SUPPLEMENT DATED MARCH 17, 2010

TO PROSPECTUS DATED MAY 1, 2008

FOR SUN LIFE CORPORATE VARIABLE UNIVERSAL LIFE INSURANCE

ISSUED BY SUN LIFE ASSURANCE COMPANY OF CANADA (U.S.)

SUN LIFE OF CANADA (U.S.) VARIABLE ACCOUNT G

The name of Rydex Investments is deleted from the prospectus and is replaced by PADCO Advisors II, Inc.

THIS SUPPLEMENT SHOULD BE READ AND RETAINED FOR FUTURE REFERENCE.

Sun Life Corporate VUL (Rydex) 3/2010