| Schedule of FHN's Investment Securities |
The following table summarizes FHN’s investment securities as of March 31, 2026 and December 31, 2025. | | | | | | | | | | | | | | | | | | | | | | | | | | | INVESTMENT SECURITIES | | | | March 31, 2026 | | (Dollars in millions) | | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Fair
Value | | Securities available for sale: | | | | | | | | | | | | | | | | | | | Government agency issued MBS | | $ | 3,852 | | | $ | 4 | | | $ | (331) | | | $ | 3,525 | | | Government agency issued CMO | | 3,026 | | | 4 | | | (238) | | | 2,792 | | | Other U.S. government agencies | | 1,603 | | | 3 | | | (106) | | | 1,500 | | | | | | | | | | | | States and municipalities | | 360 | | | 1 | | | (32) | | | 329 | | | Total securities available for sale (a) | | $ | 8,841 | | | $ | 12 | | | $ | (707) | | | $ | 8,146 | | | | | | | | | | | | Securities held to maturity: | | | | | | | | | | Government agency issued MBS | | $ | 749 | | | $ | — | | | $ | (78) | | | $ | 671 | | | Government agency issued CMO | | 455 | | | — | | | (70) | | | 385 | | | Total securities held to maturity (a) | | $ | 1,204 | | | $ | — | | | $ | (148) | | | $ | 1,056 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | (Dollars in millions) | | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Fair
Value | | Securities available for sale: | | | | | | | | | | | | | | | | | | | Government agency issued MBS | | $ | 3,964 | | | $ | 9 | | | $ | (332) | | | $ | 3,641 | | | Government agency issued CMO | | 3,092 | | | 6 | | | (229) | | | 2,869 | | | Other U.S. government agencies | | 1,424 | | | 2 | | | (109) | | | 1,317 | | | | | | | | | | | | States and municipalities | | 361 | | | 2 | | | (25) | | | 338 | | | Total securities available for sale (a) | | $ | 8,841 | | | $ | 19 | | | $ | (695) | | | $ | 8,165 | | | | | | | | | | | | Securities held to maturity: | | | | | | | | | | Government agency issued MBS | | $ | 758 | | | $ | — | | | $ | (76) | | | $ | 682 | | | Government agency issued CMO | | 458 | | | — | | | (67) | | | 391 | | | Total securities held to maturity (a) | | $ | 1,216 | | | $ | — | | | $ | (143) | | | $ | 1,073 | | |
(a)Includes $7.3 billion and $7.2 billion of securities available for sale as of March 31, 2026 and December 31, 2025, respectively and $1.1 billion of securities held to maturity as of both March 31, 2026 and December 31, 2025 pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.
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| Schedule of Amortized Cost and Fair Value by Contractual Maturity |
The amortized cost and fair value by contractual maturity for the debt securities portfolio as of March 31, 2026 is provided below.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | DEBT SECURITIES PORTFOLIO MATURITIES | | | | | Held to Maturity | | Available for Sale | | | (Dollars in millions) | | Amortized
Cost | | Fair
Value | | Amortized
Cost | | Fair
Value | | | Within 1 year | | $ | — | | | $ | — | | | $ | 16 | | | $ | 16 | | | | After 1 year through 5 years | | — | | | — | | | 139 | | | 127 | | | | After 5 years through 10 years | | — | | | — | | | 705 | | | 682 | | | | After 10 years | | — | | | — | | | 1,103 | | | 1,004 | | | | Subtotal | | — | | | — | | | 1,963 | | | 1,829 | | | | Government agency issued MBS and CMO (a) | | 1,204 | | | 1,056 | | | 6,878 | | | 6,317 | | | | Total | | $ | 1,204 | | | $ | 1,056 | | | $ | 8,841 | | | $ | 8,146 | | | | | | | | | | | | |
(a)Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
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| Schedule of Investments within the Available for Sale Portfolio that had Unrealized Losses |
The following table provides information on investments within the available-for-sale portfolio that had unrealized losses as of March 31, 2026 and December 31, 2025. AFS INVESTMENT SECURITIES WITH UNREALIZED LOSSES | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of March 31, 2026 | | | | Less than 12 months | | 12 months or longer | | Total | | (Dollars in millions) | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | | | | | | | | | | | | | | Government agency issued MBS | | $ | 359 | | | $ | (2) | | | $ | 2,700 | | | $ | (329) | | | $ | 3,059 | | | $ | (331) | | | Government agency issued CMO | | 556 | | | (1) | | | 1,623 | | | (237) | | | 2,179 | | | (238) | | | Other U.S. government agencies | | 328 | | | (1) | | | 771 | | | (105) | | | 1,099 | | | (106) | | | | | | | | | | | | | | | | States and municipalities | | 61 | | | (1) | | | 211 | | | (31) | | | 272 | | | (32) | | | Total | | $ | 1,304 | | | $ | (5) | | | $ | 5,305 | | | $ | (702) | | | $ | 6,609 | | | $ | (707) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | | | Less than 12 months | | 12 months or longer | | Total | | (Dollars in millions) | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | Fair
Value | | Unrealized
Losses | | | | | | | | | | | | | | | Government agency issued MBS | | $ | 190 | | | $ | (1) | | | $ | 2,791 | | | $ | (331) | | | $ | 2,981 | | | $ | (332) | | | Government agency issued CMO | | 353 | | | — | | | 1,706 | | | (229) | | | 2,059 | | | (229) | | | Other U.S. government agencies | | 281 | | | (1) | | | 796 | | | (108) | | | 1,077 | | | (109) | | | | | | | | | | | | | | | | States and municipalities | | 1 | | | — | | | 236 | | | (25) | | | 237 | | | (25) | | | Total | | $ | 825 | | | $ | (2) | | | $ | 5,529 | | | $ | (693) | | | $ | 6,354 | | | $ | (695) | | | | | | | | | | | | | | |
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