Bank of Montreal 424B Filings

The Bank of Montreal priced US$695,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons due June 05, 2028. The notes pay a monthly contingent coupon of 0.8833% (approximately 10.60% per annum) if each reference index is at or above a 70% barrier on observation dates. Pricing date was May 29, 2026, settlement June 03, 2026, valuation date May 31, 2028. Estimated initial value on the pricing date was $977.54 per $1,000. At maturity investors receive principal unless a Trigger Event occurs; if triggered, payoff equals $1,000 × Percentage Change of the Least Performing Reference Asset, which may be less than principal, possibly zero.

Bank of Montreal is offering US$2,344,000 in Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of the NASDAQ-100 (NDX), Russell 2000 (RTY) and Dow Jones Industrial Average (INDU). The notes price on May 29, 2026, settle on June 03, 2026, and mature on December 03, 2029. Each quarterly Contingent Coupon is 2.55% (≈10.20% per annum) if all Reference Assets close at or above their coupon barriers on observation dates. The notes feature an automatic redemption if each Reference Asset is at or above its Call Level on an Observation Date; if not called, final payment depends on the least performing Reference Asset versus its Trigger Level (60% of initial), with possible principal loss. The estimated initial value on the pricing date was $985.74 per $1,000 of principal.

Bank of Montreal priced US$2,431,000 of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Memory Coupons due June 04, 2029, linked to the least performing of the S&P 500®, Russell 2000® and the Nasdaq-100 Technology Sector indexes. The notes pay monthly contingent coupons of 0.7667% per month (approximately 9.20% per annum) when each reference asset closes at or above its coupon barrier on observation dates and feature a monthly automatic redemption from June 01, 2027 if all call levels are met. At maturity, if a Trigger Event occurs (the least performing reference asset finishes below its 60.00% Trigger Level), principal is reduced pro rata by the percentage decline of that least performing asset. The cover lists an estimated initial value of $982.89 per $1,000 and a public offering price of 100% of principal, subject to detailed risk, tax and jurisdictional restrictions in the supplement.

Bank of Montreal (BMO) priced US$570,000 of Senior Medium-Term Notes, Series K — Callable Barrier Notes linked to the least performing of the S&P 500®, NASDAQ-100® and Russell 2000®.

Pricing Date: May 29, 2026; Settlement: June 03, 2026; Maturity: June 04, 2029. The notes pay a Contingent Coupon of 0.80% per month (approximately 9.60% per annum) on each monthly coupon date only if each reference asset is at or above its Coupon Barrier (70% of Initial Level) on the applicable Observation Date. Beginning June 01, 2027, BMO may call the notes in whole on any Observation Date; if called, investors receive principal plus any contingent coupon due on the Call Settlement Date. At maturity, if any reference asset’s Final Level is below its Trigger Level (60% of Initial Level), a Trigger Event occurs and the maturity payment equals $1,000 + $1,000 × Percentage Change of the Least Performing Reference Asset, which can be less than principal and may be zero. The pricing supplement shows an estimated initial value of $983.27 per $1,000 on the Pricing Date and a public offering price of 100% (Agent’s commission 0.50%, proceeds to BMO 99.50%).

Bank of Montreal priced US$1,411,000 Senior Medium-Term Notes, Series K. The notes are Callable Barrier Notes with Contingent Coupons linked to the least performing of the S&P 500® (SPX) and the Russell 2000® (RTY).

Key economics: Contingent interest of 0.75% per month (≈9.00% per annum) payable monthly if each reference asset on an Observation Date is ≥ its Coupon Barrier (70% of the Initial Level). Pricing Date was May 29, 2026, Settlement June 03, 2026, Valuation November 30, 2027, and Maturity December 03, 2027. A Trigger Event occurs if any Final Level is below its Trigger Level (70% of Initial Level); in that case maturity payment = $1,000 + $1,000 × Percentage Change of the Least Performing Reference Asset. The estimated initial value was $987.62 per $1,000. Proceeds to Bank of Montreal were approximately 99.5198% ($1,404,223.75) with an aggregate agent commission of approximately 0.4802% ($6,776.25).

Bank of Montreal priced US$1,409,000 of Senior Medium-Term Notes, Series K — Callable Barrier Notes with Contingent Coupons due May 03, 2028. The notes pay a contingent coupon of 0.8667% per month (approximately 10.40% per annum) if each reference index is at or above its coupon barrier on observation dates. The notes are linked to the S&P 500®, NASDAQ-100® and Russell 2000®; the coupon barrier and trigger levels equal 70.00% of each index’s Initial Level. The issuer may call the notes beginning on November 30, 2026 on observation dates; if called investors receive principal plus any contingent coupon due on the call settlement date. The estimated initial value was $983.81 per $1,000 on the pricing date.

