Bank of Montreal 424B Filings

Bank of Montreal priced Market Linked Securities — leveraged upside, buffered downside, linked to the Russell 2000® Index maturing June 2, 2028. The securities carry a face amount of $1,000 each and an estimated initial value of $967.50 per security on the pricing date.

The payout at maturity depends on the ending value of the Russell 2000 relative to the starting value 2,936.570. Investors participate at a 200% upside participation rate up to a maximum return of 26.00% ($260.00). There is a 10% buffer (threshold = 90% of starting value); if the ending value is below the threshold, holders incur 1-to-1 downside and may lose up to 90% of face amount at maturity. The calculation day is May 30, 2028, subject to postponement.

Bank of Montreal priced Senior Medium-Term Notes, Series K: equity index-linked market notes tied to the EURO STOXX 50® with an issue date of June 2, 2026 and a stated maturity of June 1, 2029. Each note has a $1,000 principal amount and an estimated initial value of $954.54 per note on the pricing date. The notes pay no interest, provide 100% upside participation up to a 25.90% maximum return (maximum maturity payment of $1,259.00 per note), and repay principal at maturity if the ending value is less than or equal to the starting value, subject to the issuer’s credit risk.

Bank of Montreal priced Market Linked Senior Medium-Term Notes, Series K, equity index linked to the S&P 500® Index with a stated maturity of December 1, 2028. Each security has a face amount $1,000 and an original offering price of $1,000. Investors receive a contingent fixed return of 21.35% ( $213.50 per security) only if the ending value is greater than or equal to the starting value. The starting value is 7,563.63 (closing value on the pricing date May 28, 2026) and the threshold value is 6,807.267 (equal to 90% of the starting value). There is a buffer amount of 10%: if the ending value declines by more than 10%, investors have 1-to-1 downside exposure and may lose up to 90% of the face amount. The issuer's estimated initial value per security on the pricing date was $964.82, and proceeds to the Bank were $974.25 per security after an agent discount of $25.75.

Bank of Montreal is offering indexed, non‑interest notes linked to the S&P 500® Index with a $1,000 principal amount per note and total original issue amount of $675,000. Trade date is May 28, 2026, original issue date June 2, 2026, and stated maturity date June 28, 2028 (determination date June 26, 2028, subject to postponement).

Payments at maturity depend on the index performance versus an initial level of 7,563.63. Upside participation is 140% capped at a maximum settlement amount of $1,281.40 per $1,000. A buffer protects declines up to 12.50% (buffer level = 87.50% of initial), but losses accrue beyond that at approximately 1.1429% of principal per 1% index decline below the buffer. The issuer reports an estimated initial value of $994.11 per $1,000, which is below the original issue price.

The Bank of Montreal is offering Market Linked Senior Medium-Term Notes, Series K: equity-linked, auto-callable notes tied to the Class A common stock of Rocket Companies, Inc., with a $1,000 face amount per security. Pricing date is June 3, 2026 and issue date is June 8, 2026. On the preliminary pricing supplement the estimated initial value is $968.70 per security (not less than $920.00 at pricing). The securities pay quarterly contingent coupons (the contingent coupon rate will be at least 20.25% per annum) subject to a 60% coupon/downside threshold of the starting value, are unsecured obligations of Bank of Montreal and may be automatically called if the Underlier meets the trigger on a calculation day. Principal at maturity depends on the ending value; if ending value is below the 60% downside threshold you can lose more than 40% of face amount. Tax and secondary-market treatments are described with withholding for non-U.S. holders and limited secondary-market liquidity.

Bank of Montreal published a preliminary pricing supplement for Senior Medium-Term Notes, Series K—market-linked securities with a face amount of $1,000 each that pay a contingent fixed return and return principal at risk linked to the lowest performing of the common stock of Fiserv, Inc. (FISV) and PayPal Holdings, Inc. (PYPL).

The offering shows a contingent fixed return to be set on the pricing date of at least 24.45% ($244.50), a threshold equal to 70% of each underlier’s starting value, a stated maturity date of June 11, 2027, a calculation day of June 8, 2027, a strike date of May 29, 2026, and a pricing date of June 1, 2026. The preliminary estimated initial value is $965.50 (not less than $915.50), original offering price is $1,000, agent discount is $23.25, and proceeds to BMO per security are $976.75.

Bank of Montreal is offering US$2,750,000,000 of Senior Medium-Term Notes, Series J across three tranches: US$750,000,000 due 2029, US$750,000,000 due 2032 and US$1,250,000,000 due 2037.

