Phio Pharmaceuticals Announces Participation in the Sidoti Micro-Cap Virtual Investor Conference

Registration Link for Presentation to take place Thursday, May 22, 2025 at 10:00 AM ET

Marlborough, Massachusetts--(Newsfile Corp. - May 19, 2025) - Phio Pharmaceuticals Corp. (NASDAQ: PHIO) is a clinical-stage siRNA biopharmaceutical company developing therapeutics using its proprietary INTASYL^® gene silencing technology to eliminate cancer. Phio announced today that Mr. Robert Bitterman, CEO and Chairman of the Board, Phio Pharmaceuticals will present an update on the company's proprietary INTASYL siRNA technology and progress on the on-going clinical trial with lead compound PH-762 for treatment of skin cancers. Mr. Bitterman will also host one-on-one meetings with investors at the conference, taking place on May 21-22, 2025.

Phio's presentation will begin at 10 AM ET on May 22, 2025 and can be accessed live here:
   WEBCAST LINK FOR PHIO'S PRESENTATION: Webinar Registration - Zoom

Phio's one-on-one meetings with investors will take place on Wednesday and Thursday, May 21-22, 2025 and can be accessed here:
  REGISTRATION LINK FOR PRESENTATION OR ONE-ON-ONE MEETINGS: www.sidoti.com/events.
  Registration is free and you don't need to be a Sidoti client.

"All stakeholders, investors, and other individual followers are invited to join this presentation and register for one-on-one meetings to learn more about Phio Pharmaceuticals in our continuing pursuit of innovative pathways towards a cancer free future using our INTASYL technology," stated Robert Bitterman, CEO and Chairman of Phio Pharmaceuticals.

About Sidoti Events, LLC ("Events") and Sidoti & Company, LLC ("Sidoti")

In 2023, Sidoti & Company, LLC , Sidoti & Company, LLC (www.sidoti.com) formed an affiliate company, Sidoti Events, LLC in order to focus exclusively on its rapidly growing conference business and to more directly serve the needs of presenters and attendees. The relationship allows Events to draw on the 25 years of experience Sidoti has as a premier provider of independent securities research focused specifically on small and microcap companies and the institutions that invest in their securities, with most of its coverage in the $200 million-$5 billion market cap range. Sidoti's coverage universe comprises approximately 160 equities, of which 50 percent participate in the firm's rapidly growing Company Sponsored Research ("CSR") program. Events is a leading provider of corporate access through the eight investor conferences it hosts each year. By virtue of its direct ties to Sidoti, Events benefits from Sidoti's small- and microcap-focused nationwide sales force, which has connections with approximately 2,500 institutional relationships in North America. This enables Events to provide multiple forums for meaningful interaction for small and microcap issuers and investors specifically interested in companies in the sector.