WARRANT TO PURCHASE PREFERRED STOCK

Exhibit 4.3

WARRANT TO PURCHASE PREFERRED STOCK

THE SECURITIES REPRESENTED BY THIS INSTRUMENT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE TRANSFERRED, SOLD OR OTHERWISE DISPOSED OF EXCEPT WHILE A REGISTRATION STATEMENT RELATING THERETO IS IN EFFECT UNDER SUCH ACT AND APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT OR SUCH LAWS. THIS INSTRUMENT IS ISSUED SUBJECT TO THE RESTRICTIONS ON TRANSFER AND OTHER PROVISIONS OF A SECURITIES PURCHASE AGREEMENT BETWEEN THE ISSUER OF THESE SECURITIES AND THE INVESTOR REFERRED TO THEREIN, A COPY OF WHICH IS ON FILE WITH THE ISSUER. THE SECURITIES REPRESENTED BY THIS INSTRUMENT MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT IN COMPLIANCE WITH SAID AGREEMENT. ANY SALE OR OTHER TRANSFER NOT IN COMPLIANCE WITH SAID AGREEMENT WILL BE VOID.

WARRANT
to purchase

92.00092

Shares of Preferred Stock

of Monadnock Bancorp, Inc.

Issue Date: December 19, 2008

      1.     Definitions . Unless the context otherwise requires, when used herein the following terms shall have the meanings indicated.

       "Board of Directors" means the board of directors of the Company, including any duly authorized committee thereof.

       "business day" means any day except Saturday, Sunday and any day on which banking institutions in the State of New York generally are authorized or required by law or other governmental actions to close.

       "Charter" means, with respect to any Person, its certificate or articles of incorporation, articles of association, or similar organizational document.

       "Company" means the Person whose name, corporate or other organizational form and jurisdiction of organization is set forth in Item 1 of Schedule A hereto.

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       "Exchange Act" means the Securities Exchange Act of 1934, as amended, or any successor statute, and the rules and regulations promulgated thereunder.

       "Exercise Price" means the amount set forth in Item 2 of Schedule A hereto.

       "Expiration Time" has the meaning set forth in Section 3.

       "Issue Date" means the date set forth in Item 3 of Schedule A hereto.

       "Liquidation Amount" means the amount set forth in Item 4 of Schedule A hereto.

       "Original Warrantholder" means the United States Department of the Treasury. Any actions specified to be taken by the Original Warrantholder hereunder may only be taken by such Person and not by any other Warrantholder.

       "Person" has the meaning given to it in Section 3(a)(9) of the Exchange Act and as used in Sections 13(d)(3) and 14(d)(2) of the Exchange Act.

       "Preferred Stock" means the series of perpetual preferred stock set forth in Item 5 of Schedule A hereto.

       "Purchase Agreement" means the Securities Purchase Agreement - Standard Terms incorporated into the Letter Agreement, dated as of the date set forth in Item 6 of Schedule A hereto, as amended from time to time, between the Company and the United States Department of the Treasury (the "Letter Agreement"), including all annexes and schedules thereto.

       "Regulatory Approvals" with respect to the Warrantholder, means, to the extent applicable and required to permit the Warrantholder to exercise this Warrant for shares of Preferred Stock and to own such Preferred Stock without the Warrantholder being in violation of applicable law, rule or regulation, the receipt of any necessary approvals and authorizations of, filings and registrations with, notifications to, or expiration or termination of any applicable waiting period under, the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the rules and regulations thereunder.

       "SEC' means the U.S. Securities and Exchange Commission.

       "Securities Act" means the Securities Act of 1933, as amended, or any successor statute, and the rules and regulations promulgated thereunder.

       "Shares" has the meaning set forth in Section 2.

       "Warrantholder" has the meaning set forth in Section 2.

       "Warrant" means this Warrant, issued pursuant to the Purchase Agreement.

      2.     Number of Shares; Exercise Price . This certifies that, for value received, the United States Department of the Treasury or its permitted assigns (the "Warrantholder") is entitled, upon the terms and subject to the conditions hereinafter set forth, to acquire from the

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Company, in whole or in part, after the receipt of all applicable Regulatory Approvals, if any, up to an aggregate of the number of fully paid and nonassessable shares of Preferred Stock set forth in Item 7 of Schedule A hereto (the "Shares"), at a purchase price per share of Preferred Stock equal to the Exercise Price.

      3.     Exercise of Warrant; Term . Subject to Section 2, to the extent permitted by applicable laws and regulations, the right to purchase the Shares represented by this Warrant is exercisable, in whole or in part by the Warrantholder, at any time or from time to time after the execution and delivery of this Warrant by the Company on the date hereof, but in no event later than 5:00 p.m., New York City time on the tenth anniversary of the Issue Date (the "Expiration Time"), by (A) the surrender of this Warrant and Notice of Exercise annexed hereto, duly completed and executed on behalf of the Warrantholder, at the principal executive office of the Company located at the address set forth in Item 8 of Schedule A hereto (or such other office or agency of the Company in the United States as it may designate by notice in writing to the Warrantholder at the address of the Warrantholder appearing on the books of the Company), and (B) payment of the Exercise Price for the Shares thereby purchased, by having the Company withhold, from the shares of Preferred Stock that would otherwise be delivered to the Warrantholder upon such exercise, shares of Preferred Stock issuable upon exercise of the Warrant with an aggregate Liquidation Amount equal in value to the aggregate Exercise Price as to which this Warrant is so exercised.

      If the Warrantholder does not exercise this Warrant in its entirety, the Warrantholder will be entitled to receive from the Company within a reasonable time, and in any event not exceeding three business days, a new warrant in substantially identical form for the purchase of that number of Shares equal to the difference between the number of Shares subject to this Warrant and the number of Shares as to which this Warrant is so exercised. Notwithstanding anything in this Warrant to the contrary, the Warrantholder hereby acknowledges and agrees that its exercise of this Warrant for Shares is subject to the condition that the Warrantholder will have first received any applicable Regulatory Approvals.

      4.     Issuance of Shares: Authorization . Certificates for Shares issued upon exercise of this Warrant will be issued in such name or names as the Warrantholder may designate and will be delivered to such named Person or Persons within a reasonable time, not to exceed three business days after the date on which this Warrant has been duly exercised in accordance with the terms of this Warrant. The Company hereby represents and warrants that any Shares issued upon the exercise of this Warrant in accordance with the provisions of Section 3 will be duly and validly authorized and issued, fully paid and nonassessable and free from all taxes, liens and charges (other than liens or charges created by the Warrantholder, income and franchise taxes incurred in connection with the exercise of the Warrant or taxes in respect of any transfer occurring contemporaneously therewith). The Company agrees that the Shares so issued will be deemed to have been issued to the Warrantholder as of the close of business on the date on which this Warrant and payment of the Exercise Price are delivered to the Company in acco