DUOT · Duos Technologies Group, Inc.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Ferry as compensation for his services as a Director of the Issuer.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

These shares were issued to Mr. James as compensation shares for his services as a Director of the Issuer.

Mr. Ferry resigned as Chief Executive Officer of the Issuer effective April 1, 2026. In connection with his resignation, Mr. Ferry and the Issuer amended his previous grant of shares under the 2021 Equity Incentive Plan and reduced the number of shares subject to the grant from 522,889 to 261,445. The shares continue to be subject to the same cliff vesting period. The shares will vest on December 31, 2027. Mr. Ferry remains a Director of the Issuer.

These shares were issued to Mr. James as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

The shares were granted pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and are subject to a three-year cliff vesting period. All of the shares vest on December 31, 2028.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. James as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

This amendment corrects the issue date and price of this 10,000 share grant.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

This amendment corrects the issue date and price of this 10,000 share grant.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

This amendment corrects the issue date and price of this 10,000 share grant.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. James as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

Effective September 15, 2025, Mr. King resigned as Chief Operating Officer. In connection with his resignation, Mr. King forfeited 112,500 of the 225,000 restricted shares of common stock he had been granted under the Issuer's 2021 Equity Incentive Plan, as amended. The remaining 112,500 restricted shares he had been granted remain subject to the same cliff vesting schedule and will vest on January 1, 2028.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

The reporting person is voluntarily reporting the acquisition of shares of the Issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

The price reported in Column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $7.75 to $7.90 per share. The reporting person undertakes to provide upon request by the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

These shares were granted to Mr. Ehrman pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and were subject to a 90-day cliff vesting period. All of the shares vested on July 8, 2025.

Mr. Erhman resigned as Chairman and a Director on April 9, 2025. As of that date, the vesting period of the 10,000 shares granted to him on April 1, 2025 was changed from one year from the date of grant to 90 days from April 9, 2025. All of these shares vested on July 8, 2025.

These shares were granted to Mr. Mavrommatis pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and are subject to a one-year cliff vesting period. All of the shares vest on April 1, 2026.

These shares were granted to Mr. Ehrman pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and are subject to a one-year cliff vesting period. All of the shares vest on April 1, 2026.

These shares were issued to Mr. Lonegro as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Nixon as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Mavrommatis as compensation shares for his services as a Director of the Issuer.

These shares were issued to Mr. Ehrman as compensation shares for his services as a Director of the Issuer.

The shares were granted pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and are subject to a three-year cliff vesting period. All of the shares vest on January 1, 2028.

The shares were granted pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and are subject to a three-year cliff vesting period. All of the shares vest on January 1, 2028.

The options were cancelled as of December 31, 2024.

These options were granted on November 10, 2021. The options vested in three equal installments on each of November 10, 2022, 2023 and 2024.

The options were cancelled as of December 31, 2024.

These options were granted on April 1, 2023. As of the date hereof, options to purchase 9,473 shares have vested and are exercisable. One-half of the remaining options would have vested and become exercisable on April 1, 2025 and the other half would have vested and become exercisable on April 1, 2026.

The reporting person is voluntarily reporting the acquisition of shares of the issuer's Common Stock pursuant to the Duos Technologies Group, Inc. Employee Stock Purchase Plan (the "ESPP"). The transaction is also exempt under Rule 16b-3(c).

In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Common Stock on the relevant measurement date.

The options were cancelled as of December 31, 2024.

The options were cancelled as of December 31, 2024.

These options were granted on April 1, 2020. Options to purchase 9,465 shares of Common Stock vested and became exercisable on January 1, 2021, and options to purchase 9,464 shares of Common Stock vested and became exercisable on January 1, 2022.