Biggest changeFFO and FFO, as adjusted, should be reviewed in conjunction with other measurements as an indication of our performance. 56 The following is a reconciliation of net income (loss), 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, 2022 Year Ended December 31, 2021 Year Ended December 31, 2020 Net income (loss) (attributable to common stockholders) $ 6,321,880 $ (29,401,595 ) $ (54,354,394 ) Add: Depreciation of real estate 48,400,073 40,158,233 31,711,102 Amortization of real estate related intangible assets 14,628,068 11,030,316 5,110,207 Depreciation and amortization of real estate and intangible assets from unconsolidated entities 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 in our Operating Partnership (2) (5,279,214 ) (5,727,520 ) (4,756,580 ) FFO (attributable to common stockholders) 49,504,986 16,466,101 (22,289,665 ) Other Adjustments: Intangible amortization expense - contracts (3) 572,786 1,391,889 4,666,909 Acquisition expenses (4) 888,009 934,838 1,366,092 Acquisition expenses and foreign currency (gains) losses, net from unconsolidated entities 149,094 210,377 — Casualty loss due to hurricane (5) 661,326 — — Contingent earnout adjustment (6) 1,514,447 12,619,744 (2,500,000 ) Write-off of equity interest and preexisting relationships upon acquisition of control 2,049,682 8,389,573 — Impairment of goodwill and intangible assets (7) — — 36,465,732 Impairment of investments in Managed REITs (7) — — 4,376,879 Accretion of fair market value of secured debt (35,738 ) (110,942 ) (130,682 ) Net loss on extinguishment of debt (8) 2,393,475 2,444,788 — Foreign currency and interest rate derivative (gains) losses, net (9) 75,030 366,849 203,995 Offering related expenses (10) 1,802,945 — — Adjustment of deferred tax liabilities (2) (1,073,317 ) (2,025,869 ) (5,926,732 ) Adjustment for noncontrolling interests in our Operating Partnership (1,017,068 ) (2,720,691 ) (5,321,725 ) FFO, as adjusted (attributable to common stockholders) $ 57,485,657 $ 37,966,657 $ 10,910,803 FFO (attributable to common stockholders) $ 49,504,986 $ 16,466,101 $ (22,289,665 ) Net income (loss) attributable to the noncontrolling interests in our Operating Partnership 2,536,297 (2,663,123 ) (6,901,931 ) Adjustment for noncontrolling interests in our Operating Partnership (2) 5,279,214 5,727,520 4,756,580 FFO (attributable to common stockholders and OP unit holders) $ 57,320,497 $ 19,530,498 $ (24,435,016 ) FFO, as adjusted (attributable to common stockholders) $ 57,485,657 $ 37,966,657 $ 10,910,803 Net income (loss) attributable to the noncontrolling interests in our Operating Partnership 2,536,297 (2,663,123 ) (6,901,931 ) Adjustment for noncontrolling interests in our Operating Partnership (2) 6,296,282 8,448,211 10,078,305 FFO, as adjusted (attributable to common stockholders and OP unit holders) $ 66,318,236 $ 43,751,745 $ 14,087,177 57 (1) This gain relates to recording the fair value of our preexisting equity interests in SSGT II as a result of our acquisition of control in the SSGT II Merger.
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.
In determining FFO, as adjusted, we make further adjustments to the NAREIT computation of FFO to exclude the effects of non-real estate related asset impairments and intangible amortization, acquisition related costs, other write-offs incurred in connection with acquisitions, contingent earnout expenses, accretion of fair value of debt adjustments, gains or losses from extinguishment of debt, adjustments of deferred tax liabilities, realized and unrealized gains/losses on foreign exchange transactions, gains/losses on foreign exchange and interest rate derivatives not designated for hedge accounting, and other select non-recurring income or expense items which we believe are not indicative of our overall long-term operating performance.
