Certificate of Amendment of the Company with respect to Fixed Rate Reset Perpetual Non-Cumulative Preferred Stock, Series H, filed August 22, 2022

Exhibit 4.1

Form 540 Prescribed by:

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Certificate of Amendment

(For-Profit, Domestic Corporation)

Filing Fee: $50

Form Must Be Typed

ATTACHMENT TO CERTIFICATE OF AMENDMENT

TO THE THIRD AMENDED AND RESTATED ARTICLES OF INCORPORATION

OF KEYCORP

RESOLVED, that pursuant to the authority granted to and vested in the pricing subcommittee (the “Subcommittee”) of the Risk Committee (the “Committee”) of the Board of Directors of KeyCorp (the “Corporation”), pursuant to authority conferred upon the Subcommittee by resolutions of the Board of Directors of the Corporation adopted by unanimous written consent on July 6, 2022, and resolutions of the Committee adopted at a meeting held on August 17, 2022, and in accordance with Section 1701.70(B)(1) of the Ohio Revised Code and Article IV of the Corporation’s Third Amended and Restated Articles of Incorporation, as amended (the “Articles”), the Subcommittee hereby establishes the terms of the Corporation’s Fixed Rate Reset Perpetual Non-Cumulative Preferred Stock, Series H, $1.00 par value per share, and fixes and determines the authorized number of shares of the series and the dividend rate of the shares of the series, with such designations, and certain other preferences, and relative, participating, optional or other special rights, and the qualifications, limitations and restrictions thereof as previously established by the Committee, with the Articles hereby amended to add such terms as Part L of Article IV of the Articles as set forth below:

PART L

EXPRESS TERMS OF FIXED RATE RESET PERPETUAL NON-CUMULATIVE PREFERRED STOCK, SERIES H

Section 1. Designation. The distinctive serial designation of such series shall be “Fixed Rate Reset Perpetual Non-Cumulative Preferred Stock, Series H” (“Series H”). Each share of Series H shall be identical in all respects to every other share of Series H. Series H will rank (i) equally with Parity Stock, if any, with respect to the payment of dividends and the distribution of assets in the event of any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation and (ii) senior to Junior Stock with respect to the payment of dividends or the distribution of assets in the event of any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation.

Section 2. Number of Shares. The number of authorized shares of Series H shall be 600,000. Such number may from time to time be increased (but not in excess of the total number of authorized shares of all preferred stock minus the total number of authorized shares of other series of Preferred Stock) or decreased (but not below the number of shares of Series H then outstanding) by the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation. Shares of Series H that are redeemed, purchased or otherwise acquired by the Corporation shall be cancelled and shall revert to authorized but unissued shares of Preferred Stock undesignated as to series, and available for subsequent issuance.

Section 3. Definitions. As used herein with respect to Series H:

(a) “Articles of Incorporation” means the Third Amended and Restated Articles of Incorporation of the Corporation, as may be amended from time to time, and shall include this Part L of Article IV.

(b) “Board of Directors” means the board of directors of the Corporation.

(c) “Business Day” means any day, other than a Saturday or Sunday, that is neither a legal holiday nor any other day on which banking institutions and trust companies in New York, New York or Cleveland, Ohio are permitted or required by any applicable law to close.

(d) “Calculation Agent” means such bank or other entity (which may be the Corporation or an affiliate of the Corporation) as may be appointed by the Corporation to act as Calculation Agent for the Series H, including any successor calculation agent duly appointed by the Corporation.

(e) “Common Shares” means the common shares, $1.00 par value per share, of the Corporation.

(f) “Depositary Company” shall have the meaning set forth in Section 6(d) hereof.

(g) “Dividend Payment Date” shall have the meaning set forth in Section 4(a) hereof.

(h) “Dividend Period” shall have the meaning set forth in Section 4(a) hereof.

(i) “DTC” means The Depository Trust Company, together with its successors and assigns.

(j) “Federal Reserve” means the Board of Governors of the Federal Reserve System.

(k) “First Reset Date” means December 15, 2027.