The tranches carry fixed rates during initial periods (4.547% to 5.298%) that convert to Compounded SOFR plus respective margins (0.632% to 1.208%) in later floating-rate periods. The Notes are senior unsecured, bail-inable under the CDIC Act and may be converted into common shares upon certain Canadian bail-in events. Net proceeds of approximately US$2,740,425,000 will be used for general corporate purposes.

Bank of Montreal (BMO) priced US$964,000 of Senior Medium-Term Notes, Series K — Step Down Autocallable Barrier Notes linked to the MerQube US Large-Cap Vol Advantage Index (MQUSLVA). Pricing Date: May 28, 2026; Settlement Date: May 29, 2026; Maturity Date: May 30, 2031. The notes pay scheduled automatic redemption amounts on specified Observation Dates if the Reference Asset is at or above the Call Level; Call Amounts per $1,000 range from $1,176.50 up to $1,882.50 depending on the Observation Date. At maturity, if a Trigger Event occurs (Final Level < Trigger Level = 60.00% of Initial Level), holders receive $1,000 + [$1,000 × Percentage Change], which may be less than principal. Estimated initial value on the Pricing Date: $882.01 per $1,000.

Bank of Montreal priced US$284,000 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 Nasdaq-100 Technology Sector Index, maturing May 01, 2028.

The notes pay monthly contingent coupons of 0.7083% per month (approximately 8.50% per annum) if on each Observation Date all three reference assets are at or above their Coupon Barrier Levels (70.00% of initial levels). Beginning November 25, 2026, the notes are callable if on an Observation Date all three reference assets are at or above their Call Levels (100% of initial levels); automatic redemption returns principal plus the applicable contingent coupon. If not called, maturity payment depends on the least performing reference asset: investors receive $1,000 per $1,000 unless a Trigger Event occurs (Final Level of any reference asset < its Trigger Level, each set at 70.00% of initial), in which case the cash payment equals $1,000 plus $1,000 multiplied by the percentage change of the least performing asset and may be less than principal. The estimated initial value on the Pricing Date was $964.70 per $1,000 principal.

Bank of Montreal priced US$1,372,000 of Senior Medium-Term Notes, Series K — Callable Barrier Notes with Contingent Coupons linked to the least performing of the S&P 500®, Russell 2000® and the Nasdaq-100 Technology Sector indices. The notes pay a contingent coupon of 0.5917% per month (approximately 7.10% per annum) when each reference asset on an Observation Date is at or above its Coupon Barrier Level.

The Pricing Date was May 28, 2026, Settlement Date May 29, 2026 and Maturity Date May 31, 2030. The notes are callable by the issuer beginning on May 25, 2027 on Observation Dates. At maturity, if any Reference Asset’s Final Level is below its Trigger Level (60.00% of its Initial Level), a Trigger Event occurs and the cash payout equals $1,000 plus $1,000 times the Percentage Change of the Least Performing Reference Asset, which may be less than principal.

Bank of Montreal (BMO) priced US$995,000 in Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Contingent Coupons due April 28, 2028. The notes pay contingent monthly coupons of 0.8667% per month (approximately 10.40% per annum) if each reference asset closes on an Observation Date at or above its Coupon Barrier.

If not autocalled, maturity payment depends on the Least Performing Reference Asset. Holders receive $1,000 per $1,000 principal unless a Trigger Event occurs; if a Trigger Event occurs, maturity payment = $1,000 + $1,000×Percentage Change of the Least Performing Reference Asset (which may be less than principal or zero). Estimated initial value on the Pricing Date was $947.70 per $1,000.

Bank of Montreal (BMO) priced a US$375,000 issuance of Senior Medium-Term Autocallable Barrier Notes linked to the least performing of Amazon.com, Inc. and Alphabet Inc. (Class A). The notes settle on May 29, 2026 and mature on June 01, 2029. They pay a 2.5375% contingent coupon per quarter (about 10.15% per annum) when each reference asset on an Observation Date is at or above its coupon barrier. The estimated initial value on the Pricing Date was $934.30 per $1,000 principal. If not autocalled, principal at maturity depends on the performance of the Least Performing Reference Asset versus a 60.00% trigger level; a breach of the trigger can reduce maturity payments proportionally.

Bank of Montreal priced US$450,000 in Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Contingent Coupons due May 31, 2029, linked to the least performing of the VanEck® Gold Miners ETF (GDX) and the Nasdaq-100 Technology Sector Index (NDXT).

