Bank of Montreal 424B Filings

Bank of Montreal (BMO) is offering $8,000,000 of Senior Medium-Term Notes, Series K — Digital Return Barrier Notes due June 22, 2027. The notes pay a 9.25% digital return at maturity if the least performing of the S&P 500 and Russell 2000 has a Final Level ≥ 65.00% of its Pricing Date level. If the least performing reference asset declines more than 35.00%, investors lose 1% of principal for each 1% decline and may lose up to 100% of principal. Notes are unsecured obligations of BMO, issued in minimum denominations of $1,000, not listed, and subject to BMO credit risk. The agent is BMO Capital Markets Corp.

Bank of Montreal priced US$2,921,000 of Senior Medium-Term Notes, Series K — Capped Buffer Notes due November 22, 2028 — linked to the shares of iShares® MSCI EAFE ETF (EFA). The notes provide 1:1 positive participation in appreciation of the Reference Asset up to a Maximum Redemption Amount of $1,748.50 per $1,000 (a 74.85% maximum return). A buffered downside protects the first 20.00% of losses; if the Reference Asset falls more than 20.00% from its Initial Level, investors lose 1% of principal for each 1% decline beyond the buffer, up to an 80.00% principal loss. The notes pay no interest, are unsecured obligations of the Bank and are payable only in cash.

Bank of Montreal priced US$4,323,000 aggregate Senior Medium-Term Market Linked Notes, Series K, linked to the S&P 500® Index. The notes pay at maturity based on the Percentage Change from an Initial Level of 7,353.61 (Pricing Date May 19, 2026), with Settlement Date May 22, 2026, Valuation Date May 17, 2029 and Maturity Date May 22, 2029. If the Final Level ≥ Initial Level, investors receive principal plus participation at an Upside Leverage Factor of 89.35%. If the Final Level < Initial Level, investors lose 0.50% of principal for each 1% decline (up to a 50.00% loss). The public offering price was 100% (agent commission 0.25%), and the issuer’s estimated initial value was $991.02 per $1,000. Payments are unsecured and subject to the issuer’s credit risk.

Bank of Montreal priced US$1,775,000 of Senior Medium-Term Notes, Series K — Capped Buffer Enhanced Return Notes linked to the S&P MidCap 400® Index.

The notes pay up to a Maximum Redemption Amount of $1,158.00 per $1,000 (a 15.80% maximum return) and provide 200.00% upside leverage on appreciation of the index, subject to that cap. The notes include a 10.00% buffer: if the index declines by no more than 10.00% at the valuation date you receive the $1,000 principal back; declines beyond the buffer cause a pro rata loss, up to a 90.00% principal loss at maturity. All payments are subject to Bank of Montreal credit risk.

Bank of Montreal priced a primary offering of Senior Medium-Term Notes, Series K. The issuance totals $1,500,000 in $1,000 denominations, with an interest rate of 4.60% per annum, issue date May 22, 2026 and stated maturity May 22, 2029. The Notes are redeemable at issuer option on semi-annual Optional Redemption Dates and are bail-inable under the Canada Deposit Insurance Corporation Act, permitting conversion into common shares under specified statutory powers.

The Notes pay semi-annual interest, are unsecured obligations of Bank of Montreal, will not be listed on an exchange, and were issued at an original issue price of $1,000.00 per Note (total $1,500,000.00), with underwriting discount per Note of $3.80 and proceeds to BMO per Note of $996.20. Optional Redemption may occur semi-annually beginning May 22, 2027. The pricing supplement stresses credit risk, limited secondary market expectations, and Canadian bail-in conversion risk.

Bank of Montreal is offering Market Linked Securities — auto-callable, fixed-coupon, equity-linked notes tied to DraftKings Inc. common stock with a 13.00% coupon paid monthly. Each security has a $1,000 face amount, an estimated initial value of $970.83 and a stated maturity date of May 22, 2028. The notes may be automatically called on monthly call dates beginning November 2026 if the Underlier’s closing value is at or above the starting value; if not called, repayment at maturity depends on the ending value versus a 70% threshold and may result in share delivery rather than full cash repayment.