Bank of Montreal priced US$1,754,000 Senior Medium‑Term Notes, Series K, Autocallable Barrier Notes linked to the least performing of the VanEck® Gold Miners ETF (GDX) and the Nasdaq‑100 Technology Sector Index (NDXT). The notes were priced on May 29, 2026, settle June 03, 2026, and mature June 04, 2029. They pay a contingent coupon of 1.3542% per month (approximately 16.25% per annum) on each monthly coupon date if both reference assets close at or above their coupon barrier levels on the related observation date. Beginning December 01, 2026, the notes are subject to automatic redemption if both reference assets close at or above their Call Level on an Observation Date; upon autocall investors would receive principal plus the contingent coupon due. If not redeemed, maturity payment for each $1,000 principal depends on the percentage change of the least performing reference asset relative to its Initial Level; a Trigger Event occurs if any Final Level is below its Trigger Level (60% of Initial Level), which can cause principal loss at maturity. The estimated initial value on the pricing date was $947.22 per $1,000 principal amount.

Bank of Montreal priced US$95,000 Senior Medium-Term Notes, Series K, a barrier note with contingent semiannual coupons due June 03, 2031. Pricing Date was May 29, 2026 with settlement on June 03, 2026.

The notes pay a 3.70% contingent interest rate per semiannual period (approximately 7.40% per annum) when each reference index meets its coupon barrier on an observation date. Coupon and trigger levels equal 70.00% of each index’s initial level. At maturity you receive $1,000 per $1,000 unless a trigger event occurs; if a Trigger Event occurs you receive $1,000 plus the percentage change of the least performing reference asset, which can result in a return below principal, including zero.

Bank of Montreal is offering US$1,520,000 of Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of META, AMZN and GOOGL. The notes priced on May 29, 2026, settle on June 03, 2026 and mature on June 03, 2031.

Key economics: a contingent coupon of 1.8333% per month (approximately 22.00% per annum) payable monthly if each reference asset on an Observation Date is ≥ its Coupon Barrier Level. Notes are automatically redeemed if, on an Observation Date beginning November 30, 2026, each reference asset is ≥ its Call Level (100% of initial level). At maturity, if not called and a Trigger Event has occurred (any final level < its Trigger Level, 60% of initial), the cash payout equals $1,000 plus $1,000 times the Percentage Change of the Least Performing Reference Asset and may be less than principal. The estimated initial value was $967.46 per $1,000 on the pricing date.

Bank of Montreal priced US$1,390,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to The Estée Lauder Companies Inc. Class A common stock. The notes have a Pricing Date of May 29, 2026, settlement on June 03, 2026, a valuation date of May 25, 2029, and mature on May 31, 2029.

The notes pay a Contingent Coupon of 5.00% per quarter (approximately 20.00% per annum) when the Reference Asset closes at or above a Coupon Barrier Level of $62.27 (70.00% of the Initial Level) on an Observation Date, and are automatically redeemed if the Reference Asset closes at or above the Call Level (100.00% of the Initial Level) on any Observation Date. At maturity, if the Final Level is below the Trigger Level of $62.27, holders receive a cash amount equal to $1,000 plus $1,000 times the Percentage Change in the Reference Asset; that payment may be less than principal and can be zero. The estimated initial value on the Pricing Date was $963.91 per $1,000.

Bank of Montreal priced an offering of US$1,956,000 in Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the common shares of Celestica Inc. The Pricing Date was May 29, 2026, Settlement Date June 03, 2026, Valuation Date November 30, 2027 and Maturity Date December 03, 2027. Each note has an Initial Level of $385.39, a monthly Contingent Interest Rate of 2.9167% (approximately 35.00% per annum), a Coupon Barrier of $231.23 (60.00% of Initial Level) and a Trigger Level of $192.70 (50.00% of Initial Level). Notes may be automatically redeemed beginning on August 31, 2026 if the Reference Asset closes above the Call Level on an Observation Date; if not autocalled, maturity payout depends on Final Level relative to the Trigger Level. The public offering price was 100% of principal with an estimated initial value of $960.98 per $1,000 on the Pricing Date.

