LIMITED POWER OF ATTORNEY
                                      FOR
                 JOHN HANCOCK LIFE INSURANCE COMPANY (U.S.A.)
                             SECTION 16(a) FILINGS

   The undersigned, a duly authorized officer of John Hancock Life Insurance
Company (U.S.A.), hereby constitutes and appoints with full power of
substitution each of Sarah Coutu, Thomas Dee, Khimmara Greer, Kinga
Kapuscinski, Suzanne Lambert, Nicholas J. Kolokithas, Edward Macdonald, Mara
Moldwin, Harsha Pulluru, Christopher Sechler, Betsy Anne Seel and Steven
Sunnerberg, acting singly, the undersigned's true and lawful attorney-in-fact
to:

   (1) Prepare and execute for the undersigned Forms 3, 4, and 5 and amendments
thereto regarding the John Hancock Life Insurance Company (U.S.A.)'s share
ownership in accordance with Section 16(a) of the Securities Exchange Act of
1934 and the rules thereunder;

   (2) File any such Form 3, 4, or 5 or amendments thereto with the United
States Securities and Exchange Commission (the "SEC") and any stock exchange or
similar authority; and

   (3) Take any other action which, in the opinion of such attorney-in-fact,
may be necessary or desirable in connection with the foregoing.

   The undersigned acknowledges that neither the foregoing attorneys-in-fact
nor John Hancock Life Insurance Company (U.S.A.) are assuming the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934 and the rules thereunder.

   This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5, unless earlier
revoked by the undersigned in a signed writing delivered to the foregoing
attorneys-in-fact. This Power of Attorney may be filed with the SEC as may be
necessary or appropriate.

   IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 23/rd/ day of August 2023.

                                 John Hancock Life Insurance Company (U.S.A.)

                                 /s/ Tracy Lannigan
                                 -----------------------------------------------
                                 Tracy Lannigan
                                 Assistant Chief Counsel and Corporate Secretary

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