The securities are unsecured obligations of Bank of Montreal and carry credit risk of the issuer, no FDIC or CDIC insurance, limited secondary-market liquidity, and uncertain U.S. federal income tax treatment. The agent discount is $23.25 per security and total original offering proceeds shown equal $976,750 for the illustrated tranche.

Bank of Montreal priced principal-at-risk notes linked to the MSCI EAFE Index. The notes trade date is May 19, 2026, original issue date May 22, 2026 and stated maturity date February 18, 2028 (subject to postponement). For each $1,000 principal amount, repayment at maturity depends on the index performance versus the initial level of 3,027.11. Investors participate at an upside participation rate of 160% subject to a cap that limits the maximum cash payment to $1,267.68 per note. A buffer protects against declines up to 12.50% (buffer level = 87.50% of the initial level); if the final level is below the buffer, losses accrue at ~1.1429% of principal per 1% decline below the buffer. The issuer received gross proceeds of $3,564,000.00. The initial estimated value per note was $991.14, below the original issue price. Payments are unsecured obligations of Bank of Montreal and subject to its credit risk.

Bank of Montreal offers US$3,025,000 of Senior Medium‑Term Notes, Series K — Callable Barrier Notes with Contingent Coupons linked to the least performing of the S&P 500®, NASDAQ‑100® and Russell 2000®; the notes mature on November 30, 2027 and have a Valuation Date of November 24, 2027.

The notes pay a contingent coupon of 0.8542% per month (approximately 10.25% per annum) when each Reference Asset closes at or above its Coupon Barrier Level on an Observation Date; each contingent coupon equals $8.542 per $1,000 if payable. The issuer may call the notes beginning on June 25, 2026. At maturity investors receive principal unless a Trigger Event occurred and the Final Level of the least performing Reference Asset is below its Initial Level, in which case the maturity payment equals $1,000 × Percentage Change of the least performing Reference Asset (which may be less than principal).

Bank of Montreal (BMO) priced US$1,580,000 of Senior Medium-Term Notes, Series K — Enhanced Return Notes linked to the shares of the SPDR® Gold Trust (GLD). The notes mature on May 21, 2029 and pay at maturity: if GLD's Final Level ≥ Initial Level, investors receive $1,000 plus 100.30% participation in upside; if GLD declines, investors lose 1% of principal for each 1% decline (full principal loss possible). The notes were sold at 100% of principal in minimum denominations of $1,000, carry no interest, will not be listed, are unsecured obligations of BMO and are subject to BMO credit risk. The initial estimated value was $986.60 per $1,000.

Bank of Montreal priced US$255,000 in Senior Medium-Term Notes, Series K — Callable Barrier Notes linked to the Least Performing of the Russell 2000® Index and the Nasdaq-100 Technology Sector Index. The Pricing Date was May 18, 2026, settlement is May 21, 2026, and maturity is April 21, 2028. The notes pay contingent monthly coupons of 0.8167% per month (approximately 9.80% per annum) when each reference asset closes at or above its coupon barrier on observation dates. If a Trigger Event occurs (final level of any reference asset below its Trigger Level on the Valuation Date April 18, 2028), the maturity payment equals $1,000 plus the Percentage Change of the Least Performing Reference Asset and may be less than principal. The cover states an estimated initial value of $964.04 per $1,000 on the Pricing Date. The public offering price was 100% ($1,000 per $1,000), with Agent’s Commission of 1.875% and proceeds to the issuer of 98.125%.

Bank of Montreal prices US$500,000 Senior Medium-Term Notes, Series K — Callable Buffer Notes due May 21, 2030.