Bank of Montreal (BMO) priced US$75,000 aggregate principal amount of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of the S&P 500®, Russell 2000® and the Nasdaq-100 Technology Sector Index. The notes settle on June 03, 2026 and mature on June 04, 2029. They pay monthly contingent coupons of 0.8417% per month (approximately 10.10% per annum) if each reference asset on an Observation Date is at or above a coupon barrier equal to 70.00% of its initial level. Beginning December 01, 2026, the notes are subject to automatic redemption if each reference asset is at or above its call level on an Observation Date; automatic redemption pays principal plus the applicable contingent coupon. At maturity, if not autocalled, payment depends on the least performing reference asset: investors receive $1,000 per $1,000 principal unless a Trigger Event occurs (final level below 70.00% of initial), in which case the cash payoff equals $1,000 plus $1,000 times the percentage change of the least performing reference asset and may be less than principal. The estimated initial value on the pricing date was $972.33 per $1,000. This pricing supplement references the product supplement and prospectus supplement dated March 25, 2025 and contains specific jurisdictional selling restrictions and tax and legal opinions cited therein.

Bank of Montreal prices US$444,000 principal amount of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Contingent Coupons due May 03, 2028. The notes pay a 0.675% per month contingent coupon (approximately 8.10% per annum) when each reference asset on an Observation Date is at or above its Coupon Barrier Level, and may be automatically redeemed if on any Observation Date each Reference Asset is at or above its Call Level. At maturity, if not called, repayment depends on the Least Performing Reference Asset; a Trigger Event occurs if any Final Level is below the Trigger Level (each set at 60.00% of initial levels). The estimated initial value was $977.43 per $1,000 principal amount on the Pricing Date.

Bank of Montreal prices a primary offering of US$1,453,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the common stock of Dollar Tree, Inc. The notes pay a contingent interest rate of 4.9625% per quarter (approximately 19.85% per annum) if an Observation Date closes at or above the Coupon Barrier Level. The notes are subject to automatic redemption beginning on August 24, 2026 if the Reference Asset closes above the Call Level. If not redeemed, payment at maturity on May 31, 2029 depends on the Final Level versus the Trigger Level ($81.51, 70.00% of the Initial Level); a Trigger Event would reduce principal proportionally. The public offering price is 100% of principal (with certain fee-based accounts receiving between $980 and $1,000 per $1,000). The issuer states the estimated initial value on the Pricing Date was $972.60 per $1,000.

Bank of Montreal priced US$2,311,000 Senior Medium-Term Notes, Series K. These are Autocallable Barrier Notes due June 04, 2029 linked to the least performing of the common stock of JPMorgan Chase & Co. (JPM), Broadcom Inc. (AVGO) and NVIDIA Corporation (NVDA). The Pricing Date is May 29, 2026, with Settlement on June 03, 2026 and Valuation Date on May 30, 2029. The notes pay a monthly Coupon of 1.0792% (approximately 12.95% per annum), are autocallable beginning December 01, 2026, and return principal at maturity unless a Trigger Event occurs; estimated initial value was $949.16 per $1,000.

Bank of Montreal is offering US$294,000 aggregate principal amount of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of the VanEck® Semiconductor ETF (SMH) and the Dow Jones Industrial Average® (INDU). The notes price at 100% of principal, settle on June 03, 2026 and mature on June 05, 2028. Contingent coupons of 1.125% per month (~13.50% per annum) may be paid monthly if each reference asset closes at or above its coupon barrier on observation dates. The notes are automatically redeemable beginning June 02, 2027 if both reference assets close at or above their Call Levels; otherwise payment at maturity depends on the performance of the least performing reference asset and may be less than principal.

Bank of Montreal is offering $1,389,000 principal amount of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons due June 03, 2030, linked to the S&P 500®, Russell 2000® and Nasdaq-100 Technology Sector Index. The notes pay a monthly contingent coupon of 0.7083% (approximately 8.50% per annum) if each reference asset is at or above its coupon barrier on monthly observation dates, and include an automatic redemption feature beginning on May 28, 2027.

If not auto‑redeemed, principal at maturity depends on the performance of the least performing reference asset: investors receive $1,000 per $1,000 principal unless a Trigger Event occurs, in which case maturity payment equals $1,000 multiplied by (1 + Percentage Change) of the least performing reference asset, which may be less than principal and potentially zero. The estimated initial value on the pricing date was $970.56 per $1,000.

Bank of Montreal (BMO) priced a US$855,000 offering of Senior Medium-Term Notes, Series K: autocallable barrier notes with contingent coupons due June 04, 2029.

The notes pay a contingent coupon of 0.7292% per month (~8.75% per annum) when each reference index is at or above its 75.00% coupon barrier on observation dates. The notes are linked to the S&P 500 (SPX), Russell 2000 (RTY) and Dow Jones Industrial Average (INDU). If not auto‑redeemed, principal at maturity depends on the least performing reference asset; a trigger event (final level below 75.00% of initial) reduces payment pro rata, possibly to zero. Estimated initial value was $968.21 per $1,000 principal on the pricing date.

