# EDGAR Filing Document

**Accession Number:** 0000854560
**File Stem:** 0001171843-26-000379
**Filing Date:** 2026-1
**Character Count:** 102848
**Document Hash:** 625be228ce8aa78b4ffa50a07ee8bc0b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-26-000379.hdr.sgml**: 20260122

**ACCESSION NUMBER**: 0001171843-26-000379

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 48

**CONFORMED PERIOD OF REPORT**: 20260121

**ITEM INFORMATION**: Results of Operations and Financial Condition

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260122

**DATE AS OF CHANGE**: 20260122

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GREAT SOUTHERN BANCORP, INC.
- **CENTRAL INDEX KEY:** 0000854560
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 431524856
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-18082
- **FILM NUMBER:** 26550207

**BUSINESS ADDRESS:**
- **STREET 1:** 218 S GLENSTONE AVE
- **CITY:** SPRINGFIELD
- **STATE:** MO
- **ZIP:** 65802
- **BUSINESS PHONE:** 417-887-4400

**MAIL ADDRESS:**
- **STREET 1:** P O BOX 9009
- **CITY:** SPRINGFIELD
- **STATE:** MO
- **ZIP:** 65808-9009

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GREAT SOUTHERN BANCORP INC
- **DATE OF NAME CHANGE:** 19920703

?xml version='1.0' encoding='ASCII'? Form 8-K

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

### Washington, D.C. 20549
_________________

### FORM 8-K
_________________

#### CURRENT REPORT

#### Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

#### Date of Report (Date of earliest event reported): January 21, 2026
_______________________________

#### GREAT SOUTHERN BANCORP, INC.
(Exact name of registrant as specified in its charter)

_______________________________

---

| | | |
|:---|:---|:---|
| **Maryland** | **0-18082** | **43-1524856** |
| (State or Other Jurisdiction of Incorporation) | (Commission File Number) | (I.R.S. Employer Identification No.) |

---

#### 1451 East Battlefield

#### Springfield, Missouri 65804
(Address of Principal Executive Offices) (Zip Code)

(417) 887-4400

(Registrant's telephone number, including area code)

#### Not Applicable
(Former name or former address, if changed since last report)

_______________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
| Common Stock, par value $0.01 per share | GSBC | The NASDAQ Stock Market LLC |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

**Item 2.02. Results of Operations and Financial Condition.**

On January 21, 2026, Great Southern Bancorp, Inc. issued a press release reporting preliminary financial results for the three months ended December 31, 2025. A copy of the press release, including unaudited financial information released as a part thereof, is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

**Item 7.01. Regulation FD Disclosure.**

The Company also published an investor presentation and loan portfolio related to its fourth quarter 2025 financial results, which are available on its website. A copy of the investor presentations are attached as Exhibit 99.2 and Exhibit 99.3.

**Item 9.01. Financial Statements and Exhibits.**

(d) Exhibits

---

| | |
|:---|:---|
| **<u>Exhibit Number</u>** | **<u>Description</u>** |
| [99.1](exh_991.htm) | [Press Release dated January 21, 2026](exh_991.htm) |
| [99.2](exh_992.htm) | [Earnings Presentation](exh_992.htm) |
| [99.3](exh_993.htm) | [Loan Portfolio](exh_993.htm) |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

#### SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | **GREAT SOUTHERN BANCORP, INC.** | **GREAT SOUTHERN BANCORP, INC.** |
| Date: January 21, 2026 | By: | <u>/s/ Joseph W. Turner&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u> |
|  |  | Joseph W. Turner |
|  |  | President and Chief Executive Officer |

---

## Exhibit 99.1

**EXHIBIT 99.1**

**Great Southern Bancorp, Inc. Reports Preliminary Fourth Quarter Earnings of $1.45 Per Diluted Common Share**

**Preliminary Financial Results and Business Update for the Quarter and Year Ended December 31, 2025**

SPRINGFIELD, Mo., Jan. 21, 2026 (GLOBE NEWSWIRE) -- Great Southern Bancorp, Inc. (the "Company") (NASDAQ:GSBC), the holding company for Great Southern Bank (the "Bank"), today reported that preliminary earnings for the three months ended December 31, 2025, were $1.45 per diluted common share ($16.3 million net income) compared to $1.27 per diluted common share ($14.9 million net income) for the three months ended December 31, 2024. Full-year preliminary earnings for 2025 were $71.0 million, or $6.19 per diluted common share, compared to $61.8 million, or $5.26 per diluted common share, for 2024.

For the quarter ended December 31, 2025, annualized return on average common equity was 10.16%, annualized return on average assets was 1.16%, and annualized net interest margin was 3.70%, compared to 9.76%, 1.00% and 3.49%, respectively, for the quarter ended December 31, 2024. For the year ended December 31, 2025, return on average common equity was 11.38%, return on average assets was 1.22%, and net interest margin was 3.67%, compared to 10.55%, 1.05% and 3.42%, respectively, for the year ended December 31, 2024.

**<u>Key Results</u>:**

* **<u>Significant Expense Items</u>:** During the three months ended December 31, 2025, the Company recorded
expenses related to adjustments to asset values for branch closures and certain leased facilities. Expenses totaling $259,000 and $287,000
were recorded in Other Income and Net Occupancy and Equipment Expense, respectively.

* **<u>Net Interest Income</u>:** Net interest income for the fourth quarter of 2025 decreased $371,000
(or approximately 0.7%) to $49.2 million compared to $49.5 million for the fourth quarter of 2024, largely driven by the completion of
accounting recognition in October 2025 of interest income from a previously-terminated interest rate swap, partially offset by lower interest
expense on deposit accounts and other borrowings. Annualized net interest margin was 3.70% for the quarter ended December 31, 2025, compared
to 3.49% for the quarter ended December 31, 2024, and 3.72% for the quarter ended September 30, 2025.

* **<u>Asset Quality</u>:** Non-performing assets and potential problem loans totaled $9.5 million at
December 31, 2025, a decrease of $7.1 million from $16.6 million at December 31, 2024. At December 31, 2025, non-performing assets were
$8.1 million (0.15% of total assets), a decrease of $1.5 million from $9.6 million (0.16% of total assets) at December 31, 2024. See "Asset
Quality" below.

* **<u>Liquidity</u>:** The Company had secured borrowing line availability at the FHLBank and Federal
Reserve Bank of $1.32 billion and $305.2 million, respectively, at December 31, 2025.

* **<u>Capital</u>:** The Company's capital position remained strong as of December 31, 2025, significantly
exceeding the "well-capitalized" thresholds established by regulatory agencies. See "Capital" below.

* **<u>Loans</u>:** Total net loans, excluding mortgage loans held for sale, decreased $333.5 million,
or 7.1%, from $4.69 billion at December 31, 2024 to $4.36 billion at December 31, 2025. This decrease was primarily driven by decreases
in other residential (multi-family) loans, construction loans, one- to four-family residential loans, and commercial business loans. Compared
to September 30, 2025, net loans decreased $110.8 million. The Bank experienced significant loan repayments in the 2025 fourth quarter
and year.

**<u>Selected Financial Data:</u>**

---

| | | | |
|:---|:---|:---|:---|
|  | **Three Months Ended** | **Three Months Ended** | **Three Months Ended** |
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** | **September 30,**<br>**2025** |
|  | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** |
| Net interest income | $49163 | $49534 | $50773 |
| Provision (credit) for credit losses on loans and unfunded commitments | 882 | 1556 | (379) |
| Non-interest income | 7188 | 6934 | 7062 |
| Non-interest expense | 36000 | 36947 | 36116 |
| Provision for income taxes | 3194 | 3043 | 4346 |
| Net income | $16275 | $14922 | $17752 |
| Earnings per diluted common share | $1.45 | $1.27 | $1.56 |

---

Joseph W. Turner, President and CEO of Great Southern, commented, "Our fourth quarter and full year 2025 results reflect the sustained success of our core banking operations and our commitment to long-term tangible book value appreciation, despite a volatile economic environment. Throughout the year, we remained focused on preserving net interest margin, protecting credit quality, controlling non-interest expense, and opportunistically repurchasing our stock. That discipline translated into solid profitability in the fourth quarter, with net income of $16.3 million, or $1.45 per diluted common share, compared to $14.9 million, or $1.27 per diluted common share, in the prior year period. For the full year, net income was $71.0 million, or $6.19 per diluted common share, compared to $61.8 million, or $5.26 per diluted common share, in the prior year."

Turner noted, "Core performance remained solid during the quarter, supported by resilient net interest income, a steady net interest margin, continued moderation in funding costs, and disciplined asset-liability management. Net interest income totaled $49.2 million for the 2025 fourth quarter, down modestly from the prior-year quarter, due mainly to the end of quarterly recognition of interest income from a previously-terminated interest rate swap, as we had disclosed in prior filings. The quarterly recognition had been $2.0 million in prior quarters and was only $134,000 in the fourth quarter of 2025, since it ended in early October 2025. Despite lower interest income, effective management of funding costs reduced interest expense and mostly offset the decrease in interest income. The effective management of loan repricing and funding costs resulted in net interest margin expansion, reaching 3.70% in the fourth quarter of 2025, compared to 3.49% in the same quarter in 2024. Core deposits remained stable during the quarter, underscoring the strength of our customer relationships and the enduring value of our community banking franchise. Compared to the third quarter of 2025, net interest income decreased $1.6 million, due mainly to the ending of income recognition from the previously-terminated interest rate swap."

Turner added, "Loan production remained active during the quarter, though total net loans declined modestly due to heightened paydown and refinancing activity. These repayments were primarily within the multi-family, construction, one- to four-family residential, and commercial business loan portfolios. While we continue to be selective with loan originations, our pipeline of unfunded commitments remained solid, particularly within construction and commercial real estate lending. Additionally, our credit discipline, emphasis on relationship-based lending, and conservative underwriting standards remain evident in our excellent asset quality metrics."

Turner further commented, "Non-performing assets were 0.15% of total assets at year-end 2025, and net charge-offs were negligible for both the fourth quarter and the full year. We did not record a provision for credit losses on loans during 2025."

Turner continued, "Operating discipline remained a priority in the fourth quarter. Non-interest expense totaled approximately $36.0 million, in line with the prior-year quarter and the third quarter of 2025. As part of our focus on controlling operating costs, we continue to strategically invest in technology, infrastructure, and personnel, enabling efficiencies and ultimately expanding capabilities for our customers. The fourth quarter of 2025 also included certain facility-related costs incurred during the period which were not normal operating costs. In 2026, we expect to continue investing in technology. Non-interest income for the quarter totaled $7.2 million, supported by recurring fee-based revenue streams and increased loan-related fee income."

"As we begin 2026, we remain focused on maintaining strong capital and liquidity positions, deploying capital thoughtfully, maintaining strong credit metrics, and supporting our customers and communities. At December 31, 2025, our tangible common equity ratio was 11.2%, and book value per common share was approximately $57.50, reflecting the benefit of consistent earnings and disciplined capital management, including share repurchases during the quarter and throughout 2025. While economic conditions and market interest rate levels may fluctuate throughout 2026, we believe our conservative approach, sound balance sheet, and dedicated associates position Great Southern to continue delivering long-term value for our stockholders," Turner concluded.

