Fortis Inc. Fourth Amending Agreement to Credit Facility

Fortis Inc. filed a Form 6-K reporting a Fourth Amending Agreement to its Fourth Amended and Restated Credit Agreement, dated May 7, 2026. The amendment involves a consortium of 12 major banks including The Bank of Nova Scotia (as administrative agent), Canadian Imperial Bank of Commerce, Royal Bank of Canada, Bank of Montreal, Toronto-Dominion Bank, National Bank of Canada, MUFG Bank, Bank of America, Morgan Stanley Bank, Fédération des caisses Desjardins du Québec, and Wells Fargo Bank. The amendment extends the maturity date of the credit facility and requires Fortis to pay an extension fee of 3.5 basis points per annum on each lender's individual commitment. The company represents that no default has occurred and no material adverse change has occurred since December 31, 2025. The agreement is governed by Ontario law and includes standard representations, warranties, and conditions precedent for effectiveness.