Stock information

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Financial analysts

Institution	Name	Phone	Location
Institution	M.M.Warburg	Name	Robert-Jan van der Horst	Phone	+49 40 309537 290	Location	Hamburg, Germany

Disclaimer: Adtran Networks SE is followed by the analysts listed above. Please note that any opinions, estimates or forecasts regarding ADVA Optical Networking's performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of Adtran Networks SE or its management. Adtran Networks SE does not by its reference above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.

Stock master data

Stock exchange	Frankfurt Stock Exchange (General Segment)
Trading symbol	ADV
German security code	510 300
ISIN	DE0005103006
Paying agent	Deutsche Bank AG Taunusanlage 12 60325 Frankfurt am Main

Shareholder structure

Large shareholders (over 10%)

Threshold	Notification	Shareholder	Date on which threshold was crossed or reached
>10%	65.43%	ADTRAN Holdings, Inc.	15 July 2022

The presentation of share ownership is based on the provisions of § 40 WpHG and § 26 WpHG (old version) with respect to the voting rights notifications (“total positions of both in %”) published by our major shareholders. Insofar as Adtran Networks SE has reason to believe in individual cases that voting notifications of different persons subject to the notification obligation relate to the same holding of physical shares, the company reserves the right to summarize the notifications of voting rights in the presentation in order to ensure clarity. Adtran Networks SE assumes no liability for the accuracy of the presentation. For an overview of all voting rights notifications according to § 40 WpHG and § 26 WpHG (old version) respectively, please refer to the respective website of DGAP and the company’s register.

Development of total number of voting rights

Total number of voting rights and of no par value bearer shares.

Year:

On		Change In
December 31, 2023	52,054,500	December 2023	+7,000
November 30, 2023	52,047,500	November 2023	+29,500
October 31, 2023	52,018,000	October 2023	+0
September 30, 2023	52,018,000	September 2023	+1,000
August 31, 2023	52,017,000	August 2023	+0
July 31, 2023	52,017,000	July 2023	+0
June 30, 2023	52,017,000	June 2023	+9,000
May 31, 2023	52,008,000	May 2023	+3,500
April 30, 2023	52,004,500	April 2023	+0
March 31, 2023	52,004,500	March 2023	+0
February 28, 2023	52,004,500	February 2023	+0
January 31, 2023	52,004,500	January 2023	+0

On		Change In
December 31, 2022	52,004,500	December 2022	+35,500
November 30, 2022	51,969,000	November 2022	+10,200
October 31, 2022	51,958,800	October 2022	+0
September 30, 2022	51,958,800	September 2022	+0
August 31, 2022	51,958,800	August 2022	+56,300
July 31, 2022	51,902,500	July 2022	+0
June 30, 2022	51,902,500	June 2022	+145,856
May 31, 2022	51,756,644	May 2022	+310,752
April 30, 2022	51,445,892	April 2022	+0
March 31, 2022	51,445,892	March 2022	+0
February 28, 2022	51,445,892	February 2022	+0
January 31, 2022	51,445,892	January 2022	+0

On		Change In
December 31, 2021	51,445,892	December 2021	+0
November 30, 2021	51,445,892	November 2021	+341,380
October 31, 2021	51,104,512	October 2021	+7,000
September 30, 2021	51,097,512	September 2021	+0
August 31, 2021	51,097,512	August 2021	+294,520
July 31, 2021	50,802,992	July 2021	+147,800
June 30, 2021	50,655,192	June 2021	+41,500
May 31, 2021	50,613,692	May 2021	+117,000
April 30, 2021	50,496.692	April 2021	+0
March 31, 2021	50,496,692	March 2021	+0
February 28, 2021	50,496,692	February 2021	+0
January 31, 2021	50,496,692	January 2021	+0

