**Exhibit 10.56****FIRST AMENDMENT TO SHOPPING CENTER LEASE AGREEMENT**This First Amendment to Shopping Center Lease Agreement (this **Amendment**) is made and entered intothis ___ day of June, 2007 between Pavillion North, Ltd., a Texas limited partnership (**Landlord**)and Dover Saddlery Retail, Inc., a Massachusetts corporation (**Tenant**).BACKGROUND:A. Landlord and Tenant entered into that certain Shopping Center Lease Agreement dated May 24,2007 (**Lease**) with respect to certain Demised Premises located in the Pavillion North ShoppingCenter, City of Dallas, State of Texas; all as more particularly described in the Lease. B. Tenant wishes to increase the Work Allowance (as defined in the Lease) by $100,000.00 (theAdditional Allowance, as defined in the Lease) per the terms of Exhibit C, Section VII andLandlord agrees to such request based on the following terms and conditions. C. As a result of the increase of the Work Allowance, the Minimum Guaranteed Rental will beincreased by the amount needed to amortize the Additional Allowance over seven (7) years at 9%per annum.AGREEMENT:In consideration of the foregoing, TEN AND NO/100 DOLLARS ($10.00) and other good and valuableconsideration the receipt and sufficiency of which is hereby acknowledged and confessed, Landlordand Tenant agree as follows:1. Section VII of Exhibit C is deleted in its entirety and replaced with the following:   “Landlord will pay Tenant up to $126,890 (the “**Work Allowance**”) as a reimbursement forTenant’s bona fide (and verified) construction expenses paid to parties not related toTenant. Landlord shall make up to three (3) progress payments to Tenant as work progresseswithholding the final twenty-five percent (25%) of the Work Allowance (the “Final Payment”).Tenant’s Final Payment request will be processed only upon (i) completion of allimprovements to Landlord’s satisfaction and specifications, (ii) Tenant’s delivery toLandlord of a true copy of its Certificate of Occupancy (or similar governmental occupancypermit), (iii) Landlord’s satisfaction that all bills have been paid to Tenant’s contractor,subcontractors and professionals, including appropriate lien waivers from said persons, and(iv) Tenant’s commencement of business in the Demised Premises.” 2. Section 1(k) of the Lease is deleted in its entirety and replaced with the following:   “If Tenant does not exercise its option to renew as provided for in EXHIBIT “I” ofthe Lease, the “Minimum Guaranteed Rental” per month, payable in advance shall be asfollows:         Month 1: $1,608.91 plus $2,110.87 totaling: $3,719.78 Months 2-24: $1,608.91 plus $5,378.00 totaling: $6,986.91 Months 25-59: $1,608.91 plus $5,534.86 totaling: $7,143.77 Month 60: $42,361.39      If Tenant does exercise its option to renew as provided for in EXHIBIT “I” of theLease, the Minimum Guaranteed Rental for month 60 shall be $7,143.77 and the remainingmonths of the extension shall be as set forth in EXHIBIT “I” attached hereto.” 3. Section 1(p) of the Lease is deleted in its entirety and replaced with the following:   “Prepaid Rental”: $3,719.78, being Tenant’s Minimum Guaranteed Rental, Tenant’sshare of the estimated Common Area maintenance charges, real estate taxes, insurance andTenant’s periodic payment of the Additional Allowance for the first (1st) monthof the Lease Term, payable upon execution hereof. 4. EXHIBIT “I” of the Lease shall be deleted in its entirety and replaced with theattached EXHIBIT “I”.
 

 
5. Except as hereby amended, the Lease shall remain unchanged and in full force and effect. Ifthere is any conflict between the terms and provisions of the Lease and the terms andprovisions of this Amendment, this Amendment shall control. 6. All terms and definitions used in this Amendment not herein defined are to be given thedefinition of the term as provided in the Lease, unless specifically stated otherwise. Landlord and Tenant have executed this Amendment as of the day and year first above written.             **LANDLORD**:   **TENANT**:               Pavillion North Ltd.,   Dover Saddlery Retail, Inc.,  a Texas limited partnership   a Massachusetts corporation               By: Pavillion North Management, L.L.C., By:                   a Texas limited liability company,        Its general partner Name:                          Title:                                By:                           Lou B. Cagle, President        
 

 
**EXHIBIT “I”****OPTION/S TO RENEW**1. Provided Tenant is not in default of its obligations under this Lease at the date of suchexercise and subject to Section 21 (i), Tenant shall have the option to renew this Lease fortwo (2) subsequent period(s) of five (5) year(s), from the expiration of thePrimary Term of this Lease. Landlord may treat any option as having not been exercised if Tenantis in default of any such obligations at the date of commencement of the renewal period inquestion.2. The option(s) aforesaid must be exercised in writing delivered by Tenant to Landlord not laterthan three (3) months prior to the expiration of the Primary Term, or as the case may be, anysubsequent renewal period, and failing which the said option(s) shall be waived by Tenant.3. The terms and provisions applicable to the above renewal period(s) shall be the same as apply tothe Primary Term of this Lease, except that (i) rent shall be as set forth in Section 4 below, (ii)Tenant shall have no further right to renew this Lease after the expiration of the renewalperiod(s) above, and (iii) Landlord shall not be required to pay any allowance or perform any workwith respect to the renewal period(s).4. The Minimum Guaranteed Rental payable during the renewal period(s) shall be:       1st five (5) year option Years 6 — 7 $1,608.91 plus $5,870.98 totaling $7,479.89 per month  Year 8 $13.20 psf $5,870.98 per month  Years 9 — 10 $13.60 psf $6,095.07 per month       2nd five (5) year option Years 11 — 12 $14.10 psf $6,319.15 per month  Years 13 — 15 $15.00 psf $6,722.50 per month