The notes pay monthly contingent coupons of 1.1167% per month (approximately 13.40% per annum) if each Reference Asset on an Observation Date is at or above its Coupon Barrier Level. The notes return principal at maturity unless a Trigger Event occurs (Final Level below the Buffer Percentage of 30.00%), in which case holders receive $1,000 + $1,000×(Percentage Change of the Least Performing Reference Asset + 30.00%).

Bank of Montreal (BMO) priced $2,896,000 aggregate principal of Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Contingent Coupons linked to the common stock of Netflix, Inc. (NFLX). The Pricing Date is May 18, 2026, Settlement May 21, 2026, Valuation Date June 15, 2027, and Maturity Date June 21, 2027.

The notes pay a Contingent Coupon of 0.9317% per month (approximately 11.18% per annum) if the Reference Asset on each Observation Date is at or above the Coupon Barrier Level of $61.86 (69.00% of the Initial Level). Beginning on Nov 18, 2026, the notes are subject to automatic redemption if the closing level on an Observation Date is at or above the Call Level (100% of the Initial Level). If a Trigger Event occurs (Final Level below $61.86 on the Valuation Date), holders at maturity may receive a Physical Delivery Amount of shares or, at the issuer’s election, a Cash Delivery Amount calculated using the Final Level. The estimated initial value was $969.11 per $1,000.

Bank of Montreal priced US$4,242,000 Series K Senior Medium-Term Notes — Autocallable Barrier Notes with Contingent Coupons linked to the least performing of the S&P 500®, Russell 2000® and the XLU ETF. The notes pay a contingent coupon of 0.8458% per month (approximately 10.15% per annum) when each reference asset is at or above its 70.00% coupon barrier on observation dates. The notes mature on May 21, 2029, have a pricing date of May 18, 2026 and were offered at 100% of principal with an estimated initial value of $979.81 per $1,000. If not autocalled, maturity payment depends on the performance of the least performing reference asset and may result in loss of principal if a Trigger Event occurs (Final Level below 70.00% of Initial Level).

Bank of Montreal priced a structured note: US$923,000 Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes linked to the common stock of Alcoa Corporation. The notes pay a coupon of 2.75% per quarter (approximately 11.00% per annum), have an Initial Level of $62.59, a Trigger Level of $31.30 (50.00% of Initial Level) and a Call Level equal to the Initial Level. Pricing Date was May 18, 2026, Settlement Date May 21, 2026 and Maturity Date May 21, 2030. The notes are redeemable early if the Reference Asset closes above the Call Level on a Call Observation Date; if not redeemed, final payment depends on the Final Level on the Valuation Date (May 16, 2030) and may return less than principal if a Trigger Event occurs. The cover shows an estimated initial value of $952.97 per $1,000 and a public offering price at or near par.

Bank of Montreal priced a series of structured Senior Medium-Term Notes — equity-linked, auto-callable securities due May 23, 2029. Each security has a face amount of $1,000, an estimated initial value of $955.88 and a contingent coupon rate of 19.40% per annum payable monthly if the lowest-performing Underlier meets its coupon threshold.

Payments and automatic call outcomes depend solely on the lowest-performing Underlier among META, NVDA, and UNH (starting values: $611.21, $222.32, $391.13 on the pricing date). Principal at maturity can be reduced if that lowest-performing Underlier falls below its 60% downside threshold.

Bank of Montreal offers additional Energy -3X Inverse Leveraged ETNs due January 29, 2043 as an amendment to the February 14, 2023 pricing supplement. The tranche will total 3,000,000 notes (aggregate principal $75,000,000 as of May 20, 2026), with each note having a principal amount of $25.

The notes provide a daily resetting -3x inverse exposure to the Solactive MicroSectors17 Energy Index (ticker BIGOIL), net of a Daily Investor Fee of 0.95% per annum, any negative Daily Interest (based on the US Federal Funds Effective Rate minus an Interest Rate Spread) and a Redemption Fee of 0.125% on early redemptions. The issuer may adjust the Interest Rate Spread from 2.00% up to 4.00% and may call, replace the Index, or issue additional notes. These ETNs do not guarantee principal and are intended as short-term, daily trading instruments; the pricing supplement warns of path dependence, potential "decay," high volatility, possible total loss, and issuer credit risk.

