EXHIBIT9

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 ASADOPTEDPURSUANT TO SECTION 906 OF THE U.S. SARBANES-OXLEY ACT OF2002

In connection with the Annual Reportof Four Seasons Hotels Inc. on Form 40-F for the year ended December31, 2005 as filed with the Securities and Exchange Commission on thedate hereof (the "Report"), I, Isadore Sharp,Chief Executive Officer of Four Seasons Hotels Inc., certify, pursuantto 18 U.S.C. SS. 1350, as adopted pursuant to Section 906 of theSarbanes-Oxley Act of 2002that:

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|----------|---------------------------------------------------------------------------------------------------------------------|
| 1.  | The Report fully compliedwith the requirements of Section 13(a) or 15(d) of the SecuritiesExchange Act of 1934; and |

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|----------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2.  | Theinformation contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of FourSeasons Hotels Inc. |

|                     |  |                                                                                                                                                                                                                                                                                          |  |  |  |  |
|---------------------|--|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|--|--|--|
| Dated:March 9, 2006 |  | /s/ IsadoreSharp                                             |
|                |  | IsadoreSharp                                                                                                                                                                                                                                                                             |
|                |  | Chief ExecutiveOfficer                                                                                                                                                                                                                                                                   |
|                     |

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CERTIFICATION PURSUANT TO 18 U.S.C.SECTION 1350 AS ADOPTEDPURSUANT TO SECTION 906 OF THE U.S.SARBANES-OXLEY ACT OF 2002

In connectionwith the Annual Report of Four Seasons Hotels Inc. on Form 40-F for theyear ended December 31, 2005 as filed with the Securities and ExchangeCommission on the date hereof (the "Report"),I, John Davison, Chief Financial Officer of Four Seasons Hotels Inc.,certify, pursuant to 18 U.S.C. SS. 1350, as adopted pursuant to Section906 of the Sarbanes-Oxley Act of 2002that:

|          |                                                                                                                     |
|----------|---------------------------------------------------------------------------------------------------------------------|
| 1.  | The Report fully compliedwith the requirements of Section 13(a) or 15(d) of the SecuritiesExchange Act of 1934; and |

|          |                                                                                                                                                               |
|----------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2.  | Theinformation contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of FourSeasons Hotels Inc. |

|                     |  |                                                                                                                                                                                                                                                                                         |  |  |  |  |
|---------------------|--|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--|--|--|--|
| Dated:March 9, 2006 |  | /s/ JohnDavison                                             |
|                |  | JohnDavison                                                                                                                                                                                                                                                                             |
|                |  | Chief FinancialOfficer                                                                                                                                                                                                                                                                  |
|                     |

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