EXHIBIT 99.16(a)
POWER OF ATTORNEY
We, the undersigned Directors/Officers of the following investment
company:
AMERICAN CENTURY MUTUAL FUNDS, INC.
AMERICAN CENTURY WORLD MUTUAL FUNDS, INC.
AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AMERICAN CENTURY STRATEGIC ASSET ALLOCATIONS, INC.
AMERICAN CENTURY ASSET ALLOCATION PORTFOLIOS, INC.
AMERICAN CENTURY VARIABLE PORTFOLIOS, INC.
AMERICAN CENTURY GROWTH FUNDS, INC.
("THE FUNDS")
hereby constitute and appoint David C. Tucker, Charles A. Etherington, David H.
Reinmiller, Janet A. Nash, Brian L. Brogan, Otis H. Cowan, Ryan L. Blaine,
Christine J. Crossley, Kathleen Gunja Nelson, and Daniel K. Richardson each of
them singly, my true and lawful attorneys-in-fact, with full power of
substitution, and with full power to each of them, (a) to sign for me and in my
name in the appropriate capacities, all Registration Statements of the Fund on
Form N-1A, Form N-8A or any successor thereto, any and all subsequent
Amendments, Pre-Effective Amendments, or Post-Effective Amendments to said
Registration Statements on Form N-1A or any successor thereto, any Registration
Statements on Form N-14, and any supplements or other instruments in connection
therewith; (b) to make, file, execute, amend and withdraw documents of every
kind, and to take other action of whatever kind they may elect, for the purpose
of complying with all laws relating to the sale of securities of the Fund; and
(c) generally to do all such things in my name and behalf in connection
therewith as said attorneys-in-fact deem necessary or appropriate, to comply
with the provisions of the Securities Act of 1933 and the Investment Company Act
of 1940, and all related requirements of the Securities and Exchange Commission.
We hereby ratify and confirm all that said attorneys-in-fact or their
substitutes may do or cause to be done by virtue hereof. This power of attorney
is effective for all documents filed on or after September 12, 2006.
This power of attorney may be executed in counterparts, each of which shall be
deemed an original, but all of which shall constitute one and the same
instrument.
WITNESS my hand on this 12th day of September, 2006.
SIGNATURE
/s/ James E. Stowers, Jr. /s/ Donald H. Pratt
-------------------------------------- --------------------------------------
James E. Stowers, Jr. Donald H. Pratt
/s/ James E. Stowers III /s/ Gale E. Sayers
-------------------------------------- --------------------------------------
James E. Stowers III Gale E. Sayers
/s/ Thomas A. Brown /s/ M. Jeannine Strandjord
-------------------------------------- --------------------------------------
Thomas A. Brown M. Jeannine Strandjord
/s/ Andrea C. Hall /s/ Timothy S. Webster
-------------------------------------- --------------------------------------
Andrea C. Hall Timothy S. Webster
/s/ D. D. (Del) Hock /s/ William M. Lyons
-------------------------------------- --------------------------------------
D. D. (Del) Hock William M. Lyons
/s/ Robert J. Leach
--------------------------------------
Robert J. Leach