Bank of Montreal priced and offered Market Linked Senior Medium-Term Notes (Series K), equity‑linked, auto‑callable securities linked to the lowest performing of Broadcom Inc., Palantir Technologies Inc. and Tesla, Inc., with a $1,000 face amount per security. The pricing date is May 18, 2026 and the issue date is May 21, 2026. The securities pay a contingent coupon at a 21.03% per annum rate monthly if the lowest performing underlier meets its coupon threshold (50% of starting value), feature a monthly automatic call test beginning November 2026, and return either the face amount or a reduced maturity payment tied to the lowest performing underlier on the final calculation day (May 18, 2029), exposing holders to full downside of that underlier. The initial estimated value per security was $957.12 and the original offering price was $1,000.

Bank of Montreal priced Market-Linked Senior Medium-Term Notes linked to the iShares® Expanded Tech-Software Sector ETF. The pricing date was May 18, 2026 and issue date May 21, 2026. The original offering price is $1,000 per security; our estimated initial value is $953.17 per security. The notes have an automatic call on May 21, 2027 with a 16.55% call premium and a stated maturity of May 23, 2029. If not called, maturity pay depends on the ending value of the Underlier: investors receive $1,000 plus leveraged upside at an upside participation rate of 125% when the ending value exceeds the starting value ($92.87); however, a threshold equal to 70% of the starting value ($65.009) protects only down to that level—if the ending value is below the threshold, investors bear full downside and may lose more than 30% of principal. Total offered in this tranche is $500,000. The securities are unsecured obligations of Bank of Montreal and are subject to issuer credit risk, limited liquidity, complex tax treatment, and other risks described in the supplement.

Bank of Montreal (BMO) priced Senior Medium-Term Notes, Series K: equity index-linked, market‑linked securities due November 24, 2028, with an original offering price of $1,000 per security and an estimated initial value of $965.52 per security on the pricing date. These unsecured notes pay a contingent quarterly coupon at a 7.05% per annum rate only if the lowest‑performing Underlier meets its coupon threshold on each quarterly calculation day, are auto‑callable if the lowest Underlier equals or exceeds its starting value on certain calculation days, and expose holders to downside principal risk if the lowest Underlier falls below its 60% downside threshold at maturity.

The pricing date was May 18, 2026, issue date May 21, 2026, and the Calculation Agent is BMO Capital Markets Corp. The securities are unsecured obligations of Bank of Montreal and are subject to the issuer’s credit risk. The agent discount is $23.25 per security.

Bank of Montreal priced a structured offering of Market Linked Securities due May 23, 2029 that are unsecured obligations of the bank and pay monthly contingent coupons at a 21.00% per annum rate if the lowest performing underlying meets a 50% coupon threshold. The securities were priced on May 18, 2026 with an original offering price of $1,000 and an estimated initial value of $955.80 per security. The underliers are the lowest-performing share of CrowdStrike (CRWD), Palantir (PLTR) and Tesla (TSLA), each with a starting value of $618.83, $135.14 and $409.99, respectively, and downside thresholds at 50% of those starting values. If not auto-called, principal at maturity is either the face amount or the face amount multiplied by the performance factor of the lowest performing underlier, exposing holders to full downside on that underlier. The securities carry credit risk of Bank of Montreal, limited secondary market expectations, and tax-treatment uncertainty for U.S. and non-U.S. holders.

