Share Buyback Decision and Cancellation Plan (Corrected Daily Purchase Limit to 24,022 Shares)

Hansol Chemical decided to acquire its own shares via board resolution on May 18, 2026, and plans to cancel them after completion.
Corrected the daily purchase order limit to 24,022 shares (revised from 23,536 due to calculation period error).
Acquisition amount is based on closing price on May 15, 2026 (day before board resolution) and subject to change with stock price movements.
Specific cancellation timing will be determined via a future board resolution and disclosed thereafter.

Filing: [Correction of Description] Material Change Report (Decision to Acquire Treasury Shares)
Company: Hansol Chemical (014680)
Submission: Hansol Chemical Co., Ltd
Receipt: 05-18-2026