In determining FFO, as adjusted, we make further adjustments to the NAREIT computation of FFO to exclude the effects of non-real estate related asset impairments and intangible amortization, acquisition related costs, other write-offs incurred in connection with acquisitions, contingent earnout expenses, accretion of fair value of debt adjustments, gains or losses from extinguishment of debt, adjustments of deferred tax assets and liabilities, realized and unrealized gains/losses on foreign exchange transactions, gains/losses on foreign exchange and interest rate derivatives not designated for hedge accounting, and other select non-recurring income or expense items which we believe are not indicative of our overall long-term operating performance.
In general, a VIE is an entity or other legal structure used to conduct activities or hold assets that either (1) has an insufficient amount of equity to carry out its principal activities without additional subordinated 49 financial support, (2) has a group of equity owners that are unable to make significant decisions about its activities, or (3) has a group of equity owners that do not have the obligation to absorb losses or the right to receive returns generated by its operations.
In general, a VIE is an entity or other legal structure used to conduct activities or hold assets that either (1) has an insufficient amount of equity to carry out its principal activities without additional subordinated financial support, (2) has a group of equity owners that are unable to make significant decisions about its activities, or (3) has a group of equity owners that do not have the obligation to absorb losses or the right to receive returns generated by its operations.
Our primary business model is focused on owning and operating high quality self storage properties in high growth markets in the United States and Canada. We finance our portfolio through a diverse capital strategy which includes cash generated from operations, borrowings under our syndicated revolving line of credit, secured and unsecured debt financing, equity offerings and joint ventures.
Our primary business model is focused on owning and operating high quality self storage properties in high growth markets in the United States and Canada. We finance our portfolio through a diverse capital strategy which includes cash generated from operations, borrowings under our syndicated revolving line of credit, secured debt financing, equity offerings and joint ventures.
The White Paper defines FFO as net income (loss) computed in accordance with GAAP, excluding gains or losses from sales of property and real estate related asset impairment write downs, plus depreciation and amortization, and after adjustments for unconsolidated partnerships and joint ventures. Additionally, gains and losses from change in control are excluded from the determination of FFO.
The White Paper defines FFO as net income (loss) computed in accordance with 56 GAAP, excluding gains or losses from sales of property and real estate related asset impairment write downs, plus depreciation and amortization, and after adjustments for unconsolidated partnerships and joint ventures. Additionally, gains and losses from change in control are excluded from the determination of FFO.
(10) Such costs relate to our filing of an S-11 registration statement and our pursuit of a potential offering of our common stock. As this item is non-recurring and not a primary driver in our decision-making process, FFO is adjusted for its effect to arrive at FFO, as adjusted, as a means of determining a comparable sustainable operating performance metric.
(9) Such costs relate to our filing of an S-11 registration statement and our pursuit of a potential offering of our common stock. As this item is non-recurring and not a primary driver in our decision-making process, FFO is adjusted for its effect to arrive at FFO, as adjusted, as a means of determining a comparable sustainable operating performance metric.
Although property taxes were moderated through assessment challenges over the past two years, we expect elevated property tax increases in our sector in the coming years. We expect same-store expense growth resulting from increases in employee costs, property insurance and property taxes in 2023, to be partially offset by operating efficiencies gained from leveraging technology and solar initiatives.
Although property taxes were moderated through assessment challenges over the past two years, we expect elevated property tax increases in our sector in the coming years. We expect same-store expense growth resulting from increases in employee costs, property insurance and property taxes in 2024, to be partially offset by operating efficiencies gained from leveraging technology and solar initiatives.
(2) This represents the portion of the above stated adjustments in the calculations of FFO and FFO, as adjusted, that are attributable to our noncontrolling interests. (3) These items represent the amortization, accretion, or adjustment of intangible assets or deferred tax liabilities.
(2) This represents the portion of the above stated adjustments in the calculations of FFO and FFO, as adjusted, that are attributable to our noncontrolling interests in our Operating Partnership. (3) These items represent the amortization, accretion, or adjustment of intangible assets or deferred tax assets and liabilities.
