X0508 4 2022-08-05 0001417663 SANUWAVE Health, Inc. SNWV 0002012527 Miller Ian D. 11495 VALLEY VIEW ROAD EDEN PRAIRIE MN 55344 1 0 Common Stock 2023-08-05 4 A 0 8050 15 A 26509 D Common Stock 2024-05-09 4 A 0 3833 15 A 30342 D Common Stock 2024-10-18 4 A 0 6300 A 36642 D Common Stock 2024-10-18 4 A 0 5950 A 42592 D Common Stock 2024-10-18 4 A 0 3000 A 45592 D Common Stock 2024-10-18 4 A 0 2834 A 48426 D Common Stock 890 I By Spouse Future Advance Convertible Promissory Note 15 2022-08-05 4 A 0 105000 105000 A 2022-08-05 2023-08-05 Common Stock 7000 105000 D Future Advance Convertible Promissory Note 15 2023-08-05 4 C 0 120750 0 D 2022-08-05 2023-08-05 Common Stock 8050 0 D Common Stock Purchase Warrant (right to buy) 15 2022-08-05 4 A 0 7000 A 2022-08-05 2027-08-05 Common Stock 7000 7000 D Common Stock Purchase Warrant (right to buy) 15 2024-10-18 4 D 0 7000 D 2022-08-05 2027-08-05 Common Stock 7000 0 D Common Stock Purchase Warrant (right to buy) 25.13 2022-08-05 4 A 0 7000 A 2022-08-05 2027-08-05 Common Stock 7000 7000 D Common Stock Purchase Warrant (right to buy) 25.13 2024-10-18 4 D 0 7000 D 2022-08-05 2027-08-05 Common Stock 7000 0 D Future Advance Convertible Promissory Note 15 2023-05-09 4 A 0 50000 50000 A 2023-05-09 2024-05-09 Common Stock 3333 50000 D Future Advance Convertible Promissory Note 15 2024-05-09 4 C 0 57500 0 D 2023-05-09 2024-05-09 Common Stock 3833 0 D Common Stock Purchase Warrant (right to buy) 15 2023-05-09 4 A 0 3333 A 2023-05-09 2028-05-09 Common Stock 3333 3333 D Common Stock Purchase Warrant (right to buy) 15 2024-10-18 4 D 0 3333 D 2023-05-09 2028-05-09 Common Stock 3333 0 D Common Stock Purchase Warrant (right to buy) 25.13 2023-05-09 4 A 0 3333 A 2023-05-09 2028-05-09 Common Stock 3333 3333 D Common Stock Purchase Warrant (right to buy) 25.13 2024-10-18 4 D 0 3333 D 2023-05-09 2028-05-09 Common Stock 3333 0 D Stock Option (right to buy) 14.20 2024-10-22 4 A 0 41333 0 A 2034-10-22 Common Stock 41333 41333 D Stock Option (right to buy) 22.76 2024-12-31 4 A 0 1754 0 A 2029-12-31 Common Stock 1754 43087 D Pursuant to the terms of the Future Advance Convertible Promissory Note issued by SANUWAVE Health, Inc. (the "Company") on August 5, 2022, all principal and accrued interest due as of the maturity date, August 5, 2023, was automatically converted into shares of common stock at a conversion price of $15.00 per share. Pursuant to the terms of the Future Advance Convertible Promissory Note issued by the Company on May 9, 2023, all principal and accrued interest due as of the maturity date, May 9, 2024, was automatically converted into shares of common stock at a conversion price of $15.00 per share. On October 18, 2024, effective upon the Company's 1-for-375 reverse stock split, the reporting person's warrants were exchanged for an aggregate of 18,084 shares of common stock pursuant to a letter agreement between the reporting person and the Company. On August 5, 2022, in exchange for $105,000 in cash, the reporting person acquired from the Company a Future Advance Convertible Promissory Note with a principal amount of $105,000 and a conversion price of $15.00 per share of common stock and two warrants (one exercisable for 7,000 shares of common stock at an exercise price of $15.00 per share and the other exercisable for 7,000 shares of common stock at an exercise price of approximately $25.13 per share). On May 9, 2023, in exchange for $50,000 in cash, the reporting person acquired from the Company a Future Advance Convertible Promissory Note with a principal amount of $50,000 and a conversion price of $15.00 per share of common stock and two warrants (one exercisable for 3,333 shares of common stock at an exercise price of $15.00 per share and the other exercisable for 3,333 shares of common stock at an exercise price of approximately $25.13 per share). Options will vest over a period of three years in 12 equal installments on each quarterly anniversary of the grant date. Options were fully vested at the grant date. All share amounts, exercise prices and conversion prices herein have been retroactively adjusted to reflect the 1-for-375 reverse stock split of the Company's common stock which occurred on October 18, 2024. /s/ Griffin D. Foster as Attorney-in-Fact for Ian D. Miller 2025-03-24