(l) “Five-Year Treasury Rate” means, as of any Reset Date, the average of the yields on actively traded U.S. treasury securities adjusted to constant maturity, for five-year maturities, for the five Business Days immediately preceding the Reset Dividend Determination Date for that Reset Period, appearing under the caption “Treasury Constant Maturities” in the most recently published statistical release designated H.15 Daily Update or any successor publication which is published by the Federal Reserve as of 5:00 p.m. (Eastern Time) as of any Reset Dividend Determination Date, as determined by the Calculation Agent in its sole discretion; provided that if no such calculation can be determined as described above, then:

If the Calculation Agent has determined a substitute or successor base rate in accordance with second bullet point immediately above but no calculation with respect to such substitute or successor base rate can be determined as of any subsequent Reset Dividend Determination Date, then a new substitute or successor base rate shall be determined as set forth in the first or second bullet point immediately above, as applicable, as if the previously-determined substitute or successor base rate was the treasury rate. If the Calculation Agent has determined a substitute or successor base rate, then the Calculation Agent will apply any technical, administrative or operational changes that the Corporation determines (including changes to the definitions of “Dividend Period,” “Reset Period,” “Reset Date” and “Reset Dividend Determination Date,” timing and frequency of determining rates with respect to each Reset Period and making payments of dividends, rounding of amounts or tenors, and other administrative matters) for calculating such substitute or successor base rate in a manner that is consistent with market practice for such substitute or successor base rate, including any adjustment factor needed to make such substitute or successor base rate comparable to the treasury rate; provided that, if the Corporation decides that adoption of any portion of such market practice is not administratively feasible or if the Corporation determines that no market practice for use of the substitute or successor base rate exists, the Calculation Agent will apply any such changes for calculating such substitute or successor base rate in such other manner as the Corporation determines is reasonably necessary.

The Five-Year Treasury Rate shall be determined by the Calculation Agent on the Reset Dividend Determination Date. If the Five-Year Treasury Rate for any Dividend Period cannot be determined pursuant to the methods described in the first and second bullet points above, the dividend rate for such Dividend Period shall be the same as the dividend rate determined for the immediately preceding Dividend Period.

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(m) “Junior Stock” means the Common Shares and any other class or series of stock of the Corporation hereafter authorized over which Series H has preference or priority in the payment of dividends or in the distribution of assets on any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation.

(n) “Parity Stock” means any other class or series of stock of the Corporation, including the shares of preferred stock of the Corporation designated as Fixed-to-Floating Rate Perpetual Non-Cumulative Preferred Stock, Series D; Fixed-to-Floating Rate Perpetual Non-Cumulative Preferred Stock, Series E; Fixed Rate Perpetual Non-Cumulative Preferred Stock, Series F; and Fixed Rate Perpetual Non-Cumulative Preferred Stock, Series G, that ranks equally with Series H in the payment of dividends and in the distribution of assets on any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation.

(o) “Redemption Price” shall have the meaning set forth in Section 6(a) hereof.

(p) “Regulations” means the Third Amended and Restated Regulations of the Corporation, as amended, as may be further amended from time to time.

(q) “Regulatory Capital Treatment Event” means the Corporation’s determination, in good faith, that, as a result of any:

there is more than an insubstantial risk that the Corporation will not be entitled to treat the full liquidation value of all shares of Series H then outstanding as “additional tier 1 capital” (or its equivalent) for purposes of the capital adequacy guidelines or regulations of Federal Reserve, as then in effect and applicable, for as long as any share of Series H is outstanding.

(r) “Reset Date” means the First Reset Date and each date falling on the fifth anniversary of the preceding Reset Date, which in each case, shall not be adjusted for Business Days.

(s) “Reset Dividend Determination Date” means the third Business Day immediately preceding the Reset Date.

(t) “Reset Period” means the period from, and including, the First Reset Date to, but excluding, the next following Reset Date and thereafter each period from, and including, each Reset Date to, but excluding, the next following Reset Date.

(u) “Series H” shall have the meaning set forth in Section 1 hereof.

Section 4. Dividends.

(a) Rate. Dividends on the Series H will not be mandatory. Holders of Series H shall be entitled to receive, if, as and when declared by the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation, but only out of assets legally available therefor, non-cumulative cash dividends on the

