ARR · Armour Residential REIT, Inc.

On July 1, 2026, the reporting person received 945 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 945 shares of stock represent the reporting person's election of stock compensation for the past quarter.

On July 1, 2026, the reporting person received 945 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 945 shares of stock represent the reporting person's election of stock compensation for the past quarter.

Represents shares owned indirectly through the Stewart J. Paperin Family Trust. Mr. Paperin has a pecuniary interest in and investment control over the shares held by the Trust.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On June 16, 2026, the reporting person was granted an aggregate of 75,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan (the "Plan") pursuant to the time-based vesting schedule described as follows: 3,750 phantom shares will vest on each of August 20, November 20, February 20, and May 20, through May 20, 2031, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On June 16, 2026, the reporting person was granted an aggregate of 150,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan (the "Plan") pursuant to the time-based vesting schedule described as follows: 7,500 phantom shares will vest on each of August 20, November 20, February 20, and May 20, through May 20, 2031, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On June 16, 2026, the reporting person was granted an aggregate of 50,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan (the "Plan") pursuant to the time-based vesting schedule described as follows: 2,500 phantom shares will vest on each of August 20, November 20, February 20, and May 20, through May 20, 2031, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On June 16, 2026, the reporting person was granted an aggregate of 50,000 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan (the "Plan") pursuant to the time-based vesting schedule described as follows: 2,500 phantom shares will vest on each of August 20, November 20, February 20, and May 20, through May 20, 2031, at which time all phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

On May 21, 2026, the reporting person elected to convert 2,679 of the 4,000 shares of vested phantom stock into 2,679 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,321 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 4,000 shares are part of, and relate to phantom stock vesting over a six year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021, phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023, phantom stock vesting over a three year period which was reported on a Form 4 report filed by the reporting person on May 16, 2024 and phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

On May 21, 2026, the reporting person elected to convert 2,028 of the 3,380 shares of vested phantom stock into 2,028 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,352 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 3,380 shares are part of, and relate to phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021 and phantom stock vesting over a seven-year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023.

On May 21, 2026, the reporting person elected to convert 1,140 shares out of 1,900 shares of vested phantom stock into 1,140 shares of ARMOUR common stock. The person elected to convert the remaining 760 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

Includes 5,019 shares of common stock (25,095 shares prior to ARMOUR's one-for-five reverse stock split effective September 29, 2023) acquired in multiple transactions from February 2019 to April 2023 pursuant to the issuer's dividend reinvestment plan, which were not previously reported.

On May 21, 2026, the reporting person elected to convert 1,111 of the 1,500 shares of vested phantom stock into 1,111 shares of ARMOUR common stock. The reporting person elected to convert the remaining 389 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026, the reporting person elected to convert 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-a half year periods, which was reported on Form 4 report filed by the reporting person on January 14, 2021.

Represents shares owned indirectly through DM Staton Family Limited Partnership. The reporting person is a general partner and a limited partner of DM Staton Family Limited Partnership. The reporting person has a pecuniary interest in the shares held by DM Staton Family Limited Partnership.

On May 21, 2026, the reporting person elected to convert 480 of the 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-half year periods, which was reported on Form 4 reports filed by the reporting person on January 14, 2021.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

On May 21, 2026, the reporting person elected to convert 2,028 of the 3,380 shares of vested phantom stock into 2,028 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,352 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 3,380 shares are part of, and relate to phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021 and phantom stock vesting over a seven-year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023 , December 18, 2025 and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

On May 21, 2026, the reporting person elected to convert 1,140 shares out of 1,900 shares of vested phantom stock into 1,140 shares of ARMOUR common stock. The person elected to convert the remaining 760 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

Includes 5,019 shares of common stock (25,095 shares prior to ARMOUR's one-for-five reverse stock split effective September 29, 2023) acquired in multiple transactions from February 2019 to April 2023 pursuant to the issuer's dividend reinvestment plan, which were not previously reported.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,219 of the 1,500 shares of vested phantom stock into 1,219 shares of ARMOUR common stock. The reporting person elected to convert the remaining 281 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-a half year periods, which was reported on Form 4 report filed by the reporting person on January 14, 2021.

On May 21, 2026, the reporting person elected to convert 1,219 of the 1,500 shares of vested phantom stock into 1,219 shares of ARMOUR common stock. The reporting person elected to convert the remaining 281 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

60.539 share are held in reporting person's self-directed rollover IRA account. 7.695 of which were acquired through dividend reinvestment since March 28, 2024.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

Represents shares owned indirectly through the Stewart J. Paperin Family Trust. Mr. Paperin has a pecuniary interest in and investment control over the shares held by the Trust.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 2,679 of the 4,000 shares of vested phantom stock into 2,679 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,321 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 4,000 shares are part of, and relate to phantom stock vesting over a six year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021, phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023, phantom stock vesting over a three year period which was reported on a Form 4 report filed by the reporting person on May 16, 2024 and phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,111 of the 1,500 shares of vested phantom stock into 1,111 shares of ARMOUR common stock. The reporting person elected to convert the remaining 389 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026, , the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

On May 21, 2026, the reporting person elected to convert 1,111 of the 1,500 shares of vested phantom stock into 1,111 shares of ARMOUR common stock. The reporting person elected to convert the remaining 389 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026, the reporting person elected to convert 2,679 of the 4,000 shares of vested phantom stock into 2,679 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,321 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 4,000 shares are part of, and relate to phantom stock vesting over a six year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021, phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023, phantom stock vesting over a three year period which was reported on a Form 4 report filed by the reporting person on May 16, 2024 and phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

On May 21, 2026, the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900 shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023 , December 18, 2025 and May 21, 2026.

