497 1 rydexannuity.htm THE RYDEX VARIABLE ANNUITY

THE RYDEX VARIABLE ANNUITY

Individual Flexible Purchase Payment Deferred Variable Annuity Contract
Issued by
Keyport Variable Account A
of
Sun Life Assurance Company of Canada (U.S.)
Supplement dated July 21, 2006
to
Prospectus dated April 30, 2004

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The names of the following investment options under your Contract have changed:

Old Name

New Name

   

Rydex Ursa Fund

Rydex Inverse S&P 500 Fund

   

Rydex Arktos Fund

Rydex Inverse OTC Fund

   

Rydex Large-Cap Europe Fund

Rydex Europe Advantage Fund

   

Rydex Large-Cap Japan Fund

Rydex Japan Advantage Fund

   

Rydex Juno Fund

Rydex Inverse Government Long Bond Fund

   

Rydex Medius Fund

Rydex Mid-Cap Advantage Fund

   

Rydex Mekros Fund

Rydex Russell 2000® Advantage Fund

   

Rydex Titan 500 Fund

Rydex Dynamic S&P 500 Fund

   

Rydex U.S. Government Bond Fund

Rydex Government Long Bond Advantage Fund

   

Rydex Velocity 100 Fund

Rydex Dynamic OTC Fund

 

Please retain this supplement with your prospectus for future reference.

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