**<u>NET INTEREST INCOME</u>**

---

| | | | |
|:---|:---|:---|:---|
|  | **Three Months Ended** | **Three Months Ended** | **Three Months Ended** |
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** | **September 30,**<br>**2025** |
|  | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** |
| Interest Income | $73435 | $82585 | $79079 |
| Interest Expense | 24272 | 33051 | 28306 |
| Net Interest Income | $49163 | $49534 | $50773 |
| Net interest margin | 3.70% | 3.49% | 3.72% |
| Average interest-earning assets to average interest-bearing liabilities | 129.5% | 127.0% | 128.1% |

---

Net interest income for the fourth quarter of 2025 decreased $371,000 (0.7%) to $49.2 million, compared to $49.5 million for the fourth quarter of 2024. This decrease was driven primarily by the $1.9 million net reduction in quarterly interest income associated with a previously-terminated interest rate swap (income ended on October 6, 2025). Additionally, interest income declined due to lower loan balances and lower market rates, which primarily impacted the interest rates on variable-rate loans and new originations of fixed-rate loans. Mostly offsetting the decrease in interest income was reduced interest expense, due to the strategic management of maturing/repricing brokered deposits and interest-bearing demand deposits. Also, there was no interest expense on subordinated notes in the quarter ended December 31, 2025, as those notes were redeemed in June 2025. Correspondingly, annualized net interest margin was 3.70% in the fourth quarter of 2025, compared to 3.49% in the same period of 2024 and 3.72% in the third quarter of 2025. The average interest rate spread was 3.16% for the three months ended December 31, 2025, compared to 2.87% for the three months ended December 31, 2024 and 3.13% for the three months ended September 30, 2025. Net interest income for the fourth quarter of 2025 decreased $1.6 million (3.2%) compared to $50.8 million for the third quarter of 2025, primarily due to the impact of the end of income recognition on the previously-terminated interest rate swap.

The average yield on total interest-earning assets decreased from 5.83% in the 2024 fourth quarter to 5.53% in the 2025 fourth quarter, with the average yield on loans decreasing 34 basis points, the average yield on investment securities increasing 12 basis points and the average yield on other interest earning assets (primarily funds held at the Federal Reserve Bank) decreasing 91 basis points. The average rate paid on total interest-bearing liabilities decreased from 2.96% in the 2024 fourth quarter to 2.37% in the 2025 fourth quarter, with the average rate paid on interest-bearing demand and savings deposits, time deposits and brokered deposits decreasing 26 basis points, 50 basis points and 76 basis points, respectively. The average rate paid on short-term borrowings decreased 70 basis points.

Market interest rates, primarily the federal funds rate and SOFR rates, declined in the fourth quarter of 2024, and remained lower through the fourth quarter of 2025, with additional federal funds rate cuts in September, October, and December of 2025, totaling 75 basis points. This market rate decline reduced the average yield on loans, though the impact was tempered as cash flows from lower-rate fixed rate loans originated a few years ago were deployed into residential and commercial real estate loans with comparably higher rates of interest. The decline in market interest rates also resulted in lower average rates paid on deposits and borrowings, compared to the prior-year fourth quarter.

To mitigate exposure to the risk of fluctuations in future cash flows resulting from changes in interest rates (primarily related to falling interest rates), the Company has strategically utilized derivative financial instruments - primarily interest rate swaps - as part of its interest rate risk management strategy.

The following table presents, for the periods indicated, the effect of cash flow hedge accounting included in interest income in the consolidated statements of income:

---

| | | | |
|:---|:---|:---|:---|
|  | **Three Months Ended** | **Three Months Ended** | **Three Months Ended** |
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** | **September 30,**<br>**2025** |
|  | **(In thousands)** | **(In thousands)** | **(In thousands)** |
| Terminated interest rate swaps | $134 | $2047 | $2047 |
| Active interest rate swaps | (1364) | (2172) | (1761) |
| Increase (decrease) to interest income | $(1230) | $(125) | $286 |

---

The Company entered into an interest rate swap in October 2018, which was terminated in March 2020. Upon termination, the Company received $45.9 million, inclusive of accrued but unpaid interest, from its swap counterparty. The net amount, after deducting accrued interest and deferred income taxes, was accreted to interest income on loans monthly until the originally scheduled termination date of October 6, 2025. With this date having passed, the Company no longer has the benefit of that income from the terminated swap. At December 31, 2025, the Company had two active interest rate swaps with a combined notional amount of $400 million. These swaps resulted in a reduction of interest income of $1.4 million and $2.2 million in the three months ended December 31, 2025 and 2024, respectively.

Market rates for time deposits for much of 2024 were elevated, but have declined as the FOMC cut the federal funds rate by 100 basis points in late 2024, 25 basis points in the third quarter of 2025 and 50 basis points in the fourth quarter of 2025. As of December 31, 2025, time deposit maturities over the next 12 months were as follows: within three months — $591.3 million, with a weighted-average rate of 3.53%; within three to six months — $262.9 million, with a weighted-average rate of 3.13%; and within six to twelve months — $38.7 million, with a weighted-average rate of 1.87%. Based on time deposit market rates in December 2025, replacement rates for these maturing time deposits are likely to be approximately 2.70-3.10%, depending on term.

**<u>NON-INTEREST INCOME</u>**

For the quarter ended December 31, 2025, non-interest income increased $254,000, to $7.2 million, when compared to the quarter ended December 31, 2024, primarily as a result of the following item:

* <u>Late charges and fees on loans</u>: Late charges and fees on loans increased $289,000, or 218.9%, from the prior-year quarter.
This increase was primarily due to prepayment fees on one large commercial real estate loan, which paid off in the 2025 fourth quarter.

Additionally, Other Income, which decreased by $67,000, includes $259,000 in contra-income associated with leased facility asset disposals, mentioned in the 'Significant Expense Item' section above.

**<u>NON-INTEREST EXPENSE</u>**

For the quarter ended December 31, 2025, non-interest expense decreased $947,000, to $36.0 million, when compared to the quarter ended December 31, 2024, primarily as a result of the following items:

* <u>Other operating expenses</u>: Other operating expenses decreased $2.0 million, or 49.0%, from the prior-year quarter. In the 2024
period, the Company expensed $2.0 million due to developments related to a litigation/contract dispute matter.

* <u>Net occupancy and equipment expenses</u>: Net occupancy and equipment expenses increased $1.2 million, or 13.9%, from the prior-year
quarter. Various components of computer license and support expenses, related to upgrades of core systems capabilities and disaster recovery
site, collectively increased by $593,000 in the fourth quarter of 2025 compared to the fourth quarter of 2024. During the three months
ended December 31, 2025, the Company recorded expenses totaling $287,000 related to adjustments to asset values for branch closures and
certain leased facilities. Also, during the three months ended December 31, 2025, the Company recorded a total of $219,000 of seasonal
expenses for snow removal and adjustments to real estate taxes.

The Company's efficiency ratio for the quarter ended December 31, 2025, was 63.89% compared to 65.43% for the same quarter in 2024. The Company's ratio of non-interest expense to average assets was 2.56% for the three months ended December 31, 2025, compared to 2.46% for the three months ended December 31, 2024. Average assets for the three months ended December 31, 2025, decreased $381.1 million, or 6.4%, compared to the three months ended December 31, 2024, primarily due to the decline in the average balance of net loans.

**<u>INCOME TAXES</u>**

For the three months ended December 31, 2025 and 2024, the Company's effective tax rate was 16.4% and 16.9%, respectively. For the years ended December 31, 2025 and 2024, the Company's effective tax rate was 18.7% and 18.1%, respectively. These effective rates were below the statutory federal tax rate of 21.0%, due primarily to the utilization of certain investment tax credits and the Company's tax-exempt investments and tax-exempt loans, which reduced the Company's effective tax rate. The Company's effective tax rate may fluctuate in future periods as it is impacted by the level and timing of the Company's utilization of tax credits, the level of tax-exempt investments and loans, the amount of taxable income in various state jurisdictions and the overall level of pre-tax income. State tax expense estimates continually evolve as taxable income and apportionment between states are analyzed. The Company currently expects its effective tax rate (combined federal and state) will be approximately 18.5% to 19.5% in future periods.

**<u>CAPITAL</u>**

---

| | | | |
|:---|:---|:---|:---|
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** | **September 30,**<br>**2025** |
| **Consolidated Regulatory Capital Ratios** | (Preliminary) |  |  |
| Tier 1 Leverage Ratio | 12.2% | 11.2% | 11.9% |
| Common Equity Tier 1 Capital Ratio | 13.6% | 12.3% | 13.3% |
| Tier 1 Capital Ratio | 14.1% | 12.8% | 13.8% |
| Total Capital Ratio | 15.3% | 15.4% | 15.1% |
| Tangible Common Equity Ratio | 11.2% | 9.9% | 10.9% |

---

As of December 31, 2025, total stockholders' equity was $636.1 million, representing 11.4% of total assets and a book value of $57.50 per common share. This compares to total stockholders' equity of $599.6 million, or 10.0% of total assets, and a book value of $51.14 per common share at December 31, 2024. The $36.6 million increase in stockholders' equity from December 31, 2024, was primarily driven by $71.0 million in net income, a decrease in unrealized losses on investments and interest rate swaps, and a $6.7 million increase from stock option exercises, partially offset by $18.8 million in cash dividends declared on the Company's common stock and $44.5 million in common stock repurchases. The decreased unrealized losses on the Company's available-for-sale investment securities and interest rate swaps, which totaled $32.2 million and $54.4 million (net of taxes) at December 31, 2025 and December 31, 2024, respectively, increased stockholders' equity by $22.2 million during 2025. These net unrealized losses primarily resulted from increased intermediate-term market interest rates in prior periods, which generally decreased the fair value of the investment securities and interest rate swaps. In 2025, these market interest rates decreased, resulting in increases in the fair value of the Company's investment securities and interest rate swaps.

The Company had unrealized losses on its portfolio of held-to-maturity investment securities, which totaled $16.6 million and $24.7 million at December 31, 2025 and December 31, 2024, respectively, that were not included in its total capital balance. If held-to-maturity unrealized losses were included in capital (net of taxes) at December 31, 2025 and December 31, 2024, they would have decreased total stockholder's equity at those dates by $12.5 million and $18.6 million, respectively. These amounts were equal to 2.0% of total stockholders' equity of $636.1 million at December 31, 2025, compared to 3.1% of total stockholders' equity of $599.6 million at December 31, 2024.

In April 2025, the Company's Board of Directors authorized the purchase, from time to time, of up to one million additional shares of the Company's common stock. As of December 31, 2025, approximately 687,000 shares remained available under this stock repurchase authorization.

During the three months ended December 31, 2025, the Company repurchased 241,301 shares of its common stock at an average price of $59.33, and the Company's Board of Directors declared a regular quarterly cash dividend of $0.43 per common share, which, combined, reduced stockholders' equity by $19.2 million.

During the year ended December 31, 2025, the Company repurchased 755,759 shares of its common stock at an average price of $58.35, and the Company's Board of Directors declared regular quarterly cash dividends totaling $1.66 per common share, which, combined, reduced stockholders' equity by $63.3 million.

**<u>LIQUIDITY AND DEPOSITS</u>**

Liquidity is a measure of the Company's ability to generate sufficient cash to meet present and future financial obligations in a timely manner. The Company's primary sources of funds are customer deposits, FHLBank advances, other borrowings, loan repayments, unpledged securities, proceeds from sales of loans and available-for-sale securities and funds provided from operations. The Company utilizes some or all of these sources of funds depending on the comparative costs and availability at the time. The Company has from time to time chosen not to pay rates on deposits as high as the rates paid by certain of its competitors and, at management's discretion, supplements deposits with alternative sources of funds. Management believes that the Company maintains overall liquidity sufficient to satisfy its depositors' requirements and meet its borrowers' credit needs.

