Opérations des initiés

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $2.90 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $2.90 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $2.87 per share, for the payment of income taxes.
• F2 Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $2.87 per share, for the payment of income taxes.
• F2 Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $2.86 per share, for the payment of income taxes.
• F2 Effective at 11:59pm ET on June 4, 2026, Smith Micro Software, Inc. effected a 1:5 reverse stock split. Shareholdings reported herein reflect the effects of the reverse stock split.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $0.8685 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $0.6225 per share, for the payment of income taxes.

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3

• F1 Shares withheld, at an average vesting price of $0.6225 per share, for the payment of income taxes.

Open market or private sale of non-derivative or derivative security

• F3 Shares sold for tax planning purposes in a series of transactions with a price range of $0.5800 to $0.5935, inclusive, with a weighted average price of $0.5813. The reporting person undertakes to provide to Smith Micro Software, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Open market or private sale of non-derivative or derivative security

• F2 Shares sold for tax planning purposes in a series of transactions with a price range of $0.6000 to $0.6324, inclusive, with a weighted average price of $0.6028. The reporting person undertakes to provide to Smith Micro Software, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Grant, award or other acquisition pursuant to Rule 16b-3(d)

• F1 Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the fourth quarter of 2025.

Grant, award or other acquisition pursuant to Rule 16b-3(d)

• F1 Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the fourth quarter of 2025.