GUARANTY AGREEMENT

GUARANTY AGREEMENT

This Guaranty Agreement (this “ Guaranty ”) is made as of the 29th day of June, 2009, by Sun Communities Operating Limited Partnership, a Michigan limited partnership (“ Guarantor ”), in favor of Bank of America, N.A., a national banking association (together with its successors and assigns, “ Lender ”).

Recitals

Knollwood Estates Operating Company LLC, a Michigan limited liability company, Sun River Ridge Limited Partnership, a Michigan limited partnership, and Sun Countryside Gwinnett LLC, a Michigan limited liability company (collectively, the “ Borrower ”) have requested that Lender make a loan (the “ Loan ”) to Borrower evidenced by a Promissory Note of even date herewith in the original principal amount of Eighteen Million Five Hundred Forty One Thousand Two Hundred Fifty and No/100 Dollars ($18,541,250.00) made by Borrower to the order of Lender (as the same may from time to time be amended, supplemented, restated or otherwise modified, the “ Note ”). Certain terms and conditions of the Loan are set forth in the Term Loan Agreement of even date herewith between Borrower and Lender (as the same may from time to time be amended, supplemented, restated or otherwise modified, the “ Loan Agreement ”). As a condition precedent to making the Loan, Lender has required that Guarantor execute and deliver this Guaranty to Lender. Any capitalized term used and not defined in this Guaranty shall have the meaning given to such term in the Loan Agreement.

Agreements

For good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and in order to induce Lender to make the Loan to Borrower, Guarantor hereby guarantees to Lender the prompt and full payment and performance of the indebtedness and obligations described below in this Guaranty (collectively called the “ Guaranteed Obligations ”), this Guaranty being upon the following terms and conditions:

Guarantor hereby unconditionally and irrevocably guarantees to Lender the punctual payment when due, whether by lapse of time, by acceleration of maturity, or otherwise, of all principal, interest (including interest accruing after maturity and after the commencement of any bankruptcy or insolvency proceeding by or against Borrower, whether or not allowed in such proceeding), prepayment premiums, fees, late charges, costs, expenses, indemnification indebtedness, and other sums of money now or hereafter due and owing, or which Borrower is obligated to pay, pursuant to the terms of the Note, the Loan Agreement, the Mortgage, the Environmental Agreement, any of the other Loan Documents, or any Swap Contract, as the same may from time to time be amended, supplemented, restated or otherwise modified (collectively, the “ Indebtedness ”). The Indebtedness includes all costs and expenses incurred by Lender in seeking to enforce Lender’s rights and remedies with respect to the Indebtedness, including court costs, costs of alternative dispute resolution and reasonable attorneys’ fees, whether or not suit is filed or other proceedings are initiated thereon. This Guaranty covers the Indebtedness presently outstanding and the Indebtedness arising subsequent to the date hereof, including all amounts advanced by Lender in stages or installments. The guaranty of Guarantor as set forth in this Section is a continuing guaranty of payment and not a guaranty of collection.

(a)        This Guaranty is an absolute, irrevocable and unconditional guaranty of payment and performance, and Guarantor shall be liable for the payment and performance of the Guaranteed Obligations as a primary obligor. This Guaranty shall be effective as a waiver of, and Guarantor hereby expressly waives, any right to which Guarantor may otherwise have been entitled, whether existing under statute, at Law or in equity, to require Lender to take prior recourse or proceedings against any collateral, security or Person. It shall not be necessary for Lender, in order to enforce such payment or performance by Guarantor, first to institute suit or pursue or exhaust any rights or remedies against Borrower or other Person liable on such indebtedness or for such performance, or to enforce any rights against any security given to secure such indebtedness or performance, or to join Borrower or any other Person liable for the payment or performance of the Guaranteed Obligations or any part thereof in any action to enforce this Guaranty, or to resort to any other means of obtaining payment or performance of the Guaranteed Obligations; provided, however, that nothing herein contained shall prevent Lender from suing on the Note or foreclosing the Mortgageor exercising any other right under the Loan Documents.

(b)       Suit may be brought or demand may be made against Borrower or against any or all parties who have signed this Guaranty or any other guaranty covering all or any part of the Guaranteed Obligations, or against any one or more of them, separately or together, without impairing the rights of Lender against any party hereto.

(c)        The liability of Guarantor or any other Person hereunder for Guaranteed Obligations arising out of or related to the Environmental Agreement shall not be limited or affected in any way by any provision in this Guaranty, the other Loan Documents or applicable Law limiting the liability of Borrower, Guarantor or such other Person, or Lender’s recourse or rights to a deficiency judgment.