At December 31, 2025, the Company had the following available secured lines and on-balance sheet liquidity:

---

| | |
|:---|:---|
|  | **December 31, 2025** |
| Federal Home Loan Bank line | $1,320.6 million |
| Federal Reserve Bank line | 305.2 million |
| Cash and cash equivalents | 189.6 million |
| Unpledged securities – Available-for-sale | 338.5 million |
| Unpledged securities – Held-to-maturity | 24.4 million |

---

During the year ended December 31, 2025, the Company's total deposits decreased $122.8 million. Interest-bearing checking balances increased $74.7 million (3.4%), primarily in certain money market accounts, and non-interest-bearing checking balances decreased $1.4 million (0.2%). Time deposits generated through the Company's banking center and corporate services networks decreased $87.3 million (11.3%). Brokered deposits, obtained through a variety of sources, decreased $108.7 million (14.1%). During the three months ended December 31, 2025, the Company's total deposits decreased $45.3 million, $16.6 million of which was in brokered deposits and $35.2 million of which was in retail time deposits. As total assets (primarily loans receivable) decreased, the Company elected not to replace some of its maturing brokered deposits.

At December 31, 2025, the Company had the following deposit balances:

---

| | |
|:---|:---|
|  | **December 31, 2025** |
| Interest-bearing checking | $2,289.4 million |
| Non-interest-bearing checking | 841.5 million |
| Time deposits | 688.4 million |
| Brokered deposits | 663.4 million |

---

At December 31, 2025, the Company estimated that its uninsured deposits, excluding deposit accounts of the Company's consolidated subsidiaries, were approximately $720.1 million (16.1% of total deposits).

**<u>LOANS</u>**

Total net loans, excluding mortgage loans held for sale, decreased $333.5 million, or 7.1%, from $4.69 billion at December 31, 2024 to $4.36 billion at December 31, 2025. This decrease was primarily driven by decreases in other residential (multi-family) loans of $161.8 million, construction loans of $96.5 million, one- to four-family residential loans of $51.3 million and commercial business loans of $41.8 million. Compared to September 30, 2025, net loans decreased $110.8 million.

The pipeline of the unfunded portion of loans and formal loan commitments remained strong, with the largest portion of these unfunded balances represented by the unfunded portion of outstanding construction loans ($605.5 million at December 31, 2025). See the table below.

For additional details about the Company's loan portfolio, please refer to the quarterly loan portfolio presentation available on the Company's Investor Relations website under "Presentations."

Loan commitments and the unfunded portion of loans at the dates indicated were as follows (in thousands):

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | **December 31,<br>2025** | **September 30,<br>2025** | **June 30,<br>2025** | **March 31,<br>2025** | **December 31,<br>2024** | **December 31,<br>2023** |
| **Closed non-construction loans with unused available lines** |  |  |  |  |  |  |
| &nbsp;&nbsp;Secured by real estate (one- to four-family) | $208229 | $207820 | $211453 | $211119 | $205599 | $203964 |
| &nbsp;&nbsp;Secured by real estate (not one- to four-family) |  |  |  |  |  |  |
| &nbsp;&nbsp;Not secured by real estate – commercial business | 114568 | 87205 | 102891 | 106211 | 106621 | 82435 |
| **Closed construction loans with unused available lines** |  |  |  |  |  |  |
| &nbsp;&nbsp;Secured by real estate (one-to four-family) | 112684 | 88257 | 96935 | 96807 | 94501 | 101545 |
| &nbsp;&nbsp;Secured by real estate (not one-to four-family) | 624025 | 600243 | 644427 | 657828 | 703947 | 719039 |
| **Loan commitments not closed** |  |  |  |  |  |  |
| &nbsp;&nbsp;Secured by real estate (one-to four-family) | 14113 | 16923 | 17148 | 19264 | 14373 | 12347 |
| &nbsp;&nbsp;Secured by real estate (not one-to four-family) | 19412 | 27565 | 13002 | 50296 | 53660 | 48153 |
| &nbsp;&nbsp;Not secured by real estate – commercial business | 38262 | 32837 | 27003 | 18484 | 22884 | 11763 |
|  | $1131293 | $1060850 | $1112859 | $1160009 | $1201585 | $1179246 |

---

 **<u>PROVISION FOR CREDIT LOSSES AND ALLOWANCE FOR CREDIT LOSSES</u>**

During the three months ended December 31, 2025 and 2024, the Company did not record a provision expense on its portfolio of outstanding loans. During the year ended December 31, 2025, the Company did not record a provision expense on its portfolio of outstanding loans, compared to a provision expense of $1.7 million in the year ended December 31, 2024. Total net recoveries were $22,000 for the three months ended December 31, 2025, compared to total net charge-offs of $155,000 during the same period in the prior year. Total net recoveries were $11,000 for the year ended December 31, 2025, compared to total net charge-offs of $1.6 million during the prior year. Additionally, for the quarter ended December 31, 2025, the Company recorded a provision for losses on unfunded commitments of $882,000, compared to a provision for losses on unfunded commitments of $1.6 million for the same period in 2024. For the year ended December 31, 2025, the Company recorded a provision for losses on unfunded commitments of $45,000, compared to a provision for losses on unfunded commitments of $1.0 million in 2024.

The Bank's allowance for credit losses as a percentage of total loans was 1.46%, 1.36% and 1.43% at December 31, 2025, December 31, 2024 and September 30, 2025, respectively. Management considers the allowance for credit losses adequate to cover losses inherent in the Bank's loan portfolio at December 31, 2025, based on recent reviews of the portfolio and current economic conditions. However, if challenging economic conditions persist or worsen, or if management's assessment of the loan portfolio changes, additional provisions for credit losses may be required, which could adversely impact the Company's future financial performance.

**<u>ASSET QUALITY</u>**

At December 31, 2025, non-performing assets were $8.1 million, a decrease of $1.5 million from $9.6 million at December 31, 2024 and an increase of $319,000 from $7.8 million at September 30, 2025. Non-performing assets as a percentage of total assets were 0.15% at December 31, 2025, compared to 0.16% at December 31, 2024 and 0.14% at September 30, 2025.

Activity in the non-performing loan categories during the quarter ended December 31, 2025, was as follows:

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
|  | **Beginning**<br>**Balance,**<br>**October 1** | **Additions**<br>**to Non-**<br>**Performing** | **Removed**<br>**from Non-**<br>**Performing** | **Transfers**<br>**to Potential**<br>**Problem**<br>**Loans** | **Transfers to**<br>**Foreclosed**<br>**Assets and**<br>**Repossessions** | **Charge-**<br>**Offs** | **Payments** | **Ending**<br>**Balance,**<br>**December 31** |
|  | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** |
| One- to four-family construction | $— | $— | $— | $— | $— | $— | $— | $— |
| Subdivision construction |  |  |  |  |  |  |  |  |
| Land development |  |  |  |  |  |  |  |  |
| Commercial construction |  |  |  |  |  |  |  |  |
| One- to four-family residential | 1706 | 388 | (21) |  |  |  | (7) | 2066 |
| Other residential (multi-family) |  |  |  |  |  |  |  |  |
| Commercial real estate |  |  |  |  |  |  |  |  |
| Commercial business |  |  |  |  |  |  |  |  |
| Consumer | 22 | 18 |  |  |  | (9) | (3) | 28 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total non-performing loans | $1728 | $406 | $(21) | $— | $— | $(9) | $(10) | $2094 |

---

* Compared to September 30, 2025, non-performing loans increased $366,000.

* The non-performing one- to four-family residential category consisted of six loans at December 31, 2025, one of which was added during
the current quarter.

* The largest relationship in the one- to four-family residential category totaled $821,000 at December 31, 2025. This relationship
was added to non-performing loans in 2024 and is collateralized by multiple low-income single-family residential properties in New Orleans,
La.

Activity in the potential problem loans categories during the quarter ended December 31, 2025, was as follows:

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
|  | **Beginning**<br>**Balance,**<br>**October 1** | **Additions to**<br>**Potential**<br>**Problem** | **Removed**<br>**from**<br>**Potential**<br>**Problem** | **Transfers**<br>**to Non-**<br>**Performing** | **Transfers to**<br>**Foreclosed**<br>**Assets and**<br>**Repossessions** | **Charge-**<br>**Offs** | **Loan Advances (Payments)** | **Ending**<br>**Balance,**<br>**December 31** |
|  | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** |
| One- to four-family construction | $— | $— | $— | $— | $— | $— | $— | $— |
| Subdivision construction |  |  |  |  |  |  |  |  |
| Land development |  |  |  |  |  |  |  |  |
| Commercial construction |  |  |  |  |  |  |  |  |
| One- to four-family residential | 1155 | 39 |  |  |  |  | (15) | 1179 |
| Other residential (multi-family) |  |  |  |  |  |  |  |  |
| Commercial real estate |  |  |  |  |  |  |  |  |
| Commercial business |  |  |  |  |  |  |  |  |
| Consumer | 243 | 70 | (85) |  |  | (9) | (8) | 211 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total potential problem loans | $1398 | $109 | $(85) | $— | $— | $(9) | $(23) | $1390 |

---

* Compared to September 30, 2025, potential problem loans decreased $8,000.

* At December 31, 2025, the one- to four-family residential category consisted of 14 loans, one of which was added to potential problem
loans during the current quarter.

* The largest relationship in the one- to four-family category totaled $262,000 and was added in the third quarter of 2025. This relationship
is collateralized by a single-family residential property in the St. Louis area.

* At December 31, 2025, the consumer category of potential problem loans consisted of 15 loans, four of which were added during the
current quarter.

Activity in the foreclosed assets and repossessions categories during the quarter ended December 31, 2025 was as follows:

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | **Beginning**<br>**Balance,**<br>**October 1** | **Additions** | **ORE and**<br>**Repossession**<br>**Sales** | **Capitalized**<br>**Costs** | **ORE and**<br>**Repossession**<br>**Write-Downs** | **Ending**<br>**Balance,**<br>**December 31** |
|  | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** |
| One-to four-family construction | $— | $— | $— | $— | $— | $— |
| Subdivision construction |  |  |  |  |  |  |
| Land development |  |  |  |  |  |  |
| Commercial construction |  |  |  |  |  |  |
| One- to four-family residential |  |  |  |  |  |  |
| Other residential (multi-family) |  |  |  |  |  |  |
| Commercial real estate | 6036 |  |  |  | (11) | 6025 |
| Commercial business |  |  |  |  |  |  |
| Consumer | 47 | 23 | (59) |  |  | 11 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total foreclosed assets and repossessions | $6083 | $23 | $(59) | $— | $(11) | $6036 |

---

* Compared to September 30, 2025, foreclosed assets decreased $47,000.

* The largest asset in the commercial real estate category, totaling $6.0 million, consisted of an office building located in Clayton,
Mo. This asset was foreclosed upon in the fourth quarter of 2024.

**<u>BUSINESS INITIATIVES</u>**

The Company maintains its focus on technology initiatives and advancements with its current core provider. Several projects to improve customer-facing online services and delivery continue to move forward. These investments in both foundational projects and a heightened customer experience continue to foster an organizational emphasis on innovation and forward progress.

Great Southern's new banking center at 723 N. Benton Ave. in Springfield, Mo., opened October 20, 2025, replacing an existing branch. The new facility, designed as a next-generation banking center, features customer-centered designs, tools, and technology, and will allow the Company to test new processes and innovations. The location is one of 12 banking centers the Company operates in Springfield, in addition to a drive-thru Express Center.

The Company expects to transition its banking center located at 4700 Mid Rivers Mall Dr. in Cottleville, Mo., to its second drive-thru Express Center location in Spring 2026. This will be the Company's first Express Center in the St. Louis, Mo., market. In addition to the Cottleville location, the Company operates 17 other locations in the St. Louis metro region.

At the end of January 2026, the Company will consolidate operations of its Edina, Minn., banking center, located at 3400 W. 66th St., in Edina, Minn., with its banking center at 10880 175th Court in Lakeville, Minn. Great Southern operates two additional banking centers in the greater Minneapolis area. A 24-hour deposit ATM will remain at the Edina location to serve customers.