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liquidation preference of $1,000.00 per share of Series H, quarterly in arrears, on each March 15, June 15, September 15 and December 15, commencing December 15, 2022 (each, a “Dividend Payment Date”). Dividends shall accrue at an annual rate equal to (i) 6.200% per annum on the liquidation preference of $1,000.00 per share from the original issue date to, but excluding, the First Reset Date and (ii) from, and including, the First Reset Date, during each Reset Period, a rate per annum equal to the Five-Year Treasury Rate as of the most recent Reset Date, plus 3.132% on the liquidation preference of $1,000.00 per share. If the Corporation issues additional shares of the Series H after the original issue date, dividends on such shares may accrue from the original issue or any other date specified by the Board of Directors or any duly authorized committee of the Board of Directors at the time such additional shares are issued. In the event that any Dividend Payment Date falls on a date that is not a Business Day, then payment of any dividend payable on such date will be made on the next succeeding Business Day (without interest or other payment in respect of such delay). The period from, and including, any Dividend Payment Date to, but excluding, the next succeeding Dividend Payment Date is a “Dividend Period”; provided, however, that the initial Dividend Period shall be the period from, and including, the date of original issuance of the Series H to, but excluding, December 15, 2022. The record date for payment of dividends on the Series H on a Dividend Payment Date shall be the 15th calendar day before such Dividend Payment Date (provided, however, that if any such day is not a Business Day, then the record date will be the next succeeding day that is a Business Day) or such other date as determined by the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation. On such Dividend Payment Date, dividends shall be paid to the holder of record, as they appear on the Corporation’s stock register on the applicable record date. The amount of dividends payable for any Dividend Period, including dividends payable for any partial Dividend Period, shall be calculated on the basis of a 360-day year consisting of twelve 30-day months. Dividends on the Series H will cease to accrue on the redemption date, if any, with respect to the Series H redeemed, unless the Corporation defaults in the payment of the redemption price of the Series H called for redemption. Dollar amounts resulting from that calculation will be rounded to the nearest cent, with one-half cent being rounded upward. Notwithstanding any other provision hereof, dividends on the Series H shall not be declared, paid or set aside for payment to the extent such act would cause the Corporation to fail to comply with laws, rules and regulations applicable thereto, including applicable regulatory capital rules.

(b) Noncumulative Dividends. Dividends on shares of Series H shall be non-cumulative. To the extent that any dividends payable on the shares of Series H on any Dividend Payment Date are not declared and paid, in full or otherwise, on such Dividend Payment Date, then such dividends shall not be cumulative and shall not be payable for such Dividend Period, and the Corporation shall have no obligation to pay, and the holders of Series H shall have no right to receive, dividends for such Dividend Period after the Dividend Payment Date for such Dividend Period or interest with respect to such dividends, whether or not dividends are declared for any subsequent Dividend Period with respect to Series H, Parity Stock, Junior Stock or any other class or series of authorized preferred stock of the Corporation. No interest, or sum of money in lieu of interest, shall be payable in respect of any dividend not declared.

(c) Priority of Dividends. So long as any share of Series H remains outstanding, (i) no dividend shall be declared or paid or set aside for payment and no distribution shall be declared or made or set aside for payment on any Junior Stock (other than a dividend payable solely in Junior Stock, or any dividend or distribution of capital stock or rights to acquire capital stock of the Corporation in connection with a shareholders’ rights plan or any redemption or repurchase of capital stock or rights to acquire capital stock under any such plan) and (ii) no shares of Junior Stock shall be repurchased, redeemed or otherwise acquired for consideration by the Corporation, directly or indirectly (other than (A) as a result of a reclassification of Junior Stock for or into other Junior Stock, (B) the exchange or conversion of one share of Junior Stock for or into another share of Junior Stock, (C) through the use of the proceeds of a substantially contemporaneous sale of other shares of Junior Stock, (D) purchases, redemptions or other acquisitions of shares of Junior Stock pursuant to any employment contract, benefit plan or other similar arrangement with or for the benefit of employees, officers, directors or consultants, (E) purchases of shares of Junior Stock pursuant to a contractually binding requirement to buy Junior Stock existing prior to or during the most recent preceding Dividend Period for which the full dividends for the then most recently completed Dividend Period on all outstanding shares of Series H have been declared and paid or declared and a sum sufficient for the payment thereof has been set aside, including under a contractually binding stock repurchase plan, or (F) the purchase of fractional interests in shares of Junior Stock pursuant to the conversion or exchange provisions of such stock or the security being converted or exchanged), nor shall any monies be paid to or made available for a sinking fund for the redemption of any such securities by the Corporation; unless, in each case, the full dividends on all outstanding

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shares of Series H for the then most recently completed Dividend Period have been declared and paid in full (or declared and a sum sufficient for the payment in full thereof has been set aside for such payment). When dividends are not paid in full upon the shares of Series H and any Parity Stock, all dividends declared upon shares of Series H and any such Parity Stock shall be declared on a proportional basis. For purposes of calculating the proportional allocation of partial dividend payments, the Corporation shall allocate dividend payments based on the ratio between the then-current dividends due on the shares of the Series H and (i) in the case of any series of Parity Stock that is non-cumulative preferred stock, the aggregate of the current and unpaid dividends due on such series of preferred stock, and (ii) in the case of any series of Parity Stock that is cumulative preferred stock, the aggregate of the current and accumulated and unpaid dividends due on such series of preferred stock. No interest will be payable in respect of any declared but unpaid dividend payment on shares of Series H that is paid after the relevant Dividend Payment Date for such Dividend Period. If the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation determines not to pay any dividend or a full dividend on the Series H on a Dividend Payment Date, the Corporation will provide, or cause to be provided, written notice (which may be in the form of a press release or other public announcement) to the holders of the Series H prior to such date. Subject to the foregoing, and not otherwise, such dividends (payable in cash, stock or otherwise) as may be determined by the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation may be declared and paid on any Junior Stock and any Parity Stock from time to time out of any assets legally available therefor, and the holders of shares of Series H shall not be entitled to participate in any such dividend.

