Other Capital Market Information | 16 August 2023 17:10

Adtran Holdings, Inc.: Release according to Article 50 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

Adtran Holdings, Inc. / Third country release according to Article 50 Para. 1, No. 2 of the WpHG [the German Securities Trading Act]
Adtran Holdings, Inc.: Release according to Article 50 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution
16.08.2023 / 17:10 CET/CEST
Dissemination of a Post-admission Duties announcement according to Article 50 Para. 1, No. 2 WpHG transmitted by EQS News – a service of EQS Group AG.
The issuer is solely responsible for the content of this announcement.

On 14 August 2023, Adtran Holdings, Inc. filed with the US Securities and Exchange Commission (SEC) a form 10-Q report (for the quarterly period ended June 30, 2023; available on the SEC website https://www.sec.gov/ix?doc=/Archives/edgar/data/926282/000095017023042449/adtn-20230630.htm , two forms 10-Q/A (for the quarterly period ended March 31, 2023; available on the SEC website https://www.sec.gov/ix?doc=/Archives/edgar/data/926282/000095017023042445/adtn-20230331.htm and for the quarterly period ended September 30, 2022; available on the SEC website https://www.sec.gov/ix?doc=/Archives/edgar/data/926282/000095017023042426/adtn-20220930.htm ) and a form 10-K/A (for the Fiscal Year ended December 31, 2022; available on the SEC website https://www.sec.gov/ix?doc=/Archives/edgar/data/926282/000095017023042432/adtn-20221231.htm ).

All documents are also available on the Adtran website at https://investors.adtran.com/sec-filings/default.aspx .

16.08.2023 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
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Language:	English
Company:	Adtran Holdings, Inc.
	901 Explorer Boulevard
	35806 Huntsville
	United States
Internet:	www.adtran.com

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