The notes pay monthly contingent coupons of 0.8958% per month (approximately 10.75% per annum) if each reference asset is at or above its coupon barrier on an observation date, feature automatic redemption if both assets are at or above their call levels on an observation date beginning November 24, 2026, and return at maturity is linked to the performance of the least performing reference asset with trigger levels at 50% of initial levels.

Bank of Montreal priced a $5,283,000 offering of Senior Medium-Term Autocallable Barrier Notes, Series K, linked to the common stock of RH. The notes pay a 3.75% coupon per quarter (approximately 15.00% per annum), have a Pricing Date of May 28, 2026, a Settlement Date of May 29, 2026 and mature on May 31, 2029.

If not auto‑redeemed, principal at maturity is tied to RH's Final Level versus an Initial Level of $149.15; a Trigger Event occurs if the Final Level is below the Trigger Level of $74.58 (50.00% of Initial Level). The public offering price was 100% of principal and the Pricing Supplement reports an estimated initial value of $961.70 per $1,000 principal.

Bank of Montreal priced US$2,687,000 of Senior Medium‑Term Notes, Series K: Autocallable Barrier Notes due May 31, 2029, linked to the least performing of the NASDAQ-100, Russell 2000 and Dow Jones Industrial Average. The notes pay contingent quarterly coupons of 2.15% per quarter (about 8.60% per annum) if each reference asset on an Observation Date is at or above a Coupon Barrier equal to 65.00% of its Initial Level. Beginning on November 24, 2026, notes will autocall if each reference asset is at or above its Call Level (100% of Initial Level) on an Observation Date; on an automatic redemption investors receive principal plus the applicable contingent coupon. If not called, maturity payoff depends on the Least Performing Reference Asset: investors receive $1,000 unless a Trigger Event occurs (Final Level below the Trigger Level, which equals 65.00% of Initial Level), in which case the payoff equals $1,000 plus $1,000 times the Percentage Change of the Least Performing Reference Asset (which may be less than $1,000, possibly zero). The estimated initial value on the Pricing Date was $974.10 per $1,000.

Bank of Montreal offers US$800,000 in Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Memory Coupons linked to QXO, Inc. common stock. The notes priced on May 28, 2026 and settle on May 29, 2026, maturing on November 30, 2027. The notes pay contingent quarterly coupons of 4.8125% per quarter (approximately 19.25% per annum) when the Reference Asset’s closing level on an Observation Date is at or above the Coupon Barrier Level of $8.84 (50.00% of the Initial Level of $17.68). Beginning August 26, 2026, the notes are subject to automatic redemption if the Reference Asset closes at or above the Call Level ($17.68) on an Observation Date; if not autocalled, maturity payment depends on the Final Level versus the Trigger Level ($8.84), with downside risk if the Final Level is below the Trigger Level. The issuer’s estimated initial value was $972.20 per $1,000 principal on the Pricing Date. The notes will be cash-settled at maturity and are unsecured obligations of the issuer.

Bank of Montreal priced US$180,000 in Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the S&P 500®, Russell 2000® and the Nasdaq-100 Technology Sector. Pricing Date was May 28, 2026, Settlement May 29, 2026, and Maturity May 31, 2029. The notes pay scheduled Call Amounts on observation dates beginning June 1, 2027, rising to a final Call Amount of $330.00 per $1,000 if not earlier called. At maturity, if a Trigger Event occurs (any reference asset below its Trigger Level of 60.00% of its Initial Level), the cash payoff equals $1,000 × (1 + Percentage Change of the Least Performing Reference Asset), which can be less than principal. The estimated initial value on the Pricing Date was $952.00 per $1,000, and the public offering price to most investors was 100% of principal.

Bank of Montreal is offering US$605,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the common stock of Intel Corporation (INTC). The Pricing Date is May 28, 2026, Settlement Date May 29, 2026, and Maturity Date June 01, 2029. The notes pay a Contingent Coupon of 6.875% per quarter (approximately 27.50% per annum) on each quarterly coupon date if the Reference Asset closes at or above the Coupon Barrier Level ($72.53, 60.00% of the Initial Level) on an Observation Date. Beginning November 25, 2026, the notes are subject to automatic redemption if the Reference Asset closes at or above the Call Level (100% of the Initial Level) on an Observation Date, in which case holders receive principal plus the applicable Contingent Coupon. If not redeemed, payment at maturity is cash only and depends on Intel's Final Level on the Valuation Date; a Trigger Event occurs if the Final Level is below the Trigger Level ($72.53), potentially reducing repayment below principal. The estimated initial value on the Pricing Date was $925.60 per $1,000 principal amount.