Represents shares owned indirectly through DM Staton Family Limited Partnership. The reporting person is a general partner and a limited partner of DM Staton Family Limited Partnership. The reporting person has a pecuniary interest in the shares held by DM Staton Family Limited Partnership.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 480 of the 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-half year periods, which was reported on Form 4 reports filed by the reporting person on January 14, 2021.

On May 21, 2026, the reporting person elected to convert 1,219 of the 1,500 shares of vested phantom stock into 1,219 shares of ARMOUR common stock. The reporting person elected to convert the remaining 281 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,500 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.

60.539 share are held in reporting person's self-directed rollover IRA account. 7.695 of which were acquired through dividend reinvestment since March 28, 2024.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026 , the reporting person elected to convert 950 of the 1,900 shares of vested phantom stock into 950 shares of ARMOUR common stock. The reporting person elected to convert the remaining 950 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025, and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 2,028 of the 3,380 shares of vested phantom stock into 2,028 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,352 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 3,380 shares are part of, and relate to phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021 and phantom stock vesting over a seven-year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, , the reporting person elected to convert 1,900 shares of vested phantom stock into 1,900shares of ARMOUR common stock. The 1,900 shares are part of, and relate to, phantom stock vesting over five-year periods, which was reported on Form 4 reports filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On May 21, 2026, the reporting person elected to convert 1,140 shares out of 1,900 shares of vested phantom stock into 1,140 shares of ARMOUR common stock. The person elected to convert the remaining 760 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 1,900 shares are part of, and relate to, phantom stock vesting over a five-year period, which was reported on a Form 4 filed by the reporting person on February 14, 2023, December 18, 2025 and May 21, 2026.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20, and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

The reporting person was granted an aggregate of 17,140 phantom shares under ARMOUR Residential REIT, Inc.'s ("ARMOUR") Fourth Amended and Restated 2009 Stock Incentive Plan pursuant to the time-based vesting schedule as follows. The phantom shares will vest over a five-year period as follows: 857 phantom shares shall vest beginning on May 20, 2026, with an additional 857 phantom shares vesting on each following August 20, November 20, February 20 and May 20, through February 20, 2031, at which time all such shares of phantom stock shall have vested. Upon vesting, the reporting person will be entitled to an equal number of shares of ARMOUR common stock within 30 days.

The reporting person's unvested phantom stock will fully and automatically vest upon the reporting person's death, disability, and in the event of a change in control of ARMOUR. Upon termination of the reporting person's service with ARMOUR, all unvested phantom stock shall be forfeited by the reporting person. In the event of a resignation or retirement, provided the sum of the reporting person's age and years of service is equal to or greater than 70, the reporting person will retain his or her unvested stock awards which will remain subject to the vesting schedule set forth in this report, subject to satisfactory continuing fulfillment of certain conditions and related tax consequences and risks specified in the reporting person's grant agreement.

The reporting person also has the right to elect to have withholding taxes or a portion thereof, as the case may be, satisfied by reducing the number of shares of common stock to be issued to the reporting person by some or all of such shares. With respect to each phantom share, the reporting person will receive a cash payment in an amount equal to the cash dividend distributions paid in the ordinary course on a share of ARMOUR common stock. The reporting person also has the right to elect in lieu of the cash dividend payment a number of shares of common stock equal to the dividend payment payable divided by the fair market value of a share of ARMOUR common stock on the date of the dividend payment.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On April 1, 2026, the reporting person received 989 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 989 shares of stock represent the reporting person's election of stock compensation for the past quarter.

On April 1, 2026, the reporting person received 989 shares of ARMOUR common stock pursuant to quarterly compensation paid for the reporting person's service on ARMOUR's Board of Directors. The reporting person may elect to receive $16,500 of the reporting person's total quarterly compensation (or $66,000 on an annual basis) paid in common stock, cash, or a combination of stock and cash at the option of the director. The 989 shares of stock represent the reporting person's election of stock compensation for the past quarter.

Represents shares owned indirectly through the Stewart J. Paperin Family Trust. Mr. Paperin has a pecuniary interest in and investment control over the shares held by the Trust.

On February 24, 2026, the reporting person elected to convert 480 shares of vested phantom stock into 480 shares of ARMOUR common stock. The 480 shares are part of, and relate to, phantom stock vesting over a six-and-a half year periods, which was reported on Form 4 report filed by the reporting person on January 14, 2021.

Represents shares owned indirectly through DM Staton Family Limited Partnership. The reporting person is a general partner and a limited partner of DM Staton Family Limited Partnership. The reporting person has a pecuniary interest in the shares held by DM Staton Family Limited Partnership.

Each unit of phantom stock is the economic equivalent of one share of ARMOUR common stock.

On February 24, 2026, the reporting person elected to convert 2,511 of the 4,000 shares of vested phantom stock into 2,511 shares of ARMOUR common stock. The reporting person elected to convert the remaining 1,489 shares of vested phantom stock into cash solely to pay income taxes on the vested stock. The 4,000 shares are part of, and relate to phantom stock vesting over a six year period, which was reported on a Form 4 report filed by the reporting person on January 14, 2021, phantom stock vesting over a six-and-a-half year period, which was reported on a Form 4 report filed by the reporting person on February 16, 2023, phantom stock vesting over a three year period which was reported on a Form 4 report filed by the reporting person on May 16, 2024 and phantom stock vesting over a five-year period, which was reported on a Form 4 report filed by the reporting person on April 30, 2025.