PRINCIPAL FUNDS, INC. AMENDED AND RESTATED SUB-ADVISORY AGREEMENT MIDCAP GROWTH FUND III


PRINCIPAL FUNDS, INC.
AMENDED AND RESTATED SUB-ADVISORY AGREEMENT
MIDCAP GROWTH FUND III

AGREEMENT executed as of January 1, 2010, by and between PRINCIPAL MANAGEMENT
ORPORATION (hereinafter called "the Manager"), and ▇▇▇▇▇▇ ▇▇▇▇ EQUITY MANAGEMENT, INC.
(hereinafter called "the Sub-Adviser").

W I T N E S S E T H:

WHEREAS, the Manager is the manager and investment adviser to the Series of Principal Funds, Inc., (the
"Fund"), an open-end management investment company registered under the Investment Company Act of 1940,
as amended (the "1940 Act"); and

WHEREAS, the Manager desires to retain the Sub-Adviser to furnish it with investment advisory services
with respect to assets allocated by the Manager for management by the Sub-Adviser for a portion of the portfolio
of the MidCap Growth Fund III (hereinafter called the “Series”), which the Manager has agreed to provide to the
Fund, and the Sub-Adviser desires to furnish such services; and

WHEREAS, The Manager has furnished the Sub-Adviser with copies properly certified or authenticated of
each of the following and will promptly provide the Sub-Adviser with copies properly certified or authenticated of
any amendment or supplement thereto:

(a)	Management Agreement (the "Management Agreement") with the Fund;

(b)	The Fund's registration statement and financial statements as filed with the Securities and Exchange
	Commission;

(c)	The Fund's Articles of Incorporation and By-laws;

(d)	Policies, procedures or instructions adopted or approved by the Board of Directors of the Fund relating
	to obligations and services to be provided by the Sub-Adviser.

NOW, THEREFORE, in consideration of the premises and the terms and conditions hereinafter set forth, the
parties agree as follows:

1.	Appointment of Sub-Adviser

	In accordance with and subject to the Management Agreement, the Manager hereby appoints the Sub-
	Adviser to act as the Manager’s agent and attorney-in-fact with respect to the investment and
	reinvestment of assets in the Series with full power and authority to direct any custodian of the assets of
	the Series to purchase, sell or exchange any stocks, bonds, or other securities or such other assets
	which are acceptable to the Sub-Adviser (individually, "security" and collectively, "securities") and to
	issue directly to a broker or dealer such orders for the purchase, sale or exchange of securities or other
	property, as the Sub-Adviser may deem appropriate and without prior consultation with the Manager,
	subject to the control and direction of the Manager and the Fund's Board of Directors, for the period and
	on the terms hereinafter set forth. The Sub-Adviser accepts such appointment and agrees to furnish the
	services hereinafter set forth for the compensation herein provided. The Sub-Adviser shall for all
	purposes herein be deemed to be an independent contractor and shall, except as expressly provided or
	authorized, have no authority to act for or represent the Fund or the Manager in any way or otherwise be
	deemed an agent of the Fund or the Manager.

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2.	Obligations of and Services to be Provided by the Sub-Adviser

	The Sub-Adviser will:

	(a)	Provide investment advisory services, including but not limited to research, advice and supervision
		for the Series.

	(b)	Furnish to the Board of Directors of the Fund for approval (or any appropriate committee of such
		Board), and revise from time to time as conditions require, a recommended investment program for
		the Series consistent with the Series’ investment objective and policies.

	(c)	Implement the approved investment program by placing orders for the purchase and sale of
		securities without prior consultation with the Manager and without regard to the length of time the
		securities have been held, the resulting rate of portfolio turnover or any tax considerations, subject
		always to the provisions of the Fund's registration statement, Articles of Incorporation and Bylaws
		and the requirements of the 1940 Act, as each of the same shall be from time to time in effect.

	(d)	Advise and assist the officers of the Fund, as requested by the officers, in taking such steps as are
		necessary or appropriate to carry out the decisions of its Board of Directors, and any appropriate
		committees of such Board, regarding the general conduct of the investment business of the Series.

	(e)	Maintain, in connection with the Sub-Adviser’s investment advisory services obligations,
		compliance with the 1940 Act and the regulations adopted by the Securities and Exchange
		Commission thereunder and the Series’ investment strategies and restrictions as stated in the
		Fund’s prospectus and statement of additional information.

	(f)	Report to the Board of Directors of the Fund at such times and in such detail as the Board of
		Directors may reasonably deem appropriate in order to enable it to determine that the investment
		policies, procedures and approved investment program of the Series are being observed.

	(g)	Upon request, provide assistance and recommendations for the determination of the fair value of
		certain securities when reliable market quotations are not readily available for purposes of
		calculating net asset value in accordance with procedures and methods established by the Fund's
		Board of Directors.

