DYAI · Dyadic International Inc

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Annual grant of restricted stock units.

The restricted stock units will be settled 100% in Issuer's common stock when vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors.

Represents common stock issued upon the vesting of RSUs. The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2025. The RSUs vested in full upon grant.

Represents common stock issued upon the vesting of RSUs. The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2025. The RSUs vested in full upon grant.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units previously issued and vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors, were settled 100% in Issuer's common stock.

Annual grant of stock options.

This option vests in four equal installments beginning on the first anniversary of the date of grant, subject to continued service to the Issuer.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units previously issued and vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors, were settled 100% in Issuer's common stock.

Annual grant of stock options.

Annual grant of stock options.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Annual grant of restricted stock units.

The restricted stock units will be settled 100% in Issuer's common stock when vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors.

Represents common stock issued upon the vesting of RSUs. The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2025. The RSUs vested in full upon grant.

Annual grant of stock options.

This option vests in four equal installments beginning on the first anniversary of the date of grant, subject to continued service to the Issuer.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units previously issued and vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors, were settled 100% in Issuer's common stock.

Annual grant of stock options.

This option vests in four equal installments beginning on the first anniversary of the date of grant, subject to continued service to the Issuer.

Annual grant of stock options.

Represents common stock issued upon the vesting of RSUs. The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2025. The RSUs vested in full upon grant.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Annual grant of stock options.

This option vests in one year, subject to continued service to the Issuer.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Annual grant of restricted stock units.

The restricted stock units will be settled 100% in Issuer's common stock when vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors.

On October 4, 2024, the Note was amended to reduce the conversion price to $1.40 per share, such that the Note, as amended, was convertible into an additional 155,627 shares of the issuer's common stock, for total of 714,286 shares of the issuer's common stock.

On December 23, 2025, the Note, as amended, was amended again to reduce the conversion price to $1.05 per share, such that the Note, as amended, was convertible into an additional 238,095 shares of the issuer's common stock, for a total of 952,381 shares of the issuer's common stock.

On December 23, 2025, Dyadic International, Inc. (the "Company") entered into an amendment (the "Amendment") to the Form of Senior Secured Convertible Promissory Note due March 8, 2027 (the "Convertible Notes"). Following the Amendment, the Convertible Notes will mature December 31, 2027 and their conversion price is $1.05. The Amendment was approved by the Company's board of directors, and did not involve the exchange of consideration between the Company and the holders.

On December 23, 2025, Dyadic International, Inc. (the "Company") entered into an amendment (the "Amendment") to the Form of Senior Secured Convertible Promissory Note due March 8, 2027 (the "Convertible Notes"). Following the Amendment, the Convertible Notes will mature December 31, 2027 and their conversion price is $1.05. The Amendment was approved by the Company's board of directors, and did not involve the exchange of consideration between the Company and the holders.

Represents a purchase of $1,000,000 principal amount of Senior Secured Convertible Promissory Note due March 8, 2027 (the "Convertible Notes.") The Convertible Notes are senior, secured obligations of the Issuer and its affiliates, and interest is payable quarterly in cash on the principal amount equal to 8% per annum. The Convertible Notes will mature on March 8, 2027, unless earlier converted, repurchased, or redeemed in accordance with their terms. The Convertible Notes have a conversion price of $1.40 per share of common stock.

Purchased by Mr. Hazelton from the underwriter as part of the Issuer's public offering (the "Offering") of its common stock at the public offering price, pursuant to the Issuer's effective shelf registration statement on Form S-3 (File No. 333-273829). The Offering closed on August 1, 2025.

The restricted stock units vested upon retirement from service as a member of the board of directors.

The restricted stock units were forfeited upon retirement from service as a member of the board of directors.

The restricted stock units vested upon retirement from service as a member of the board of directors.

The restricted stock units vested upon retirement from service as a member of the board of directors.

The restricted stock units vested upon retirement from service as a member of the board of directors.

Granted as part of additional compensation for Mr. Hazelton's new role as President.

This option vests in four equal installments beginning on the first anniversary of the date of grant.

The reporting person exercised a total of 30,000 stock options and paid the exercise price through the withholding by the Issuer of 27,517 shares of common stock underlying the stock options (equal to the value of the exercise price), based on a market price of $1.45, which was the closing price of the Issuer's common stock on March 5, 2025.

The reporting person exercised a total of 30,000 stock options and paid the exercise price through the withholding by the Issuer of 27,517 shares of common stock underlying the stock options (equal to the value of the exercise price), based on a market price of $1.45, which was the closing price of the Issuer's common stock on March 5, 2025.

The reporting person exercised a total of 30,000 stock options and paid the exercise price through the withholding by the Issuer of 27,517 shares of common stock underlying the stock options (equal to the value of the exercise price), based on a market price of $1.45, which was the closing price of the Issuer's common stock on March 5, 2025.

The reporting person exercised a total of 30,000 stock options and paid the exercise price through the withholding by the Issuer of 27,517 shares of common stock underlying the stock options (equal to the value of the exercise price), based on a market price of $1.45, which was the closing price of the Issuer's common stock on March 5, 2025.

The reporting person exercised a total of 30,000 stock options and paid the exercise price through the withholding by the Issuer of 27,517 shares of common stock underlying the stock options (equal to the value of the exercise price), based on a market price of $1.45, which was the closing price of the Issuer's common stock on March 5, 2025.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Annual grant of stock options.

This option vests in four equal installments beginning on the first anniversary of the date of grant.

Annual grant of stock options.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2024. The RSUs vested in full upon grant.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units previously issued and vested upon one year of service were settled 100% in Issuer's common stock.