Celltrion to Acquire KRW 100 Billion Worth of Treasury Shares for Price Stabilization and Shareholder Value Enhancement

Celltrion decided on May 21, 2026, through a board resolution, to acquire 557,414 treasury shares worth approximately KRW 100 billion (KRW 100,000,071,600) via open market purchases
Acquisition period is from June 8 to August 21, 2026, with NH Investment & Securities as the entrusted broker
Purpose is stock price stabilization and shareholder value enhancement; daily purchase order limit is 161,074 shares
Acquisition is within the distributable profit limit as of the end of the previous fiscal year, with a total treasury share acquisition limit of approximately KRW 4.59 trillion
On May 6, 2026, the board resolved to cancel 488,977 treasury shares (registration expected on May 21, 2026), complementing this buyback as part of shareholder return policy