X0508 4 2024-12-23 0001623526 Stoke Therapeutics, Inc. STOK 0001869333 Skorpios Trust 195 ARCH. MAKARIOS III AVE. NEOCLEOUS HOUSE LIMASSOL G4 3030 CYPRUS 0 0 1 0 0001869057 Blue Horizon Enterprise Ltd 195 ARCH. MAKARIOS III AVE. NEOCLEOUS HOUSE LIMASSOL G4 3030 CYPRUS 0 0 1 0 0001869027 Ezbon International Ltd 195 ARCH. MAKARIOS III AVE. NEOCLEOUS HOUSE LIMASSOL G4 3030 CYPRUS 0 0 1 0 0001869331 Montrago Trustees Ltd 195 ARCH. MAKARIOS III AVE NEOCLEOUS HOUSE LIMASSOL G4 3030 CYPRUS 0 0 1 0 0 Common Stock 2024-12-23 4 S 0 2000000 11.50 D 6906181 I See Footnote Blue Horizon Enterprise Ltd. ("Blue Horizon") is the direct owner of 2,967,621 shares of the issuer's common stock and Ezbon International Limited ("Ezbon") is the direct owner of 3,938,560 shares of the issuer's common stock. Skorpios Trust ("Skorpios") is the sole owner of each of Blue Horizon and Ezbon. Montrago Trustees Limited ("Montrago Trustees") is the corporate trustee of Skorpios Trust. Each of Blue Horizon and Ezbon disclaim beneficial ownership of the shares of the issuer's common stock held by the other, and each of Skorpios Trust and Montrago Trustees disclaim beneficial ownership of the issuer's securities except to the extent of their pecuniary interest therein. /s/ Androulla Papadopoulou, Authorized Signatory on behalf of Skorpios Trust 2024-12-27 /s/ Eleni Constantinou Kyriacou, Authorized Signatory on behalf of Blue Horizon Enterprises Ltd. 2024-12-27 /s/ Eleni Constantinou Kyriacou, Authorized Signatory on behalf of Ezbon International Limited 2024-12-27 /s/ Androulla Papadopoulou, Authorized Signatory on behalf of Montrago Trustees Limited 2024-12-27