Exhibit 10.3 Amendment to Cost Sharing and Administrative Services Agreement This Amendment to Cost Sharing and Administrative Services Agreement (the "Amendment") dated as of January 2, 1997 by and among PSCC, Inc., a California corporation ("PSCC"), and each of the entities listed on the signature pages hereof under the designation "Owners" (the "Owners"): RECITALS: A. PSCC and the Owners (other than American Office Park Properties, L.P.) are parties to the Cost Sharing and Administrative Services Agreement dated as of November 16, 1995 (the "Original Agreement"). B. The parties to this Amendment desire to add American Office Park Properties, L.P. ("AOPP") as a party to the Original Agreement on the terms set forth in this Amendment. Now, therefore, the parties agree as follows: 1. AOPP is hereby added as a party to the Original Agreement as one of the Owners for all purposes and is hereby included on Schedules B and C to the Original Agreement. Amended and restated Schedules B and C are attached to this Amendment. 2. Notwithstanding section 5(a) of the Original Agreement, the Original Agreement, as amended, shall not be terminable as to AOPP until the fifth anniversary of this Amendment. Thereafter, the Original Agreement, as amended, shall expire in accordance with section 5(a) of the Original Agreement. 3. Section 12 of the Original Agreement is hereby amended in its entirety to read as follows: "12. Property Management Agreements With PSI and AOPP Certain of the Owners have entered into management agreements with PSI and AOPP, pursuant to which PSI or AOPP provides property management services with respect to Properties owned by such Owner (the "Management Agreements"). Each such Owner acknowledges and agrees that (i) PSCC shall not be responsible for the performance or failure to perform of PSI or AOPP under the Management Agreements, (ii) PSI and AOPP shall not be responsible for the performance or failure to perform of PSCC under this Agreement, and (iii) the compensation of PSCC under this Agreement is separate from and in addition to the compensation of PSI or AOPP under the Management Agreements. The compensation of PSCC will not be reduced by the compensation of PSI or AOPP under the Management Agreements, and the compensation of PSI or AOPP under the Management Agreements will not be reduced by the compensation of PSCC under this Agreement." 4. Except as provided by this Amendment, all of the terms of the Original Agreement are hereby ratified and affirmed. IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first above written. 67 "PSCC" PSCC, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 "Owners" PUBLIC STORAGE, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn, Vice President 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XI, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XIV, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XV, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XVI, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XVII, INC. 68 By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XVIII, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XIX, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES XX, INC. By: /s/ David P. Singelyn ------------------------------ David P. Singelyn Chief Financial Officer 701 Western Avenue Glendale, California 91201 69 PS PARTNERS, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn ---------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PS PARTNERS II, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PS PARTNERS III, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PS PARTNERS IV, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 70 PS PARTNERS V, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PS PARTNERS VI, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PS PARTNERS VII, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PS PARTNERS VIII, LTD., a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 71 CONNECTICUT STORAGE FUND, a California Limited Partnership By: PSI Institutional Advisors, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 METROPUBLIC STORAGE FUND, a California Limited Partnership By: PSI Institutional Advisors, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE INSTITUTIONAL FUND, a California Limited Partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn Vice President 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE INSTITUTIONAL FUND II, a California Limited Partnership By: PSI Institutional Advisors, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE INSTITUTIONAL FUND III, a California Limited Partnership By: PSI Institutional Advisors, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 72 PS CO-INVESTMENT PARTNERS, a general partnership By: Public Storage Institutional Fund IV, a California Limited Partnership By: PSI Institutional Advisors, Inc. General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 By: Diversified Storage Venture Fund, a California Limited Partnership By: Public Storage, Inc. General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PARTNERS, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PARTNERS II, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 73 PUBLIC STORAGE PROPERTIES, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Vice President 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES IV, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Vice President 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE PROPERTIES V, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Vice President 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE MID-ATLANTIC, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE MID-ATLANTIC II, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 74 PS MINI-WAREHOUSE FUND I-X By: PSI Institutional Advisors, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE GERMAN FUND II, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO FUND III, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP IV, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP V, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 75 PUBLIC STORAGE EURO PARTNERSHIP VI, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP VII, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP VIII, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP IX, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP X, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 76 PUBLIC STORAGE EURO PARTNERSHIP XI, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP XII, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE EURO PARTNERSHIP XIII, a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE BENELUX PARTNERS I, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE BENELUX PARTNERSHIP V, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 77 PUBLIC STORAGE CRESCENT FUND, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE GLENDALE FREEWAY, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 PUBLIC STORAGE ALAMEDA, LTD., a California limited partnership By: Public Storage, Inc., General Partner By: /s/ David P. Singelyn --------------------------- David P. Singelyn, Controller 701 Western Avenue Glendale, California 91201 AMERICAN OFFICE PARK PROPERTIES, L.P., a California limited partnership By: American Office Park Properties, Inc., General Partner By: /s/Ronald L. Havner, Jr. --------------------------- Ronald L. Havner, Jr., President 701 Western Avenue Glendale, California 91201 78 SCHEDULE A ACCOUNTING AND FINANCE - ---------------------- Property accounting and finance, including producing general ledgers and income statements Corporate tax Financial reporting Cash control Compliance with applicable statutes, ordinances, laws, rules, regulations ADMINISTRATIVE SERVICES - ----------------------- Employee relations Property tax appeals Yellow page advertising Management information systems Hotline/CHAMP Acquisition of furniture, fixtures and supplies Insurance, including filing and managing insurance claims and administering entity level insurance Selection of vendors, suppliers, contractors, subcontractors and employees Negotiation and execution of agreements related to utilities, service, concessions, supplies, maintenance, operation and repair MANAGEMENT - ---------- Legal Marketing Training Investor services, including answering investor's questions and sending correspondence and financial reports to investors and coordinating efforts of outside transfer agents Institutional Realty Maintenance, repair and landscaping PROJECT PERSONNEL - ----------------- Resident managers District managers Relief managers Maintenance managers MISCELLANEOUS - ------------- PSCP facilities support 79 SCHEDULE B Public Storage Properties XI, Inc. Public Storage Properties XIV, Inc. Public Storage Properties XV, Inc. Public Storage Properties XVI, Inc. Public Storage Properties XVII, Inc. Public Storage Properties XVIII, Inc. Public Storage Properties XIX, Inc. Public Storage Properties XX, Inc. American Office Park Properties, L.P. 80 SCHEDULE C Public Storage, Inc. Public Storage Properties XI, Inc. Public Storage Properties XIV, Inc. Public Storage Properties XV, Inc. Public Storage Properties XVI, Inc. Public Storage Properties XVII, Inc. Public Storage Properties XVIII, Inc. Public Storage Properties XIX, Inc. Public Storage Properties XX, Inc. PS Partners, Ltd. PS Partners II, Ltd. PS Partners III, Ltd. PS Partners IV, Ltd. PS Partners V, Ltd. PS Partners VI, Ltd. PS Partners VII, Ltd. PS Partners VIII, Ltd. Connecticut Storage Fund Metropublic Storage Fund Public Storage Institutional Fund Public Storage Institutional Fund II Public Storage Institutional Fund III PS Co-Investment Partners Public Storage Partners, Ltd. Public Storage Partners II, Ltd. Public Storage Properties, Ltd. Public Storage Properties IV, Ltd. Public Storage Properties V, Ltd. Public Storage Mid-Atlantic, Ltd. Public Storage Mid-Atlantic II, Ltd. Public Storage Mini-Warehouse Fund I-X Public Storage German Fund II, Ltd. Public Storage Euro Fund III, Ltd. Public Storage Euro Partnership IV, Ltd. 81 Public Storage Euro Partnership V, Ltd. Public Storage Euro Partnership VI, Ltd. Public Storage Euro Partnership VII, Ltd. Public Storage Euro Partnership VIII, Ltd. Public Storage Euro Partnership IX, Ltd. Public Storage Euro Partnership X, Ltd. Public Storage Euro Partnership XI, Ltd. Public Storage Euro Partnership XII, Ltd. Public Storage Euro Partnership XIII, Ltd. Public Storage Benelux Partners I, Ltd. Public Storage Benelux Partnership V, Ltd. Public Storage Crescent Fund, Ltd. Public Storage Glendale Freeway, Ltd. Public Storage Alameda, Ltd. American Office Park Properties, L.P. 82