Long-Term Liquidity and Capital Resources On a long-term basis, our principal demands for funds will be for our property operating expenses, general and administrative expenses, Managed REIT Platform expenses, debt service payments, capital expenditures, property acquisitions, investments in our Managed REITs, and distributions to our Series A Convertible Preferred stockholder, limited partners in our Operating Partnership, and our stockholders, as necessary to maintain our REIT qualification.
Long-Term Liquidity and Capital Resources On a long-term basis, our principal demands for funds will be for our property operating expenses, general and administrative expenses, Managed REIT Platform expenses, debt service payments, capital expenditures, property acquisitions, investments in our Managed REITs, required payments pursuant to our Sponsor Funding Agreement, and distributions to our Series A Convertible Preferred stockholder, limited partners in our Operating Partnership, and our stockholders, as necessary to maintain our REIT qualification.
Comparison of the Years Ended December 31, 2021 and 2020 The results of operations and cash flows for the years ended December 31, 2021 compared to December 31, 2020 were included in our Annual Report on Form 10-K for the year ended December 31, 2021 which was filed with the SEC on March 23, 2022.
Comparison of the Years Ended December 31, 2022 and 2021 The results of operations and cash flows for the years ended December 31, 2022 compared to December 31, 2021 were included in our Annual Report on Form 10-K for the year ended December 31, 2022 which was filed with the SEC on March 3, 2023.
We evaluate the consolidation of our investments in joint ventures in accordance with relevant accounting guidance. This evaluation requires us to determine whether we have a controlling interest in a joint venture through a means other than voting rights, and, if so, such joint venture may be required to be consolidated in our financial statements.
We evaluate the consolidation of our investments in VIE's in accordance with relevant accounting guidance. This evaluation requires us to determine whether we have a controlling interest in a VIE through a means other than voting rights, and, if so, such VIE may be required to be consolidated in our financial statements.
Liquidity and Capital Resources Short-Term Liquidity and Capital Resources Our liquidity needs consist primarily of our property operating expenses, general and administrative expenses, Managed REIT Platform expenses, debt service payments, capital expenditures, property acquisitions, investments in our Managed REITs, and distributions to our Series A Convertible Preferred stockholder, limited partners in our Operating Partnership, and our stockholders, as necessary to maintain our REIT qualification.
Liquidity and Capital Resources Short-Term Liquidity and Capital Resources Our liquidity needs consist primarily of our property operating expenses, general and administrative expenses, Managed REIT Platform expenses, debt service payments, capital expenditures, property acquisitions, property developments and improvements, investments in our Managed REITs, required payments pursuant to our Sponsor Funding Agreement, and distributions to our Series A Convertible Preferred stockholder, limited partners in our Operating Partnership, and our stockholders, as necessary to maintain our REIT qualification.
Property Operating Expenses Property operating expenses for the years ended December 31, 2022 and 2021 were approximately $58.4 million (or 29.2% of self storage revenue) and $48.1 million (or 30.4% of self storage revenue), respectively. Property operating expenses include the costs to operate our facilities including payroll expense, utilities, insurance, real estate taxes, and marketing.
Property Operating Expenses Property operating expenses for the years ended December 31, 2023 and 2022 were approximately $65.4 million (or 30.4% of self storage revenue) and $58.4 million (or 29.2% of self storage revenue), respectively. Property operating expenses include the costs to operate our facilities including compensation related expenses, utilities, insurance, real estate taxes, and property related marketing.
As of December 31, 2022 and 2021, we wholly-owned 153 and 139 operating self storage facilities, respectively. Our operating results for the year ended December 31, 2022 included full year period results for 139 operating self storage facilities and partial period results for 14 operating self storage facilities acquired during the year ended December 31, 2022.
