Masco Corporation<br /> (NYSE:   MAS) today announced the planned appointment of John G. Sznewajs, 37,<br /> as Vice President-Corporate Development and Treasurer, effective August 1,<br /> 2005.  At that time, Sznewajs will be assuming the Treasurer responsibilities<br /> from Robert Rosowski, 65, who will retire after 34 years of exceptional<br /> service to Masco.<br />     Prior to this promotion, Sznewajs was Vice President-Business Development,<br /> overseeing all phases of Masco's acquisition, divestiture and joint venture<br /> processes as well as its business portfolio management program.  Sznewajs will<br /> continue this role in addition to the newly added Treasurer responsibilities<br /> and report to Tim Wadhams, Senior Vice President and Chief Financial Officer.<br />     "John's broad financial experience and his involvement with numerous<br /> transactions make him uniquely qualified to head up both our corporate<br /> development and treasury activities," said Masco Chairman and Chief Executive<br /> Officer Richard A. Manoogian.  "We look forward to his continued contribution<br /> in this new and expanded role."<br />     Sznewajs serves on the Boards of Directors of several other charitable,<br /> professional and civic organizations.<br />     Sznewajs is a 1989 graduate of Kalamazoo College with a B.A. in Economics.<br /> He earned his M.B.A. in Finance from the University of Chicago in 1996.  He<br /> resides in Birmingham, Michigan with his wife, Marcy, and their three<br /> children.<br />     Headquartered in Taylor, Michigan, Masco Corporation is one of the world's<br /> leading manufacturers of home improvement and building products as well as a<br /> leading provider of services that include the installation of insulation and<br /> other building products.