Bank of Montreal is offering US$4,722,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the Class B common stock of TPG Inc. The notes price at 100% of principal ($1,000 per $1,000) with a 3.575% per quarter contingent coupon (approximately 14.30% per annum) payable quarterly subject to an Observation Date test against a Coupon Barrier of $20.93 (50% of the Initial Level of $41.86).

If an Observation Date meets the Call Level ($41.86) the notes will be automatically redeemed and investors receive principal plus any contingent coupons. If not called, maturity payoff is cash and depends on the Final Level relative to the Trigger Level ($20.93); a Trigger Event (Final Level below $20.93) causes a reduced cash return equal to $1,000 multiplied by the percentage change in the Reference Asset.

Bank of Montreal (BMO) priced US$800,000 of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes linked to the common stock of Oracle Corporation (ORCL). The notes pay a contingent coupon of 4.3375% per quarter (~17.35% per annum) when the Reference Asset meets the Coupon Barrier of $101.85 (50% of the Initial Level). The Initial Level is $203.70; the notes may be automatically redeemed if Oracle closes at or above the Call Level $203.70 on an Observation Date. If not called, principal repayment at maturity on November 30, 2027 depends on Oracle’s Final Level versus the Trigger Level $101.85; a Final Level below the Trigger Level produces a reduced cash payment. Pricing Date is May 28, 2026, settlement May 29, 2026, and the estimated initial value was $978.10 per $1,000.

Bank of Montreal (BMO) is offering US$750,000 of Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes linked to the common stock of Boston Scientific Corporation (BSX). The notes pay a Contingent Coupon of 3.125% per quarter (approximately 12.50% per annum) when the Reference Asset closes at or above a Coupon Barrier of $34.38 (70.00% of the Initial Level) on an Observation Date and include a Memory Coupon Feature. The notes may be automatically redeemed beginning on November 24, 2026 if the Reference Asset closes at or above the Call Level of $49.11 on an Observation Date. At maturity on May 31, 2029, if a Trigger Event occurs (Final Level below the Trigger Level of $34.38), holders receive a cash amount equal to $1,000 × (1 + Percentage Change), which may be less than principal. The public offering price was 100% of principal; estimated initial value was $964.80 per $1,000 on the Pricing Date.

Bank of Montreal priced a US$836,000 offering of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons due May 31, 2029. The notes link 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 Pricing Date was May 28, 2026, Settlement Date May 29, 2026, Valuation Date May 25, 2029 and Maturity Date May 31, 2029.

The offering price was 100% of principal (public offering price for certain fee-based accounts ranged between $970.00 and $1,000 per $1,000). The notes pay a Contingent Coupon of 0.9583% per month (approximately 11.50% per annum) when each Reference Asset closes >= its Coupon Barrier on an Observation Date. The notes are subject to automatic redemption if, on any Observation Date beginning November 24, 2026, each Reference Asset closes above its Call Level. At maturity, if a Trigger Event occurs (any Reference Asset final level < its Trigger Level), payment equals $1,000 x (1 + Percentage Change of the Least Performing Reference Asset), which may be less than principal and may be zero.

Bank of Montreal priced US$229,000 of Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes linked to the least performing of the VanEck® Semiconductor ETF (SMH) and the Dow Jones Industrial Average® (INDU).

The notes were priced on May 28, 2026 with settlement on May 29, 2026, a valuation date of May 25, 2028 and maturity on May 31, 2028. Contingent coupons accrue at 0.9583% per month (approximately 11.50% per annum) if each reference asset on an Observation Date is >= its Coupon Barrier. Automatic redemption can occur beginning on May 25, 2027 if each reference asset closes at or above its Call Level.

Coupon and Trigger Levels equal 70.00% of initial levels: SMH Coupon/Trigger Level $419.88 (Initial Level $599.83) and INDU Coupon/Trigger Level 35,468.28 (Initial Level 50,668.97). The issuer’s estimated initial value was $926.30 per $1,000 of principal. Payment at maturity, if not auto‑redeemed, depends on the Percentage Change of the Least Performing Reference Asset and may be less than principal.

Bank of Montreal (BMO) priced US$517,000 of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Contingent Coupons due May 31, 2029. The notes pay a contingent coupon of 0.6042% per month (approximately 7.25% per annum) when each reference index is at or above its coupon barrier on observation dates.

