CORNING INC /NY

10. Debt

Debt consisted of the following (in millions):

Based on borrowing rates currently available to us for loans with similar terms and maturities, the fair value of long-term debt was $7.3 billion and $6.4 billion compared to recorded book values of $7.6 billion and $6.9 billion as of December 31, 2025 and 2024, respectively. The Company measures the fair value of its long-term debt using Level 2 inputs based primarily on current market yields for its existing debt traded in the secondary market.

Corning didnot have outstanding commercial paper as of December 31, 2025 and 2024.

On July 28, 2025, the Company entered into an agreement for a new revolving credit facility (the “Revolving Credit Facility”), which replaced the Company’s existing $1.5 billion credit agreement dated June 6, 2022. The Revolving Credit Facility provides a committed $1.5 billion unsecured multi-currency line of credit and expires July 28, 2030. As of December 31, 2025, there wereno outstanding amounts under the Revolving Credit Facility.

10. Debt (Continued)

Corning is the obligor to Chinese yuan-denominated unsecured variable rate loan facilities, whose proceeds are used for capital investment and general corporate purposes. During the year ended December 31, 2025, the Company repaid $229 million of its existing loan amounts outstanding. In addition, the Company entered into new Chinese yuan-denominated variable rate loan facilities and incurred $285 million in borrowings under these facilities during the year ended December 31, 2025. As of December 31, 2025 and 2024, amounts outstanding under these facilities totaled $384 million and $314 million, respectively, and these facilities had variable interest rates ranging from 2.2% to 2.9% and 2.8% to 3.9%, respectively, and maturities ranging from 2026 to 2032. As of December 31, 2025, Corning had ¥0.2 billion Chinese yuan of unused capacity, equivalent to approximately $23 million.

The following table presents debt maturities by year as of December 31, 2025 (in millions)(1):

(1)Excludes impact of bond discounts and deferred expenses and includes obligations relating to finance leases that have commenced. For the estimated undiscounted lease payments associated with leases entered into but not yet commenced, refer to Note 8 (Leases) for additional information.

Debt Issuances and Redemptions

During the year ended December 31, 2025, Corning repaid ¥10.0 billion (equivalent to $69.6 million) aggregate principal amount of its 0.722% debentures due 2025.

During the year ended December 31, 2024, Corning repaid ¥21.0 billion (equivalent to $143 million) aggregate principal amount of its 0.698% debentures due 2024.