As of December 31, 2023 and 2022, we wholly-owned 154 and 153 operating self storage facilities, respectively. Our operating results for the year ended December 31, 2023 included full year period results for 153 operating self storage facilities and partial period results for one operating self storage facility acquired during the year ended December 31, 2023.
Recently, the broader economy began experiencing increased levels of inflation, higher interest rates, tightening monetary and fiscal policies and a slowdown in home price appreciation and new home sales. This could result in less discretionary spending, weakening consumer balance sheets and reduced demand for self storage.
Further, the broader economy has been experiencing elevated levels of inflation, higher interest rates, tightening monetary and fiscal policies and a slowdown in home sales. This could result in less discretionary spending, weakening consumer balance sheets and reduced demand for self storage.
Further, through our Managed REIT Platform (as defined below), we serve as the sponsor of Strategic Storage Trust VI, Inc., a publicly-registered non-traded REIT ("SST VI"), and Strategic Storage Growth Trust III, Inc., a private company that intends to elect to qualify as a REIT ("SSGT III" and together with SST VI, the "Managed REITs"), both of which pay us fees to manage these programs and manage their 19 operating self storage properties (as of December 31, 2022).
Further, through our Managed REIT Platform (as defined below), we serve as the sponsor of Strategic Storage Trust VI, Inc., a publicly-registered non-traded REIT ("SST VI"), and Strategic Storage Growth Trust III, Inc., a private REIT ("SSGT III" and together with SST VI, the "Managed REITs"), and manage one additional self storage property, all of which pay us fees to manage these programs and manage their 32 operating self storage properties (as of December 31, 2023).
Additionally, we had 50% equity interests in ten unconsolidated real estate ventures located in the Greater Toronto Area, which consisted of seven operating self storage properties, two parcels of land under development into self storage facilities, and one single tenant industrial building, which we plan to convert into a self storage property over the long term.
Additionally, we owned a 50% equity interest in eleven unconsolidated real estate ventures located in Canada, which consisted of eight operating self storage properties, two parcels of land currently under development into self storage facilities, and one single tenant industrial building, which we plan to convert into a self storage property over the long term.
(2) Property operating expenses excludes corporate general and administrative expenses, interest expense, depreciation, amortization expense, and acquisition expenses. (3) Of the total rentable square feet, parking represented approximately 1,016,000 square feet and 937,000 square feet as of December 31, 2022 and 2021, respectively.
(2) Property operating expenses excludes corporate general and administrative expenses, interest expense, depreciation, amortization expense, and acquisition expenses. (3) Of the total rentable square feet, parking represented approximately 1,017,000 square feet and 1,016,000 square feet as of December 31, 2023 and 2022, respectively. On a same-store basis, for the same periods, parking represented approximately 949,000 square feet.
As a result, future distributions declared and paid may exceed cash flow from operations. Indebtedness As of December 31, 2022, our net debt was approximately $1,068 million, which included approximately $442.8 million in fixed rate debt, and $630.2 million in variable rate debt, less approximately $0.1 million in debt discount, and approximately $4.5 million in net debt issuance costs.
As a result, future distributions declared and paid may exceed cash flow from operations. 62 Indebtedness As of December 31, 2023, our net debt was approximately $1,087.4 million, which included approximately $523.1 million in fixed rate debt, and $568.7 million in variable rate debt, less approximately $0.1 million in debt discount, and approximately $4.3 million in net debt issuance costs.
On January 17, 2023, our board of directors declared a distribution rate for the month of February 2023 of approximately $0.00164 per day per share on the outstanding shares of common stock payable to Class A and Class T stockholders of record of such shares as shown on our books at the close of business on each day of the period commencing on February 1, 2023 and ending February 28, 2023.
Common Stock Distributions On January 26, 2024, our board of directors declared a distribution rate for the month of February 2024 of approximately $0.0475 per share on the outstanding shares of common stock payable to Class A and Class T stockholders of record of such shares as shown on our books at the close of business on February 29, 2024.