Bank of Montreal priced Series K equity-linked market-linked notes due May 23, 2029. The offering is structured as auto-callable monthly securities linked to the lowest performing of Broadcom (AVGO), Blackstone (BX) and NVIDIA (NVDA). The original offering price is $1,000 per security and the estimated initial value at pricing was $956.85 per security. The securities pay a contingent monthly coupon at an 18.00% per annum rate subject to a 50% coupon threshold for each Underlier and may be automatically called if the lowest performing Underlier closes at or above its starting value on certain calculation days. At maturity, investors receive the face amount unless the lowest performing Underlier’s ending value is below its 50% downside threshold, in which case the maturity payment equals $1,000 × performance factor of that Underlier. The securities are unsecured obligations of Bank of Montreal and subject to its credit risk; they are not FDIC- or CDIC-insured and are complex with significant market, issuer credit and tax risks.

Bank of Montreal priced a series of unsecured senior medium-term, equity-linked notes due May 23, 2029 that are auto-callable monthly and pay a contingent coupon rate of 23.16% per annum (with a memory feature). The offering price was $1,000 per security and the issuer's estimated initial value per security was $946.56 on the pricing date.

The notes reference the lowest performing of Intel (INTC), Meta Platforms (META) and NVIDIA (NVDA), use monthly calculation days beginning June 18, 2026, and may be automatically called if the lowest performing underlier meets its call threshold on specified calculation days. At maturity, if not called, principal repayment equals either $1,000 or $1,000 × performance factor of the lowest performing underlier, exposing holders to full downside below the 50% downside threshold. The securities are subject to Bank of Montreal credit risk and complex tax and market risks.

Bank of Montreal priced US$2,401,000 Senior Medium‑Term Notes, Series K. The amended and restated pricing supplement sets maturity on May 15, 2031 and links payments to the least performing of the S&P 500, Russell 2000 and Dow Jones Industrial Average. The notes are autocallable beginning on May 12, 2027 with scheduled Observation Dates and Call Amounts that represent approximately 10.00% per annum if called. If not called, maturity payoff depends on the Least Performing Reference Asset and may be less than principal if a Trigger Event occurs (Final Level below a Trigger Level equal to 75.00% of each Initial Level). The document states an estimated initial value of $980.37 per $1,000 principal on the Pricing Date.

Bank of Montreal priced a US$6,306,000 offering of Senior Medium-Term Notes, Series K — Callable Barrier Notes with Contingent Coupons due May 17, 2032, linked to the S&P 500®, Russell 2000® and the Dow Jones Industrial Average®. The notes pay contingent quarterly coupons of 2.575% per quarter (approximately 10.30% per annum) if each reference asset on an Observation Date is at or above the 75.00% Coupon Barrier Level.

The notes are callable beginning May 12, 2027; if not called, maturity payout depends on the performance of the least performing reference asset and may be less than principal. Estimated initial value on the Pricing Date was $982.38 per $1,000; price to public is 100% with proceeds to Bank of Montreal of $6,306,000.

Bank of Montreal is offering principal-protected-notes‑style, non‑interest bearing structured notes linked to the S&P 500® Index under a preliminary pricing supplement (Registration Statement No. 333-285508). Each note has a $1,000 principal amount and an upside participation rate of 140%.

The notes pay at maturity based on the underlier return measured from the trade date to a determination date expected to be within 24–27 months. Investors receive the principal if the final underlier level declines by up to 12.50% (buffer). Declines beyond 12.50% result in downside exposure of approximately 1.1429% loss of principal for every 1% drop below 87.50% of the initial level. Returns are capped at a maximum settlement amount expected to be between $1,247.52 and $1,291.20 per $1,000 note. The issuer’s estimated initial value is expected to be $969.00–$999.00 per $1,000, which is less than the original issue price.

