Indivior to Report Fourth Quarter and Full-Year 2025 Financial Results and Host Webcast on February 26th

Richmond, VA, January 28, 2026 – Indivior Pharmaceuticals, Inc. (Nasdaq: INDV) today announced that it will report its fourth quarter and full-year 2025 financial results on Thursday, February 26, 2026, at 7:00 a.m. U.S. EST. Following the release of the financial results, Joe Ciaffoni, Chief Executive Officer, and other members of Indivior’s leadership team will host a presentation via live webcast at 8:00 a.m. U.S. EST.

Access to the Live Webcast Presentation:

The webcast event and materials can be accessed on the “Investors” section of the company’s website at www.indivior.com before the event begins.

Live webcast link: https://edge.media-server.com/mmc/p/f78ufsat

Participants may access the presentation telephonically by registering with the following link:

https://register-conf.media-server.com/register/BI44fe43e28e334eb58b41edf49f6f80ce

(Registrants will have an option to be called back directly immediately prior to the call or be provided a call-in # with a unique pin code following their registration)

A replay of the presentation will be available at www.indivior.com.

About Indivior

As the leader in long-acting injectable treatments for opioid use disorder (OUD), Indivior is singularly focused on delivering evidence-based treatment and advancing understanding of OUD as a chronic but treatable brain disease. For more than 25 years, we have revolutionized the science of addiction medicine — developing treatments that help people move toward long-term recovery with independence and dignity. Building on this heritage, we are ushering in a new era, renewing our commitment to individuals living with OUD and carrying forward what matters most: compassion, integrity, and science. Together – with science, people living with OUD, public health champions, and communities, we are powering recovery and renewing hope. Visit www.indivior.com to learn more. Connect with Indivior on LinkedIn by visiting www.linkedin.com/company/Indivior.