Investor Presentaiton

Results by Segment for the First Six months of the Fiscal Year Ending March 31, 2023 P タキロンシーアイ (Business) Net sales Results for the six months ended September 30, 2021 Results for the six months ended September 30, 2022 (millions of yen) Increase/ Amount Percentage Amount Percentage decrease Rate of change Total net sales Construction Materials Business total Housing Materials Business 70,417 100.0% 72,515 100.0% +2,097 +3.0% 22,380 31.8% 22,259 30.7% -120 -0.5% 13,365 19.0% 13,324 18.4% -40 -0.3% Flooring and Decorative Materials Business 9,014 12.8% 8,934 12.3% -79 -0.9% Environmental Materials Business total 26,194 37.2% 25,774 35.5% -419 -1.6% Agricultural Materials Business 16,752 23.8% 16,857 23.2% +104 +0.6% Infrastructure Materials Business 9,441 13.4% 8,917 12.3% -523 -5.5% High Functional Materials Business total 10,589 15.0% 11,665 16.1% +1,076 +10.2% Specialty Films Division total 11,049 15.7% 12,457 17.2% +1,408 +12.7% BONSET Business SANZIP Business Operating income 9,084 12.9% 10,687 14.7% +1,603 +17.7% 1,965 2.8% 1,769 2.5% -195 -9.9% (millions of yen) Amount Profit ratio Percentage Amount Profit ratio Percentage Increase/ decrease Rate of change Total operating income 4,792 6.8% 100.0% 3,090 4.3% 100% -1,702 -35.5% Construction Materials Business total Housing Materials Business 1,366 6.1% 28.5% 1,154 5.2% 37.3% -211 -15.5% 621 4.7% 13.0% 753 5.7% 24.4% +132 +21.3% Flooring and Decorative Materials Business 744 8.3% 15.5% 400 4.5% 12.9% -344 -46.2% Environmental Materials Business total 671 2.6% 14.0% -8 www -0.3% -680 Agricultural Materials Business 414 2.5% 8.6% 289 1.7% 9.3% -124 -30.1% Infrastructure Materials Business 257 2.7% 5.4% -298 -3.3% -9.6% -555 --- High Functional Materials Business total 1,753 16.6% 36.6% 1,424 12.2% 46.1% -329 -18.8% Specialty Films Division total 1,096 9.9% 22.9% 483 3.9% 15.6% -613 -56.0% BONSET Business 880 9.7% 18.4% 417 3.9% 13.5% -463 -52.6% SANZIP Business 216 11.0% 4.5% 65 3.7% 2.1% -150 -69.6% 35

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