The notes reference the S&P 500 (SPX), Russell 2000 (RTY) and Dow Jones Industrial Average (INDU) with Initial Levels of SPX 7,563.63, RTY 2,936.570 and INDU 50,668.97. Coupon and trigger levels are set at 75.00% of each Initial Level. If not autocalled, maturity payment depends on the Least Performing Reference Asset; a Trigger Event (Final Level below Trigger Level) can reduce principal pro rata.

Bank of Montreal priced US$530,000 Senior Medium-Term Notes, Series K — Callable Barrier Notes with Contingent Coupons due April 28, 2028, linked to the least performing of the S&P 500®, Russell 2000® and the Nasdaq-100 Technology Sector indices. The notes pay a monthly contingent coupon of 0.75% per month (approximately 9.00% per annum) when each reference asset closes at or above its coupon barrier on observation dates. The initial estimated value was $963.40 per $1,000 on the pricing date. If not called, maturity payment depends on the least performing reference asset: investors receive $1,000 unless a trigger event occurs (Final Level below 70.00% of Initial Level), in which case principal is reduced pro rata by that asset’s percentage change. The issuer may call the notes beginning on November 24, 2026. This supplement incorporates the product supplement and prospectus supplement dated March 25, 2025.

Bank of Montreal priced US$2,666,000 of Senior Medium‑Term Notes (Series K), Contingent Risk Absolute Return Buffer Notes linked to a three‑asset basket. The notes pay no interest and mature on May 31, 2029 with payments tied to an unequally weighted Basket (50% S&P 500, 30% EFA, 20% EEM).

Payments at maturity: positive Basket performance participates 1:1 up to a Maximum Redemption Amount of $1,365.00 per $1,000 (a 36.50% return). If the Basket falls but remains at or above the Buffer Level of 85.00% of the Initial Level, investors receive a positive absolute return up to the $1,150.00 per $1,000 Maximum Downside Redemption Amount (a 15.00% return). If the Basket declines more than 15.00%, investors lose 1% of principal for each 1% decline beyond the buffer and may lose up to 85.00% of principal.

All payments are subject to Bank of Montreal credit risk; notes are unsecured, unlisted, issued in $1,000 denominations, and have an estimated initial value of $966.20 per $1,000 on the Pricing Date.

Bank of Montreal priced a US$477,000 offering of Senior Medium‑Term Notes, Series K — Autocallable Barrier Enhanced Return Notes linked to Intel Corporation common stock maturing June 01, 2029. The notes provide 150.00% upside leverage to positive stock performance if not auto‑redeemed, carry a 60.00% barrier ($72.53) and are subject to automatic redemption on June 01, 2027 if the closing level of Intel equals or exceeds the Call Level (100% of the Initial Level). If auto‑redeemed investors receive principal plus a Call Amount of $437.50 per $1,000 (about 43.75% per annum). If not auto‑redeemed and Intel falls below the barrier, holders lose 1% of principal for each 1% decline in the Reference Asset; payments are unsecured and subject to Bank of Montreal credit risk.

Bank of Montreal is offering US$902,000 of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes linked to the S&P 500® Index, priced on May 28, 2026 with settlement on May 29, 2026 and maturity on November 30, 2028.

The notes provide 200.00% leveraged upside exposure subject to a Maximum Redemption Amount of $1,245.00 per $1,000 (a 24.50% cap). A 10.00% buffer protects against losses up to that threshold; if the index declines beyond the buffer, holders lose 1% of principal for each 1% decline beyond 10.00%, with up to 90.00% principal loss possible.

Bank of Montreal priced US$11,446,000 of Senior Medium-Term Notes, Series K: Capped Contingent Risk Absolute Return Buffer Notes linked to the S&P 500® Index. The notes were priced on May 28, 2026, settle May 29, 2026 and mature May 31, 2029.

Key economic terms: Upside Leverage Factor 125.00%, Downside Leverage Factor 125.00%, Buffer Level equal to 80.00% of the Initial Level, Maximum Redemption Amount $1,255.50 per $1,000, and Maximum Downside Redemption Amount $1,250.00 per $1,000. The price to public was 100% and the issuer’s estimated initial value was $969.60 per $1,000.