**Earnings Conference Call**

The Company will host a conference call on Thursday, January 22, 2026, at 2:00 p.m. Central Time to discuss fourth quarter 2025 preliminary earnings. The call will be available live or in a recorded version at the Company's Investor Relations website, http://investors.greatsouthernbank.com. Participants may register for the call at https://register-conf.media-server.com/register/BId7a25ff609a1458dafd4385e9f9bf51c.

**About Great Southern Bancorp, Inc.**

Headquartered in Springfield, Missouri, Great Southern offers a broad range of banking services to customers. The Company operates 89 retail banking centers in Missouri, Iowa, Kansas, Minnesota, Arkansas and Nebraska and commercial lending offices in Atlanta, Charlotte, Chicago, Dallas, Denver, Omaha, and Phoenix. The common stock of Great Southern Bancorp, Inc. is listed on the Nasdaq Global Select Market under the symbol "GSBC."

***www.GreatSouthernBank.com***

**Forward-Looking Statements**

When used in this press release and in other documents filed or furnished by the Company with or to the Securities and Exchange Commission (the "SEC"), in the Company's other press releases or other public or stockholder communications, and in oral statements made with the approval of an authorized executive officer, the words or phrases "may," "might," "could," "should," "will likely result," "are expected to," "will continue," "is anticipated," "believe," "estimate," "project," "intends" or similar expressions are intended to identify "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements also include, but are not limited to, statements regarding plans, objectives, expectations or consequences of announced transactions, known trends and statements about future performance, operations, products and services of the Company. The Company's ability to predict results or the actual effects of future plans or strategies is inherently uncertain, and the Company's actual results could differ materially from those contained in the forward-looking statements.

Factors that could cause or contribute to such differences include, but are not limited to: (i) expected revenues, cost savings, earnings accretion, synergies and other benefits from the Company's merger and acquisition activities might not be realized within the anticipated time frames or at all, and costs or difficulties relating to integration matters, including but not limited to customer and employee retention, might be greater than expected; (ii) changes in economic conditions, either nationally or in the Company's market areas; (iii) the effects of any new or continuing public health issues on general economic and financial market conditions; (iv) fluctuations in interest rates, the effects of inflation or a potential recession, whether caused by Federal Reserve actions or otherwise; (v) the impact of bank failures or adverse developments at other banks and related negative press about the banking industry in general on investor and depositor sentiment; (vi) slower or negative economic growth caused by tariffs, changes in energy prices, supply chain disruptions or other factors; (vii) the risks of lending and investing activities, including changes in the level and direction of loan delinquencies and write-offs and changes in estimates of the adequacy of the allowance for credit losses; (viii) the possibility of realized or unrealized losses on securities held in the Company's investment portfolio; (ix) the Company's ability to access cost-effective funding and maintain sufficient liquidity; (x) fluctuations in real estate values and both residential and commercial real estate market conditions; (xi) the ability to adapt successfully to technological changes to meet customers' needs and developments in the marketplace; (xii) the possibility that security measures implemented might not be sufficient to mitigate the risk of a cyber-attack or cyber theft, and that such security measures might not protect against systems failures or interruptions; (xiii) legislative or regulatory changes that adversely affect the Company's business; (xiv) changes in accounting policies and practices or accounting standards; (xv) results of examinations of the Company and the Bank by their regulators, including the possibility that the regulators may, among other things, require the Company to limit its business activities, change its business mix, increase its allowance for credit losses, write-down assets or increase its capital levels, or affect its ability to borrow funds or maintain or increase deposits, which could adversely affect its liquidity and earnings; (xvi) costs and effects of litigation, including settlements and judgments; (xvii) competition; and (xviii) natural disasters, war, terrorist activities or civil unrest and their effects on economic and business environments in which the Company operates. The Company wishes to advise readers that the factors listed above and other risks described in the Company's most recent Annual Report on Form 10-K, including, without limitation, those described under "Item 1A. Risk Factors," subsequent Quarterly Reports on Form 10-Q and other documents filed or furnished from time to time by the Company with the SEC (which are available on our website at www.greatsouthernbank.com and the SEC's website at www.sec.gov), could affect the Company's financial performance and cause the Company's actual results for future periods to differ materially from any opinions or statements expressed with respect to future periods in any current statements.

The Company does not undertake-and specifically declines any obligation- to publicly release the result of any revisions which may be made to any forward-looking statements to reflect events or circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events.

The following tables set forth selected consolidated financial information of the Company at the dates and for the periods indicated. Financial data at all dates other than December 31, 2024, and for all periods other than the year ended December 31, 2024, is unaudited. In the opinion of management, all adjustments, which consist only of normal recurring accrual adjustments, necessary for a fair presentation of the results at and for such unaudited dates and periods have been included. The results of operations and other data for the three months and year ended December 31, 2025 and 2024, and the three months ended September 30, 2025, are not necessarily indicative of the results of operations which may be expected for any future period.

---

| | | |
|:---|:---|:---|
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** |
|  | **(In thousands)** | **(In thousands)** |
| **Selected Financial Condition Data:** |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total assets | $5598606 | $5981628 |
| &nbsp;&nbsp;&nbsp;&nbsp;Loans receivable, gross | 4427678 | 4761848 |
| &nbsp;&nbsp;&nbsp;&nbsp;Allowance for credit losses | 64771 | 64760 |
| &nbsp;&nbsp;&nbsp;&nbsp;Other real estate owned, net | 6036 | 5993 |
| &nbsp;&nbsp;&nbsp;&nbsp;Available-for-sale securities, at fair value | 523831 | 533373 |
| &nbsp;&nbsp;&nbsp;&nbsp;Held-to-maturity securities, at amortized cost | 179200 | 187433 |
| &nbsp;&nbsp;&nbsp;&nbsp;Deposits | 4482774 | 4605549 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total borrowings | 405169 | 679341 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total stockholders' equity | 636126 | 599568 |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-performing assets | 8130 | 9566 |

---

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
|  | **Three Months Ended<br>December 31,** | **Three Months Ended<br>December 31,** | **Year Ended<br>December 31,** | **Year Ended<br>December 31,** | |
|  | **2025** | **2024** | **2025** | **2024** | **Three Months Ended September 30,**<br>**2025** |
|  | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** | **(In thousands)** |
| **Selected Operating Data:** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest income | $73435 | $82585 | $313732 | $324698 | $79079 |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest expense | 24272 | 33051 | 113499 | 135555 | 28306 |
| &nbsp;&nbsp;&nbsp;&nbsp;Net interest income | 49163 | 49534 | 200233 | 189143 | 50773 |
| &nbsp;&nbsp;&nbsp;&nbsp;Provision (credit) for credit losses on loans and unfunded commitments | 882 | 1556 | 45 | 2716 | (379) |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-interest income | 7188 | 6934 | 29052 | 30565 | 7062 |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-interest expense | 36000 | 36947 | 141943 | 141495 | 36116 |
| &nbsp;&nbsp;&nbsp;&nbsp;Provision for income taxes | 3194 | 3043 | 16324 | 13690 | 4346 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net income | $16275 | $14922 | $70973 | $61807 | $17752 |

---

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
|  | **At or For the Three**<br>**Months Ended** | **At or For the Three**<br>**Months Ended** | **At or For the**<br>**Year Ended** | **At or For the**<br>**Year Ended** | |
|  | **December 31,** | **December 31,** | **December 31,** | **December 31,** | |
|  | **2025** | **2024** | **2025** | **2024** | **At or For the**<br> **Three Months Ended**<br>**September 30,**<br>**2025** |
|  | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** | **(Dollars in thousands, except per share data)** |
| **Per Common Share:** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Net income (fully diluted) | $1.45 | $1.27 | $6.19 | $5.26 | $1.56 |
| &nbsp;&nbsp;&nbsp;&nbsp;Book value | $57.50 | $51.14 | $57.50 | $51.14 | $56.18 |
| **Earnings Performance Ratios:** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Annualized return on average assets | 1.16% | 1.00% | 1.22% | 1.05% | 1.23% |
| &nbsp;&nbsp;&nbsp;&nbsp;Annualized return on average common stockholders' equity | 10.16% | 9.76% | 11.38% | 10.55% | 11.30% |
| &nbsp;&nbsp;&nbsp;&nbsp;Net interest margin | 3.70% | 3.49% | 3.67% | 3.42% | 3.72% |
| &nbsp;&nbsp;&nbsp;&nbsp;Average interest rate spread | 3.16% | 2.87% | 3.10% | 2.76% | 3.13% |
| &nbsp;&nbsp;&nbsp;&nbsp;Efficiency ratio | 63.89% | 65.43% | 61.91% | 64.40% | 62.45% |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-interest expense to average total assets | 2.56% | 2.46% | 2.44% | 2.40% | 2.50% |
| **Asset Quality Ratios:** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Allowance for credit losses to period-end loans | 1.46% | 1.36% | 1.46% | 1.36% | 1.43% |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-performing assets to period-end assets | 0.15% | 0.16% | 0.15% | 0.16% | 0.14% |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-performing loans to period-end loans | 0.05% | 0.07% | 0.05% | 0.07% | 0.04% |
| &nbsp;&nbsp;&nbsp;&nbsp;Annualized net charge-offs to average loans | 0.00% | 0.01% | 0.00% | 0.03% | 0.01% |

---

---

| | | | |
|:---|:---|:---|:---|
| **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Financial Condition**<br>**(In thousands, except number of shares)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Financial Condition**<br>**(In thousands, except number of shares)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Financial Condition**<br>**(In thousands, except number of shares)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Financial Condition**<br>**(In thousands, except number of shares)** |
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** | **September 30,**<br>**2025** |
| **Assets** | | | |
| &nbsp;&nbsp;Cash | $109833 | $109366 | $94106 |
| &nbsp;&nbsp;Interest-bearing deposits in other financial institutions | 79721 | 86390 | 102129 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cash and cash equivalents | 189554 | 195756 | 196235 |
| &nbsp;&nbsp;Available-for-sale securities | 523831 | 533373 | 531348 |
| &nbsp;&nbsp;Held-to-maturity securities | 179200 | 187433 | 181315 |
| &nbsp;&nbsp;Mortgage loans held for sale | 6838 | 6937 | 5593 |
| &nbsp;&nbsp;Loans receivable, net of allowance for credit losses of $64,771 – December 2025; $64,760 – December 2024; $64,749 – September 2025 | 4356853 | 4690393 | 4467683 |
| &nbsp;&nbsp;Interest receivable | 18068 | 20430 | 19931 |
| &nbsp;&nbsp;Prepaid expenses and other assets | 128615 | 136594 | 133412 |
| &nbsp;&nbsp;Other real estate owned and repossessions, net | 6036 | 5993 | 6083 |
| &nbsp;&nbsp;Premises and equipment, net | 133257 | 132466 | 133769 |
| &nbsp;&nbsp;Goodwill and other intangible assets | 9660 | 10094 | 9769 |
| &nbsp;&nbsp;Federal Home Loan Bank stock and other interest-earning assets | 20079 | 28392 | 25603 |
| &nbsp;&nbsp;Current and deferred income taxes | 26615 | 33767 | 27126 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Assets | $5598606 | $5981628 | $5737867 |
| **Liabilities and Stockholders' Equity** |  |  |  |
| **Liabilities** |  |  |  |
| &nbsp;&nbsp;Deposits | $4482774 | $4605549 | $4528033 |
| &nbsp;&nbsp;Securities sold under reverse repurchase agreements with customers | 48467 | 64444 | 42674 |
| &nbsp;&nbsp;Short-term borrowings | 330928 | 514247 | 425907 |
| &nbsp;&nbsp;Subordinated debentures issued to capital trust | 25774 | 25774 | 25774 |
| &nbsp;&nbsp;Subordinated notes |  | 74876 |  |
| &nbsp;&nbsp;Accrued interest payable | 3612 | 12761 | 3909 |
| &nbsp;&nbsp;Advances from borrowers for taxes and insurance | 5781 | 5272 | 9904 |
| &nbsp;&nbsp;Accounts payable and accrued expenses | 56596 | 70634 | 61074 |
| &nbsp;&nbsp;Liability for unfunded commitments | 8548 | 8503 | 7666 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Liabilities | 4962480 | 5382060 | 5104941 |
| **Stockholders' Equity** |  |  |  |
| &nbsp;&nbsp;Capital stock |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Preferred stock, $.01 par value; authorized 1,000,000 shares; issued and outstanding December 2025, December 2024 and September 2025 -0- shares |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Common stock, $.01 par value; authorized 20,000,000 shares; issued and outstanding December 2025 – 11,062,252 shares; December 2024 – 11,723,548 shares; September 2025 – 11,265,937 shares | 111 | 117 | 113 |
| &nbsp;&nbsp;Additional paid-in capital | 54120 | 50336 | 52855 |
| &nbsp;&nbsp;Retained earnings | 614095 | 603477 | 615837 |
| &nbsp;&nbsp;Accumulated other comprehensive loss | (32200) | (54362) | (35879) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Stockholders' Equity | 636126 | 599568 | 632926 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total Liabilities and Stockholders' Equity | $5598606 | $5981628 | $5737867 |