Bank of Montreal priced principal‑protected contingent notes linked to the S&P 500® Index totaling $18,695,000. The notes have a $1,000 principal amount, a stated maturity date of May 22, 2028 (subject to postponement), and pay no interest. At maturity the cash settlement per $1,000 depends on the index performance from the trade date (May 18, 2026) to the determination date (May 18, 2028), with an upside participation rate of 150%, a maximum settlement amount of $1,223.05 per note and a buffer of 15.00% (buffer level 6,292.5925). If the final underlier level is below the buffer level, holders incur losses that increase approximately 1.1765% per 1% decline below 85.00% of the initial underlier level. The issuer will receive proceeds of $18,371,576.50 after underwriting discounts. The notes are unsecured obligations of Bank of Montreal and are not listed.

Bank of Montreal (BMO) is offering principal-protected-style equity-linked notes tied to the S&P 500® Index with a $1,000 principal denomination and a stated maturity of September 13, 2028 (determination date September 11, 2028). The notes pay no interest and deliver a threshold settlement amount of $1,212.10 per $1,000 at maturity only if the final index level is at least 85.00% of the initial index level (initial level 7,403.05 on May 18, 2026). If the final level is below the threshold, holders lose approximately 1.1765% of principal for every 1% the final level is below the threshold and could lose all principal. The issuer is Bank of Montreal and payments are subject to its credit risk.

Bank of Montreal priced callable, principal‑at‑risk notes linked to the iShares® MSCI Emerging Markets ETF. The notes have a $1,000 principal amount per note, an initial underlier level $64.97 (trade date May 18, 2026) and an automatic call feature on the call observation date May 26, 2027. If automatically called, holders receive principal plus a 15.70% call premium on the call payment date May 28, 2027. If not called, maturity payoffs on the stated maturity date May 22, 2028 depend on final underlier performance versus the initial level, with a maturity date premium of 31.40%, an upside participation rate of 200%, and a downside threshold at $51.976 (80.00% of the initial underlier level). The estimated initial value was $993.06 per $1,000 principal amount and the original issue price equals $1,000 per note. Payments are unsecured obligations of Bank of Montreal and subject to its credit risk.

Bank of Montreal (BMO) priced US$1,786,000 of Senior Medium-Term Notes, Series K — Capped Contingent Risk Absolute Return Barrier Notes linked to the S&P 500® Index, with a Pricing Date of May 15, 2026, settlement on May 20, 2026, and maturity on May 20, 2031. The notes provide 1:1 upside participation subject to a Maximum Redemption Amount of $2,460.00 per $1,000 principal (a 146.00% cap). If the S&P 500 falls but finishes above the Barrier Level (80.00% of the Initial Level), investors receive a positive capped downside return up to $1,200.00 per $1,000 (a 20.00% return). If a Barrier Event occurs (final level below the Barrier Level), losses are linear: investors lose 1% of principal for each 1% decline in the index and may lose up to 100% of principal. All payments are subject to BMO credit risk and the notes pay no interest.

Bank of Montreal issued a pricing supplement for an offering of US$4,193,000 in Senior Medium‑Term Notes, Series K — Barrier Enhanced Return Notes due May 20, 2031. The notes provide 205.00% upside leverage on any appreciation of the S&P 500® Futures Excess Return Index and feature a 60.00% barrier (a 40.00% downside trigger). If the Final Level on the Valuation Date is at or above the Initial Level, holders receive $1,000 plus 205.00% times the Percentage Change per $1,000 principal. If the Final Level is below the Barrier, holders suffer a linear loss of principal equal to the Percentage Change, potentially losing up to 100% of principal. The notes pay no interest, are unsecured obligations of Bank of Montreal, will not be listed, and are subject to issuer credit risk. The Pricing Date and Valuation Date are both May 15, 2026 and May 15, 2031 respectively, with settlement on May 20, 2026 and maturity on May 20, 2031. The issuer’s initial estimated value was $957.23 per $1,000 principal; the price to public equals 100% ($1,000 per note).

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.

Bank of Montreal (BMO) is offering $6,225,000 of Senior Medium-Term Notes, Series K — Callable Barrier Notes due May 20, 2030, linked to the least performing of the Russell 2000® Index (RTY), the State Street® Consumer Staples Select Sector SPDR® ETF (XLP) and the Nasdaq-100 Technology Sector Index (NDXT).