Bank of Montreal (BMO) priced US$1,466,000 of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes linked to the S&P 500® Index. The notes mature on May 31, 2029 and offer 300.00% upside leverage on appreciation subject to a $1,270.00 maximum redemption per $1,000 principal (a 27.00% cap). The structure protects the first 10.00% of declines (buffer) but exposes investors to losses beyond that level, up to 90.00% of principal. The notes do not pay interest, are unsecured obligations of BMO, are not exchange-listed, and are subject to BMO credit risk. The initial estimated value was $958.40 per $1,000 principal; the public price was $1,000 per $1,000 principal (aggregate $1,466,000), reflecting underwriting and hedging costs. BMOCM acted as agent and calculation agent; offering terms and secondary market activity are discretionary.

Bank of Montreal is offering US$455,000 principal amount of Senior Medium-Term Market Linked Notes, Series K due May 31, 2029, linked to the least performing of iShares MSCI EAFE ETF (EFA) and the EURO STOXX 50® Index (SX5E). The notes pay at maturity a 1-to-1 participation in any appreciation of the least performing reference asset up to a Maximum Redemption Amount of $1,300 per $1,000 (a 30.00% cap). If the least performing reference asset closes at or below its initial level, investors receive only principal. The notes do not bear interest, are unsecured obligations of the Bank of Montreal, and carry the Bank’s credit risk. Pricing Date was May 28, 2026; valuation date is May 25, 2029. The issuer’s estimated initial value was $957.40 per $1,000.

Bank of Montreal priced a US$1,037,000 offering of Senior Medium‑Term Market Linked Notes, Series K, due May 31, 2028. The notes pay at maturity based on the performance of the least performing of the S&P 500® and Russell 2000® indices, subject to a Maximum Redemption Amount of $1,122.50 per $1,000 (a 12.25% cap). The notes provide 100% upside participation up to that cap, return principal only if the least performing reference asset falls or is flat, do not bear interest, and are unsecured obligations of Bank of Montreal.

Bank of Montreal priced a primary offering of $2,499,000 Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Buffer Notes linked to the S&P 500® Index, maturing on May 30, 2031. The notes offer 175.00% upside and downside leverage subject to a Maximum Redemption Amount of $1,415.00 and a Buffer Level equal to 80.00% of the Initial Level. If the Final Level is below the Buffer Level, investors lose 1% of principal for each 1% decline beyond the 20.00% buffer (up to an 80.00% principal loss). The public offering price was 100% of principal; estimated initial value was $942.00 per $1,000 on the Pricing Date.

Bank of Montreal (BMO) priced US$790,000 of Senior Medium‑Term Market Linked Notes, Series K, due May 31, 2029, linked to the least performing of the NASDAQ‑100 and the Dow Jones Industrial Average. The notes pay no interest and return at maturity is capped at a Maximum Redemption Amount of $1,216.00 per $1,000 (a 21.60% maximum). If the least performing reference asset declines, investors receive $1,000 per $1,000. The initial estimated value was $958.20 per $1,000 and all payments are subject to BMO's credit risk.

Bank of Montreal priced US$499,000 Senior Medium‑Term Notes, Series K through a Pricing Supplement dated May 28, 2026. The notes mature on April 28, 2028 and pay no interest. They offer a potential 18.00% Digital Return if the Final Level of the Least Performing Reference Asset is at least 70.00% of its level on the Pricing Date. If the Least Performing Reference Asset falls below its Barrier Level (a decline greater than 30.00% from the Initial Level), investors lose 1% of principal for each 1% decline and may lose up to 100% of principal at maturity. Reference Assets are the S&P 500, NASDAQ‑100 and Russell 2000. The notes were offered at par in minimum denominations of $1,000; estimated initial value was $966.80 per $1,000. All payments are subject to Bank of Montreal credit risk and the notes will not be listed.

Bank of Montreal (BMO) is offering US$917,000 of Senior Medium‑Term Notes, Series K—Autocallable Barrier Enhanced Return Notes due May 31, 2029. These notes are linked to the least performing of the Dow Jones Industrial Average, the NASDAQ‑100 and the Russell 2000 and provide 170.00% upside leverage on positive performance if not auto‑redeemed.

The notes pay no interest, may be automatically redeemed on June 01, 2027 for a $160 Call Amount per $1,000 (approximately 16.00% per annum), and expose holders to principal loss at maturity if the Least Performing Reference Asset falls below its 70.00% Barrier Level. All payments are subject to BMO credit risk. Minimum denominations are $1,000.

