Correction of Investment Period Extension for TPC Mass Production Facility

Correction date: 2026-04-30, reason: facility supplementation for process optimization
Subsidiary Aekyung Chemical, new investment of 96.7 billion won (13.1% of equity) for TPC mass production
Investment period end date changed from 2026-04-30 to 2026-09-30 (5-month extension)
Purpose: first domestic mass production of TPC, core material for aramid fiber
Others: Board resolution on 2024-09-05, all outside directors present, investment amount subject to change

Filing: [Correction of Description] Investment In New Facilities, Etc. (Major Management Matters Of Subsidiaries)
Company: AK Holdings (006840)
Submission: AK Holdings, Inc.
Receipt: 04-30-2026
Under KRX KOSPI Market Division