---

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** | **Great Southern Bancorp, Inc. and Subsidiaries**<br>**Consolidated Statements of Income**<br>**(In thousands, except per share data)** |
|  | **Three Months Ended** | **Three Months Ended** | **Year Ended** | **Year Ended** | **Three Months Ended** |
|  | **December 31,** | **December 31,** | **December 31,** | **December 31,** | **September 30,** |
|  | **2025** | **2024** | **2025** | **2024** | **2025** |
| **Interest Income** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Loans | $66531 | $75380 | $285460 | $297176 | $72028 |
| &nbsp;&nbsp;&nbsp;&nbsp;Investment securities and other | 6904 | 7205 | 28272 | 27522 | 7051 |
|  | 73435 | 82585 | 313732 | 324698 | 79079 |
| **Interest Expense** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Deposits | 21185 | 25799 | 94137 | 109705 | 23984 |
| &nbsp;&nbsp;&nbsp;&nbsp;Securities sold under reverse repurchase agreements | 120 | 295 | 1160 | 1407 | 297 |
| &nbsp;&nbsp;&nbsp;&nbsp;Short-term borrowings, overnight FHLBank borrowings and other interest-bearing liabilities | 2598 | 5417 | 14640 | 18222 | 3618 |
| &nbsp;&nbsp;&nbsp;&nbsp;Subordinated debentures issued to capital trust | 369 | 434 | 1547 | 1798 | 407 |
| &nbsp;&nbsp;&nbsp;&nbsp;Subordinated notes |  | 1106 | 2015 | 4423 |  |
|  | 24272 | 33051 | 113499 | 135555 | 28306 |
| **Net Interest Income** | 49163 | 49534 | 200233 | 189143 | 50773 |
| **Provision for Credit Losses on Loans** |  |  |  | 1700 |  |
| **Provision (Credit) for Unfunded Commitments** | 882 | 1556 | 45 | 1016 | (379) |
| **Net Interest Income After Provision for Credit Losses and Provision (Credit) for Unfunded Commitments** | 48281 | 47978 | 200188 | 186427 | 51152 |
| **Non-interest Income** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commissions | 387 | 217 | 1626 | 1227 | 566 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Overdraft and Insufficient funds fees | 1334 | 1314 | 5182 | 5140 | 1367 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;POS and ATM fee income and service charges | 3234 | 3348 | 13202 | 13586 | 3290 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net gains on loan sales | 862 | 899 | 3272 | 3779 | 916 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Late charges and fees on loans | 421 | 132 | 1193 | 512 | 189 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Loss on derivative interest rate products | (8) | (1) | (62) | (58) | (2) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other income | 958 | 1025 | 4639 | 6379 | 736 |
|  | 7188 | 6934 | 29052 | 30565 | 7062 |
| **Non-interest Expense** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Salaries and employee benefits | 19645 | 19509 | 79963 | 78599 | 20184 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net occupancy and equipment expense | 9456 | 8300 | 35297 | 32118 | 8873 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Postage | 916 | 884 | 3565 | 3329 | 893 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insurance | 1078 | 1163 | 4448 | 4622 | 1110 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Advertising | 949 | 955 | 2929 | 3124 | 985 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Office supplies and printing | 211 | 273 | 953 | 1008 | 238 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Telephone | 696 | 697 | 2797 | 2772 | 690 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Legal, audit and other professional fees | 951 | 1001 | 4166 | 5399 | 1248 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expense (income) on other real estate and repossessions | (138) | (114) | (518) | (304) | (142) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Acquired intangible asset amortization | 109 | 108 | 434 | 433 | 109 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other operating expenses | 2127 | 4171 | 7909 | 10395 | 1928 |
|  | 36000 | 36947 | 141943 | 141495 | 36116 |
| **Income Before Income Taxes** | 19469 | 17965 | 87297 | 75497 | 22098 |
| **Provision for Income Taxes** | 3194 | 3043 | 16324 | 13690 | 4346 |
| **Net Income** | $16275 | $14922 | $70973 | $61807 | $17752 |
| **Earnings Per Common Share** |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Basic | $1.46 | $1.27 | $6.23 | $5.28 | $1.57 |
| &nbsp;&nbsp;&nbsp;&nbsp;Diluted | $1.45 | $1.27 | $6.19 | $5.26 | $1.56 |
| **Dividends Declared Per Common Share** | $0.43 | $0.40 | $1.66 | $1.60 | $0.43 |

---

**Average Balances, Interest Rates and Yields**

The following table presents, for the periods indicated, the total dollar amounts of interest income from average interest-earning assets and the resulting yields, as well as the interest expense on average interest-bearing liabilities, expressed both in dollars and rates, and the net interest margin. Average balances of loans receivable include the average balances of nonaccrual loans for each period. Interest income on loans includes interest received on nonaccrual loans on a cash basis. Interest income on loans also includes the amortization of net loan fees, which were deferred in accordance with accounting standards. Net fees included in interest income were $1.0 million and $1.2 million for the three months ended December 31, 2025 and 2024, respectively. Net fees included in interest income were $4.1 million and $4.6 million for the year ended December 31, 2025 and 2024, respectively. Tax-exempt income was not calculated on a tax equivalent basis. The table does not reflect any effect of income taxes.

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
|  | **December 31, 2025** | **Three Months Ended**<br>**December 31, 2025** | **Three Months Ended**<br>**December 31, 2025** | **Three Months Ended**<br>**December 31, 2025** | **Three Months Ended**<br>**December 31, 2025** | **Three Months Ended**<br>**December 31, 2024** | **Three Months Ended**<br>**December 31, 2024** | **Three Months Ended**<br>**December 31, 2024** |
|  | <br>**Yield/Rate** | **Average**<br>**Balance** | <br>**Interest** | **Yield/**<br>**Rate** | | **Average**<br>**Balance** | <br>**Interest** | **Yield/**<br>**Rate** |
|  | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** |
| Interest-earning assets: |  |  |  |  |  |  |  |  |
| Loans receivable: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;One- to four-family residential | 4.26% | $793418 | $8468 | 4.23 | % | $839654 | $8593 | 4.07% |
| &nbsp;&nbsp;Other residential | 6.48 | 1415017 | 23403 | 6.56 |  | 1526985 | 27665 | 7.21 |
| &nbsp;&nbsp;Commercial real estate | 6.05 | 1515102 | 23047 | 6.04 |  | 1540255 | 23915 | 6.18 |
| &nbsp;&nbsp;Construction | 6.63 | 372892 | 6179 | 6.57 |  | 477168 | 8840 | 7.37 |
| &nbsp;&nbsp;Commercial business | 5.73 | 182390 | 2766 | 6.02 |  | 230114 | 3621 | 6.26 |
| &nbsp;&nbsp;Other loans | 6.03 | 173238 | 2668 | 6.11 |  | 171514 | 2746 | 6.37 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total loans receivable | 5.90 | 4452057 | 66531 | 5.93 |  | 4785690 | 75380 | 6.27 |
| Investment securities | 3.13 | 722083 | 6037 | 3.32 |  | 752705 | 6051 | 3.20 |
| Other interest-earning assets | 3.52 | 93191 | 867 | 3.69 |  | 99900 | 1154 | 4.60 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total interest-earning assets | 5.50 | 5267331 | 73435 | 5.53 |  | 5638295 | 82585 | 5.83 |
| Non-interest-earning assets: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;Cash and cash equivalents |  | 97171 |  |  |  | 97104 |  |  |
| &nbsp;&nbsp;Other non-earning assets |  | 252921 |  |  |  | 263099 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total assets |  | $5617423 |  |  |  | $5998498 |  |  |
| Interest-bearing liabilities: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest-bearing demand and savings | 1.20 | $2274031 | 7513 | 1.31 |  | $2244878 | 8835 | 1.57 |
| &nbsp;&nbsp;&nbsp;&nbsp;Time deposits | 3.13 | 701057 | 5545 | 3.14 |  | 778290 | 7128 | 3.64 |
| &nbsp;&nbsp;&nbsp;&nbsp;Brokered deposits | 3.81 | 778120 | 8127 | 4.14 |  | 798605 | 9836 | 4.90 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total deposits | 2.04 | 3753208 | 21185 | 2.24 |  | 3821773 | 25799 | 2.69 |
| &nbsp;&nbsp;Securities sold under reverse repurchase agreements | 0.88 | 42371 | 120 | 1.12 |  | 74292 | 295 | 1.58 |
| &nbsp;&nbsp;Short-term borrowings, overnight FHLBank borrowings and other interest-bearing liabilities | 3.98 | 246611 | 2598 | 4.18 |  | 441975 | 5417 | 4.88 |
| &nbsp;&nbsp;Subordinated debentures issued to capital trust | 5.72 | 25774 | 369 | 5.68 |  | 25774 | 434 | 6.70 |
| &nbsp;&nbsp;Subordinated notes |  |  |  |  |  | 74846 | 1106 | 5.88 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total interest-bearing liabilities | 2.21 | 4067964 | 24272 | 2.37 |  | 4438660 | 33051 | 2.96 |
| Non-interest-bearing liabilities: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;Demand deposits |  | 850130 |  |  |  | 858646 |  |  |
| &nbsp;&nbsp;Other liabilities |  | 58853 |  |  |  | 89407 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total liabilities |  | 4976947 |  |  |  | 5386713 |  |  |
| Stockholders' equity |  | 640476 |  |  |  | 611785 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total liabilities and stockholders' equity |  | $5617423 |  |  |  | $5998498 |  |  |
| Net interest income: |  |  | $49163 |  |  |  | $49534 |  |
| Interest rate spread | 3.29% |  |  | 3.16 | % |  |  | 2.87% |
| Net interest margin\* |  |  |  | 3.70 | % |  |  | 3.49% |
| Average interest-earning assets to average interest-bearing liabilities |  | 129.5% |  |  |  | 127.0% |  |  |
| <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> |

