EXHIBIT 10.6 DIVERSIFIED INVESTMENTS PORTFOLIO SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT THIS SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT (this "Amendment") is made and entered into as of the 21st day of January, 2004, by and among MHC OPERATING LIMITED PARTNERSHIP (together with its affiliates, designees and assigns, the "Purchaser"), an Illinois limited partnership having an address of Two North Riverside Plaza, Suite 800, Chicago, Illinois 60606, DIVERSIFIED INVESTMENTS SERVICES, LLC ("Diversified"), a Delaware limited liability company having an address of 7625 Wisconsin Avenue, Suite 150, Bethesda, Maryland 20814, and the Sellers, each having an address of c/o Diversified Investments Services, LLC, 7625 Wisconsin Avenue, Suite 150, Bethesda, Maryland 20814. R E C I T A L S: A. The parties hereto have entered into that certain Purchase and Sale Agreement dated as of December 8, 2003 (the "Original Agreement") as amended by that certain First Amendment to Purchase and Sale Agreement dated December, 23, 2003 (the "First Amendment," together with the Original Agreement, the "Purchase Agreement"). Capitalized terms used but not otherwise defined herein shall have the meanings set forth in the Purchase Agreement. B. The parties hereto desire to amend the Purchase Agreement as hereinafter provided. THEREFORE, the parties hereto agree to amend the Purchase Agreement as follows: A G R E E M E N T: 1. Reference is hereby made to that certain Amended and Restated Subscription Agreement dated as of January, 2004 (the "Subscription Agreement") by and among Purchaser and Resort Communities, LLC, a Delaware limited liability company ("Resort"), Diversified Investments-RC, LLC, a Delaware limited liability company ("DI-RC"), North South Communities, LLC, a Delaware limited liability company ("North South"), Diversified Investments-NS, LLC, a Delaware limited liability company ("DI-NS"), Select Resort Communities, LLC, a Delaware limited liability company ("Select"), Diversified Investments-SRC, LLC, a Delaware limited liability company ("DI-SRC"), Buccaneer Communities, L.P., a Delaware limited partnership ("Buccaneer"), Diversified Investments-BC, Inc., a Delaware corporation, or such other limited liability company as may be substituted for Diversified Investments-BC, Inc. (Collectively, "DI-BC"), Tampa Bay Communities, L.P., a Delaware limited partnership ("Tampa Bay"), Diversified Investments-TBC, Inc., a Delaware corporation, or such other limited liability company as may be substituted for Diversified Investments-TBC, Inc. (collectively, "DI-TBC"), Diverse Communities, LLC, a Delaware limited liability company ("Diverse"), and Diversified Investments - Flozona, LLC, a Delaware limited liability company ("DI-Flozona"). 1 2. Section 5 A of the Purchase Agreement is hereby amended to read as follows: 5. A CLOSING DATES. The closing ("Closing") of the transaction contemplated by this Agreement (i.e., the payment of the Purchase Price, the transfer and assignment of the Equity Interests, the transfer of title to the applicable Individual Properties (if applicable), and the satisfaction of all other terms and conditions of this Agreement) shall be commenced simultaneously with the closing of the transaction as contemplated by the Subscription Agreement (as referenced in Section 9 H hereof) on January 30, 2004 (the "Closing Date"). Notwithstanding anything contained herein to the contrary, and subject to the provisions of Section 5C(v) below, (i) the Closing Date for the Cactus Gardens Property shall occur upon a date which is mutually agreed upon by the parties hereto but which is after the expiration or waiver of the defeasance lockout period for the mortgage loan encumbering such property, but in no event earlier than January 30, 2004 or later than May 15, 2004, (ii) in such event the Purchase Price allocated to the Cactus Gardens Property shall be $7,725,141, and (iii) an allocable portion of the Earnest Money based on Purchase Price allocations shall be held back as Earnest Money for the Cactus Gardens Closing. If the date of Closing above provided for falls on a Saturday, Sunday or legal holiday, the Closing Date shall take place on the next business day. The terms of the First Amendment shall continue to modify this Section 5 A. 3. Section 9 D of the Purchase Agreement is hereby deleted, provided that Equity Seller of the _______________ property and the ____________ property shall jointly indemnify Purchaser for any loss or damage sustained by a failure of the requirements set forth in Section 9 D, limited, however, to the extent of $25,000 in the aggregate, and which amount shall be credited against Seller's obligations under the Holdback Escrow provided in Section 7G. 4. Section 9 H of the Purchase Agreement is amended by adding the following at the end thereof: "and the conditions precedent under the Subscription Agreement have all been satisfied and the closing thereunder has commenced." 5. EFFECT. Except as amended herein, all terms and provisions contained in the Purchase Agreement shall remain in full force and effect. 6. COUNTERPARTS. This Amendment may be executed in one or more counterparts, all of which taken together shall constitute one and the same agreement. [SIGNATURE PAGES FOLLOW] 2 IN WITNESS WHEREOF, the parties have executed this Amendment as of the respective dates set forth below. WITNESSES: PURCHASER: __________________________________ MHC OPERATING PARTNERSHIP, Name:_____________________________ an Illinois limited partnership __________________________________ Name:_____________________________ By: MANUFACTURED HOME COMMUNITIES, INC., a Maryland corporation, its general partner By:__________________________________ Name:_____________________________ Title:____________________________ Date: January ___, 2004 3 WITNESSES: SELLERS: __________________________________ COACHWOOD COLONY MHP, LLC, a Florida Name:_____________________________ limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - COACHWOOD COLONY MHP, LLC, a Florida limited liability company, as its Sole and Managing Member By: _________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - COACHWOOD COLONY MHP, LLC, a Florida __________________________________ limited liability company Name:_____________________________ __________________________________ By: __________________________________ Name:_____________________________ Barry L. Haase Manager WITNESSES: SHANGRI-LA MOBILE HOME PARK, L.P., a Delaware limited partnership, authorized to transact business in the State of __________________________________ Florida as SHANGRI-LA MOBILE HOME PARK OF Name:_____________________________ LARGO, LTD. __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - SHANGRI-LA, INC., a Delaware corporation, as its General Partner By: _________________________________ Barry L. Haase Chairman 4 WITNESSES: DIVERSIFIED INVESTMENTS - SHANGRI-LA, INC., a Delaware corporation __________________________________ Name:_____________________________ By: ________________________________ __________________________________ Barry L. Haase Name:_____________________________ Chairman WITNESSES: TAMPA BAY COMMUNITIES, L.P., a Florida limited partnership __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - TBC, INC., __________________________________ a Florida corporation, as its Name:_____________________________ General Partner By: _________________________ Barry L. Haase CEO WITNESSES: SIXTH AVENUE, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - SIXTH __________________________________ AVENUE LLC, a Florida limited Name:_____________________________ liability company, as its Sole and Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - SIXTH AVENUE, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: ________________________________ __________________________________ Barry L. Haase Name:_____________________________ Manager 5 WITNESSES: SOUTHERNAIRE MHP, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - __________________________________ SOUTHERNAIRE, LLC, a Florida limited Name:_____________________________ liability company, as its Sole and Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - SOUTHERNAIRE, LLC, a Florida limited liability company __________________________________ By:_______________________________ Name:_____________________________ Barry L. Haase __________________________________ Manager Name:_____________________________ WITNESSES: TERRA CEIA, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - TERRA CEIA, __________________________________ LLC, a Florida limited liability Name:_____________________________ company, as its Sole and Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - TERRA CEIA, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: ________________________________ __________________________________ Barry L. Haase Name:_____________________________ Manager 6 WITNESSES: TOPICS RVP, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - TOPICS __________________________________ RVP, LLC, a Florida limited liability Name:_____________________________ company, as its Sole and Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - TOPICS RVP, LLC, a Florida limited liability company __________________________________ Name:_____________________________ By: __________________________________ __________________________________ Barry L. Haase Name:_____________________________ Manager WITNESSES: GOOSE CK, LLC, a North Carolina limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - GC, LLC, a __________________________________ North Carolina limited liability Name:_____________________________ company, as its Sole Member By: EAST WEST COMMUNITIES, LLC, a Delaware limited liability company, as its Sole Member By: DIVERSIFIED INVESTMENTS - EW, LLC, a Delaware limited liability company, as its Managing Member By:__________________________ Barry L. Haase Managing Member 7 WITNESSES: DIVERSIFIED INVESTMENTS - GC, LLC, a North Carolina limited liability company __________________________________ Name:_____________________________ By: EAST WEST COMMUNITIES, LLC, a __________________________________ Delaware limited liability company, Name:_____________________________ as its Sole Member By: DIVERSIFIED INVESTMENTS - EW, LLC, a Delaware limited liability company, as its Managing Member By: ___________________________ Barry L. Haase Managing Member WITNESSES: WATERWAY RV, LLC, a Delaware limited liability company __________________________________ Name:_____________________________ By: SIERRA LAKES, L.L.C., a Delaware __________________________________ limited liability company, as its Name:_____________________________ Sole and Managing Member By: DIVERSIFIED INVESTMENTS PARTNERS, LLC, a Delaware limited liability company, as its Managing Member By:______________________________ Barry L. Haase Managing Member WITNESSES: SIERRA LAKES, L.L.C., a Delaware limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS PARTNERS, __________________________________ LLC, a Delaware limited liability Name:_____________________________ company, as its Managing Member By: _______________________________ Barry L. Haase Managing Member 8 WITNESSES: CACTUS GARDENS RV, LLC, an Arizona limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - CACTUS __________________________________ GARDENS, LLC, an Arizona limited Name:_____________________________ liability company, as its Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - CACTUS GARDENS, LLC, an Arizona limited liability company __________________________________ Name:_____________________________ By: __________________________________ __________________________________ Barry L. Haase Name:_____________________________ Manager WITNESSES: DESERT PARADISE RV, LLC, an Arizona limited liability company __________________________________ Name:_____________________________ By: SIERRA LAKES, L.L.C., a Delaware __________________________________ limited liability company, as its Name:_____________________________ Sole and Managing Member By: DIVERSIFIED INVESTMENTS PARTNERS, LLC, a Delaware limited liability company, as its Managing Member By:______________________________ Barry L. Haase Managing Member 9 WITNESSES: SUNI SANDS, LLC, an Arizona limited liability company __________________________________ Name:_____________________________ By: DIVERSIFIED INVESTMENTS - SUNI SANDS, __________________________________ LLC, an Arizona limited liability Name:_____________________________ company, as its Sole and Managing Member By: ________________________________ Barry L. Haase Manager WITNESSES: DIVERSIFIED INVESTMENTS - SUNI SANDS, LLC, an Arizona limited liability company __________________________________ By: ___________________________________ Name:_____________________________ Barry L. Haase __________________________________ Manager Name:_____________________________ WITNESSES: DIVERSIFIED INVESTMENTS SERVICES, LLC, a Delaware limited liability company __________________________________ Name:_____________________________ By: __________________________________ __________________________________ Name: Barry L. Haase Name:_____________________________ Title: Manager 10