Additionally, during the year ended December 31, 2022, we recorded expenses of approximately $1.8 million related to our filing of an S-11 registration statement (including subsequent amendments) and related costs in pursuit of a potential offering of our common stock. The remaining increase is primarily attributable to increased professional and legal costs, transfer agent costs and compensation-related expenses.
Additionally, during the years ended December 31, 2023 and 2022, we recorded expenses of approximately $0.8 million and $1.8 million, respectively, related to our filing of an S-11 registration statement (including subsequent amendments) and related costs in pursuit of a potential offering of our common stock.
The funds that are available for distribution may be affected by a number of factors, including the following: • our operating and interest expenses; • our ability to keep our properties occupied; • our ability to maintain or increase rental rates; • increases to our property operating expenses; • construction defects or capital improvements; • capital expenditures and reserves for such expenditures; • the issuance of additional shares; • financings and refinancings; and • dividends with respect to the outstanding shares of our Series A Convertible Preferred Stock. 60 The following shows our distributions paid and the sources of such distributions for the respective periods presented: Year Ended December 31, 2022 Year Ended December 31, 2021 Distributions paid in cash – common stockholders $ 49,391,782 $ 26,157,045 Distributions paid in cash – Operating Partnership unitholders 7,301,215 6,139,772 Distributions paid in cash – preferred stockholders 12,500,000 12,277,935 Distributions reinvested 5,243,398 19,564,929 Total distributions $ 74,436,395 $ 64,139,681 Source of distributions Cash flows provided by operations $ 74,436,395 100.0 % $ 58,764,984 91.6 % Cash provided by financing activities — 0.0 % — 0.0 % Offering proceeds from distribution reinvestment plan — 0.0 % 5,374,697 8.4 % Total sources $ 74,436,395 100 % $ 64,139,681 100 % From our inception through December 31, 2022, we paid cumulative distributions of approximately $321.0 million, of which approximately $260.7 million were paid to common stockholders, as compared to cumulative FFO (attributable to common stockholders) of approximately $68.5 million.
The funds that are available for distribution may be affected by a number of factors, including the following: • our operating and interest expenses; • our ability to keep our properties occupied; • our ability to maintain or increase rental rates; • increases to our property operating expenses; • construction defects or capital improvements; • capital expenditures and reserves for such expenditures; • the issuance of additional shares; • financings and refinancings; and • dividends with respect to the outstanding shares of our Series A Convertible Preferred Stock. 61 The following shows our distributions paid and the sources of such distributions for the respective periods presented: Year Ended December 31, 2023 Year Ended December 31, 2022 Distributions paid in cash – common stockholders $ 40,597,803 $ 49,391,782 Distributions paid in cash – noncontrolling interests 8,860,426 7,301,215 Distributions paid in cash – preferred stockholders 12,500,000 12,500,000 Distributions reinvested 17,636,337 5,243,398 Total distributions $ 79,594,566 $ 74,436,395 Source of distributions Cash flows provided by operations $ 73,191,384 92.0 % $ 74,436,395 100.0 % Offering proceeds from distribution reinvestment plan 6,403,182 8.0 % - 0.0 % Total sources $ 79,594,566 100 % $ 74,436,395 100 % From our inception through December 31, 2023, we paid cumulative distributions of approximately $400.4 million, of which approximately $318.7 million were paid to common stockholders, as compared to cumulative FFO (attributable to common stockholders) of approximately $119.9 million.
According to the Inside Self Storage Top-Operators List for 2022, we are the 11th largest owner and operator of self storage properties in the United States based on number of properties, units, and rentable square footage.
Based on the Inside Self Storage Top-Operators List ranking for 2023, and after accounting for recent market transactions, we are the 10th largest owner and operator of self storage properties in the United States based on number of properties, units, and rentable square footage.