Bank of Montreal (BMO) is offering US$3,620,000 of Senior Medium-Term Notes, Series K — Buffer Enhanced Return Notes due May 30, 2031. The notes provide 166.00% upside leverage to any appreciation of the S&P 500® Futures Excess Return Index, and include an 80.00% buffer (20.00% downside protection) on the Reference Asset. If the Reference Asset declines more than 20.00% from its Initial Level, holders will incur losses of 1% of principal for each 1% decline beyond the buffer (up to an 80.00% principal loss). The public offering price is 100% of principal; the issuer’s estimated initial value was $929.60 per $1,000 on the Pricing Date.

Bank of Montreal is offering US$1,161,000 of Senior Medium‑Term Notes, Series K — Capped Buffer Enhanced Return Notes due May 31, 2028, linked to the S&P 500® Index. The notes provide 150.00% upside exposure subject to a Maximum Redemption Amount of $1,147.50 per $1,000 (a 14.75% capped return). If the index declines by more than the 20.00% Buffer, holders lose 1% of principal for each 1% decline beyond 20%, with potential principal loss up to 80.00%. The public offering price was 100% (aggregate), the issuer estimated an initial value of $964.00 per $1,000 on pricing, and payments are subject to Bank of Montreal credit risk.

Bank of Montreal priced US$1,482,000 Senior Medium-Term Notes, Series K — a structured note due June 30, 2027

The notes pay a 10.50% digital return if the Final Level of the least performing of the S&P 500® and Russell 2000® is greater than or equal to its Pricing Date level. If that least performing index falls below 70.00% of its Pricing Date level, investors lose 1% of principal for each 1% decline; losses may reach 100% of principal. The notes were priced on May 28, 2026 with an estimated initial value of $966.00 per $1,000 principal amount and will be unsecured obligations of Bank of Montreal.

Bank of Montreal (BMO) is offering US$1,917,000 principal amount of Senior Medium-Term Notes, Series K — autocallable barrier enhanced return notes due May 31, 2029 — linked to the least performing of the Dow Jones Industrial Average, the Russell 2000 and the S&P 500. If not auto‑redeemed, the notes provide 200.00% upside leverage on appreciation of the least performing reference asset but expose holders to full downside below a 70.00% Barrier (loss of 1% principal per 1% decline). Automatic early redemption can occur beginning June 01, 2027 on observation dates, delivering principal plus a Call Amount (examples: $100 or $200 per $1,000). Notes pay no interest, are unsecured obligations of the Bank and are subject to Bank of Montreal credit risk. Minimum denomination is $1,000. The issuer’s estimated initial value was $940.10 per $1,000 on the Pricing Date.

Bank of Montreal (BMO) priced US$4,311,000 of Senior Medium-Term Autocallable Barrier Notes linked to the S&P 500® Index due May 31, 2029. The notes pay no interest and may be automatically redeemed on June 1, 2027 if the index is above its Call Level, in which case each note pays a $75 Call Amount on the Call Settlement Date. If not called, payoff at maturity depends on the Final Level: full participation (1x) in positive returns above the Initial Level, return of principal if the Final Level stays at or above the 75.00% Barrier, and a linear loss of principal below the Barrier (100% loss possible).

Bank of Montreal priced US$2,220,000 of Senior Medium‑Term Notes, Series K — Capped Buffer Enhanced Return Notes linked to the S&P 500® Index, maturing November 30, 2027. The notes provide 150.00% upside exposure subject to a Maximum Redemption Amount of $1,100.00 per $1,000 (a 10.00% cap).

The structure returns principal at maturity if the index decline does not exceed the 20.00% buffer; declines beyond that expose holders to a pro rata loss (up to 80.00% of principal). Payments are unsecured obligations of the Bank and subject to Bank of Montreal credit risk.

Bank of Montreal (BMO) priced US$2,232,000 of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes due May 31, 2029. The notes provide 200.00% upside leverage on the least performing of the S&P 500® and NASDAQ-100®, subject to a Maximum Redemption Amount of $1,320.00 per $1,000. The notes return principal at maturity if the least performing reference asset does not fall more than 15.00% (the Buffer Level); declines beyond that result in a 1% loss of principal for each 1% decline, with up to 85.00% principal loss possible. Notes pay no interest, are unsecured obligations of BMO, are not exchange-listed, and are subject to BMO credit risk.

