BANK OF MONTREAL /CAN/ (BMO) SEC Filings, May 4-5, 2026

Bank of Montreal priced US$10,724,000 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 May 08, 2028 and pay no interest. Investors receive 1:1 upside participation capped at a Maximum Redemption Amount of $1,226.00 per $1,000 (a 22.60% return). If the S&P 500® ends between the Initial Level (7,230.12) and the Buffer Level (5,784.10, 80.00% of Initial Level), investors receive a positive return up to a Maximum Downside Redemption Amount of $1,200.00 per $1,000. If the Final Level is below the Buffer Level, holders lose 1% of principal for each 1% decline beyond the 20.00% buffer, with potential principal loss up to 80.00%. All payments are subject to Bank of Montreal credit risk; notes are unsecured and unlisted.

Bank of Montreal priced a market-linked note series (face amount $1,000) linked to the Nasdaq-100 Index® with a stated maturity date of June 2, 2028. The securities offer 200% upside participation subject to a maximum return of at least $232.00 (23.20%). The securities provide a 10% downside buffer (threshold = 90% of the starting value) and pay at maturity a cash amount that depends on the ending value measured on the calculation day (May 30, 2028), with 1-to-1 downside beyond the buffer. The original offering price is $1,000 per security and proceeds to Bank of Montreal are $974.25 per security. The issuer estimates an initial value of $966.00 per security (not less than $920.00), and notes significant model, market and credit risks, limited secondary market liquidity, and uncertain U.S. federal tax treatment.

Bank of Montreal priced a preliminary offering of Senior Medium-Term Notes, Series K: market-linked notes linked to the Russell 2000® Index with a stated maturity date of June 2, 2028 and a face amount of $1,000 per security. The notes provide 200% upside participation up to a maximum return of at least 26% (at least $260) and a 10% buffer against losses; if the ending value is below the 90% threshold you incur 1-to-1 downside beyond the buffer (up to 90% of face amount).

The pricing date was May 28, 2026; the issuer’s estimated initial value was $966.90 per security (not less than $920.00 at pricing). Agent discount is $25.75, proceeds to issuer $974.25, and the calculation day is May 30, 2028. Payments are unsecured obligations of Bank of Montreal and subject to issuer credit risk.

Bank of Montreal priced a preliminary offering of senior medium-term notes (equity-linked, auto-callable with contingent monthly coupons and a contingent downside principal-at-risk feature) linked to the lowest performing common stock of Intel, Micron and Starbucks. The original offering price is $1,000 per security, the issuer's estimated initial value is $965.40 per security (no less than $915.00 at pricing) and the minimum contingent coupon rate will be 38.00% per annum. Pricing date is May 15, 2026, issue date May 20, 2026 and stated maturity is May 18, 2029. Payments (monthly contingent coupons, automatic call and final maturity payment) depend solely on the lowest performing Underlier each calculation day; if the lowest Underlier’s ending value on the final calculation day is below 70% of its starting value, the maturity payment will be reduced pro rata (possible loss of more than 30% or all principal). The securities are unsecured obligations of Bank of Montreal and subject to its credit risk.

Bank of Montreal offers principal-protected-structured notes linked to the iShares® Expanded Tech-Software Sector ETF (IGV). Each note has a $1,000 principal amount and does not pay interest. If the final underlier level is ≥90.00% of the initial level, holders receive a threshold settlement amount (expected $1,155.00–$1,181.90 per $1,000). If below 90.00%, investors lose approximately 1.1111% of principal for every 1% the final level is below the threshold and may lose some or all principal. Notes are unsecured obligations of Bank of Montreal, not listed, and designed to be held to maturity; initial estimated value is expected to be $952.50–$982.50 per $1,000, which is below the original issue price.

Bank of Montreal is offering US$1,322,000 of Senior Medium-Term Notes, Series K: Autocallable Barrier Notes linked to the common stock of Palo Alto Networks, Inc. (PANW). The notes priced April 30, 2026, settle May 05, 2026 and mature May 05, 2028.

The notes pay contingent quarterly coupons of 2.9625% per quarter (approximately 11.85% per annum) if the Reference Asset closes on an Observation Date at or above the Coupon Barrier Level of $89.66 (50.00% of the Initial Level). The notes are automatically redeemed if the Reference Asset closes on an Observation Date at or above the Call Level (100% of the Initial Level). At maturity, if the Final Level is below the Trigger Level of $89.66, investors may receive a Physical Delivery Amount equal to $1,000 divided by the Initial Level in shares (or a cash amount), which can result in a loss of principal. The estimated initial value was $969.15 per $1,000. These are unsecured obligations of BMO and are not deposit insured; they involve significant risks.

Bank of Montreal offers Series K equity-linked, auto-callable notes due May 3, 2029. The pricing supplement sets an original offering price of $1,000 per security and an estimated initial value of $953.24 per security as of the pricing date. The securities pay a contingent coupon of 25.80% per annum monthly when the lowest-performing underlying stock meets its coupon threshold, are linked to the lowest performing of LULU, NOW and TSLA (starting values: $137.70, $88.31, $381.63 respectively as of April 30, 2026), and carry downside principal risk if the lowest-performing Underlier falls below 50% of its starting value. The issue date is May 5, 2026 and the stated maturity is May 3, 2029. Payments are unsecured obligations of Bank of Montreal and are subject to the issuer’s credit risk.

Bank of Montreal (BMO) priced a structured note offering: senior medium-term, equity-linked, market-linked securities linked to Boston Scientific Corporation (BSX) with a $1,000 face amount and an estimated initial value of $959.10 per security.

The securities pay a contingent monthly coupon at 8.37% per annum (with a memory feature), are auto-callable if BSX closes at or above the starting value on specified monthly calculation days between October 2026 and March 2028, and mature on May 3, 2028. If not called and the ending value is below the downside threshold (75% of the starting value = $43.2075), holders receive 23.14413 shares of BSX per security (or cash for fractional shares) and therefore bear downside equity risk; upside participation is limited to coupons only.

Bank of Montreal is offering Market Linked Senior Medium‑Term Notes due May 3, 2028, equity‑linked to the lowest performing of Lockheed Martin (LMT), Packaging Corp. of America (PKG) and Qualcomm (QCOM). Pricing date was April 30, 2026 and issue date May 5, 2026. The securities pay a contingent monthly coupon at a 9.35% per annum rate if the lowest performing underlier on a calculation day is at or above 50% of its starting value; the coupon has a "memory" feature for missed payments. The securities are auto‑callable if the lowest performing underlier on certain calculation days from July 2026 through March 2028 closes at or above its starting value. At maturity you receive $1,000 unless the lowest performing underlier finishes below its 50% downside threshold, in which case the maturity payment equals $1,000 × performance factor (full downside exposure). The issuer's estimated initial value was $935.19 per security and the original offering price was $1,000 per security. These are unsecured obligations of Bank of Montreal and subject to its credit risk.