MEC COMPANY LTD.

Transfer of Operating Officers

(Correction) Partial Correction to “Consolidated Financial Results for the Fiscal Year Ended December 31, 2024 (Under Japanese GAAP)”

Notice Regarding Receipt of Dividends from a Consolidated Subsidiary

(Change of Disclosures) Progress of the new domestic base Kitakyushu Plant (tentative name)

Notice of the 56th Annual General Meeting of Shareholders