(a)        Guarantor agrees that neither Lender’s rights or remedies nor Guarantor’s obligations under the terms of this Guaranty shall be released, diminished, impaired, reduced or affected by any one or more of the following events, actions, facts, or circumstances, and the liability of Guarantor under this Guaranty shall be absolute, unconditional and irrevocable irrespective of:

(i)        any limitation on the liability of, or recourse against, any other Person in any Loan Document or arising under any Law;

(ii)       any claim or defense that this Guaranty was made without consideration or is not supported by adequate consideration or that the obligations of Guarantor hereunder exceed or are more burdensome than those of Borrower under the other Loan Documents;

(iii)      the taking or accepting of any other security or guaranty for, or right of recourse with respect to, any or all of the Guaranteed Obligations;

(iv)      the operation of any statutes of limitation or other Laws regarding the limitation of actions, all of which are hereby waived as a defense to any action or proceeding brought by Lender against Guarantor, to the fullest extent permitted by Law;

(vi)      any release, surrender, abandonment, exchange, alteration, sale or other disposition, subordination, deterioration, waste, failure to protect or preserve, impairment, or loss of, or any failure to create or perfect any lien or security interest with respect to, or any other dealings with, any collateral or security at any time existing or purported, believed or expected to exist in connection with any or all of the Guaranteed Obligations, or any impairment of Guarantor’s recourse against any Person or collateral;

(vii)     whether express or by operation of Law, any partial release of the liability of Guarantor hereunder (except to the extent expressly so released) or any complete or partial release of Borrower or any other Person liable, directly or indirectly, for the payment or performance of any or all of the Guaranteed Obligations;

(viii)    the death, insolvency, bankruptcy, disability, dissolution, liquidation, termination, receivership, reorganization, merger, consolidation, change of form, structure or ownership, sale of all assets, or lack of corporate, partnership or other power of Borrower or any other Person at any time liable for the payment or performance of any or all of the Guaranteed Obligations;

(ix)      either with or without notice to or consent of Guarantor, any renewal, extension, modification, supplement, subordination or rearrangement of the terms of any or all of the Guaranteed Obligations and/or any of the Loan Documents, including material alterations of the terms of payment (including changes in maturity date(s) and interest rate(s)) or performance (including changes with respect to the construction of the Improvements) or any other terms thereof, or any waiver, termination, or release of, or consent to departure from, any of the Loan Documents or any other guaranty of any or all of the Guaranteed Obligations, or any adjustment, indulgence, forbearance, or compromise that may be granted from time to time by Lender to Borrower or any other Person at any time liable for the payment or performance of any or all of the Guaranteed Obligations;

(x)       any neglect, lack of diligence, delay, omission, failure, or refusal of Lender to take or prosecute (or in taking or prosecuting) any action for the collection or enforcement of any of the Guaranteed Obligations, or to foreclose or take or prosecute any action to foreclose (or in foreclosing or taking or prosecuting any action to foreclose) upon any security therefor, or to exercise (or in exercising) any other right or power with respect to any security therefor, or to take or prosecute (or in taking or prosecuting) any action in connection with any Loan Document, or any failure to sell or otherwise dispose of in a commercially reasonable manner any collateral securing any or all of the Guaranteed Obligations;

(xi)      any failure of Lender to notify Guarantor of any creation, renewal, extension, rearrangement, modification, supplement, subordination, or assignment of the Guaranteed Obligations or any part thereof, or of any Loan Document, or of any release of or change in any security, or of the occurrence or existence of any Default or Event of Default, or of any other action taken or refrained from being taken by Lender against Borrower or any security or other recourse, or of any new agreement between Lender and Borrower, it being understood that Lender shall not be required to give Guarantor any notice of any kind under any circumstances with respect to or in connection with the Guaranteed Obligations, any and all rights to notice Guarantor may have otherwise had being hereby waived by Guarantor, and Guarantor shall be responsible for obtaining for itself information regarding Borrower, including any changes in the business or financial condition of Borrower, and Guarantor acknowledges and agrees that Lender shall have no duty to notify Guarantor of any information which Lender may have concerning Borrower;

(xii)     the existence of any claim, counterclaim, set-off or other right that Guarantor may at any time have against Borrower, Lender, or any other Person, whether or not arising in connection with this Guaranty, the Note, the Loan Agreement, the Environmental Agreement or any other Loan Document;

(xiii)    the unenforceability of all or any part of the Guaranteed Obligations against Borrower, whether because the Guaranteed Obligations exceed the amount permitted by Law or violate any usury law, or because the Persons creating the Guaranteed Obligations acted in excess of their authority, or because of a lack of validity or enforceability of or defect or deficiency in any of the Loan Documents, or because Borrower has any valid defense, claim or offset with respect thereto, or because Borrower’s obligation ceases to exist by operation of Law, or because of any other reason or circumstance, it being agreed that Guarantor shall remain liable hereon regardless of whether Borrower or any other Person be found not liable on the Guaranteed Obligations, or any part thereof, for any reason (and regardless of any joinder of Borrower or any other party in any action to obtain payment or performance of any or all of the Guaranteed Obligations);