On		Change In
December 31, 2020	50,496,692	December 2020	+0
November 30, 2020	50,496,692	November 2020	+47,326
October 31, 2020	50,449,366	October 2020	+95,000
September 30, 2020	50,354,366	September 2020	+0
August 31, 2020	50,354,366	August 2020	+58,500
July 31, 2020	50,295,866	July 2020	+107,900
June 30, 2020	50,187,966	June 2020	+6,000
May 31, 2020	50,181,966	May 2020	+0
April 30, 2020	50,181,966	April 2020	+0
March 31, 2020	50,181,966	March 2020	+0
February 29, 2020	50,181,966	February 2020	+0
January 31, 2020	50,181,966	January 2020	+0

On		Change In
December 31, 2019	50,181,966	December 2019	+0
November 30, 2019	50,181,966	November 2019	+16,811
October 31, 2019	50,165,155	October 2019	+1,189
September 30, 2019	50,163,966	September 2019	+1,000
August 31, 2019	50,162,966	August 2019	+166,500
July 31, 2019	49,996,466	July 2019	+33,511
June 30, 2019	49,962,955	June 2019	+22,000
May 31, 2019	49,940,955	May 2019	+10,000
April 30, 2019	49,930,955	April 2019	+0
March 31, 2019	49,930,955	March 2019	+0
February 28, 2019	49,930,955	February 2019	+0
January 31, 2019	49,930,955	January 2019	+0

On		Change In
December 31, 2018	49,930,955	December 2018	+0
November 30, 2018	49,930,955	November 2018	+29,829
October 31, 2018	49,901,126	October 2018	+1,500
September 30, 2018	49,899,626	September 2018	+2,577
August 31, 2018	49,897,049	August 2018	+92,115
July 31, 2018	49,804,934	July 2018	+30,685
June 30, 2018	49,774,249	June 2018	+38,700
May 31, 2018	49,735,549	May 2018	+0
April 30, 2018	49,735,549	April 2018	+0
March 31, 2018	49,735,549	March 2018	+0
February 28, 2018	49,735,549	February 2018	+0
January 31, 2018	49,735,549

On		Change In
December 31, 2017	49,735,549	January 2017	+0
November 30, 2017	49,735,549	December 2017	+0
October 31, 2017	49,684,049	November 2017	+51,500
September 30, 2017	49,684,049	October 2017	+0
August 31, 2017	49,684,049	September 2017	+0
July 31, 2017	49,666,949	August 2017	+17,100
June 30, 2017	49,657,949	July 2017	+9,000
May 31, 2017	49,582,434	June 2017	+75,515
April 30, 2017	49,498,934	May 2017	+83,500
March 31, 2017	49,498,934	April 2017	+0
February 28, 2017	49,498,934	March 2017	+0
January 31, 2017	49,498,934	February 2017	+0

On		Change In
January 31, 2017:	49,498,934
December 31, 2016:	49,498,934	January 2017:	+0
November 30, 2016:	49,498,934	December 2016:	+0
October 31, 2016:	49,444,834	November 2016:	+54,100
September 30, 2016:	49,444,834	October 2016	+0
August 31 2016:	49,444,834	September 2016:	+0
July 31 2016:	49,393,184	August 2016:	+51,650
June 30, 2016:	49,381,384	July 2016:	+11,800
May 31, 2016:	49,374,484	June 2016:	+6900
April 30, 2016:	49,374,484	May 2016:	+0
March 31, 2016:	49,374,484	April 2016:	+0
February 29, 2016:	49,374,484	March 2016:	+0
January 31, 2016:	49,374,484	February 2016:	+0

On		Change In
December 31, 2015:	49,374,484
November 30, 2015:	49,374,484	December 2015:	+0
October 31, 2015:	48,981,307	November 2015:	+393,177
September 30, 2015:	48,924,107	October 2015:	+57,200
August 31, 2015:	48,916,774	September 2015:	+7,333
July 31, 2015:	48,620,032	August 2015:	+296,742
June 30, 2015:	48,526,711	July 2015:	+93,321
May 31, 2015:	48,317,498	June 2015:	+209,213
April 30, 2015:	48,096,431	May 2015:	+221,067
March 31, 2015:	48,096,431	April 2015:	+0
February 28, 2015:	48,096,431	March 2015:	+0
January 31, 2015:	48,096,431	February 2015:	+0
December 31, 2014:	48,096,431	January 2015:	+0