Section 5. Liquidation Rights.

(a) Voluntary or Involuntary Liquidation. In the event of any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation, holders of Series H shall be entitled, out of assets legally available therefor, before any distribution of the assets of the Corporation may be made to the holders of any Junior Stock, and subject to the rights of the holders of any class or series of securities ranking senior to the Series H upon liquidation and the rights of the Corporation’s depositors and other creditors, to receive in full a liquidating distribution in the amount of the liquidation preference of $1,000.00 per share, plus any declared and unpaid dividends, without regard to any undeclared dividends. The holders of Series H shall not be entitled to any other amounts in the event of any such voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation other than what is expressly provided for in this Section 5.

(b) Partial Payment. If in any distribution described in Section 5(a) above the assets of the Corporation are not sufficient to pay in full the liquidation preference plus any declared and unpaid dividends in full to all holders of Series H and all holders of any Parity Stock ranking equally as to such distribution with the Series H, the amounts paid to the holders of Series H and to the holders of all such other Parity Stock shall be paid pro rata in accordance with the respective aggregate liquidation preferences plus any declared and unpaid dividends on the Series H and all such Parity Stock.

(c) Residual Distributions. If the liquidation preference plus any declared and unpaid dividends has been paid in full to all holders of Series H and all holders of any Parity Stock ranking equally as to such distribution with the Series H, the holders of Junior Stock shall be entitled to receive all remaining assets of the Corporation according to their respective rights and preferences.

(d) Merger, Consolidation and Sale of Assets Not Liquidation. For purposes of this Section 5, the sale, lease or exchange (for cash, securities or other property) of all or substantially all of the property and assets of the Corporation shall not constitute a voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation, nor shall the merger, consolidation or any other business combination transaction of the Corporation into or with any other entity or the merger, consolidation or any other business combination transaction of any other entity into or with the Corporation in which the holders of Series H receive cash, securities or other property for their shares of Series H, constitute a voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation.

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Section 6. Redemption.

(a) Optional Redemption. The Corporation, at the option of its Board of Directors or any duly authorized committee of the Board of Directors of the Corporation and subject to prior Federal Reserve approval, may redeem in whole or in part the shares of Series H at the time outstanding, on the Dividend Payment Date on December 15, 2027, or on any Dividend Payment Date thereafter, upon notice given as provided in Section 6(b) below. The redemption price for shares of Series H shall be $1,000.00 per share plus dividends that have been declared but not paid, without regard to, or payment of, any undeclared dividends (the “Redemption Price”). Notwithstanding the foregoing, at any time within 90 days following the occurrence of a Regulatory Capital Treatment Event, the Corporation, at its option and subject to prior Federal Reserve approval, may provide notice of its intent to redeem, as provided in Section 6(b) below, and subsequently redeem, all (but not less than all) of the shares of Series H at the time outstanding at the Redemption Price applicable on such date of redemption.

(b) Notice of Redemption. Notice of every redemption of shares of Series H shall be either (1) mailed by first class mail, postage prepaid, addressed to the holders of record of such shares to be redeemed at their respective last addresses appearing on the stock register of the Corporation or (2) transmitted by such other method approved by the Depositary Company, in its reasonable discretion, to the holders of record of such shares to be redeemed. Such mailing or transmittal shall not be less than 30 days and not more than 60 days before the date fixed for redemption. Notwithstanding the foregoing, if the Series H is held in book-entry form through DTC, the Corporation may give such notice in any manner permitted by DTC. Any notice provided pursuant to this Section 6(b) shall be conclusively presumed to have been duly given, whether or not the holder receives such notice, but failure duly to provide such notice, or any defect in such notice or in the provision thereof, to any holder of shares of Series H designated for redemption shall not affect the validity of the proceedings for the redemption of any other shares of Series H. Each notice shall state (i) the redemption date; (ii) the number of shares of Series H to be redeemed and, if less than all the shares held by such holder are to be redeemed, the number of such shares to be redeemed from such holder (or the method of determining such number); (iii) the Redemption Price; (iv) the place or places where the certificates evidencing such shares of Series H are to be surrendered for payment of the Redemption Price; and (v) that dividend rights on the shares to be redeemed will cease on the redemption date.