Prior to March 17, 2021 and June 1, 2022, SST IV and SSGT II, respectively, were also included in the “Managed REITs.” We operate the properties owned by the Managed REITs, consisting of, as of December 31, 2022, 19 operating properties and approximately 14,600 units and approximately 1.8 million rentable square feet.
Prior to March 17, 2021 and June 1, 2022, SST IV and SSGT II, respectively, were also included in the “Managed REITs.” We operate the properties owned by the Managed REITs, which together with one other self storage property we manage, as of December 31, 2023, represented 32 operating properties and approximately 25,400 units and approximately 2.8 million rentable square feet.
On February 24, 2023, our board of directors declared a distribution rate for the month of March 2023 of approximately $0.00164 per day per share on the outstanding shares of common stock payable to Class A and Class T stockholders of record of such shares as 59 shown on our books at the close of business on each day of the period commencing on March 1, 2023 and ending March 31, 2023.
Such distributions payable to each stockholder of record will be paid the following month. 60 On February 28, 2024, our board of directors declared a distribution rate for the month of March 2024 of approximately $0.0508 per share on the outstanding shares of common stock payable to Class A and Class T stockholders of record of such shares as shown on our books at the close of business on March 31, 2024.
Acquisitions of portfolios of facilities are allocated to the individual facilities based upon an income approach or a cash flow analysis using appropriate risk adjusted capitalization rates which take into account the relative size, age, and location of the individual facility along with current and projected occupancy and rental rate levels or appraised values, if available.
Acquisitions of portfolios of facilities are allocated to the individual facilities based upon an income approach or a cash flow analysis using appropriate risk adjusted capitalization rates which take into account the relative size, age, and location of the individual facility along with current and projected occupancy and rental rate levels or appraised values, if available. 49 Our allocations of purchase prices are based on certain significant estimates and assumptions, variations in such estimates and assumptions could result in a materially different presentation of the consolidated financial statements or materially different amounts being reported in the consolidated financial statements.
Alternatively, we may issue additional secured or unsecured financing from banks or other lenders, or we may enter into various other forms of financing. In April 2022, we received an investment grade credit rating of BBB- from Kroll Bond Rating Agency, Inc. In accordance with the Note Purchase Agreement, we intend to maintain a credit rating on an annual basis.
Alternatively, we may issue additional secured or unsecured financing from banks or other lenders, or we may enter into various other forms of financing. In April 2022, we received our initial investment grade credit rating of BBB- from Kroll Bond Rating Agency, Inc.
The broader shift of people working from home, elevated migration patterns and strength in the housing market helped drive growth in self storage demand, which generally contributed to our results through the twelve months ended December 31, 2022.
Since the beginning of the COVID-19 pandemic in late March 2020, the broader shift of people working from home, elevated migration patterns and strength in the housing market helped drive growth in self storage demand, which generally contributed to our results since the onset of COVID-19, and through calendar year 2022.
Same-Store Facility Results – Years Ended December 31, 2022 and 2021 The following table sets forth operating data for our same-store facilities (those properties included in the consolidated results of operations since January 1, 2021, excluding three lease-up properties we owned as of January 1, 2021) for the years ended December 31, 2022 and 2021.
Same-Store Facility Results – Years Ended December 31, 2023 and 2022 The following table sets forth operating data for our same-store facilities (stabilized and comparable properties that have been included in the consolidated results of operations since January 1, 2022, excluding two other properties) for the years ended December 31, 2023 and 2022.
The change is primarily the result of additional interest revenue and financing fee revenue earned in 2022. Income Tax (Expense) Benefit Income tax benefit for the years ended December 31, 2022 and 2021 was approximately $0.6 million and $1.8 million of income, respectively. Income tax consists primarily of adjustments to deferred tax liabilities, state, federal, and Canadian income tax.