Bank of Montreal priced US$504,000 Senior Medium-Term Notes, Series K—Barrier Enhanced Return Notes due June 03, 2031 linked to the S&P 500® Futures Excess Return Index.

Key mechanics: an Upside Leverage Factor of 198.00%, an Initial Level of 609.62 and a Barrier Level equal to 50.00% of the Initial Level (304.81). If the Final Level is below the Barrier Level, investors lose 1% of principal for each 1% decline; full principal loss is possible. Pricing Date was May 29, 2026, Settlement Date June 03, 2026, Valuation Date May 29, 2031. The public offering price is 100% (per note), Agent’s Commission is 0.25% ($1,260 aggregate), and proceeds to the Bank were $502,740. The initial estimated value was $969.84 per $1,000 principal amount.

Bank of Montreal is offering US$831,000 aggregate principal amount of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes due December 03, 2027 — linked to the MSCI EAFE® Index. The notes provide 150.00% upside leverage on positive index returns capped at a 12.00% maximum redemption ($1,120.00 per $1,000). If the index falls more than 20.00% from its Initial Level, investors lose 1% of principal for each 1% decline beyond that buffer, with potential principal loss up to 80.00%. The notes pay no interest, are unsecured obligations of the Bank, are not exchange-listed, and are subject to the Bank of Montreal credit risk.

Bank of Montreal priced a US$2,041,000 offering of Senior Medium-Term Notes, Series K: Contingent Risk Absolute Return Barrier Notes due June 03, 2031. The notes provide 180.00% leveraged upside to increases in the S&P 500® Futures Excess Return Index and a capped positive payout if the Reference Asset declines up to the $1,400.00 per $1,000 maximum downside redemption amount. If the Reference Asset falls below a Barrier Level of 365.77 (60.00% of the Initial Level 2,609.62), investors suffer pro rata principal losses and may lose all principal. Payments are unsecured obligations of the Bank and subject to the Bank of Montreal's credit risk. The pricing supplement states an estimated initial value of $969.34 per $1,000 principal amount on the pricing date.

Bank of Montreal (BMO) prices a US$272,000 offering of Senior Medium-Term Notes, Series K linked to the S&P 500® Index. The notes pay no interest and provide 1-to-1 participation in positive index performance up to a Maximum Redemption Amount of $1,610.00 per $1,000 (a 61.00% cap). If the index ends between 90.00% and 100.00% of its Initial Level, investors lose 1% of principal for each 1% decline; if below 90.00% they receive $900.00 per $1,000 (a 10.00% loss). The notes were priced on May 29, 2026, settle on June 03, 2026, and mature on December 03, 2031. Payments are unsecured obligations of BMO and subject to BMO credit risk.

Bank of Montreal prices US$5,150,000 of Senior Medium-Term Notes, Series K — Buffer Enhanced Return Notes due June 03, 2031, linked to an unequally weighted basket of the S&P 500® (80%) and MSCI EAFE® (20%). For each $1,000 principal, investors receive no interest and a leveraged upside equal to 104.00% of any Basket appreciation. If the Basket declines by more than a 20.00% buffer, holders lose 1% of principal for each 1% decline beyond the buffer, and could lose up to 80.00% of principal at maturity.

The notes were priced on May 29, 2026 with settlement on June 03, 2026. The issuer’s initial estimated value was $983.63 per $1,000 principal; price to public equals 100% ($5,150,000 aggregate). Payments depend on Basket final levels, are unsecured obligations of Bank of Montreal, are subject to the bank’s credit risk, will not be listed, and will not confer shareholder rights in underlying indices.

Bank of Montreal is offering US$1,057,000 aggregate principal amount of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes linked to the S&P 500® Index, maturing December 03, 2027. The notes provide 150.00% upside participation subject to a Maximum Redemption Amount of $1,105.00 per $1,000. If the index falls more than 20.00% from the Initial Level, investors lose 1% of principal for each additional 1% decline (up to 80.00% loss). The notes do not pay interest, are unsecured obligations of the Bank and are subject to the Bank of Montreal’s credit risk. Pricing Date was May 29, 2026, settlement on June 03, 2026, and valuation date on November 30, 2027.

Bank of Montreal priced US$835,000 aggregate Senior Medium‑Term Notes, Series K: Capped Barrier Enhanced Return Notes linked to the S&P 500® Index, Pricing Date May 29, 2026 and Maturity Date June 03, 2031.

