Orchid Island Capital Announces September 2026 Monthly Dividend and August 31, 2026 RMBS Portfolio Characteristics

• September 2026 Monthly Dividend of $0.10 Per Share of Common Stock
• RMBS Portfolio Characteristics as of August 31, 2026
• Next Dividend Announcement Expected October 14, 2026

VERO BEACH, Fla., Sept. 14, 2026 (GLOBE NEWSWIRE) -- Orchid Island Capital, Inc. (the “Company”) (NYSE: ORC) announced today that the Board of Directors of the Company declared a monthly cash dividend for the month of September 2026. The dividend of $0.10 per share will be paid October 29, 2026 to holders of record of the Company’s common stock on September 30, 2026, with an ex-dividend date of September 30, 2026. The Company plans on announcing its next common stock dividend on October 14, 2026.

The Company intends to make regular monthly cash distributions to its holders of common stock. In order to qualify as a real estate investment trust (“REIT”), the Company must distribute annually to its stockholders an amount at least equal to 90% of its REIT taxable income, determined without regard to the deduction for dividends paid and excluding any net capital gain. The Company will be subject to income tax on taxable income that is not distributed and to an excise tax to the extent that a certain percentage of its taxable income is not distributed by specified dates. The Company has not established a minimum distribution payment level and is not assured of its ability to make distributions to stockholders in the future.

As of September 14, 2026, the Company had 197,407,315 shares of common stock outstanding. As of August 31, 2026, the Company had 198,407,315 shares of common stock outstanding. As of June 30, 2026, the Company had 199,603,438 shares of common stock outstanding.

RMBS Portfolio Characteristics

Details of the RMBS portfolio as of August 31, 2026 are presented below. These figures are preliminary and subject to change. The information contained herein is an intra-quarter update created by the Company based upon information that the Company believes is accurate:

• RMBS Valuation Characteristics
• RMBS Assets by Agency
• Investment Company Act of 1940 (Whole Pool) Test Results
• Repurchase Agreement Exposure by Counterparty
• RMBS Risk Measures

About Orchid Island Capital, Inc.

Orchid Island Capital, Inc. is a specialty finance company that invests on a leveraged basis in Agency RMBS. Our investment strategy focuses on, and our portfolio consists of, two categories of Agency RMBS: (i) traditional pass-through Agency RMBS, such as mortgage pass-through certificates and collateralized mortgage obligations issued by Fannie Mae, Freddie Mac or Ginnie Mae, and (ii) structured Agency RMBS. The Company is managed by Bimini Advisors, LLC, a registered investment adviser with the Securities and Exchange Commission.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. These forward-looking statements include, but are not limited to, statements about the Company’s distributions. These forward-looking statements are based upon Orchid Island Capital, Inc.’s present expectations, but these statements are not guaranteed to occur. Investors should not place undue reliance upon forward-looking statements. For further discussion of the factors that could affect outcomes, please refer to the “Risk Factors” section of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025.

RMBS Valuation Characteristics ($ in thousands)                                                                                     Realized                                      Realized  Jun-26 -                                      Aug-26  Aug-26                      Net          Weighted  CPR  CPR                      Weighted          Average  (1-Month)  (3-Month)  Modeled Interest   Current  Fair  % of  Current  Average          Maturity  (Reported  (Reported  Rate Sensitivity (1) Type Face  Value  Portfolio  Price  Coupon  GWAC  Age  (Months)  in September)  in September)  (-50 BPS)  (+50 BPS) Fixed Rate RMBS                                                30yr 3.0 $310,053  $268,632   2.41%  86.64   3.00%  3.52%  64   288   6.1%  7.3% $8,196  $(8,337)30yr 3.5  36,279   32,370   0.29%  89.23   3.50%  4.30%  83   257   16.1%  12.7%  971   (987)30yr 4.0  46,672   43,290   0.39%  92.75   4.00%  4.77%  87   268   9.8%  8.5%  1,166   (1,200)30yr 4.5  430,295   407,161   3.65%  94.62   4.50%  5.46%  32   323   4.6%  6.2%  9,708   (10,522)30yr 5.0  2,142,609   2,077,919   18.63%  96.98   5.00%  6.00%  15   341   4.4%  4.5%  45,924   (51,221)30yr 5.5  3,975,481   3,965,569   35.55%  99.75   5.50%  6.45%  15   341   5.6%  6.2%  74,189   (85,799)30yr 6.0  2,984,967   3,042,213   27.27%  101.92   6.00%  6.92%  20   334   9.3%  10.6%  42,934   (52,877)30yr 6.5  1,207,899   1,254,814   11.25%  103.88   6.50%  7.39%  22   332   18.4%  20.8%  13,254   (17,168)30yr 7.0  48,305   50,890   0.46%  105.35   7.00%  7.91%  33   320   6.2%  28.9%  565   (687)Total Pass-Through RMBS  11,182,560   11,142,858   99.90%  99.64   5.53%  6.46%  20   335   7.8%  8.9%  196,907   (228,798)Total Structured RMBS  79,795   11,596   0.10%  14.53   3.40%  4.59%  141   202   3.4%  7.3%  (30)  23 Total Mortgage Assets $11,262,355  $11,154,454   100.00%      5.52%  6.45%  21   334   7.7%  8.9% $196,877  $(228,775)