Income Tax (Expense) Benefit Income tax for the years ended December 31, 2023 and 2022 was approximately $2.6 million and $0.6 million of benefit, respectively. Income tax consists primarily of adjustments to deferred tax liabilities, state, federal, and Canadian income tax.
The change in financing activities is primarily attributable to the effect of debt borrowings, net of paydowns of approximately $196.3 million during the year ended December 31, 2022 compared to approximately $79.7 million of net debt financing provided during the year ended December 31, 2021.
The change in financing activities is primarily attributable to the effect of cash inflows from debt borrowings, net of paydowns of approximately $16.0 million during the year ended December 31, 2023 compared to approximately $196.3 million of net debt financing provided during the year ended December 31, 2022, which resulted in a reduction of such cash inflows of approximately $180.3 million.
For the year ended December 31, 2022, we paid distributions of approximately $74.4 million, of which approximately $54.6 million was paid to common stockholders, as compared to FFO (attributable to common stockholders) of approximately $49.5 million, which reflects a write-off of equity interest and preexisting relationships of approximately $2.0 million, debt defeasance costs of approximately $2.4 million, and acquisition related expenses of approximately $0.9 million.
For the year ended December 31, 2022, we paid distributions of approximately $74.4 million, of which approximately $54.6 million was paid to common stockholders, as compared to FFO (attributable to common stockholders) of approximately $49.5 million.
Our determinations of the useful lives of the assets could result in a materially different presentation of the consolidated financial statements or materially different amounts being reported in the financial statements, as such determinations, and the corresponding amount of depreciation expense, may vary dramatically based on the estimates and assumptions we use.
Our determinations of the useful lives of the assets could result in a materially different presentation of the consolidated financial statements or materially different amounts being reported in the financial statements, as such determinations, and the corresponding amount of depreciation expense, may vary dramatically based on the estimates and assumptions we use. 50 Consolidation Considerations Current accounting guidance provides a framework for identifying a variable interest entity (“VIE”) and determining when a company should include the assets, liabilities, noncontrolling interests, and results of activities of a VIE in its consolidated financial statements.
Interest expense includes interest expense on our debt, accretion of fair market value adjustments of our debt, amortization of debt issuance costs, and the impact of our interest rate hedging derivatives.
Interest Expense Interest expense for the years ended December 31, 2023 and 2022 was approximately $61.8 million and $41.5 million, respectively. Interest expense includes interest expense on our debt, accretion of fair market value adjustments of our debt, amortization of debt issuance costs, and the impact of our interest rate hedging derivatives.
As of December 31, 2022, pursuant to the SST VI Mezzanine Loan, we were potentially required to fund an additional $20.0 million in debt to SST VI at their option.
As of December 31, 2023, pursuant to the SSGT III Mezzanine Loan, we were potentially required to fund an additional $1.5 million in debt to SSGT III at their option. Through December 31, 2023, we have paid SST VI approximately $6.6 million in connection with the Sponsor Funding Agreement.
The following table presents a reconciliation of net loss as presented on our consolidated statements of operations to net operating income, as stated above, for the periods indicated: For the Year Ended December 31, 2022 2021 Net loss $ 21,669,452 $ (19,564,718 ) Adjusted to exclude: Tenant Protection Program revenue (1) (7,455,948 ) (6,520,645 ) Managed REIT Platform revenue (7,819,216 ) (6,322,970 ) Managed REIT Platform expenses 2,485,290 1,451,166 General and administrative 28,253,905 23,265,196 Depreciation 49,417,679 40,946,406 Intangible amortization expense 15,200,854 12,422,205 Acquisition expenses 888,009 934,838 Contingent earnout adjustment 1,514,447 12,619,744 Write-off of equity interest and preexisting relationships upon acquisition of control 2,049,682 8,389,573 Gain on equity interest upon consolidation (16,101,237 ) — Gain on sale of real estate — (178,631 ) Interest expense 41,511,911 33,383,604 Net loss on extinguishment of debt 2,393,475 2,444,788 Income tax expense (benefit) (554,785 ) (1,811,275 ) Other 848,805 2,055,351 Total net operating income $ 134,302,323 $ 103,514,632 (1) Approximately $5.4 million and $5.3 million of Tenant Protection Program revenue was earned at same store facilities during the years ended December 31, 2022 and 2021, respectively, with the remaining approximately $2.1 million and $1.2 million earned at non same-store facilities during the years ended December 31, 2022 and 2021, respectively.
