1 EXHIBIT 3.4 THIRD AMENDMENT TO THE THIRD AMENDED AND RESTATED DECLARATION OF TRUST OF AMERICAN INDUSTRIAL PROPERTIES REIT The following amendment to the Third Amended and Restated Declaration of Trust for American Industrial Properties REIT, a real estate investment trust formed under the Texas Real Estate Investment Trust Act (the "Texas REIT Act"), replaces in its entirety the following Article of the Third Amended and Restated Declaration of Trust for such Trust. ARTICLE FIVE The names and mailing addresses of the Trust Managers are as follows: Name Mailing Address ---- --------------- William H. Bricker 2155 Chenault Dr., Suite 300 Carrollton, Texas 75006-4955 T. Patrick Duncan 8000 Robert F. McDermott Freeway Suite 600, IH-10 West San Antonio, Texas 78230-3884 Robert E. Giles 5051 Westheimer, Suite 300 Houston, Texas 77056 Edward B. Kelley 8000 Robert F. McDermott Freeway Suite 600, IH-10 West San Antonio, Texas 78230-3884 Stanley J. Kraska, Jr. 100 East Pratt Street Baltimore, Maryland 21202 J. Timothy Morris 1221 Avenue of the Americas, 22nd Floor New York, New York 10020 Charles W. Wolcott 6210 North Belt Line Road, Suite 170 Irving, Texas 75063 Scott A. Wolstein 34555 Chagrin Blvd. Moreland Hills, Ohio 44022 Robert H. Gidel 34555 Chagrin Blvd. Moreland Hills, Ohio 44022 Albert T. Adams 34555 Chagrin Blvd. Moreland Hills, Ohio 44022 James A. Schoff 34555 Chagrin Blvd. Moreland Hills, Ohio 44022 2 IN WITNESS WHEREOF, the undersigned hereby executes this Third Amendment to the Third Amended and Restated Declaration of Trust as of the 5th day of March, 1999. AMERICAN INDUSTRIAL PROPERTIES REIT By: /s/ Marc A. Simpson ------------------------------ Marc A. Simpson Senior Vice President, Chief Financial Officer, Secretary and Treasurer 2