    Hedge Modeled Interest   Notional Period Rate Sensitivity (1) Hedge Balance End (-50 BPS)  (+50 BPS) 3-Month SOFR Futures $(390,000)Jan-27 $(1,609) $1,609 10-Year Treasury Future(2)  (358,600)Aug-33  (11,208)  10,816 10-Year Ultra Treasury Future(3)  (60,000)May-36  (2,541)  2,438 ERIS SOFR Swap Futures  (10,000)Sep-31  (172)  168 Swaps  (8,114,200)Apr-31  (164,719)  159,233 Swaptions  (1,000,000)Dec-31  (5,815)  5,903 TBA Short  (344,900)Sep-26  (7,156)  8,291 Hedge Total $(10,277,700)  $(193,220) $188,458 Rate Shock Grand Total      $3,657  $(40,317)

(1) Modeled results from Citigroup Global Markets Inc. Yield Book. Interest rate shocks assume instantaneous parallel shifts and horizon prices are calculated assuming constant SOFR option-adjusted spreads. These results are for illustrative purposes only and actual results may differ materially.(2) Ten-year Treasury futures contracts were valued at prices of $107.66 at August 31, 2026. The market value of the short position was $386.1 million.(3) Ten-year Ultra Treasury futures contracts were valued at prices of $109.42 at August 31, 2026. The market value of the short position was $65.7 million.

RMBS Assets by Agency        ($ in thousands)              Percentage   Fair  of Asset Category Value  Portfolio As of August 31, 2026        Fannie Mae $5,815,095   52.1%Freddie Mac  5,339,359   47.9%Total Mortgage Assets $11,154,454   100.0%

Investment Company Act of 1940 Whole Pool Test ($ in thousands)              Percentage   Fair  of Asset Category Value  Portfolio As of August 31, 2026        Non-Whole Pool Assets $441,316   4.0%Whole Pool Assets  10,713,138   96.0%Total Mortgage Assets $11,154,454   100.0%

Borrowings By Counterparty                 ($ in thousands)                           Weighted  Weighted        % of  Average  Average    Total  Total  Repo  Maturity LongestAs of August 31, 2026 Borrowings  Debt  Rate  in Days MaturityStoneX Financial Inc. $484,749   4.5%  3.79%  20 9/23/2026Citigroup Global Markets Inc  471,155   4.4%  3.77%  16 9/21/2026Hidden Road Partners Civ US LLC  468,629   4.4%  3.76%  3 9/10/2026ABN AMRO Bank N.V.  461,948   4.3%  3.73%  3 9/4/2026ASL Capital Markets Inc.  458,821   4.3%  3.77%  18 9/21/2026Marex Capital Markets Inc.  456,508   4.3%  3.76%  28 9/28/2026J.P. Morgan Securities LLC  439,145   4.1%  3.76%  3 9/3/2026South Street Securities, LLC  435,275   4.1%  3.76%  20 11/13/2026The Bank of Nova Scotia  434,728   4.1%  3.76%  7 9/17/2026Cantor Fitzgerald & Co  410,786   3.8%  3.78%  8 9/8/2026DV Securities, LLC Repo  403,125   3.8%  3.77%  9 9/17/2026Banco Santander SA  402,148   3.8%  3.85%  43 10/13/2026Daiwa Securities America Inc.  399,315   3.7%  3.80%  20 9/23/2026Clear Street LLC  395,150   3.7%  3.76%  17 9/17/2026Goldman, Sachs & Co  381,512   3.6%  3.77%  3 9/3/2026Wells Fargo Securities, LLC  381,664   3.6%  3.79%  24 9/24/2026ING Financial Markets LLC  348,001   3.3%  3.76%  14 9/14/2026RBC Capital Markets, LLC  339,728   3.2%  3.79%  4 9/25/2026TD Securities (USA) LLC  319,857   3.0%  3.76%  8 9/8/2026Bank of Montreal  311,693   2.9%  3.78%  4 9/4/2026Brean Capital, LLC  289,180   2.7%  3.77%  17 9/17/2026Mirae Asset Securities (USA) Inc.  286,065   2.7%  3.77%  21 9/21/2026Merrill Lynch, Pierce, Fenner & Smith  277,178   2.6%  3.78%  27 9/28/2026MUFG Securities Canada, Ltd.  260,880   2.4%  3.77%  6 9/17/2026Morgan Stanley & Co. LLC  253,685   2.4%  3.79%  30 9/30/2026Mitsubishi UFJ Securities (USA), Inc.  233,252   2.2%  3.78%  17 9/17/2026Nomura Securities International, Inc.  204,675   1.9%  3.75%  14 9/14/2026Natixis, New York Branch  183,052   1.7%  3.77%  17 9/17/2026Mizuho Securities USA LLC  176,064   1.6%  3.79%  1 9/1/2026BNP Paribas Securities Corp.  154,574   1.4%  3.76%  4 9/4/2026Mesirow Financial, Inc.  129,989   1.2%  3.76%  17 9/17/2026Lucid Prime Fund, LLC  29,633   0.3%  3.76%  10 9/10/2026Canyon Partners, LLC  22,823   0.2%  3.73%  14 9/14/2026Total Borrowings $10,704,987   100.0%  3.77%  14 11/13/2026

Contact:

Orchid Island Capital, Inc.
Robert E. Cauley
3305 Flamingo Drive, Vero Beach, Florida 32963
Telephone: (772) 231-1400