<PAGE>
[LOGO]
June 26, 2000 JAMES M. HEDREEN, FSA, MAAA
ACTUARY
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
RE: ICMG REGISTERED VARIABLE LIFE SEPARATE ACCOUNT ONE
HARTFORD LIFE AND ANNUITY INSURANCE COMPANY
POST-EFFECTIVE AMENDMENT NO. 11
FILE NO. 33-63731
Dear Sir/Madam:
This opinion is furnished in connection with the Form S-6 Registration Statement
under the Securities Act of 1933, as amended ("Securities Act"), of a certain
flexible premium variable life insurance policy (the "Policy") that will be
offered and sold by Hartford Life and Annuity Insurance Company and certain
units of interest to be issued in connection with the Policy.
The hypothetical illustrations of the Policy issued in the Form S-6 Registration
Statement accurately reflect reasonable estimates of projected performance of
the Policy under the stipulated rates of investment return, the contractual
expense deductions and guaranteed cost-of-insurance rates, and utilizing a
reasonable estimation for expected fund operating expenses.
I hereby consent to the use of this opinion as an exhibit to the Form S-6
Registration Statement and to the reference to my name under the heading
"Experts" in the Statement of Additional Information included as part of such
Form S-6 Registration Statement.
Very truly yours,
/s/ James M. Hedreen
James M. Hedreen, FSA, MAAA
Actuary
