Exhibit 10.1 AMENDMENT TO THE INDEMNIFICATION AGREEMENT THIS AMENDMENT (this "Amendment") is entered into as of the 12th day of May, 2005, by and among Atlantic Realty Trust ("Seller" ) and Kimco Realty Corporation ("Buyer") and amends the Indemnification Agreement entered into as of March 28, 2005 by and among the Seller and Buyer (the "Indemnification Agreement"). RECITALS A. Buyer and Seller have entered into the Indemnification Agreement which, inter alia, provides for a 45 day Exclusivity Period; and B. Buyer and Seller desire to extend the Exclusivity Period. NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows: AGREEMENT 1. The Indemnification Agreement is hereby amended to provide that all references therein to the Exclusivity Period shall refer to the period commencing on March 28th, 2005 and ending on June 12, 2005. All other provisions of the Indemnification Agreement shall remain in full force and effect in accordance with their terms. 2. The laws of the State of New York shall govern the validity, construction, enforcement, and interpretation of this Amendment, except for the conflict of law provisions thereof which would result in the application of the laws of another jurisdiction. This Amendment may be executed in a number of identical counterparts. If so executed, each of such counterparts is to be deemed an original for all purposes and all such counterparts shall, collectively, constitute one agreement. [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.] NOW WHEREFORE, the parties hereto have executed this Amendment as of the date first set forth above. SELLER: ------ ATLANTIC REALTY TRUST By: /s/ Edwin R. Frankel ------------------------------- Name: Edwin R. Frankel Title: Executive Vice President Chief Financial Officer Address for notices: Atlantic Realty Trust 747 3rd Avenue New York, New York 10017 Attention: Joel Pashcow With a copy to (which shall not constitute notice): Proskauer Rose LLP 1585 Broadway New York, New York 10036-8200 Attention: Peter M. Fass, Esq. [Signature Page to Amendment to Indemnification Agreement] BUYER: ----- KIMCO REALTY CORPORATION By: /s/ Bruce M. Kauderer ------------------------------- Name: Bruce M. Kauderer Title: Vice President Address for notices: Kimco Realty Corporation 3333 New Hyde Park Road New Hyde Park, New York 11042-0020 Attention: General Counsel With a copy to (which shall not constitute notice): Wachtell, Lipton, Rosen & Katz 51 West 52nd Street New York, NY 10019 Attention: Adam O. Emmerich, Esq. [Signature Page to Amendment to Indemnification Agreement]