(2) Repositioning costs includes severance costs related to restructuring projects to improve future productivity. (3) Reflects the non-service component of net periodic pension income and, for the six months ended June 30, 2026, also includes $5 million related to the resolution of certain environmental liabilities not directly related to the Company's operations.

filing / Jul 29, 2026 / receipt

Severance Costs Other Costs Total (Dollars in millions) Balance at December 31, 2025 $ 6 $ - $ 6 Charges 13 - 13 Usage-cash ( 12 ) - ( 12 ) Balance at June 30, 2026 $ 7 $ - $ 7 Severance Costs Other Costs Total (Dollars in millions) Balance at December 31, 2024 $ 12 $ - $ 12 Charges 5 - 5 Usage-cash ( 6 ) - ( 6 ) Balance at June 30, 2025 $ 11 $ - $ 11 Note 13.

filing / Jul 29, 2026 / receipt

(2) Repositioning costs includes severance costs related to restructuring projects to improve future productivity. (3) Reflects the non-service component of net periodic pension income and, for the three months ended March 31, 2026, also includes $5 million related to the resolution of certain environmental liabilities not directly related to the Company's operations.

filing / Apr 30, 2026 / receipt

Severance Costs Other Costs Total (Dollars in millions) Balance at December 31, 2025 $ 6 $ - $ 6 Charges 12 - 12 Usage-cash ( 9 ) - ( 9 ) Balance at March 31, 2026 $ 9 $ - $ 9 Severance Costs Other Costs Total (Dollars in millions) Balance at December 31, 2024 $ 12 $ - $ 12 Charges 7 - 7 Usage-cash ( 3 ) - ( 3 ) Balance at March 31, 2025 $ 16 $ - $ 16 Note 13.

filing / Apr 30, 2026 / receipt