The notes provide 127.00% Upside Leverage on positive S&P 500 performance up to a Maximum Redemption Amount of $1,600.00 per $1,000 principal (a 60.00% cap). The notes have a Barrier Level equal to 4,548.04 (60.00% of the Initial Level 7,580.06); if the Final Level is below that Barrier, investors lose 1% of principal for each 1% decline.

Bank of Montreal priced US$725,000 Senior Medium-Term Notes, Series K — Digital Return Buffer Notes due June 05, 2028, linked to the least performing of the S&P 500®, NASDAQ-100® and Russell 2000®. The notes pay a 19.50% Digital Return at maturity if the Least Performing Reference Asset's Final Level is at or above 80.00% of its Pricing Date level.

If the Least Performing Reference Asset declines by more than 20.00%, investors lose 1% of principal for each 1% decline beyond the 20.00% buffer, exposing holders to up to 80.00% principal loss at maturity. The notes do not bear interest, are unsecured obligations of the Bank, and all payments are subject to the credit risk of Bank of Montreal.

Bank of Montreal (BMO) priced US$1,316,000 of Senior Medium-Term Notes, Series K — Contingent Risk Absolute Return Barrier Notes due June 04, 2029. The notes provide 200.00% upside leverage on the least performing of the NASDAQ-100, Russell 2000 and the Dow Jones Industrial Average, capped at a Maximum Redemption Amount of $1,575.00 per $1,000. If the least performing reference asset falls but stays above its Barrier Level (70.00% of initial), investors receive a positive downside-protected payment up to $1,300.00 per $1,000. If a Barrier Event occurs (Final Level below the Barrier Level), holders incur linear losses of 1% of principal for each 1% decline in the least performing reference asset and may lose up to 100% of principal. The notes do not pay interest, are unsecured obligations of BMO, carry BMO credit risk, and will not be listed on an exchange.

Bank of Montreal priced a supplemental offering of US$187,000 in Senior Medium-Term Market Linked Notes, Series K due December 03, 2030. The notes pay no interest and provide 1-for-1 upside exposure to the S&P 500Index subject to a Maximum Redemption Amount of $1,550.00 per $1,000 principal and an effective cap of 55.00%. If the Reference Asset falls but remains >= 90.00% of its Initial Level, investors lose on a 1:1 basis up to 10.00% of principal; if below 90.00%, maturity pays $900.00 per $1,000 principal. Payments are unsecured and subject to Bank of Montreal credit risk.

Bank of Montreal (BMO) is offering US$7,508,000 in Senior Medium-Term Notes, Series K — Callable Barrier Notes with Contingent Coupons due June 04, 2029. The notes pay contingent monthly coupons of 1.0417% per month (approximately 12.50% per annum) if each Reference Asset closes at or above its 70.00% Coupon Barrier on an Observation Date and are callable by the issuer beginning December 01, 2026.

If not called, the maturity payment depends on the Least Performing Reference Asset (TLT, NDX, RTY); a Trigger Event occurs if any Final Level is below its Trigger Level (70.00% of Initial Level), in which case the maturity payoff equals $1,000 x (1 + Percentage Change of the Least Performing Reference Asset) and may be less than principal. The estimated initial value on the Pricing Date was $986.90 per $1,000.

Bank of Montreal priced US$587,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons due June 04, 2029, linked to the least performing of the VanEck® Gold Miners ETF (GDX), the S&P 500® Index (SPX) and the Nasdaq-100 Technology Sector Index (NDXT).

The notes pay a 1.15% per month contingent coupon (approximately 13.80% per annum) when each Reference Asset on an Observation Date is at or above its Coupon Barrier Level and are subject to monthly autocall beginning December 01, 2026. Principal is repaid at maturity unless a Trigger Event occurs, in which case maturity payoff equals $1,000 plus $1,000 multiplied by the Percentage Change of the Least Performing Reference Asset. The pricing supplement shows an estimated initial value of $947.80 per $1,000 principal amount and a public offering price of 100% with an agent commission of 1%.

Bank of Montreal is offering US$281,000 Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes linked to the least performing of the common stock of Amazon.com, Inc., Tesla, Inc. and NVIDIA Corporation. The notes pay a Contingent Coupon of 1.6875% per month (approximately 20.25% per annum) when each Reference Asset on an Observation Date is at or above its Coupon Barrier. The notes can be automatically redeemed beginning on September 01, 2026 if each Reference Asset is at or above its Call Level (100% of Initial Level). At maturity on June 04, 2029, if not called, holders receive $1,000 per $1,000 unless a Trigger Event occurs (Final Level of any Reference Asset below its Trigger Level of 50% of Initial Level), in which case payment equals $1,000 plus $1,000 times the Percentage Change of the Least Performing Reference Asset. The Pricing Date was May 29, 2026, Settlement Date June 03, 2026, Valuation Date May 30, 2029, and the estimated initial value on the Pricing Date was $971.08 per $1,000.

