next-generation requirements,and measurable cost efficiencies as they continue to meet the traffic requirements for their consumer,business and wireless customers," said Mickey Wilf Ribbon's General Manager APAC and MEA.

About Ribbon

Ribbon Communications (Nasdaq: RBBN) delivers communications software,IPand 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. To learn more about Ribbon 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.

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