Ribbon reports preliminary Q4 2021 revenue $231M, below guidance on supply chain issues

Ribbon Communications Inc.

2021-FY EPS reported -$1.20 revenue$230,577,000

Revenue $231M, gross margin 50%, non-GAAP gross margin 54%, operating loss $4M, adjusted EBITDA $26M.
Supply chain issues cut sales ~$10M, causing shortfall vs guidance; costs expected through H1 2022.
IP Optical Networks segment sales $83M (+20% QoQ); Cloud & Edge $147M with deals pushed to 2022.
Higher component and logistics costs reduced margins ~220 bps; customer/deal mix added ~200 bps.
Cash $106M; book-to-bill 1.13; CEO notes new carrier wins in US, Japan, Africa.

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