Bank of Montreal is offering $3,045,000 of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Memory Coupons linked to the common stock of NRG Energy, Inc. The notes were priced on May 29, 2026, settle on June 03, 2026 and mature on June 02, 2028. Each note carries a contingent coupon of 3.75% per quarter (approximately 15.00% per annum) if the Reference Asset meets the Coupon Barrier Level of $69.72 (52.00% of the Initial Level). The Initial Level is $134.08. Beginning on November 30, 2026 the notes may be automatically redeemed if the Reference Asset closes above the Call Level (100% of the Initial Level). At maturity, if a Trigger Event occurs (Final Level below the Trigger Level of $69.72), payment may be in shares (Physical Delivery Amount) or cash equal to that share exposure. The pricing cover shows a public offering price of 100% and an estimated initial value of $970.15 per $1,000 principal amount.

Bank of Montreal priced US$3,421,000 Senior Medium-Term Notes, Series K (Callable Barrier Notes). The notes were priced May 29, 2026, settle June 03, 2026 and mature June 03, 2027. Coupons accrue at 1.0417% per month (approximately 12.50% per annum) and monthly Coupons equal $10.417 per $1,000.

Payment at maturity depends on the performance of the Least Performing Reference Asset (the S&P 500®, NASDAQ-100® and Russell 2000®). A Trigger Event occurs if any Reference Asset closes below its Trigger Level (70.00% of Initial Level) during the Monitoring Period; if triggered and the Final Level of the Least Performing Reference Asset is below its Initial Level, maturity payment equals $1,000 + ($1,000 x Percentage Change) and may be less than principal. The estimated initial value on the Pricing Date was $990.91 per $1,000. Price to public was 100% with an agent's commission of 0.45%.

Bank of Montreal priced a US$464,000 offering of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes due June 04, 2029. The notes pay a monthly contingent coupon of 1.5417% per month (about 18.50% per annum) if each reference stock meets its 70.00% coupon barrier on an Observation Date. The notes are linked to the least performing of META, GOOG and AMZN, call for automatic redemption if all reference assets close at or above their initial levels on an Observation Date, and return at maturity either principal or a reduced cash amount determined by the percentage change of the least performing reference asset. The public offering price was 100% of principal for most investors, with certain fee-based accounts offered between $997.50 and $1,000 per $1,000. The estimated initial value on the Pricing Date was $967.96 per $1,000 in principal amount. The notes are unsecured obligations of the Bank; payment at maturity is cash only.

Bank of Montreal prices US$2,125,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of Amazon.com, Inc. and Oracle Corporation.

The notes pay a contingent coupon of 1.6667% per month (~20.00% per annum) when each reference asset on an Observation Date is at or above its Coupon Barrier Level. The notes may be automatically redeemed beginning on August 31, 2026 if both reference assets close at or above their Call Level on an Observation Date. If not called, payment at maturity on December 03, 2027 is cash only and depends on the Final Level of the least performing reference asset; a Trigger Event occurs if any Final Level is below its Trigger Level (each Trigger Level equals 50.00% of the Initial Level). The Pricing Date was May 29, 2026, Settlement Date June 03, 2026, and the estimated initial value was $968.86 per $1,000 of principal.

Bank of Montreal (BMO) priced US$3,279,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the least performing of the Russell 2000® (RTY), XLP (State Street Consumer Staples ETF) and the Nasdaq-100 Technology Sector Index (NDXT). The notes mature on June 03, 2030 and may be automatically redeemed beginning on November 30, 2026 if, on an Observation Date, each Reference Asset is at or above its Call Level (100% of its Initial Level).

If not called, contingent coupons of 1.0417% per month (~12.50% per annum) are payable monthly only when each Reference Asset closes on an Observation Date at or above its Coupon Barrier (75% of Initial Level). At maturity the redemption depends on the performance of the least performing Reference Asset: investors receive $1,000 per $1,000 principal unless a Trigger Event occurs (Final Level below 60% of Initial Level for any Reference Asset), in which case the cash payment equals $1,000 plus $1,000 times the Percentage Change of the least performing Reference Asset.

The public offering price was 100% of principal (some fee‑based accounts between $995 and $1,000). Estimated initial value on the Pricing Date was $975.61 per $1,000. Price to public, commissions and proceeds are reported on the cover.

