Exhibit 99.1 Joint Filer Information Name of Joint Filer: Evelyn H. Lauder Address of Joint Filer: c/o The Estee Lauder Companies Inc. 767 Fifth Avenue New York, NY 10153 Relationship of Joint Filer to Issuer: Officer (Senior Corporate Vice President) Issuer Name and Ticker or Trading Symbol: The Estee Lauder Companies Inc. [EL] Date of Earliest Transaction Required to be Reported (Month/Day/Year): 5/19/2010 Designated Filer: Leonard A. Lauder Joint Filer Information Name of Joint Filer: Ronald S. Lauder Address of Joint Filer: c/o The Estee Lauder Companies Inc. 767 Fifth Avenue New York, NY 10153 Relationship of Joint Filer to Issuer: Officer (Chairman, Clinique Labs, LLC) Issuer Name and Ticker or Trading Symbol: The Estee Lauder Companies Inc. [EL] Date of Earliest Transaction Required to be Reported (Month/Day/Year): 5/20/2010 Designated Filer: Leonard A. Lauder Joint Filer Information Name of Joint Filer: The Estee Lauder 2002 Trust Address of Joint Filer: c/o The Estee Lauder Companies Inc. 767 Fifth Avenue New York, NY 10153 Relationship of Joint Filer to Issuer: 10% Owner Other (Trust with Insider Trustees) Issuer Name and Ticker or Trading Symbol: The Estee Lauder Companies Inc. [EL] Date of Earliest Transaction Required to be Reported (Month/Day/Year): 5/20/2010 Designated Filer: Leonard A. Lauder