---

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
|  | **December 31, 2025** | **Year Ended**<br>**December 31, 2025** | **Year Ended**<br>**December 31, 2025** | **Year Ended**<br>**December 31, 2025** | **Year Ended**<br>**December 31, 2025** | **Year Ended**<br>**December 31, 2024** | **Year Ended**<br>**December 31, 2024** | **Year Ended**<br>**December 31, 2024** |
|  | <br>**Yield/Rate** | **Average**<br>**Balance** | <br>**Interest** | **Yield/**<br>**Rate** | | **Average**<br>**Balance** | <br>**Interest** | **Yield/**<br>**Rate** |
|  | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** | **(Dollars in thousands)** |
| Interest-earning assets: |  |  |  |  |  |  |  |  |
| Loans receivable: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;One- to four-family residential | 4.26% | $813379 | $34420 | 4.23 | % | $866735 | $34841 | 4.02% |
| &nbsp;&nbsp;Other residential | 6.48 | 1510317 | 103941 | 6.88 |  | 1213729 | 88364 | 7.28 |
| &nbsp;&nbsp;Commercial real estate | 6.05 | 1499154 | 92493 | 6.17 |  | 1514012 | 94094 | 6.21 |
| &nbsp;&nbsp;Construction | 6.63 | 437153 | 30788 | 7.04 |  | 694724 | 52841 | 7.61 |
| &nbsp;&nbsp;Commercial business | 5.73 | 204666 | 13383 | 6.54 |  | 256140 | 16644 | 6.50 |
| &nbsp;&nbsp;Other loans | 6.03 | 169323 | 10435 | 6.16 |  | 171193 | 10392 | 6.07 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total loans receivable | 5.90 | 4633992 | 285460 | 6.16 |  | 4716533 | 297176 | 6.30 |
| Investment securities | 3.13 | 727548 | 24290 | 3.34 |  | 719553 | 22501 | 3.13 |
| Other interest-earning assets | 3.52 | 97141 | 3982 | 4.10 |  | 98594 | 5021 | 5.09 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total interest-earning assets | 5.50 | 5458681 | 313732 | 5.75 |  | 5534680 | 324698 | 5.87 |
| Non-interest-earning assets: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;Cash and cash equivalents |  | 97967 |  |  |  | 96687 |  |  |
| &nbsp;&nbsp;Other non-earning assets |  | 257961 |  |  |  | 254847 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total assets |  | $5814609 |  |  |  | $5886214 |  |  |
| Interest-bearing liabilities: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;Interest-bearing demand and savings | 1.20 | $2245013 | 31405 | 1.40 |  | $2228614 | 38140 | 1.71 |
| &nbsp;&nbsp;Time deposits | 3.13 | 744116 | 25073 | 3.37 |  | 866456 | 34031 | 3.93 |
| &nbsp;&nbsp;Brokered deposits | 3.81 | 847632 | 37659 | 4.44 |  | 729268 | 37534 | 5.15 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total deposits | 2.04 | 3836761 | 94137 | 2.45 |  | 3824338 | 109705 | 2.87 |
| &nbsp;&nbsp;Securities sold under reverse repurchase agreements | 0.88 | 61664 | 1160 | 1.88 |  | 75575 | 1407 | 1.86 |
| &nbsp;&nbsp;Short-term borrowings, overnight FHLBank borrowings and other interest-bearing liabilities | 3.98 | 325061 | 14640 | 4.50 |  | 358262 | 18222 | 5.09 |
| &nbsp;&nbsp;Subordinated debentures issued to capital trust | 5.72 | 25774 | 1547 | 6.00 |  | 25774 | 1798 | 6.98 |
| &nbsp;&nbsp;Subordinated notes |  | 34088 | 2015 | 5.91 |  | 74734 | 4423 | 5.92 |
| &nbsp;&nbsp;&nbsp;&nbsp;Total interest-bearing liabilities | 2.21 | 4283348 | 113499 | 2.65 |  | 4358683 | 135555 | 3.11 |
| Non-interest-bearing liabilities: |  |  |  |  |  |  |  |  |
| &nbsp;&nbsp;Demand deposits |  | 842337 |  |  |  | 857322 |  |  |
| &nbsp;&nbsp;Other liabilities |  | 65175 |  |  |  | 84249 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total liabilities |  | 5190860 |  |  |  | 5300254 |  |  |
| Stockholders' equity |  | 623749 |  |  |  | 585960 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Total liabilities and stockholders' equity |  | $5814609 |  |  |  | $5886214 |  |  |
| Net interest income: |  |  | $200233 |  |  |  | $189143 |  |
| Interest rate spread | 3.29% |  |  | 3.10 | % |  |  | 2.76% |
| Net interest margin\* |  |  |  | 3.67 | % |  |  | 3.42% |
| Average interest-earning assets to average interest-bearing liabilities |  | 127.4% |  |  |  | 127.0% |  |  |
| <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> | <sup>\*Defined as the Company's net interest income divided by average total interest-earning assets.</sup> |

---

 <u>NON-GAAP FINANCIAL MEASURES</u>

This document contains certain financial information determined by methods other than in accordance with accounting principles generally accepted in the United States ("GAAP"), specifically, the ratio of tangible common equity to tangible assets.

In calculating the ratio of tangible common equity to tangible assets, we subtract period-end intangible assets from common equity and from total assets. Management believes that the presentation of this measure excluding the impact of intangible assets provides useful supplemental information that is helpful in understanding our financial condition and results of operations, as it provides a method to assess management's success in utilizing our tangible capital as well as our capital strength. Management also believes that providing a measure that excludes balances of intangible assets, which are subjective components of valuation, facilitates the comparison of our performance with the performance of our peers. In addition, management believes that this is a standard financial measure used in the banking industry to evaluate performance.

This non-GAAP financial measurement is supplemental and is not a substitute for any analysis based on GAAP financial measures. Because not all companies use the same calculation of non-GAAP measures, this presentation may not be comparable to other similarly titled measures as calculated by other companies.

**Non-GAAP Reconciliation: Ratio of Tangible Common Equity to Tangible Assets**

---

| | | |
|:---|:---|:---|
|  | **December 31,**<br>**2025** | **December 31,**<br>**2024** |
|  | **(Dollars in thousands)** | **(Dollars in thousands)** |
| Common equity at period end | $636126 | $599568 |
| Less: Intangible assets at period end | 9660 | 10094 |
| Tangible common equity at period end (a) | $626466 | $589474 |
| Total assets at period end | $5598606 | $5981628 |
| Less: Intangible assets at period end | 9660 | 10094 |
| Tangible assets at period end (b) | $5588946 | $5971534 |
| Tangible common equity to tangible assets (a) / (b) | 11.21% | 9.87% |

---

**CONTACT:** 

Kincade Ayers

Investor Relations,

(616) 233-0500

GSBC@lambert.com

## Exhibit 99.2

**Exhibit 99.2**

![](exh992_01.jpg)

Earnings Presentation January 2026 Great Southern Bancorp. Inc (NASDAQ: GSBC) Fourth Quarter Ended December 31, 2025

![](exh992_02.jpg)

2 Great Southern Bancorp. Inc \| Forward - Looking Statements When used in this presentation and in other documents filed or furnished by the Company with or to the Securities and Exchang e C ommission (the "SEC"), in the Company's other press releases or other public or stockholder communications, and in oral statements made with the approval of an authorized executive officer, the words or ph ras es "may," "might," "could," "should," "will likely result," "are expected to," "will continue," "is anticipated," "believe," "estimate," "project," "intends" or similar expressions are intended to identify "for war d - looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward - looking statements also include, but are not limited to, statements regarding plans, objectives, expectations or consequ ences of announced transactions, known trends and statements about future performance, operations, products and services of the Company. The Company's ability to predict results or the actual effects of future pl ans or strategies is inherently uncertain, and the Company's actual results could differ materially from those contained in the forward - looking statements. Factors that could cause or contribute to such differences include, but are not limited to: (i) expected revenues, cost savings, earnings accretion, synergies and other benefits from the Company's merger and acquisition activities might not be realized within the anticipated time frames or at all, and costs or difficulties relating to integrat ion matters, including but not limited to customer and employee retention, might be greater than expected; (ii) changes in economic conditions, either nationally or in the Company's market areas; (iii) the effects of any n ew or continuing public health issues on general economic and financial market conditions; (iv) fluctuations in interest rates, the effects of inflation or a potential recession, whether caused by Federal Reserve actions or otherwise; (v) the impact of bank failures or adverse developments at other banks and related negative press about the banking industry in general on investor and depositor sentiment; (vi) slower or negative economic gr owt h caused by tariffs, changes in energy prices, supply chain disruptions or other factors; (vii) the risks of lending and investing activities, including changes in the level and direction of loan delinquencies and write - offs and changes in estimates of the adequacy of the allowance for credit losses; (viii) the possibility of realized or unrealized losses on securities held in the Company's investment portfolio; (ix) the Company's ability to access cos t - effective funding and maintain sufficient liquidity; (x) fluctuations in real estate values and both residential and commercial real estate market conditions; (xi) the ability to adapt successfully to technological change s t o meet customers' needs and developments in the marketplace; (xii) the possibility that security measures implemented might not be sufficient to mitigate the risk of a cyber - attack or cyber theft, and that such security measu res might not protect against systems failures or interruptions; (xiii) legislative or regulatory changes that adversely affect the Company's business; (xiv) changes in accounting policies and practices or accounting standa rds ; (xv) results of examinations of the Company and Great Southern Bank by their regulators, including the possibility that the regulators may, among other things, require the Company to limit its business activities, cha nge its business mix, increase its allowance for credit losses, write - down assets or increase its capital levels, or affect its ability to borrow funds or maintain or increase deposits, which could adversely affect its liqu idi ty and earnings; (xvi) costs and effects of litigation, including settlements and judgments; (xvii) competition; and (xviii) natural disasters, war, terrorist activities or civil unrest and their effects on economic and busin ess environments in which the Company operates. The Company wishes to advise readers that the factors listed above and other risks described in the Company's most recent Annual Report on Form 10 - K, including, without limit ation, those described under "Item 1A. Risk Factors," subsequent Quarterly Reports on Form 10 - Q and other documents filed or furnished from time to time by the Company with the SEC (which are available on our website at www.greatsouthernbank.com and the SEC's website at www.sec.gov), could affect the Company's financial performance and cause the Company's actual results for future periods to differ materially from any opini ons or statements expressed with respect to future periods in any current statements. The Company does not undertake - and specifically declines any obligation - to publicly release the result of any revisions which m ay be made to any forward - looking statements to reflect events or circumstances after the date of such statements or to reflect the occurrence of anticipated or unanticipated events.