Bank of Montreal is offering US$1,490,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Memory Coupons linked to the common stock of Biogen Inc. The Pricing Date is May 29, 2026, Settlement Date June 03, 2026 and Maturity Date June 02, 2028. The notes pay contingent quarterly coupons of 2.8375% per quarter (approximately 11.35% per annum) if the Reference Asset closes at or above the Coupon Barrier Level on an Observation Date, with a Memory Coupon feature that can pay previously unpaid coupons later. The Initial Level is stated as $196.00, and the Coupon Barrier Level and Trigger Level are each $129.36 (66.00% of the Initial Level). The notes are autocallable beginning on the November 30, 2026 observation if the Reference Asset is above the Call Level (100% of Initial Level). If not redeemed, payment at maturity depends on the Final Level; a Trigger Event (Final Level below the Trigger Level) causes delivery of shares (Physical Delivery Amount) or cash. The estimated initial value on the Pricing Date was $966.01 per $1,000 in principal amount. Terms and risks are described in the referenced prospectus, prospectus supplement and product supplement.

Bank of Montreal priced US$1,645,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the common stock of Uber Technologies, Inc. The notes price date is May 29, 2026, settlement June 03, 2026 and maturity June 05, 2028. Each note has an Initial Level of $70.40 and a Coupon Barrier/Trigger Level equal to $38.72 (55.00% of Initial Level). Contingent coupons pay 2.85% per quarter (approximately 11.40% per annum), equal to $28.50 per $1,000 if the Reference Asset closes at or above the Coupon Barrier on an Observation Date. The notes are automatically redeemed if the Reference Asset closes at or above the Call Level on an Observation Date. The estimated initial value is $970.46 per $1,000 principal amount.

Bank of Montreal priced US$2,955,000 Senior Medium-Term Notes, Series K: Autocallable Barrier Notes linked to the common stock of Devon Energy Corporation (DVN). The notes pay a contingent quarterly coupon of 3.0875% (approximately 12.35% per annum) if the Reference Asset meets the coupon barrier on observation dates, feature an automatic redemption if the stock closes at or above the Call Level on an Observation Date, and mature on June 05, 2028.

The Initial Level is $44.49; the Coupon Barrier and Trigger Level are both $26.69 (60.00% of Initial Level). Payment at maturity is either $1,000 per note if no Trigger Event occurs or a physical/cash delivery tied to the Final Level if the Final Level is below the Trigger Level. The estimated initial value was $970.11 per $1,000 principal amount on the Pricing Date.

Bank of Montreal is issuing US$997,000 of Senior Medium-Term Notes, Series K — Contingent Risk Absolute Return Barrier Notes due June 03, 2032. The notes provide 180.00% leveraged positive participation in the S&P 500® Futures Excess Return Index on appreciation. If the Reference Asset declines but stays above a 60.00% Barrier Level, investors receive a capped positive downside payout up to a $1,400.00 per $1,000 Maximum Downside Redemption Amount. If the Final Level falls below the Barrier Level, investors lose 1% of principal for each 1% decline and may lose up to 100% of principal. Payments are unsecured obligations of Bank of Montreal; all payments are subject to the issuer’s credit risk.

Bank of Montreal prices US$1,433,000 of Senior Medium-Term Notes, Series K (Digital Return Barrier Notes) linked to the common stock of Tesla, Inc. The notes pay a 17.30% Digital Return at maturity if the Final Level of Tesla stock is greater than or equal to 60.00% of its Pricing Date level. If the Final Level is below the Barrier Level, investors receive a physical delivery of Tesla shares (or, at the issuer’s election, cash), with losses equal to 1% of principal for each 1% decline below the Initial Level; delivery amounts are calculated using an Initial Level of $435.79 (Pricing Date close) and a Digital/Barrier Level of $261.47. Notes mature on July 02, 2027, are unsecured obligations of Bank of Montreal, issued in $1,000 denominations, and are subject to the Bank’s credit risk and limited liquidity.

Bank of Montreal priced US$1,056,000 of Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Buffer Notes due June 04, 2029.

These structured notes link to the S&P 500® Index and provide 300.00% upside leverage on positive index performance capped at a 30.00% return (maximum redemption $1,300.00 per $1,000). The notes also deliver a limited positive payoff when the index declines up to a 10.00% buffer (buffer level = 90.00% of initial level); if the index falls more than 10.00%, investors incur losses of 1% of principal for each 1% decline beyond the buffer, with potential loss up to 90.00% of principal. The notes do not pay interest, are unsecured senior obligations of the Bank, are subject to the Bank of Montreal's credit risk, and have an estimated initial value of $976.11 per $1,000 on the Pricing Date.

Bank of Montreal is offering $2,113,000 of Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Buffer Notes linked to the S&P 500® Index, maturing on June 05, 2028.

