BANK OF MONTREAL /CAN/ (BMO) SEC Filings, May 19, 2026

Bank of Montreal is offering US$1,295,000 of Senior Medium-Term Notes, Series K, Barrier Enhanced Return Notes due May 20, 2032, linked to the S&P 500® Futures Excess Return Index. The notes provide 205.00% upside leverage on appreciation of the Reference Asset but include a 60.00% barrier; if the Reference Asset falls below the barrier, investors lose 1% of principal for each 1% decline and may lose all principal. The notes pay no interest, are unsecured obligations of the Bank of Montreal, are sold at 100% of principal (price to public), and are subject to the issuer’s credit risk and limited liquidity.

Bank of Montreal is offering US$5,778,000 of Senior Medium-Term Notes, Series K: Autocallable Contingent Risk Absolute Return Barrier Notes due May 21, 2029 linked to Palantir Technologies Inc. Class A common stock. The notes pay no interest, are unsecured and may be automatically redeemed on May 21, 2027 if the Reference Asset closes above its Call Level, in which case investors receive principal plus a $245 Call Amount per $1,000 (about 24.50% per annum). If not called, final payment depends on the Reference Asset's Final Level: positive upside participation uses a 125.00% Upside Leverage Factor; downside outcomes are capped at a $1,500.00 Maximum Downside Redemption Amount per $1,000 unless a Barrier Event (Final Level < $67.00) occurs, in which case losses are 1% per 1% decline. All payments are subject to BMO credit risk.

Bank of Montreal priced US$5,032,000 Senior Medium-Term Notes, Series K. The notes mature on May 20, 2031 and are linked to the S&P 500® Futures Excess Return Index. They provide 196.00% leveraged upside if the Reference Asset appreciates, a 20.00% buffer on the downside, and may lose up to 80.00% of principal if the Reference Asset falls beyond the buffer. The Pricing Date and Valuation Date are May 15, 2026 and May 15, 2031, respectively. The initial estimated value per $1,000 principal was $964.34; the public offering totaled $5,032,000. All payments are unsecured obligations of Bank of Montreal and subject to its credit risk.

Bank of Montreal is offering US$418,000 aggregate principal of Senior Medium-Term Notes, Series K — Contingent Risk Absolute Return Buffer Notes due May 21, 2029 linked to the S&P 500® Futures Excess Return Index. The notes provide 132.75% upside leverage on positive Percentage Change of the Reference Asset and a 20.00% buffer on downside, with a Maximum Downside Redemption Amount of $1,200.00 per $1,000. If the Reference Asset falls more than the buffer, investors lose 1% of principal for each 1% decline beyond 20.00% and may lose up to 80.00% of principal. The notes do not pay interest, are unsecured obligations of Bank of Montreal, are subject to the issuer’s credit risk, will not be listed, and were offered at approximately 100% of principal, with proceeds to the Bank of Montreal of $415,910.00 (agent commission 0.50% ($2,090.00)).

Bank of Montreal is offering US$8,583,000 of Senior Medium-Term Notes, Series K — Buffer Enhanced Return Notes linked to the S&P 500® Index, with a Pricing Date of May 15, 2026 and Maturity Date of May 22, 2028.

The notes provide 300.00% Upside Leverage on positive S&P 500 moves but cap the payment at a Maximum Redemption Amount of $1,215.50 per $1,000 principal (a 21.55% return). They include a 15.00% Buffer (Buffer Level 6,297.23) that protects principal for declines up to 15.00%; beyond that, investors bear losses at a Downside Leverage Factor of approximately 117.65% (about 1.1765% loss of principal per 1% decline beyond the buffer).

The notes pay no interest, are unsecured obligations of the Bank, are not exchange-listed, and expose investors to issuer credit risk. The issuer's estimated initial value was $986.14 per $1,000, and the public price was 100% of principal.

Bank of Montreal priced US$3,439,000 of Senior Medium-Term Notes, Series K — Buffer Enhanced Return Notes due May 21, 2029. The notes provide 300.00% upside leverage to appreciation in the S&P 500® Index up to a Maximum Redemption Amount of $1,325.50 per $1,000. The notes return principal only if the Reference Asset does not decline more than 15.00% (the Buffer Level). If the S&P 500® falls below the Buffer Level, holders lose approximately 1.1765% of principal for each 1% decline beyond 15.00%, potentially losing up to 100.00% of principal. The public offering price was 100% and the issuer's estimated initial value was $982.56 per $1,000.

Bank of Montreal priced US$510,000 of Senior Medium-Term Notes, Series K: capped barrier enhanced return notes due May 21, 2029 linked to the Class C capital stock of Alphabet Inc. The notes offer 200.00% upside leverage of appreciation subject to a Maximum Redemption Amount of $1,667.50 per $1,000. The notes pay no interest, are unsecured obligations of the Bank and are payable only in cash at maturity. If the Reference Asset falls below the Barrier Level (60.00% of the Initial Level), holders incur losses equal to the Percentage Change of the Reference Asset, potentially losing up to 100% of principal. All payments are subject to the credit risk of Bank of Montreal; the notes will not be listed and have an estimated initial value of $958.99 per $1,000 on the Pricing Date.

Bank of Montreal priced US$4,065,000 of Senior Medium-Term Notes, Series K — Digital Contingent Risk Absolute Return Buffer Notes linked to the Russell 2000® Index. The notes pay no interest and mature on May 18, 2028. If the Final Level of the index is greater than or equal to the Initial Level, holders receive a 25.00% Digital Return. If the Final Level falls but remains at or above the Buffer Level (equal to 85.00% of the Initial Level), holders receive a positive capped downside payment up to a $1,150.00 Maximum Downside Redemption Amount per $1,000. If the Final Level is below the Buffer Level, losses apply at a Downside Leverage Factor of approximately 117.65%, meaning approximately 1.1765% loss of principal for each 1% decline beyond the 15.00% buffer. Key anchors: Initial Level 2,793.299 (Pricing Date May 15, 2026), Pricing Date May 15, 2026, Settlement Date May 20, 2026, Valuation Date May 15, 2028, estimated initial value $993.07 per $1,000.

Bank of Montreal prices US$625,000 of Senior Medium-Term Notes, Series K — Autocallable Buffer Notes with Contingent Coupons linked to the least performing of SPDR^® Gold Trust (GLD) and iShares^® Silver Trust (SLV). The notes price on May 15, 2026, settle on May 20, 2026 and mature on April 20, 2029. They pay a monthly Contingent Coupon of 1.0833% per month (≈13.00% per annum) when both reference assets close at or above their coupon barrier on Observation Dates, and are subject to an automatic redemption feature beginning on November 17, 2026.

At maturity, if the least performing reference asset has declined by more than the Buffer Percentage of 25.00%, holders receive a reduced cash payment tied to that percentage change (losses up to 75.00% of principal are possible). The pricing supplement shows an estimated initial value of $934.35 per $1,000 on the Pricing Date and discloses fees, distribution mechanics and jurisdictional offering restrictions.