![](exh992_03.jpg)

3 Great Southern Bancorp. Inc \| Executive Management Team Joseph W. Turner joined Great Southern in 1991 and became an officer of Bancorp in 1995. He was appointed to the Board of Directors of Bancorp and Great Southern in 1997 and has served as President and Chief Executive Officer since 2000. In this role, he has led the company's strategic vision, financial growth, and operational execution, positioning Great Southern as a strong and competitive institution. Before joining Great Southern, Mr. Turner practiced law with Stinson LLP in Kansas City, Missouri, where he specialized in financial and corporate matters. His deep understanding of regulatory compliance, risk management, and corporate governance has been instrumental in guiding the bank's financial strategy. Mr. Turner is the son of William V. Turner, Chairman of the Board, and the brother of Julie Turner Brown, a fellow director. He also serves on the board of CoxHealth, contributing expertise in financial oversight. His decades of leadership have driven Great Southern's success, ensuring stability, disciplined management, and long - term value for shareholders. Rex A. Copeland has served as Senior Vice President, Chief Financial Officer, and Treasurer of Great Southern Bancorp, Inc. and Great Southern Bank since 2000. He oversees all financial functions of the company, including financial reporting, strategic planning, risk management, and capital allocation. With decades of experience in corporate finance, he has played a pivotal role in shaping financial policies, ensuring regulatory compliance, and optimizing efficiency. Before joining Great Southern, Mr. Copeland held financial leadership positions at Bank One Corporation, where he contributed to internal audit, financial strategy and corporate accounting. He began his career as an auditor with Forvis Mazars, LLP (formerly BKD, LLP), developing a strong foundation in financial reporting, internal controls, and audit procedures. Previously practicing as a Certified Public Accountant, he has expertise in financial management, corporate governance, and regulatory affairs. Mr. Copeland's leadership has been instrumental in Great Southern's stability and long - term growth. His financial expertise supports disciplined fiscal management and shareholder value. He remains active in industry organizations, offering insights on financial best practices and corporate strategy. Joseph W. Turner President & Chief Executive Officer Rex A. Copeland Senior Vice President & Chief Financial Officer

![](exh992_04.jpg)

Financial Performance Great Southern Bancorp. Inc (NASDAQ: GSBC) Quarter ended December 31, 2025

![](exh992_05.jpg)

5 Great Southern Bancorp. Inc \| Highlights & Developments 4Q24 3Q25 4Q25 ($000S EXCEPT PER SHARE DATA) INCOME STATEMENT $49,534 $50,773 $49,163 Net Interest Income $14,922 $17,752 $16,275 Net Income $1.27 $1.56 $1.45 Earnings per Diluted Common Share 4Q24 4Q25 ($000S) BALANCE SHEET $599,568 $636,126 Total Stockholders' Equity $4,761,848 $4,427,678 Loans Receivable, Gross $4,605,549 $4,482,774 Total Deposits Earnings Growth: 4Q25 net income increased to $16.3 million ($1.45 per diluted share) from $14.9 million ($1.27 per diluted share) in 4Q24, driven by disciplined non - interest expense management and a lower provision for unfunded commitments. Net Interest Income & Margin: Net interest income decreased by $371,000, or 0.7% year - over - year, to $49.2 million, with an annualized net interest margin of 3.70%, up from 3.49% in 4Q24. Asset Quality: Non - performing assets were $8.1 million (0.15% of total assets), a $1.5 million decrease from December 31, 2024. The change reflects management's disciplined underwriting and conservative lending standards. Capital Strength: Stockholders' equity increased by $36.6 million to $636.1 million, compared to December 31, 2024. The increase reflects a tangible common equity to tangible assets ratio of 11.2%. Loan Portfolio Trends: Gross loans declined $334.2 ථ million, or 7.0%, to $4.43 ථ billion from $4.76 billion at December 31, 2024, primarily due to reductions in other residential (multi - family) loans, construction loans, one - to four - family residential loans, and commercial business loans. 4Q24 3Q25 4Q25 ASSET QUALITY RATIOS 1.36% 1.43% 1.46% Allowance for Credit Losses to Period - End Loans 0.16% 0.14% 0.15% Non - Performing Assets to Period - End Assets 0.01% 0.01% (0.00%) Annualized Net Charge - Offs (recoveries) to Average Loans

![](exh992_06.jpg)

$49,534 $50,773 $49,163 3.49% 3.72% 3.70% 4Q24 3Q25 4Q25 6 Great Southern Bancorp. Inc \| Income Statement Net Income Growth: GSBC reported net income of $16.3 million in 4Q25, a 9.1% increase from $14.9 million in 4Q24. Earnings Per Share: Earnings per diluted common share rose to $1.45 in 4Q25 from $1.27 in 4Q24, marking a 14.2% increase. Net Interest Income: There was a 0.7% decrease in net interest income, reaching $49.2 million in 4Q25, compared to $49.5 million in 4Q24. Non - interest Expense Reduction: Total non - interest expense declined to $36.0 million in 4Q25, a reduction of $0.9 million from 4Q24, primarily due to expenses associated with a contractual dispute in 4Q24. Net Interest Margin: Net interest margin improved by 21 basis points, standing at 3.70% in 4Q25, compared to 3.49% in 4Q24. Dollars In Thousands Net Interest Margin & Net Interest Income Net Interest Margin Net Interest Income

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$217 $566 $387 $1,314 $1,367 $1,334 $3,348 $3,290 $3,234 $899 $916 $862 $132 $189 $421 ($1) ($2) ($8) $1,025 $736 $958 4Q24 3Q25 4Q25 Non - Interest Income Dollars In Thousands Other income Loss on derivative interest rate products Late charges and fees on loans Net gains on loan sales POS and ATM fee income and service charges Overdraft and Insufficient funds fees Commissions 7 Great Southern Bancorp. Inc \| Non - Interest Income Total Non - Interest Income: $7.2 million, a 3.7% increase from $6.9 million in 4Q24. POS and ATM fee income and service charges: $3.2 million, down 3.4% from $3.3 million in 4Q24. Overdraft and insufficient funds fees: $1.33 million, a 1.5% increase from $1.31 million in 4Q24. Late charges and fees on loans: $421,000, a 218.9% increase compared to $132,000 in 4Q24, driven by increased payoff volume. Other Non - Interest Income: $958,000, a 6.5% decrease from $1.0 million in 4Q24. Net gains on loan sales: $862,000, down 4.1% from $899,000 million in 4Q24. Loss on derivative interest rate products: Negative $8,000, compared to negative $1,000 in 4Q24.

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Salaries & Employee Benefits All Other Non-Interest Expense 8 Great Southern Bancorp. Inc \| Non - Interest Expense Total Non - Interest Expense: $36.0 million, a $947,000 decrease from $36.9 million in 4Q24. Net Occupancy and Equipment Expense: Net occupancy expenses increased to $9.5 million, a $1.2 million increase year - over - year, driven by higher computer license and support expenses related to core systems upgrades and disaster recovery capabilities, which increased by $593,000 in 4Q25 compared to 4Q24, along with $287,000 of expenses related to branch closures and leased facility adjustments and $219,000 of seasonal facilities - related expenses, including snow removal and real estate tax adjustments, in the fourth quarter of 2025. Legal, Audit, and Other Professional Fees: Decreased by $50,000 to $951,000, compared to $1.0 million in 4Q24. Salaries and Employee Benefits: Increased by $136,000 to $19.6 million, compared to $19.5 million in 4Q24. The slight increase was related to annual merit increases in various lending and operations areas. $19,509 $20,184 $19,645 $17,438 $15,932 $16,355 4Q24 3Q25 4Q25 Non - Interest Expense Dollars In Thousands

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$4,606 $4,528 $4,483 4Q24 3Q25 4Q25 $2,214.7 $2,269.0 $2,289.4 $842.9 $855.4 $841.5 $775.8 $723.7 $688.4 $772.1 $680.0 $663.4 $0 $500 $1,000 $1,500 $2,000 $2,500 4Q24 3Q25 4Q25 Interest-bearing Non-Interest-bearing Time Brokered 9 Great Southern Bancorp. Inc \| Deposits Interest - Bearing Deposits: Increased by $74.7 million, or 3.4%, compared to 4Q24, primarily driven by an increase in certain money market accounts. Non - Interest - Bearing Deposits: Decreased by $1.4 million, or 0.2%, compared to the 4Q24. Time Deposits: Decreased by $87.3 million, or 11.3%, compared to 4Q24. Brokered Deposits: Decreased by $108.7 million, or 14.1%, across various alternative funding sources relative to 4Q24. Deposit Breakdown Dollars In Millions Total Deposits Dollars In Millions

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10 Great Southern Bancorp. Inc \| Capital Stockholders' Equity at Year - End December 31, 2025: $636.1 million, or 11.4% of total assets, up from $599.6 million (10.0% of total assets) at December 31, 2024. Full Year Key Drivers of Stockholders' Equity Growth: ● $71.0 million in net income. ● $6.7 million in stock option exercises. ● $18.8 million in cash dividends declared. ● $44.5 million in common stock repurchases. ● $22.2 million increase in stockholders' equity driven by a reduction in AOCI Loss for the full year 2025. \*Preliminary Sep. 30, 2025 Dec. 31, 2024 Dec. 31, 2025\* Consolidated Regulatory Capital Ratios 11.9% 11.2% 12.2% Tier 1 Leverage Ratio 13.3% 12.3% 13.6% Common Equity Tier 1 Capital Ratio 13.8% 12.8% 14.1% Tier 1 Capital Ratio 15.1% 15.4% 15.3% Total Capital Ratio 10.9% 9.9% 11.2% Tangible Common Equity Ratio $599.6 $632.9 $636.1 10.0% 11.0% 11.4% 4Q24 3Q25 4Q25 Stockholders' Equity Dollars In Millions Percentage of Total Assets Total Stockholders' Equity

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11 Great Southern Bancorp. Inc \| Loan Portfolio by Category Gross Loans [in thousands] \*Includes Home Equity Loans of $128,030 12 - 31 - 25 $4,434,516 \*Includes Home Equity Loans of $123,359 9 - 30 - 25 $4,543,707 Consumer\* $174,448 4% Single Family Real Estate $788,835 18% Multi - family Real Estate $1,387,410 31% Commercial Real Estate $1,556,148 35% Const & Land Dev $349,161 8% Commercial Business $178,514 4% Consumer\* $171,519 4% Single Family Real Estate $802,384 17% Multi - family Real Estate $1,485,546 33% Commercial Real Estate $1,530,990 34% Const & Land Dev $322,969 7% Commercial Business $230,299 5%

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12 Great Southern Bancorp. Inc \| Loan Growth by Region Gross Loans [in thousands] 12 - 31 - 25 $4,434,516 9 - 30 - 25 $4,543,707 Kansas City $200,178 4% St. Louis $757,898 17% Springfield $402,209 9% Missouri - Other $251,468 6% Iowa/Nebraska/ South Dakota $379,519 8% Minnesota $324,601 7% Oklahoma $107,713 2% Denver $146,660 3% Colorado - Other $108,695 2% Georgia $131,020 3% Chicago $160,137 4% Dallas $213,183 5% Texas - Other $346,326 8% Phoenix $141,203 3% Florida $146,540 3% Midwest Region $260,200 6% Southern Region $343,058 8% Other Region $123,099 3% Kansas City $231,251 5% St. Louis $709,349 16% Springfield $369,920 8% Missouri - Other $249,306 6% Iowa/Nebraska/ South Dakota $379,027 9% Minnesota $324,063 7% Oklahoma $112,942 2% Denver $141,126 3% Colorado - Other $107,303 2% Georgia $121,118 3% Chicago $161,543 4% Dallas $209,343 5% Texas - Other $291,389 7% Phoenix $140,272 3% Florida $167,641 4% Midwest Region $269,497 6% Southern Region $318,176 7% Other Region $131,250 3%

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13 Great Southern Bancorp. Inc \| Asset Quality Metrics Non - Performing Assets (NPAs): Remained stable at $8.1 million, representing 0.15% of total assets, in line with 3Q25. Allowance for Credit Losses (ACL): Remained stable at 1.46% of total loans, a slight increase from 1.43% in 3Q25. Net Charge - Offs (Recoveries): Net recoveries totaled $22,000 for the quarter, representing 0.00% of average loans on an annualized basis, compared to net charge - offs of $155,000, or 0.01%, in 4Q24. Provision (Credit) for Credit Losses on Loans and Unfunded Commitments: Recorded a provision of $882,000, compared to a provision of $1.6 million in 4Q24, reflecting our disciplined approach to lending. Net Charge - Offs (Recoveries) $155,000 $66,000 ($22,000) 4Q24 3Q25 4Q25 $9.6 $7.8 $8.1 0.16% 0.14% 0.15% 4Q24 3Q25 4Q25 Non - Performing Assets Dollars in Millions Non - Performing Assets to Period - End Assets Non - Performing Assets

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14 Great Southern Bancorp. Inc \| Non - GAAP Reconciliation This document contains certain financial information determined by methods other than in accordance with accounting principle s g enerally accepted in the United States ("GAAP"), specifically, the ratio of tangible common equity to tangible assets. In calculating the ratio of tangible common equity to tangible assets, we subtract period - end intangible assets from common equi ty and from total assets. Management believes that the presentation of this measure excluding the impact of intangible assets provides useful supplemental information that is helpful in understanding our financial condition and results of operations, as it provides a method to assess management's success in utilizing our tangible capital as well a s o ur capital strength. Management also believes that providing a measure that excludes balances of intangible assets, which are subjective components of valuation, facilitates th e c omparison of our performance with the performance of our peers. In addition, management believes that this is a standard financial measure used in the banking ind ust ry to evaluate performance. This non - GAAP financial measurement is supplemental and is not a substitute for any analysis based on GAAP financial measures. B ecause not all companies use the same calculation of non - GAAP measures, this presentation may not be comparable to other similarly titled measures as calculated by ot her companies.

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15 Great Southern Bancorp. Inc \| Non - GAAP Reconciliation Non - GAAP Reconciliation: Ratio of Tangible Common Equity to Tangible Assets

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Contact Us (616) 233 - 0500 - GSBC@lambert.com Kincade Ayers Investor Relations Great Southern Bancorp. Inc (NASDAQ: GSBC)

## Exhibit 99.3

**Exhibit 99.3**

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Loan Portfolio Presentation January 2026 Great Southern Bancorp. Inc (NASDAQ: GSBC) Fourth Quarter Ended December 31, 2025

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Consumer\* $174,448 4% Single Family Real Estate $788,835 18% Multi - family Real Estate $1,387,410 31% Commercial Real Estate $1,556,148 35% Const & Land Dev $349,161 8% Commercial Business $178,514 4% 2 Great Southern Bancorp. Inc \| Loan Portfolio by Category Gross Loans [in thousands] \*Includes Home Equity Loans of $128,030 12 - 31 - 25 $4,434,516 \*Includes Home Equity Loans of $123,359 9 - 30 - 25 $4,543,707 Consumer\* $171,519 4% Single Family Real Estate $802,384 17% Multi - family Real Estate $1,485,546 33% Commercial Real Estate $1,530,990 34% Const & Land Dev $322,969 7% Commercial Business $230,299 5%

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Kansas City $231,251 5% St. Louis $709,349 16% Springfield $369,920 8% Missouri - Other $249,306 6% Iowa/Nebraska/ South Dakota $379,027 9% Minnesota $324,063 7% Oklahoma $112,942 2% Denver $141,126 3% Colorado - Other $107,303 2% Georgia $121,118 3% Chicago $161,543 4% Dallas $209,343 5% Texas - Other $291,389 7% Phoenix $140,272 3% Florida $167,641 4% Midwest Region $269,497 6% Southern Region $318,176 7% Other Region $131,250 3% 3 Great Southern Bancorp. Inc \| Loan Portfolio by Region Gross Loans [in thousands] 12 - 31 - 25 $4,434,516 9 - 30 - 25 $4,543,707 Kansas City $200,178 4% St. Louis $757,898 17% Springfield $402,209 9% Missouri - Other $251,468 6% Iowa/Nebraska/ South Dakota $379,519 8% Minnesota $324,601 7% Oklahoma $107,713 2% Denver $146,660 3% Colorado - Other $108,695 2% Georgia $131,020 3% Chicago $160,137 4% Dallas $213,183 5% Texas - Other $346,326 8% Phoenix $141,203 3% Florida $146,540 3% Midwest Region $260,200 6% Southern Region $343,058 8% Other Region $123,099 3%

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Retail $272,152 18% Healthcare $249,012 16% Motels / Hotels $314,077 20% Restaurants $96,696 6% Office Buildings $170,769 11% Industrial $280,376 18% Storage $65,685 4% Other $107,381 7% Commercial Real Estate by Industry Gross Loans [in thousands] 4 Great Southern Bancorp. Inc \| 12 - 31 - 25 $1,556,148 9 - 30 - 25 $1,530,990 Retail $293,816 19% Healthcare $260,053 17% Motels / Hotels $254,714 17% Restaurants $101,825 7% Office Buildings $177,692 11% Industrial $270,088 18% Storage $67,197 4% Other $105,605 7%

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Kansas City $100,762 6% St. Louis $279,766 18% Springfield $114,523 7% Missouri - Other $111,464 7% Iowa/Nebraska/South Dakota $101,246 7% Minnesota $81,257 5% Chicago $148,180 10% Texas $141,510 9% Midwest Region $152,776 10% Southern Region $216,168 14% Other Region $108,496 7% 5 Great Southern Bancorp. Inc \| Commercial Real Estate by Region Gross Loans [in thousands] 12 - 31 - 25 9 - 30 - 25 $1,556,148 $1,530,990 Kansas City $109,431 7% St. Louis $288,990 19% Springfield $97,178 6% Missouri - Other $119,791 8% Iowa/Nebraska/South Dakota $102,014 7% Minnesota $87,656 6% Chicago $146,606 9% Texas $124,353 8% Midwest Region $153,923 10% Southern Region $195,611 13% Other Region $105,437 7%

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Kansas City $17,635 5% St. Louis $107,891 29% Springfield $14,636 4% Missouri - Other $45,096 12% Oklahoma $376 0% Minnesota $16,094 5% Chicago $30,055 8% Denver $11,111 3% Midwest Region $63,704 17% Southern Region $41,136 11% Other Region $21,115 6% Kansas City $9,528 6% St. Louis $49,896 29% Springfield $20,117 12% Oklahoma $17,559 10% Minnesota $12,061 7% Chicago $29,120 17% Denver $15,291 9% Midwest Region $8,963 5% Southern Region $5,650 3% Other Region $2,584 2% 6 Great Southern Bancorp. Inc \| Commercial Real Estate Office and Retail (as of 12/31/25) Gross Loans [in thousands] Average credit size is $1,383,687 12 - 31 - 25 $170,769 Average credit size is $1,526,914 12 - 31 - 25 $368,849

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7 Great Southern Bancorp. Inc \| Office $170,769 Retail + Restaurant $368,849 Traditional Medical $149,237 $21,533 Outstanding Balance 101 18 # of Loans $1,478 $1,133 Avg. Loan Size 45% 69% Weighted Avg. LTV 100 % of Office Portfolio – Pass Rated Restaurants Neighborhood & Shopping Center Mixed - Use Single Tenant Strip Center $96,696 $52,596 $22,402 $53,580 $143,575 Outstanding Balance 82 10 14 69 60 # of Loans $1,151 $5,260 $1,600 $777 $2,354 Avg. Loan Size 58% 53% 67% 50% 58% Weighted Avg. LTV 100% of Retail Portfolio – Pass Rated $17,490 Owner Occupied 46 # of Loans $380 Avg. Loan Size 45% Weighted Avg. LTV $131,747 Office: Non - owner Occ . $91,805 >100,000 $13,105 20,000 - 100,000 $26,837 <20,000 55 # of Loans $2,395 Avg. Loan Size 45% Weighted Avg. LTV Commercial Real Estate Office and Retail (as of 12/31/25) Gross Loans [in thousands]

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Single Family $30,258 9% Apartments $152,148 44% Residential Land Dev $32,160 9% Commercial Land Dev $37,519 11% Retail $24,980 7% Industrial $56,152 16% Storage $7,964 2% Other $7,980 2% 8 Great Southern Bancorp. Inc \| Construction & Land Development by Industry Gross Loans [in thousands] 12 - 31 - 25 9 - 30 - 25 $349,161 $322,969 Single Family $21,856 7% Apartments $131,593 41% Residential Land Dev $25,453 8% Commercial Land Dev $32,725 10% Retail $20,797 6% Industrial $52,189 16% Storage $16,661 5% Other $21,695 7%

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St. Louis $11,782 3% Missouri - Other $23,137 7% Denver $15,281 5% Colorado - Other $49,791 14% Georgia $23,809 7% Dallas $20,960 6% Texas - Other $24,915 7% Phoenix $14,458 4% Midwest Region $90,258 26% Southern Region $50,115 14% Other Region $24,655 7% 9 Great Southern Bancorp. Inc \| Construction & Land Development by Region Gross Loans [in thousands] 12 - 31 - 25 $349,161 9 - 30 - 25 $322,969 St. Louis $18,010 6% Missouri - Other $22,810 7% Denver $26,976 8% Colorado - Other $31,473 10% Georgia $9,870 3% Dallas $22,563 7% Texas - Other $37,696 12% Phoenix $14,586 5% Midwest Region $72,540 22% Southern Region $49,430 15% Other Region $17,015 5%

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St. Louis $73,379 5% Missouri - Other $92,823 7% Iowa/Nebraska/ South Dakota $160,528 12% Minnesota $164,683 12% Oklahoma $48,402 4% Denver $89,507 6% Colorado - Other $40,394 3% Georgia $45,573 3% Dallas $101,317 7% Texas - Other $188,589 14% Midwest Region $72,482 5% Southern Region $224,039 16% Other Region $85,694 6% 10 Great Southern Bancorp. Inc \| Multi Family Real Estate by Region Gross Loans [in thousands] 12 - 31 - 25 $1,387,410 9 - 30 - 25 $1,485,546 Average credit size is $6, 041,746 Average credit size is $6,348,488 St. Louis $104,144 7% Missouri - Other $52,985 4% Iowa/Nebraska/ South Dakota $172,330 12% Minnesota $165,002 11% Oklahoma $52,270 3% Denver $82,679 5% Colorado - Other $61,053 4% Georgia $73,173 5% Dallas $121,248 8% Texas - Other $228,395 15% Midwest Region $55,088 4% Southern Region $231,928 16% Other Region $85,251 6%

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25% or less : $17,824 1% 26% - 50% : $355,356 26% 51% - 75% : $898,145 65% 76% - 85% : $82,922 6% 86% and higher : $33,163 2% 11 Great Southern Bancorp. Inc \| Multi Family Real Estate by LTV Gross Loans [in thousands] 12 - 31 - 25 $1,387,410 9 - 30 - 25 $1,485,546 25% or less : $19,164 1% 26% - 50% : $365,436 25% 51% - 75% : $1,021,280 69% 76% - 85% : $46,491 3% 86% and higher : $33,175 2%

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Consumer\* $28 1% Single Family Real Estate $2,066 99% 12 Great Southern Bancorp. Inc \| Non - Performing by Type Gross Loans [in thousands] 12 - 31 - 25 $2,094 9 - 30 - 25 $1,728 \*Includes Home Equity Loans of $18 \*Includes Home Equity Loans of $0 Consumer\* $22 1% Single Family Real Estate $1,706 99%

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Missouri $227 11% Iowa/Nebraska/ South Dakota $386 18% Southern Region $1,439 69% Other Region $7 0% Midwest Region $35 2% 13 Great Southern Bancorp. Inc \| Non - Performing by Region Gross Loans [in thousands] 12 - 31 - 25 $2, 094 9 - 30 - 25 $1,728 Missouri $160 9% Iowa/Nebraska/ South Dakota $393 23% Southern Region $1,151 67% Other Region $7 0% Midwest Region $17 1%

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Midwest Region Southern Region 14 Great Southern Bancorp. Inc \| • Illinois • Indiana • Iowa • Kansas • Michigan • Minnesota • Missouri • Nebraska • North Dakota • Ohio • South Dakota • Wisconsin • Alabama • Arkansas • Delaware • Florida • Georgia • Kentucky • Louisiana • Maryland • Mississippi • North Carolina • Oklahoma • South Carolina • Tennessee • Texas • Virginia • Washington DC • West Virginia States by Region

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Contact Us (616) 233 - 0500 - GSBC@lambert.com Kincade Ayers Investor Relations Great Southern Bancorp. Inc (NASDAQ: GSBC)