The notes pay monthly contingent coupons of 1.1167% per month (approximately 13.40% per annum) when each Reference Asset on an Observation Date is >= its Coupon Barrier (75% of initial). The notes are callable by BMO beginning on November 17, 2026. At maturity, if any Reference Asset’s Final Level is below its Trigger Level (60% of initial), investors receive $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 is $972.94 per $1,000 in principal.

Bank of Montreal is offering US$1,364,000 of Senior Medium‑Term Notes, Series K: Autocallable Barrier Notes with Contingent Coupons linked to the Class A common stock of CoreWeave, Inc. (CRWV). The Pricing Date is May 15, 2026, Settlement Date May 20, 2026, Valuation Date May 16, 2029, and Maturity Date May 21, 2029.

The notes pay a contingent quarterly coupon of 9.0625% per quarter (approximately 36.25% per annum) if, on an Observation Date, the Reference Asset closes at or above the Coupon Barrier Level of $64.38 (60.00% of the Initial Level). The Initial Level is $107.30; Call Level is 100.00% of the Initial Level. If an Observation Date meets the call condition, the notes will be automatically redeemed and investors receive principal plus the contingent coupon then due.

At maturity, if not called and the Final Level is below the Trigger Level of $64.38, investors receive $1,000 × (Final Level / Initial Level), which can be less than principal. The estimated initial value on the Pricing Date was $945.74 per $1,000.

Bank of Montreal priced US$812,000 Senior Medium-Term Notes, Series K — Autocallable Buffer Notes linked to GLD and SLV. The notes pay a 0.8333% per month contingent coupon (about 10.00% per annum) when each reference ETF closes at or above its coupon barrier on observation dates.

If not autocalled, principal repayment at maturity on May 21, 2029 depends on the performance of the least performing reference asset; investors keep full principal unless that asset falls more than the 25.00% buffer (the Buffer Level equals 75.00% of Initial Level). The Pricing Date is May 15, 2026 and the estimated initial value was $902.19 per $1,000 principal amount.

Bank of Montreal priced US$2,825,000 Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with contingent quarterly coupons linked to Constellation Energy Corporation common stock (ticker CEG). The notes pay a 4.0625% per quarter contingent coupon (≈16.25% per annum) if the Reference Asset meets the Coupon Barrier on Observation Dates and may auto‑redeem if the Reference Asset is at or above the Call Level on an Observation Date. The Initial Level is $267.20, Coupon Barrier and Trigger Level are $160.32 (60.00% of Initial Level). Price to public is 100%, agent’s commission 2.00%, proceeds to Bank of Montreal $2,768,500. Estimated initial value on the Pricing Date was $962.70 per $1,000. Payment at maturity is cash only and depends on the Final Level on the Valuation Date; if a Trigger Event occurs, principal repayment at maturity will equal $1,000 × (Final Level / Initial Level).

Bank of Montreal priced US$536,000 Senior Medium-Term Notes, Series K — Autocallable Buffer Notes linked to the least performing of the S&P 500® Index and the VanEck® Gold Miners ETF. The Pricing Date is May 15, 2026, Settlement Date May 20, 2026, Valuation Date August 16, 2028 and Maturity Date August 21, 2028. The notes pay a Contingent Interest Rate of 0.6542% per month (approximately 7.85% per annum) when each Reference Asset is at or above its Coupon Barrier on Coupon Observation Dates, and are subject to an automatic redemption if both Reference Assets are at or above their Call Level on a Call Observation Date. At maturity, if a Trigger Event occurs (a Reference Asset's Final Level is below its Buffer Level), the cash payment equals $1,000 + [$1,000 x (Percentage Change of the Least Performing Reference Asset + Buffer Percentage)], exposing investors to losses up to 65.00% of principal. The Coupon Barrier Levels are $65.51 for GDX and 5,556.38 for SPX (75.00% of Initial Levels); Buffer Levels are $56.78 for GDX and 4,815.53 for SPX (65.00% of Initial Levels). The estimated initial value on the Pricing Date was $955.17 per $1,000 principal amount.

Bank of Montreal priced US$425,000 in Senior Medium-Term Notes, Series K—Autocallable Barrier Notes with Memory Coupons linked to CoreWeave, Inc. Class A common stock. The notes pay a contingent coupon of 2.1167% per month (approximately 25.40% per annum) if monthly observation levels meet the coupon barrier.

If not autocalled, principal at maturity depends on CoreWeave's final stock level versus a $53.65 trigger level (50.00% of the Initial Level); a Trigger Event can reduce the principal payoff below par. The estimated initial value was $946.43 per $1,000 on the pricing date.

Bank of Montreal priced US$10,315,000 Senior Medium-Term Series K Buffer Notes linked to the least performing of the NASDAQ-100 Index and the Dow Jones Industrial Average. The notes pay a monthly coupon equal to 0.6417% per month (approximately 7.70% per annum) and mature on June 21, 2027.

The structure returns principal at maturity unless a Trigger Event occurs (the Final Level of any Reference Asset is below its Buffer Level). The Buffer Level equals 80.00% of each Initial Level (a 20.00% buffer). If the Least Performing Reference Asset declines below the Buffer Level, the maturity payment is $1,000 + [$1,000 x (Percentage Change + 20.00%) x 125.00%], which can result in a loss of up to 100% of principal. The estimated initial value on the Pricing Date was $995.20 per $1,000 in principal amount.

Bank of Montreal priced US$669,000 Senior Medium‑Term Notes, Series K — Autocallable Barrier Notes linked to the least performing of Meta Platforms, Inc. and Tesla, Inc. The notes pay a contingent coupon of 1.2708% per month (approximately 15.25% per annum) if each reference asset on an Observation Date is at or above its coupon barrier. The notes mature on May 21, 2029 with a Valuation Date of May 16, 2029, and are subject to automatic redemption beginning on August 18, 2026 if on any Observation Date each Reference Asset is at or above its Call Level (90% of Initial Level). At maturity, if a Trigger Event occurred (Final Level of any Reference Asset < 50% of its Initial Level), the cash payment will equal $1,000 plus the percentage change of the least performing Reference Asset, which may result in a principal loss. The public offering price was 100% of principal with an estimated initial value of $963.45 per $1,000.

Bank of Montreal (BMO) priced a US$8,792,000 issue of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes with Memory Coupons due August 20, 2027, linked to the least performing of the S&P 500, NASDAQ-100 and Russell 2000.

The notes pay contingent monthly coupons of 1.0417% per month (approximately 12.50% per annum) when each reference asset closes at or above its Coupon Barrier (70% of initial). They are autocallable beginning on the observation date for November 17, 2026, and repay principal at maturity unless a Trigger Event and a negative final performance on the least performing index reduce payout. The estimated initial value was $985.13 per $1,000 on the pricing date.

Bank of Montreal issues US$10,805,000 Senior Medium-Term Notes, Series K — Autocallable Barrier Notes with Memory Coupons linked to GOOG, NFLX and GLW. The notes price on May 15, 2026, settle on May 20, 2026 and mature on May 21, 2029. They pay a contingent monthly coupon of 1.7958% per month if each reference asset closes at or above its 50% coupon barrier on observation dates, feature an automatic redemption if all reference assets close at or above their Call Level on an observation date, and pay at maturity an amount tied to the least performing reference asset subject to a 50% Trigger Level. The pricing supplement states an estimated initial value of $940.70 per $1,000 and a public offering price at or near par. The notes are unsecured obligations of the Bank and pay cash only at maturity; tax treatment and risks are described in the supplement.