LIQT · Liqtech International Inc

On June 8, 2026, the Issuer cancelled $3,000,000 in principal amount of promissory notes in exchange for the issuance to the Funds of 3,000,000 shares of Common Stock.

This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

On June 5, 2026, 21 April Fund, Ltd. and 21 April Fund, LP (the "Funds") agreed to buy 700,000 shares of Common Stock at a price of $1.00 per share in the Issuer's underwritten public offering pursuant to the Registration Statement on Form S-1 (File No. 333-296258) filed with the Securities and Exchange Commission on May 27, 2026, as amended.

This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

Represents shares withheld by the Issuer in connection with a net settlement of the January 3, 2026 vesting of restricted stock units. Shares were withheld for the payment of withholding taxes.

A Form 4 filed on January 7, 2025 reported the withholding for taxes from an RSU vesting of 28,394 shares, however 12,835 of those shares were inadvertently not reflected in the balance in Column 5 on that Form 4. The withholding of those shares is now reflected in this balance.

Represents shares withheld by the Issuer in connection with a net settlement of the RSUs initial vesting. Shares were withheld for the payment of withholding taxes.

Represents shares of Common Stock underlying restricted stock unit awards ("RSUs") from the Issuer. The RSUs will vest ratably on January 3, 2026, January 3, 2027 and January 3, 2028.

Shares withheld to satisfy the tax obligations in connection with the September 12, 2025 vesting of restricted stock units.

On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

Represents shares of Common Stock underlying restricted stock unit awards ("RSUs") from the Issuer. The RSUs will vest on January 3, 2026.

Represents shares of Common Stock underlying restricted stock unit awards ("RSUs") from the Issuer. The RSUs will vest on January 3, 2026.

Represents shares of Common Stock underlying a restricted stock awards ("RSUs"). The RSUs will vest on January 3, 2026.

Represents shares of Common Stock underlying restricted stock unit awards ("RSUs") from the Issuer. The RSUs will vest on January 3, 2026.

Shares withheld to satisfy the tax obligations in connection with the January 3, 2025 vesting of restricted stock units.

Represents shares of Common Stock underlying a restricted stock unit award ("RSU") received from the Issuer. The RSU will vest ratably on January 1, 2025, January 1, 2026 and January 1, 2027.

Represents shares of Common Stock underlying a restricted stock unit award ("RSU") from the Issuer. The RSU will vest on January 3, 2025.

Represents the number of shares of Common Stock withheld by LiqTech International, Inc. to cover the reporting person's tax withholding obligation upon the vesting of restricted stock units.

Represents shares of Common Stock underlying a restricted stock unit award ("RSU") from the Issuer. The RSU will vest on January 3, 2025.

Represents shares of Common Stock underlying a restricted stock unit award ("RSU") from the Issuer. The RSU will vest on January 3, 2025.

Represents the number of shares of Common Stock withheld by LiqTech International, Inc. to cover the reporting person's tax withholding obligation upon the vesting of restricted stock units.

Represents shares of Common Stock underlying a restricted stock award ("RSU"). The RSU will vest on January 3, 2025.

Represents shares of Common Stock underlying a restricted stock unit award ("RSUs"). The RSUs will vest ratably on January 3, 2025, January 3, 2026 and January 3, 2027.

Represents shares of Common Stock underlying a restricted stock unit award ("RSUs") received from the Issuer. The RSUs will vest ratably on January 3, 2025, January 3, 2026 and January 3, 2027.

Represents shares of Common Stock underlying a restricted stock unit award ("RSUs"). The RSUs will vest one year from the grant date.

Represents shares of Common Stock underlying a restricted stock unit award ("RSU") granted as compensation for the reporting person's service as a director under the Issuer's 2022 Equity Incentive Plan. The RSU will vest on January 3, 2024.

Explanation of Responses: (1) Represents shares of Common Stock underlying a restricted stock unit award ("RSUs") granted under the Issuer's 2022 Share Incentive Plan. The RSUs will vest ratably on January 3, 2024, January 3, 2025 and January 3, 2026.

On January 5, 2023, the reporting person filed a Form 4 which inadvertently reported that the reporting person received a restricted stock unit award ("RSU") granted under the Issuer's 2013 Share Incentive Plan. In fact, the RSU was granted under the Issuer's 2022 Equity Incentive Plan.

Representing shares of Common Stock underlying a RSU. The RSU will vest on January 3, 2024.

Represents shares of Common Stock underlying a restricted stock unit award ("RSUs") granted under the Issuer's 2022 Share Incentive Plan. The RSUs will vest ratably on January 3, 2024, January 3, 2025 and January 3, 2026.

On January 5, 2023, the reporting person filed a Form 4 which inadvertently reported that the reporting person received a restricted stock unit award ("RSU") granted under the Issuer's 2013 Share Incentive Plan. In fact, the RSU was granted under the Issuer's 2022 Equity Incentive Plan.

Representing shares of Common Stock underlying a RSU. The RSU will vest on January 3, 2024.

Represents compensation received for service as Interim Chief Executive Officer from March 17, 2022 through September 30, 2022.

Represents compensation received for performing CEO transition services from October 1, 2022 through November 11, 2022.

Represents shares of Common Stock underlying a restricted stock unit award ("RSUs") granted under the Issuer's 2013 Share Incentive Plan. The RSUs will vest ratably on September 12, 2023, September 12, 2024 and September 12, 2025.