secwatch.observer — SEC 8-K summary ====================================== Issuer: M&T BANK CORP (MTB) CIK: 0000036270 Form: 8-K Filed at: 2026-09-28T19:46:42+00:00 Accession: 0000036270-26-000054 Event type: other_material Sentiment: neutral Materiality: 0.20 Item codes: 7.01, 9.01 LLM model: deepseek-v4.1-flash:cloud@v2 M&T Bank reclassifies Q3 2026 other income categories; no impact on net income or EPS -------------------------------------------------------------------------------- - M&T Bank will reclassify Other income categories effective Q3 2026; total Other income, income before taxes, net income and EPS are unchanged. - Trust and investment services income will combine trust and brokerage services; service charges on deposit accounts will exclude debit card interchange. - Card revenues will combine credit card interchange, merchant discount revenue and debit card interchange, previously split across other categories. - M&T will separately present loans held for sale from loans held for investment; affected taxable-equivalent rates and credit ratios will exclude loans held for sale. - Exhibit 99.1 provides unaudited supplemental historical financial information applied retrospectively; CFO Daryl N. Bible signed the filing dated September 28, 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/36270/000003627026000054/0000036270-26-000054-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/36270/000003627026000054/mbt-20260928.htm HTML page: https://secwatch.observer/filing/0000036270-26-000054 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer