• Osisko Development priced USD 275 million of 4.125% convertible senior notes due 2031 in a private placement, including USD 225 million sold to qualified institutional buyers and USD 50 million bought by affiliate Double Zero Capital.
• The notes were priced with a 25% conversion premium, implying an initial conversion price of about USD 3.68 per share.
• Net proceeds were estimated at about USD 215.9 million from the offering and about USD 50 million from the affiliate placement, with about USD 36.9 million earmarked for cash-settled capped calls.
• Remaining proceeds targeted Cariboo Gold Project development and general corporate purposes.
• Settlement was scheduled for May 26 for the main offering and May 29 for the affiliate placement.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Osisko Development Corp. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202605210113PRIMZONEFULLFEED9724498) on May 21, 2026, and is solely responsible for the information contained therein.