ADTRAN Holdings, Inc. / Dividends

Declaration date	Ex date	Record date	Payment date	Amount
July 29, 2003	July 30, 2003	July 31, 2003	August 29, 2003	$1.075
October 29, 2003	October 30, 2003	October 31, 2003	November 17, 2003	$0.075
January 30, 2004	February 2, 2004	February 3, 2004	February 17, 2004	$0.08
April 30, 2004	May 3, 2004	May 4, 2004	May 18, 2004	$0.08
July 30, 2004	August 2, 2004	August 3, 2004	August 17, 2004	$0.08
October 29, 2004	November 1, 2004	November 2, 2004	November 16, 2004	$0.08
February 2, 2005	February 3, 2005	February 4, 2005	February 16, 2005	$0.08
May 3, 2005	May 4, 2005	May 5, 2005	May 19, 2005	$0.08
August 3, 2005	August 4, 2005	August 5, 2005	August 19, 2005	$0.09
November 2, 2005	November 3, 2005	November 4, 2005	November 17, 2005	$0.09
February 3, 2006	February 6, 2006	February 7, 2006	February 17, 2006	$0.09
May 2, 2006	May 3, 2006	May 4, 2006	May 18, 2006	$0.09
August 2, 2006	August 3, 2006	August 4, 2006	August 18, 2006	$0.09
October 31, 2006	November 1, 2006	November 2, 2006	November 16, 2006	$0.09
February 6, 2007	February 7, 2007	February 8, 2007	February 22, 2007	$0.09
May 1, 2007	May 2, 2007	May 3, 2007	May 17, 2007	$0.09
July 31, 2007	August 1, 2007	August 2, 2007	August 16, 2007	$0.09
October 30, 2007	October 31, 2007	November 1, 2007	November 15, 2007	$0.09
February 5, 2008	February 6, 2008	February 7, 2008	February 21, 2008	$0.09
April 29, 2008	April 30, 2008	May 1, 2008	May 15, 2008	$0.09
July 29, 2008	July 30, 2008	July 31, 2008	August 14, 2008	$0.09
October 28, 2008	October 29, 2008	October 30, 2008	November 13, 2008	$0.09
February 3, 2009	February 4, 2009	February 5, 2009	February 19, 2009	$0.09
April 28, 2009	April 29, 2009	April 30, 2009	May 14, 2009	$0.09
July 28, 2009	July 29, 2009	July 30, 2009	August 13, 2009	$0.09
October 27, 2009	October 28, 2009	October 29, 2009	November 12, 2009	$0.09
February 2, 2010	February 3, 2010	February 4, 2010	February 18, 2010	$0.09
April 27, 2010	April 28, 2010	April 29, 2010	May 13, 2010	$0.09
July 27, 2010	July 28, 2010	July 29, 2010	August 12, 2010	$0.09
October 26, 2010	October 27, 2010	October 28, 2010	November 11, 2010	$0.09
February 1, 2011	February 2, 2011	February 3, 2011	February 17, 2011	$0.09
April 26, 2011	April 27, 2011	April 28, 2011	May 12, 2011	$0.09
July 26, 2011	July 27, 2011	July 28, 2011	August 11, 2011	$0.09
October 25, 2011	October 26, 2011	October 27, 2011	November 10, 2011	$0.09
January 31, 2012	February 1, 2012	February 2, 2012	February 16, 2012	$0.09
April 24, 2012	April 25, 2012	April 26, 2012	May 10, 2012	$0.09
July 24, 2012	July 25, 2012	July 26, 2012	August 9, 2012	$0.09
October 23, 2012	October 24, 2012	October 25, 2012	November 8, 2012	$0.09
February 5, 2013	February 6, 2013	February 7, 2013	February 21, 2013	$0.09
April 23, 2013	April 24, 2013	April 25, 2013	May 9, 2013	$0.09
July 23, 2013	July 24, 2013	July 25, 2013	August 8, 2013	$0.09
October 22, 2013	October 23, 2013	October 24, 2013	November 7, 2013	$0.09
February 4, 2014	February 5, 2014	February 6, 2014	February 20, 2014	$0.09
April 29, 2014	April 30, 2014	May 1, 2014	May 15, 2014	$0.09
July 29, 2014	July 30, 2014	July 31, 2014	August 14, 2014	$0.09
October 28, 2014	October 29, 2014	October 30, 2014	November 13, 2014	$0.09
February 3, 2015	February 4, 2015	February 5, 2015	February 19, 2015	$0.09
May 5, 2015	May 6, 2015	May 7, 2015	May 21, 2015	$0.09
July 28, 2015	July 29, 2015	July 30, 2015	August 13, 2015	$0.09
October 27, 2015	October 28, 2015	October 29, 2015	November 12, 2015	$0.09
February 2, 2016	February 3, 2016	February 4, 2016	February 18, 2016	$0.09
April 26, 2016	April 27, 2016	April 28, 2016	May 12, 2016	$0.09
July 26, 2016	July 27, 2016	July 28, 2016	August 11, 2016	$0.09
November 1, 2016	November 2, 2016	November 3, 2016	November 17, 2016	$0.09
January 31, 2017	February 1, 2017	February 2, 2017	February 16, 2017	$0.09
May 2, 2017	May 3, 2017	May 4, 2017	May 18, 2017	$0.09
August 1, 2017	August 2, 2017	August 3, 2017	August 17, 2017	$0.09
October 31, 2017	October 31, 2017	November 1, 2017	November 15, 2017	$0.09
January 30, 2018	January 30, 2018	January 31, 2018	February 14, 2018	$0.09
May 1, 2018	May 1, 2018	May 2, 2018	May 16, 2018	$0.09
July 31, 2018	July 31, 2018	August 1, 2018	August 15, 2018	$0.09
October 30, 2018	October 30, 2018	October 31, 2018	November 14, 2018	$0.09
February 6, 2019	February 6, 2019	February 7, 2019	February 21, 2019	$0.09
May 1, 2019	May 1, 2019	May 2, 2019	May 16, 2019	$0.09
July 31, 2019	July 31, 2019	August 1, 2019	August 15, 2019	$0.09
November 13, 2019	November 13, 2019	November 14, 2019	December 2, 2019	$0.09
February 19, 2020	February 19, 2020	February 20, 2020	March 5, 2020	$0.09
May 20, 2020	May 20, 2020	May 21, 2020	June 4, 2020	$0.09
August 19, 2020	August 19, 2020	August 20, 2020	September 3, 2020	$0.09
November 16, 2020	November 16, 2020	November 17, 2020	December 1, 2020	$0.09
February 17, 2021	February 17, 2021	February 18, 2021	March 4, 2021	$0.09
May 19, 2021	May 19, 2021	May 20, 2021	June 3, 2021	$0.09
August 18, 2021	August 18, 2021	August 19, 2021	September 2, 2021	$0.09
November 15, 2021	November 15, 2021	November 16, 2021	November 30, 2021	$0.09
February 16, 2022	February 16, 2022	February 17, 2022	March 3, 2022	$0.09
May 18, 2022	May 18, 2022	May 19, 2022	June 2, 2022	$0.09
August 17, 2022	August 17, 2022	August 18, 2022	September 1, 2022	$0.09
November 21, 2022	November 21, 2022	November 22, 2022	December 6, 2022	$0.09
March 6, 2023	March 6, 2023	March 7, 2023	March 21, 2023	$0.09
May 22, 2023	May 22, 2023	May 23, 2023	June 6, 2023	$0.09
August 18, 2023	August 18, 2023	August 21, 2023	September 5, 2023	$0.09