KOP net income per share history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Koppers Holdings Inc Net Income Per Share — Quarterly
Period ending	Net Income Per Share
Jun 30, 2026	-7.7112
Mar 31, 2026	0.3631
Dec 31, 2025	1.4958
Sep 30, 2025	1.2109
Jun 30, 2025	0.8248
Mar 31, 2025	-0.6824
Dec 31, 2024	-0.5032
Sep 30, 2024	1.1172
Jun 30, 2024	1.2822
Mar 31, 2024	0.6171
Dec 31, 2023	0.6194
Sep 30, 2023	1.2627
Jun 30, 2023	1.1755
Mar 31, 2023	1.2235
Dec 31, 2022	0.6622
Sep 30, 2022	0.914
Jun 30, 2022	0.5565
Mar 31, 2022	0.8888
Dec 31, 2021	1.0475
Sep 30, 2021	0.4784
Jun 30, 2021	1.2636
Mar 31, 2021	1.225
Dec 31, 2020	0.8829
Sep 30, 2020	3.592
Jun 30, 2020	1.3904
Mar 31, 2020	-0.0671
Dec 31, 2019	0.9934
Sep 30, 2019	0.9573
Jun 30, 2019	0.7115
Mar 31, 2019	0.5589
Dec 31, 2018	-0.1268
Sep 30, 2018	0.3628
Jun 30, 2018	0.0284
Mar 31, 2018	0.8519
Dec 31, 2017	-0.7127
Sep 30, 2017	0.9544
Jun 30, 2017	0.9479
Mar 31, 2017	0.2123
Dec 31, 2016	0.3097
Sep 30, 2016	0.5858
Jun 30, 2016	0.5862
Mar 31, 2016	-0.0632
Dec 31, 2015	-4.2668
Sep 30, 2015	0.4914
Jun 30, 2015	0.4381
Mar 31, 2015	-0.1658
Dec 31, 2014	-1.6345
Sep 30, 2014	-0.1317
Jun 30, 2014	0.0781
Mar 31, 2014	0.1079
Dec 31, 2013	-0.2017
Sep 30, 2013	0.9282
Jun 30, 2013	0.6947
Mar 31, 2013	0.5322
Dec 31, 2012	0.6602
Sep 30, 2012	0.7732
Jun 30, 2012	0.9825
Mar 31, 2012	0.7548
Dec 31, 2011	-0.6893
Sep 30, 2011	1.0872
Jun 30, 2011	0.961
Mar 31, 2011	0.4323
Dec 31, 2010	0.2479
Sep 30, 2010	0.7585
Jun 30, 2010	0.7832
Mar 31, 2010	0.3566
Dec 31, 2009	-0.6551
Sep 30, 2009	0.8018
Jun 30, 2009	0.5723
Mar 31, 2009	0.2007
Dec 31, 2008	3.6767
Sep 30, 2008	1.2418
Jun 30, 2008	1.1658
Mar 31, 2008	0.6338
Dec 31, 2007	-0.0816
Sep 30, 2007	1.2276
Jun 30, 2007	1.0752
Mar 31, 2007	0.5065
Dec 31, 2006	0.1833
Sep 30, 2006	0.5998
Jun 30, 2006	0.2421
Mar 31, 2006	-0.411
Dec 31, 2005	0.0342
Sep 30, 2005	1.0989
Jun 30, 2005	0.2029
Mar 31, 2005	0