Kokusai Chemical Announces Material Financial and Business Information Due to Trading Alert Threshold on the Exchange

1. Date of Event: 115/06/12

2. Reason for Announcement: In accordance with instructions from the Taiwan Stock Exchange Corporation.

3. Financial and Business Information: Recent financial data of the company is as follows (Unit: NT$ million):

Item Most Recent Month Year-over-Year Most Recent Quarter Year-over-Year Last Four Quarters (Cumulative) (115 May) Change % (115 Q1) Change % (114 Q2 to 115 Q1) IFRS- IFRS- IFRS- Consolidated Preliminary Consolidated Reviewed Reviewed and Audited =========================================================================== Revenue 295 (7%) 890 (3%) 3,701 (million) Pre-tax Profit 35 212% 34 (49%) 240 (million) Net Profit Attributable to Owners of Parent 26 213% 22 (56%) 173 (million) EPS (NT$) 0.26 213% 0.22 (57%) 1.71

4. Whether there is any material information event under Article 4 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Public Disclosure of Material Information for Listed Securities': No

5. Whether there is any press conference event under Article 11 of the above procedures: No

6. Complete financial information is available on the Public Information Observation System. Access paths are as follows: (1) Recent revenue and profit/loss information: Basic Information > Highlights (2) Historical monthly revenue: Operations > Monthly Revenue > Monthly Revenue Information under IFRSs (3) Historical profit/loss (audited/reviewed figures): Financial Statements > Under IFRSs > Consolidated/Individual > Consolidated Income Statement (4) Historical profit/loss (voluntary preliminary announcements): Operations > Preliminary Earnings Announcements: Not applicable

7. Other Matters to be Disclosed: None