...January 19, 2026 This report does not constitute a rating action. TOKYO (S&P Global Ratings) Jan. 19, 2026--Mitsubishi Corp.'s large investment in North American shale gas will limit its financial capacity. The deal is large enough for us to expect a significant deterioration in financial health indicators. Mitsubishi Corp. (A/Stable/A-1) announced on Jan. 16, 2026, that it will acquire Aethon III LLC, Aethon United LP, and related companies (Aethon) involved in the North American shale gas business for approximately $5.2 billion (approximately Ñ820 billion). We believe this investment will significantly reduce credit headroom for our current rating on Mitsubishi Corp. The total acquisition cost (including loans) for Aethon is approximately Ñ1.2 trillion. This is large relative to the company's non-current assets of Ñ12.7 trillion and capital of Ñ10.1 trillion as of March 31, 2025 (the end of fiscal 2024), and projected net income of Ñ700 billion-Ñ800 billion for the next one to two years....