(c) Partial Redemption. In case of any redemption of only part of the shares of Series H at the time outstanding, the shares of Series H to be redeemed shall be selected either pro rata from the holders of record of Series H in proportion to the number of Series H held by such holders or by lot, provided that if the Series H is held in book-entry form through DTC, such shares may be selected in any manner required by DTC. Subject to the provisions of this Section 6, the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors shall have full power and authority to prescribe the terms and conditions upon which shares of Series H shall be redeemed from time to time.

(d) Effectiveness of Redemption. If notice of redemption has been duly given and if on or before the redemption date specified in the notice all funds necessary for the redemption have been set aside by the Corporation, separate and apart from its other assets, for the benefit of the holders of the shares called for redemption, so as to be and continue to be available therefor, or deposited by the Corporation with a bank or trust company selected by the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors (the “Depositary Company”) for the benefit of the holders of the shares called for redemption, then, notwithstanding that any certificate for any share so called for redemption has not been surrendered for cancellation, on and after the redemption date all shares so called for redemption shall cease to be outstanding, all dividend rights with respect to such shares will cease on the redemption date, and all rights with respect to such shares shall forthwith on such redemption date cease and terminate, except only the right of the holders thereof to receive the amount payable on such redemption from the trust fund set aside by the Corporation or from the bank or trust company where the funds have been deposited at any time after the redemption date from such funds, without interest. The Corporation shall be entitled to receive, from time to time, from the Depositary Company any interest accrued on such funds, and the holders of any shares called for redemption shall have no claim to any such interest. Any funds so deposited and unclaimed at the end of three years from the redemption date shall, to the extent permitted by law, be released or repaid to the Corporation, and in the event of such repayment to the Corporation, the holders of record of the shares so called for redemption shall be deemed to be unsecured creditors of the Corporation for an amount equivalent to the amount deposited as stated above for the redemption of such shares and so repaid to the Corporation, but shall in no event be entitled to any interest.

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Section 7. Voting Rights. The holders of Series H shall not have any voting rights except as expressly provided in the Articles of Incorporation, including Section 2 of Part A of Article IV, and except as shall be affirmatively provided in the Ohio General Corporation Law.

Section 8. Conversion. The holders of Series H shall not have any rights to convert such Series H into shares of any other class of capital stock of the Corporation.

Section 9. Rank. Notwithstanding anything set forth in the Articles of Incorporation or the Regulations to the contrary, the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation, without the vote of the holders of the Series H, may authorize and issue additional shares of Junior Stock, Parity Stock or, subject to the voting rights granted in Section 2(e)(i) of Part A of Article IV, any class of securities ranking senior to the Series H as to dividends and the distribution of assets upon any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Corporation.

Section 10. Repurchase. The Corporation may purchase Series H from time to time to such extent, in such manner, and upon such terms as the Board of Directors of the Corporation or any duly authorized committee of the Board of Directors of the Corporation may determine, subject to any required prior Federal Reserve approval; provided, however, that the Corporation shall not use any of its funds for any such purchase when there are reasonable grounds to believe that the Corporation is, or by such purchase would be, rendered insolvent or the funds are otherwise not legally available therefor under applicable law.

Section 11. No Sinking Fund. The Series H will not be subject to any mandatory redemption, sinking fund or other similar provisions. Holders of Series H will have no right to require redemption or repurchase of any shares of Series H.

Section 12. Record Holders. To the fullest extent permitted by applicable law, the Corporation and any transfer agent for the Series H may deem and treat the record holder of any share of Series H as the true and lawful owner thereof for all purposes, and neither the Corporation nor such transfer agent shall be affected by any notice to the contrary.

Section 13. Notices. All notices or communications in respect of the Series H shall be sufficiently given if given in writing and delivered in person or by first class mail, postage prepaid, or if given in such other manner as may be permitted in the Articles of Incorporation or Regulations or by applicable law.

Section 14. No Preemptive Rights. No share of Series H shall have any rights of preemption whatsoever as to any securities of the Corporation, or any warrants, rights or options issued or granted with respect thereto, regardless of how such securities, or such warrants, rights or options, may be designated, issued or granted.

Section 15. Other Rights. The shares of Series H shall not have any voting powers, preferences or relative, participating, optional or other special rights, or qualifications, limitations or restrictions thereof, other than as set forth herein or in the Articles of Incorporation or as provided by applicable law.

Section 16. Certificates. The Corporation may at its option issue shares of Series H without certificates.

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