CVI Investments, Inc., a Cayman Islands-based entity, has reported holding 109,298 shares of Phio Pharmaceuticals Corp., representing approximately 0.3% of the company's outstanding common stock as of December 19, 2024.Heights Capital Management, Inc., serving as the investment manager to CVI Investments, exercises voting and dispositive power over these shares. The shares were not acquired for the purpose of changing or influencing control of the issuer. The total outstanding shares of Phio Pharmaceuticals were 1,492,411 following their recent offering, as indicated in the Prospectus Supplement dated December 20, 2024.

CVI Investments, Inc., a Cayman Islands-based entity, has reported holding 109,298 shares of Phio Pharmaceuticals Corp., representing approximately 0.3% of the company's outstanding common stock as of December 19, 2024.Heights Capital Management, Inc., serving as the investment manager to CVI Investments, exercises voting and dispositive power over these shares. The shares were not acquired for the purpose of changing or influencing control of the issuer. The total outstanding shares of Phio Pharmaceuticals were 1,492,411 following their recent offering, as indicated in the Prospectus Supplement dated December 20, 2024.