Company: SLG-PI
Filing Date: 2025-04-17
Form Type: 10-K/A
Source: 0001040971-25-000019
Chunk: 91

Company: SL GREEN REALTY CORP
Filing Date: 2025-04-17
Form: 10-K/A
Chunk 91
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 instrument to their present value using adjusted market interest rates, which is provided by a third-party specialist.

The following table provides the carrying value and fair value of these financial instruments as of December 31, 2024 and December 31, 2023 (in thousands):

|                                       |     |                   | December 31, 2024 |     |            |           |     |                   | December 31, 2023 |     |            |           |
|:--------------------------------------|:----|:------------------|------------------:|:----|-----------:|----------:|:----|:------------------|------------------:|:----|-----------:|----------:|
|                                       |     | Carrying Value(1) |                   |     | Fair Value |           |     | Carrying Value(1) |                   |     | Fair Value |           |
| Debt and preferred equity investments |     | $                 |           303,726 |     |         -2 |           |     | $                 |           346,745 |     |         -2 |           |
| Fixed rate debt                       |     | $                 |         3,257,474 |     |          $ | 3,225,767 |     | $                 |         3,237,386 |     |          $ | 3,184,338 |
| Variable rate debt(3)                 |     |                   |           363,550 |     |            |   355,364 |     |                   |           270,000 |     |            |   268,787 |
| Total debt                            |     | $                 |         3,621,024 |     |          $ | 3,581,131 |     | $                 |         3,507,386 |     |          $ | 3,453,125 |

(1) Amounts exclude net deferred financing costs.

(2) As of December 31, 2024, debt and preferred equity investments had an estimated fair value of approximately $ 0.3billion. As of December 31, 2023, debt and preferred equity investments had an estimated fair value of approximately $ 0.3billion.

<div align='center'>SL Green Realty Corp. and SL Green Operating Partnership, L.P.</div>

### Notes to Consolidated Financial Statements (cont.)

#### December 31, 2024
Disclosures regarding fair value of financial instruments was based on pertinent information available to