The notes provide 300.00% upside leverage on any positive Percentage Change subject to a $1,202.50 Maximum Redemption Amount per $1,000 principal and offer protection for declines up to a 10.00% Buffer (Buffer Level = 6,822.05, Initial Level = 7,580.06). If the Final Level falls below the Buffer Level, investors lose 1.00% of principal for each additional 1% decline (losses up to 90.00% of principal). All payments are subject to Bank of Montreal credit risk.

The Bank of Montreal is offering US$622,000 aggregate principal of Senior Medium-Term Notes, Series K — market-linked notes due June 04, 2029 — with returns linked to the least performing of iShares MSCI EAFE ETF (EFA) and the EURO STOXX 50® Index (SX5E). The notes provide 100.00% participation in positive performance of the Least Performing Reference Asset up to a Maximum Redemption Amount of $1,450.00 per $1,000 principal (a 45.00% maximum return). If the Least Performing Reference Asset finishes at or below its Initial Level, investors receive only principal at maturity.

Payments are unsecured obligations of Bank of Montreal and subject to its credit risk; the estimated initial value on the pricing date was $969.66 per $1,000 principal. The notes do not pay interest and will not be listed. Pricing Date was May 29, 2026; Settlement Date June 03, 2026; Valuation Date May 30, 2029.

Bank of Montreal priced US$1,366,000 of Senior Medium-Term Market Linked Notes, Series K due June 05, 2028, linked to the least performing of the S&P 500® and Russell 2000® indices. The notes pay no interest and offer 1-to-1 upside participation subject to a Maximum Redemption Amount of $1,145.00 per $1,000 principal (a 14.50% cap). If the least performing reference asset finishes below its initial level, holders receive only principal at maturity. The pricing date was May 29, 2026, the valuation date is May 31, 2028, and settlement is June 03, 2026. All payments are unsecured obligations of Bank of Montreal and subject to its credit risk.

Bank of Montreal is offering $1,445,000 principal amount of Senior Medium‑Term Notes, Series K — market linked notes due June 03, 2031 tied to the S&P 500® Futures Excess Return Index. The notes pay no interest and at maturity provide 136.00% participation in any positive Percentage Change of the Reference Asset; if the Final Level is less than or equal to the Initial Level investors receive the $1,000 principal per $1,000 note.

The notes were priced on May 29, 2026 with an estimated initial value of $962.36 per $1,000 and a public offering price of 100%. Payments are unsecured obligations of Bank of Montreal and are subject to the issuer’s credit risk, limited secondary‑market liquidity, and structural risks tied to futures roll yields and the excess‑return nature of the index.

Bank of Montreal priced US$1,202,000 aggregate principal amount of Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Buffer Notes due June 04, 2029. These notes provide 1:1 upside participation in the S&P 500® up to a Maximum Redemption Amount of $1,325.00 per $1,000, and a 20.00% buffer against declines above which investors absorb losses.

The notes pay no interest, are unsecured obligations of the Bank, carry credit risk of Bank of Montreal, are not exchange-listed, and had an estimated initial value of $978.22 per $1,000 on the Pricing Date.

Bank of Montreal is offering US$779,000 of Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Buffer Notes linked to the S&P 500® Index. The notes mature on June 05, 2028 (pricing date May 29, 2026, settlement June 03, 2026, valuation date May 31, 2028). Payments at maturity: 100% upside participation subject to a Maximum Redemption Amount $1,172.50 per $1,000 (a 17.25% cap). If the final index level is below the initial level but >= the Buffer Level (80.00% of initial), investors receive a positive buffered payout up to a Maximum Downside Redemption Amount $1,200.00 per $1,000. If the index declines more than 20.00%, investors lose 1% of principal for each 1% decline beyond the buffer, potentially losing up to 80.00% of principal. The notes pay no interest, are unsecured obligations of the Bank, are not exchange-listed, and all payments are subject to the Bank of Montreal's credit risk. Price to public was 100%; estimated initial value was $982.06 per $1,000.

Bank of Montreal priced US$1,111,000 Senior Medium-Term Notes, Series K — Digital Return Barrier Notes due June 03, 2031 linked to the S&P 500® Futures Excess Return Index. The notes pay a 65.00% Digital Return if the Reference Asset increases up to that level and provide a one-to-one upside above that. If the Final Level is below the Barrier Level (70.00% of the Initial Level) investors lose 1% of principal for each 1% decline; principal loss may be up to 100% at maturity. Key terms: Initial Level 609.62, Barrier Level 426.73, Pricing Date May 29, 2026, Settlement Date June 03, 2026, Price to public 100%, estimated initial value $966.18 per $1,000.