The following table presents a reconciliation of net income (loss) as presented on our consolidated statements of operations to net operating income, as stated above, for the periods indicated: For the Year Ended December 31, 2023 2022 Net income $ 11,646,760 $ 21,669,452 Adjusted to exclude: Tenant Protection Program revenue (1) (7,784,026 ) (7,455,948 ) Managed REIT Platform revenue (11,906,311 ) (7,819,216 ) Managed REIT Platform expenses 3,365,491 2,485,290 General and administrative 27,451,533 28,253,905 Depreciation 53,636,353 49,417,679 Intangible amortization expense 6,593,853 15,200,854 Acquisition expenses 192,358 888,009 Contingent earnout adjustment — 1,514,447 Write-off of equity interest and preexisting relationships upon acquisition of control — 2,049,682 Gain on equity interest upon acquisition — (16,101,237 ) (Earnings) losses from our equity method investments in JV Properties 1,625,135 760,005 (Earnings) losses from our equity method investments in Managed REITs 1,273,143 930,201 Other, net (3,128,867 ) (841,401 ) Interest expense 61,804,621 41,511,911 Net loss on extinguishment of debt — 2,393,475 Income tax expense (benefit) (2,595,856 ) (554,785 ) Total net operating income $ 142,174,187 $ 134,302,323 (1) Approximately $6.8 million and $6.8 million of Tenant Protection Program revenue was earned at same store facilities during the years ended December 31, 2023 and 2022, respectively, with the remaining approximately $1.0 million and $0.7 million earned at non same-store facilities during the years ended December 31, 2023 and 2022, respectively.
In addition, we have the internal capability to originate, structure and manage additional self storage investment programs (the “Managed REIT Platform”) which would be sponsored by SmartStop REIT Advisors, LLC (“SRA”), our indirect subsidiary.
In addition, we have the internal capability to originate, structure and manage additional self storage investment programs (the “Managed REIT Platform”) which would be sponsored by SRA, our indirect subsidiary. We generate asset management fees, property management fees, acquisition fees, and other fees and also receive substantially all of the tenant protection program revenue earned by our Managed REITs.
Cash Flows A comparison of cash flows for operating, investing and financing activities for the years ended December 31, 2022 and 2021 are as follows: Year Ended December 31, 2022 Year Ended December 31, 2021 Change Net cash flow provided by (used in): Operating activities $ 87,909,977 $ 58,764,984 $ 29,144,993 Investing activities $ (205,151,158 ) $ (120,214,731 ) $ (84,936,427 ) Financing activities $ 120,067,251 $ 25,674,567 $ 94,392,684 Cash flows provided by operating activities for the years ended December 31, 2022 and 2021 were approximately $87.9 million and $58.8 million, respectively, an increase of approximately $29.1 million.
Cash Flows A comparison of cash flows for operating, investing and financing activities for the years ended December 31, 2023 and 2022 are as follows: Year Ended December 31, 2023 Year Ended December 31, 2022 Change Net cash flow provided by (used in): Operating activities $ 73,191,384 $ 87,909,977 $ (14,718,593 ) Investing activities $ 261,312 $ (205,151,158 ) $ 205,412,470 Financing activities $ (66,098,584 ) $ 120,067,251 $ (186,165,835 ) Cash flows provided by operating activities for the years ended December 31, 2023 and 2022 were approximately $73.2 million and $87.9 million, respectively, a decrease of approximately $14.7 million.