Biggest changeFFO and FFO, as adjusted, should be reviewed in conjunction with other measurements as an indication of our performance. 57 The following is a reconciliation of net income (loss) (attributable to common stockholders), which is the most directly comparable GAAP financial measure, to FFO and FFO, as adjusted (attributable to common stockholders), and FFO and FFO, as adjusted (attributable to common stockholders and OP unit holders) for each of the periods presented below: Year Ended December 31, 2023 Year Ended December 31, 2022 Year Ended December 31, 2021 Net income (loss) (attributable to common stockholders) $ (2,745,698 ) $ 6,321,880 $ (29,401,595 ) Add: Depreciation of real estate 52,619,881 48,400,073 40,158,233 Amortization of real estate related intangible assets 6,301,682 14,628,068 11,030,316 Depreciation and amortization of real estate and intangible assets from unconsolidated entities 2,374,675 1,535,416 754,831 Deduct: Gain on deconsolidation — — (169,533 ) Gain on sale of real estate — — (178,631 ) Gain on equity interests upon acquisition (1) — (16,101,237 ) — Adjustment for noncontrolling interests (2) (7,164,542 ) (5,279,214 ) (5,727,520 ) FFO (attributable to common stockholders) 51,385,998 49,504,986 16,466,101 Other Adjustments: Intangible amortization expense - contracts (3) 292,171 572,786 1,391,889 Acquisition expenses (4) 192,358 888,009 934,838 Acquisition expenses and foreign currency (gains) losses, net from unconsolidated entities 69,095 149,094 210,377 Casualty loss due to hurricane (5) — 661,326 — Contingent earnout adjustment (6) — 1,514,447 12,619,744 Write-off of equity interest and preexisting relationships upon acquisition of control — 2,049,682 8,389,573 Accretion of fair market value of secured debt 12,920 (35,738 ) (110,942 ) Net loss on extinguishment of debt (7) — 2,393,475 2,444,788 Foreign currency and interest rate derivative (gains) losses, net (8) (177,811 ) 75,030 366,849 Offering related expenses (9) 791,918 1,802,945 — Adjustment of deferred tax assets and liabilities (3) (3,300,688 ) (1,073,317 ) (2,025,869 ) Sponsor funding reduction (10) 33,643 — — Adjustment for noncontrolling interests in our Operating Partnership 245,470 (1,017,068 ) (2,720,691 ) FFO, as adjusted (attributable to common stockholders) $ 49,545,074 $ 57,485,657 $ 37,966,657 FFO (attributable to common stockholders) $ 51,385,998 $ 49,504,986 $ 16,466,101 Net income (loss) attributable to the noncontrolling interests in our Operating Partnership 1,313,566 2,536,297 (2,663,123 ) Adjustment for noncontrolling interests in our Operating Partnership (2) 7,164,542 5,279,214 5,727,520 FFO (attributable to common stockholders and OP unit holders) $ 59,864,106 $ 57,320,497 $ 19,530,498 FFO, as adjusted (attributable to common stockholders) $ 49,545,074 $ 57,485,657 $ 37,966,657 Net income (loss) attributable to the noncontrolling interests in our Operating Partnership 1,313,566 2,536,297 (2,663,123 ) Adjustment for noncontrolling interests in our Operating Partnership (2) 6,919,072 6,296,282 8,448,211 FFO, as adjusted (attributable to common stockholders and OP unit holders) $ 57,777,712 $ 66,318,236 $ 43,751,745 58 (1) This gain relates to the mark up in fair value of our preexisting equity interests in SSGT II as a result of our acquisition of control in the SSGT II Merger.
Biggest changeThe following is a reconciliation of net income (loss) (attributable to common stockholders), which is the most directly comparable GAAP financial measure, to FFO and FFO, as adjusted (attributable to common stockholders), and FFO and 57 FFO, as adjusted (attributable to common stockholders and OP unit holders) for each of the periods presented below (in thousands): Year Ended December 31, 2024 Year Ended December 31, 2023 Year Ended December 31, 2022 Net income (loss) (attributable to common stockholders) $ (18,379 ) $ (2,746 ) $ 6,322 Add: Depreciation of real estate 53,975 52,620 48,400 Amortization of real estate related intangible assets 715 6,302 14,628 Depreciation and amortization of real estate and intangible assets from unconsolidated entities 2,615 2,375 1,535 Deduct: Gain on equity interests upon acquisition (1) — — (16,101 ) Adjustment for noncontrolling interests (2) (6,892 ) (7,165 ) (5,279 ) FFO (attributable to common stockholders) 32,034 51,386 49,505 Other Adjustments: Intangible amortization expense - contracts (3) 220 292 573 Acquisition expenses (4) 413 193 888 Acquisition expenses and foreign currency (gains) losses, net from unconsolidated entities 222 69 149 Casualty loss due to hurricane (5) 500 — 661 Contingent earnout adjustment (6) — — 1,514 Write-off of equity interest and preexisting relationships upon acquisition of control — — 2,050 Accretion of fair market value of secured debt 120 13 (36 ) Net loss on extinguishment of debt (7) 471 — 2,393 Foreign currency and interest rate derivative (gains) losses, net (8) 577 (178 ) 75 Offering related expenses (9) 330 792 1,803 Adjustment of deferred tax assets and liabilities (3) 845 (3,301 ) (1,073 ) Sponsor funding reduction (10) 844 34 — Amortization of debt issuance costs (3) 4,115 2,728 2,594 Adjustment for noncontrolling interests in our Operating Partnership (1,042 ) (73 ) (1,306 ) FFO, as adjusted (attributable to common stockholders) (11) $ 39,649 $ 51,955 $ 59,790 FFO (attributable to common stockholders) $ 32,034 $ 51,386 $ 49,505 Net income (loss) attributable to the noncontrolling interests in our Operating Partnership (773 ) 1,314 2,536 Adjustment for noncontrolling interests in our Operating Partnership (2) 6,892 7,165 5,279 FFO (attributable to common stockholders and OP unit holders) $ 38,153 $ 59,865 $ 57,320 FFO, as adjusted (attributable to common stockholders) $ 39,649 $ 51,955 $ 59,790 Net income (loss) attributable to the noncontrolling interests in our Operating Partnership (773 ) 1,314 2,536 Adjustment for noncontrolling interests in our Operating Partnership (2) 7,934 7,238 6,585 FFO, as adjusted (attributable to common stockholders and OP unit holders) (11) $ 46,810 $ 60,507 $ 68,911 (1) This gain relates to the mark up in fair value of our preexisting equity interests in SSGT II as a result of our acquisition of control in the SSGT II Merger.