Notice of Revision to Earnings Guidance

Summary of the Revision

Ishihara Chemical Co., Ltd. has revised its consolidated full-year earnings guidance for the fiscal year ending March 2027. The new guidance is revenue of 26,000 hundred million yen, operating income of 4,250 hundred million yen, and net income attributable to owners of parent of 4,350 hundred million yen. These represent upward revisions of +400 hundred million yen, +490 hundred million yen, and +500 hundred million yen, respectively, from the previous guidance. The primary driver is the Metal Surface Treatment Agents and Equipment segment, particularly continued strong demand related to advanced semiconductor packaging for aluminum. Other uncertainties, including foreign exchange effects, are noted and may cause results to fluctuate depending on future developments.

Outlook and Impact

Given the expectation of continued solid demand in the segment, overall revenue and profit resilience is likely to be maintained. However, forecasts may change due to various factors; key risks to monitor include foreign exchange movements and demand fluctuations in the semiconductor industry. Additional disclosures may be provided depending on evolving circumstances.