Bank of Montreal is offering Market Linked Securities—auto-callable senior medium-term notes due June 22, 2029 linked to the lowest performing common stock of Amazon.com, Inc., Alphabet Inc. (Class A) and Meta Platforms, Inc.. The original offering price is $1,000 per security; the issuer's initial estimated value on the preliminary pricing supplement is $967.90 per security (not less than $920.00 at pricing). The securities pay quarterly contingent coupon payments (the contingent coupon rate will be set on the pricing date and will be at least 18.20% per annum) only if the lowest performing Underlier meets coupon threshold tests. The notes are subject to an automatic call feature, full downside exposure to the lowest performing Underlier at maturity if that Underlier falls below a 70% downside threshold, and are unsecured obligations of Bank of Montreal; all payments depend on the issuer's creditworthiness.

Bank of Montreal (BMO) is offering Accelerated Return Notes® linked to the Global X Robotics & Artificial Intelligence ETF (ticker BOTZ), maturing in August 2027. Each unit has a $10 principal amount; the public offering price is $10.00 per unit and the underwriting discount is $0.175 per unit. The notes provide a leveraged payoff at a 300% participation rate up to a Capped Value (to be set on the pricing date, indicated here as between $11.80 and $12.20 per unit). The issuer’s initial estimated value is expected to be between $9.00 and $9.35 per unit. Payments at maturity depend on the Starting Value and Ending Value of the Underlying Fund, are unsecured, and are subject to BMO’s credit risk and the stated risks for robotics and AI-focused equities.

Bank of Montreal is offering non‑interest notes linked to the S&P 500® Index with a principal amount of $1,000 per note. The notes pay a threshold settlement amount if the final index level is >= 90.00% of the initial level; that amount is expected to be between $1,100.50 and $1,118.20. If the final index level is below 90.00%, investors lose approximately 1.1111% of principal for each 1% decline below the threshold. The determination date will be set on the trade date and is expected to fall within a 14 to 16 month range; the stated maturity is the second scheduled business day after that date. The notes are unsecured obligations of Bank of Montreal, not listed, designed to be held to maturity, and subject to the issuer’s credit risk. The issuer’s estimated initial value per note is expected to be $969.00–$999.00, which is less than the original issue price.

Bank of Montreal issues $2,000,000 Senior Medium‑Term Notes, Series K, fixed 5.35% due June 1, 2038. The Notes are $1,000 principal per note, trade date May 28, 2026, issue date June 1, 2026, and pay interest semi‑annually on June 1 and December 1 beginning December 1, 2026. The Notes are redeemable by Bank of Montreal in whole (but not in part) on semi‑annual Optional Redemption Dates beginning June 1, 2028 at 100% of principal plus accrued interest. The offering totals $2,000,000 at an original issue price of $1,000.00 per Note; underwriting discount is $10.00 per Note and proceeds to the Bank are $990.00 per Note.

The Notes are unsecured, not listed on any exchange, not insured by deposit insurance, and are bail‑inable under the Canada Deposit Insurance Corporation Act, permitting conversion into common shares under the CDIC Act. Holders are deemed to consent to conversion and related jurisdictional provisions as described.

Bank of Montreal is offering a preliminary pricing supplement for senior medium-term auto-callable, contingent coupon equity-linked notes due June 7, 2029, linked to the lower-performing share of 3M Company and NVIDIA Corporation. The original offering price is $1,000 per security and the estimated initial value at pricing is $963.70 (not less than $910.00 per security). The securities pay monthly contingent coupons (the contingent coupon rate will be determined on the pricing date and will be at least 15.75% per annum), are subject to an automatic call feature, and expose holders to full downside on the lowest performing Underlier if its ending value is below a 65% downside threshold. Purchasers are exposed to issuer credit risk and complex tax and market risks; the offering is preliminary and subject to final pricing.

Bank of Montreal is offering Trigger Autocallable Contingent Yield Notes linked to the least performing of the S&P 500® Index and the EURO STOXX 50® Index due June 1, 2029. The offering totals $28,325,750 at an Original Issue Price of $10.00 per Note with a minimum investment of $1,000.

The Notes pay a fixed Contingent Coupon quarterly at an 8.25% per annum rate if both Underliers meet a 70% Coupon Barrier on each Coupon Observation Date; otherwise no coupon is paid for that quarter. The Notes are automatically callable on quarterly Call Observation Dates if each Underlier closes at or above its Initial Underlier Value, in which case holders receive principal plus the final Contingent Coupon. If not called, maturity payoff depends on the Final Underlier Values: if any Underlier finishes below its 70% Downside Threshold, the repayment is reduced proportionally to the negative return of the Least Performing Underlier, exposing holders to potential substantial or total loss of principal.