Registration No. 333-85488

Filed Pursuant to Rule 424(b)(2)

John Hancock Life Insurance Company

SignatureNotes

With Maturities of Twelve Months or More from Date of Issue

Pricing Supplement No. 104	Trade Date: 5/10/2004
(To Prospectus dated July 22, 2002 as supplemented by Prospectus Supplement dated January 10, 2003)	Issue Date: 5/13/2004

The date of this Pricing Supplement is May 10, 2004

CUSIP or Common Code:	41013MZ52	41013MZ60	41013MZ78	41013MZ86	41013MZ94
Price to Public:	100.000%	100.000%	100.000%	100.000%	100.000%
Principal Amount:	$421,000.00	$853,000.00	$131,000.00	$469,000.00	$1,315,000.00
Proceeds to Issuer:	$418,368.75	$846,176.00	$129,690.00	$462,434.00	$1,296,590.00
Discounts and Commissions:	0.625%	0.800%	1.000%	1.400%	1.400%
Reallowance:	0.150%	0.150%	0.150%	0.200%	0.200%
Dealer:	99.500%	99.350%	99.200%	98.800%	98.800%
Maturity Date:	5/15/2007	5/15/2008	5/15/2009	5/15/2012	5/15/2012
Stated Annual Interest Rate:	2.900%	3.400%	3.750%	4.500%	Step: 3.000% through 5/14/2006, and 6.000% thereafter (unless called)
Interest Payment Frequency:	Monthly	Monthly	Monthly	Monthly	Monthly
First Payment Date:	6/15/2004	6/15/2004	6/15/2004	6/15/2004	6/15/2004
Additional Amounts:	N/A	N/A	N/A	N/A	N/A
Survivor’s Option:	Yes	Yes	Yes	Yes	Yes
Callable by Issuer:	No	No	No	No	Yes
If Callable by Issuer, dates and terms of redemption (including the redemption price)	N/A	N/A	N/A	N/A	5/15/2006 Callable one time only at 100% on call date above with 30 days notice.
Original Issue Discount1:	N/A	N/A	N/A	N/A	N/A
Other Material Terms (if any):	N/A	N/A	N/A	N/A	N/A

Effective April 7, 2003 the name of Solomon Smith Barney Inc., an agent of the program, was changed to Citigroup Global Markets Inc.

¹ For information regarding certain tax provisions applicable to Original Issue Discount notes, including zero-coupon notes, see “Tax Consequences to U.S. Holders — Original Issue Discount Notes” in the Prospectus.

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Registration No. 333-85488

Filed Pursuant to Rule 424(b)(2)

John Hancock Life Insurance Company

SignatureNotes

With Maturities of Twelve Months or More from Date of Issue

Pricing Supplement No. 104	Trade Date: 5/10/2004
(To Prospectus dated July 22, 2002 as supplemented by Prospectus Supplement dated January 10, 2003)	Issue Date: 5/13/2004

The date of this Pricing Supplement is May 10, 2004

CUSIP or Common Code:	41013M2A7	41013M2C3	41013M2D1	41013M2E9
Price to Public:	100.000%	100.000%	100.000%	100.000%
Principal Amount:	$70,000.00	$378,000.00	$501,000.00	$2,525,000.00
Proceeds to Issuer:	$68,950.00	$371,385.00	$490,980.00	$2,461,875.00
Discounts and Commissions:	1.500%	1.750%	2.000%	2.500%
Reallowance:	0.200%	0.275%	0.350%	0.350%
Dealer:	98.800%	98.600%	98.350%	97.850%
Maturity Date:	5/15/2014	5/15/2016	5/15/2019	5/15/2034
Stated Annual Interest Rate:	4.800%	5.350%	5.550%	5.850%
Interest Payment Frequency:	Monthly	Semi	Semi	Semi
First Payment Date:	6/15/2004	11/15/2004	11/15/2004	11/15/2004
Additional Amounts:	N/A	N/A	N/A	N/A
Survivor’s Option:	Yes	Yes	Yes	Yes
Callable by Issuer:	No	Yes	Yes	Yes
If Callable by Issuer, dates and terms of redemption (including the redemption price)	N/A	11/15/2006 Callable one time only at 100% on call date above with 30 days notice.	5/15/2007 Callable one time only at 100% on call date above with 30 days notice.	5/15/2010 Callable one time only at 100% on call date above with 30 days notice.
Original Issue Discount2:	N/A	N/A	N/A	N/A
Other Material Terms (if any):	N/A	N/A	N/A	N/A

² For information regarding certain tax provisions applicable to Original Issue Discount notes, including zero-coupon notes, see “Tax Consequences to U.S. Holders — Original Issue Discount Notes” in the Prospectus.

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