(xiv)    any order, ruling or plan of reorganization emanating from proceedings under Title 11 of the United States Code with respect to Borrower or any other Person, including any extension, reduction, composition, or other alteration of the Guaranteed Obligations, whether or not consented to by Lender, or any action taken or omitted by Lender in any such proceedings, including any election to have Lender’s claim allowed as being secured, partially secured or unsecured, any extension of credit by Lender in any such proceedings or the taking and holding by Lender of any security for any such extension of credit;

(xv)      any other condition, event, omission, action that would in the absence of this paragraph result in the release or discharge of the Guarantor from the performance or observance of any obligation, covenant or agreement contained in this Guaranty or any other agreement;

(xvii)   Lender’s enforcement or forbearance from enforcement of the Guaranteed Obligations on a net or gross basis; or

(xviii)  any liability, irregularity or unenforceability in whole or in part (including with respect to any netting provision) of any Swap Contract or any confirmation, instrument or agreement required thereunder or related thereto, or any transaction entered into thereunder, or any limitation on the liability of Borrower thereunder or any limitation on the method or terms of payment thereunder which may now or hereafter be caused or imposed in any manner whatsoever.

(b)       In the event any payment by Borrower or any other Person to Lender is held to constitute a preference, fraudulent transfer or other voidable payment under any bankruptcy, insolvency or similar Law, or if for any other reason Lender is required to refund such payment or pay the amount thereof to any other party, such payment by Borrower or any other party to Lender shall not constitute a release of Guarantor from any liability hereunder, and this Guaranty shall continue to be effective or shall be reinstated (notwithstanding any prior release, surrender or discharge by Lender of this Guaranty or of Guarantor), as the case may be, with respect to, and this Guaranty shall apply to, any and all amounts so refunded by Lender or paid by Lender to another Person (which amounts shall constitute part of the Guaranteed Obligations), and any interest paid by Lender and any attorneys’ fees, costs and expenses paid or incurred by Lender in connection with any such event.

(c)        It is the intent of Guarantor and Lender that the obligations and liabilities of Guarantor hereunder are absolute, irrevocable and unconditional under any and all circumstances and that until the Guaranteed Obligations are fully and finally paid and performed, and not subject to refund or disgorgement, the obligations and liabilities of Guarantor hereunder shall not be discharged or released, in whole or in part, by any act or occurrence that might, but for the provisions of this Guaranty, be deemed a legal or equitable discharge or release of a guarantor.

(d)       Guarantor’s obligations shall not be affected, impaired, lessened or released by loans, credits or other financial accommodations now existing or hereafter advanced by Lender to Borrower in excess of the Guaranteed Obligations. All payments, repayments and prepayments of the Loan, whether voluntary or involuntary, received by Lender from Borrower, any other Person or any other source (other than from Guarantor pursuant to a demand by Lender hereunder), and any amounts realized from any collateral for the Loan, shall be deemed to be applied first to any portion of the Loan which is not covered by this Guaranty, and last to the Guaranteed Obligations, and this Guaranty shall bind Guarantor to the extent of any Guaranteed Obligations that may remain owing to Lender. Lender shall have the right to apply any sums paid by Guarantor to any portion of the Loan in Lender’s sole and absolute discretion.

(e)        If acceleration of the time for payment of any amount payable by Borrower under the Note, the Loan Agreement, any other Loan Document, or any Swap Contract is stayed or delayed by any Law or tribunal, all such amounts shall nonetheless be payable by Guarantor on demand by Lender.

If, for any reason whatsoever, Borrower is now or hereafter becomes indebted to Guarantor, until the Guaranteed Obligations are paid in full

(a)        such indebtedness and all interest thereon and all liens, security interests and rights now or hereafter existing with respect to property of Borrower securing such indebtedness shall, at all times, be subordinate in all respects to the Guaranteed Obligations and to all liens, security interests and rights now or hereafter existing to secure the Guaranteed Obligations;

(b)       Guarantor hereby assigns and grants to Lender a security interest in all such indebtedness and security therefor, if any, of Borrower to Guarantor now existing or hereafter arising, including any dividends and payments pursuant to debtor relief or insolvency proceedings referred to below. In the event of receivership, bankruptcy, reorganization, arrangement or other debtor relief or insolvency proceedings involving Borrower as debtor, Lender shall have the right to prove its claim in any such proceeding so as to establish its rights hereunder and shall have the right to receive directly from the receiver, trustee or other custodian (whether or not an Event of Default shall have occurred or be continuing under any of the Loan Documents), dividends and payments that are payable upon any obligation of Borrower to Guarantor now existing or hereafter arising, and to have all benefits of any security therefor, until the Guaranteed Obligations have been fully and finally paid and performed. If, notwithstanding the foregoing provisions, Guarantor should receive any payment, claim or distribution that is prohibited as provided above in this Section, Guarantor shall pay the same to Lender immediate