	(h)	Furnish, at its own expense, (i) all necessary investment and management facilities, including
		salaries of clerical and other personnel required for it to execute its duties faithfully, and (ii)
		administrative facilities, including bookkeeping, clerical personnel and equipment necessary for the
		efficient conduct of the investment advisory affairs of the Series. Except for expenses specifically
		assumed or agreed to be paid by the Sub-Adviser under this Agreement, the Sub-Adviser shall not
		be liable for any expenses of the Manager, the Fund or the Series including, without limitation, (i)
		interest and taxes, (ii) brokerage commissions and other costs in connection with the purchase or
		sale of securities or other investment instruments with respect to the Series, and (iii) custodian fees
		and expenses.

	(i)	Open accounts with broker-dealers and futures commission merchants (“broker-dealers”), select
		broker-dealers to effect all transactions for the Series, place all necessary orders with broker-
		dealers or issuers (including affiliated broker-dealers), and negotiate commissions, if applicable. To
		the extent consistent with applicable law, purchase or sell orders for the Series may be aggregated
		with contemporaneous purchase or sell orders of other clients of the Sub-Adviser. In such event
		allocation of securities so sold or purchased, as well as the expenses incurred in the transaction,
		will be made by the Sub-Adviser in the manner the Sub-Adviser considers to be the most equitable
		and consistent with its fiduciary obligations to the Fund and to other clients. The Sub-Adviser will
		report on such allocations at the request of the Manager, the Fund or the Fund’s Board of Directors
		providing such information as the number of aggregated trades to which the Series was a party, the
		broker-dealers to whom such trades were directed and the basis for the allocation for the
		aggregated trades. The Sub-Adviser shall use its best efforts to obtain execution of transactions

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	for the Series at prices which are advantageous to the Series and at commission rates that are
	reasonable in relation to the benefits received. However, the Sub-Adviser may select brokers or
	dealers on the basis that they provide brokerage, research or other services or products to the Sub-
	Adviser. To the extent consistent with applicable law, the Sub-Adviser may pay a broker or dealer
	an amount of commission for effecting a securities transaction in excess of the amount of
	commission or dealer spread another broker or dealer would have charged for effecting that
	transaction if the Sub-Adviser determines in good faith that such amount of commission is
	reasonable in relation to the value of the brokerage and research products and/or services provided
	by such broker or dealer. This determination, with respect to brokerage and research products
	and/or services, may be viewed in terms of either that particular transaction or the overall
	responsibilities which the Sub-Adviser and its affiliates have with respect to the Series as well as to
	accounts over which they exercise investment discretion. Not all such services or products need be
	used by the Sub-Adviser in managing the Series. In addition, joint repurchase or other accounts
	may not be utilized by the Series except to the extent permitted under any exemptive order
	obtained by the Sub-Adviser provided that all conditions of such order are complied with.

(j)	Maintain all accounts, books and records with respect to the Series as are required of an
	investment advisor of a registered investment company pursuant to the 1940 Act and Investment
	Advisers Act of 1940 (the “Investment Advisers Act”), and the rules thereunder, and furnish the
	Fund and the Manager with such periodic and special reports as the Fund or Manager may
	reasonably request. In compliance with the requirements of Rule 31a-3 under the 1940 Act, the
	Sub-Adviser hereby agrees that all records that it maintains for the Series are the property of the
	Fund, agrees to preserve for the periods described by Rule 31a-2 under the 1940 Act any records
	that it maintains for the Series and that are required to be maintained by Rule 31a-1 under the 1940
	Act, and further agrees to surrender promptly to the Fund any records that it maintains for the
	Series upon request by the Fund or the Manager. The Sub-Adviser has no responsibility for the
	maintenance of Fund records except insofar as is directly related to the services the Sub-Adviser
	provides to the Series.

(k)	Observe and comply with Rule 17j-1 under the 1940 Act and the Sub-Adviser’s Code of Ethics
	adopted pursuant to that Rule as the same may be amended from time to time. The Manager
	acknowledges receipt of a copy of Sub-Adviser’s current Code of Ethics. Sub-Adviser shall
	promptly forward to the Manager a copy of any material amendment to the Sub-Adviser’s Code of
	Ethics along with certification that the Sub-Adviser has implemented procedures for administering
	the Sub-Adviser’s Code of Ethics.

(l)	From time to time as the Manager or the Fund may request, furnish the requesting party reports on
	portfolio transactions and reports on investments held by the Series, all in such detail as the
	Manager or the Fund may reasonably request. The Sub-Adviser will make available its officers and
	employees to meet with the Fund’s Board of Directors at the Fund’s principal place of business on
	due notice to review the investments of the Series.

(m)	Provide such information as is customarily provided by a Sub-Adviser and may be required for the
	Fund or the Manager to comply with their respective obligations under applicable laws, including,
	without limitation, the Internal Revenue Code of 1986, as amended (the “Code”), the 1940 Act, the
	Investment Advisers Act, the Securities Act of 1933, as amended (the “Securities Act”), and any
	state securities laws, and any rule or regulation thereunder.

(n)	Vote proxies received on behalf of the Series in a manner consistent with Sub-Adviser's proxy
	voting policies and procedures and provide a record of votes cast containing all of the voting
	information required by Form N-PX in an electronic format to enable the Series to file Form N-PX
	as required by SEC rule.

(o)	Respond to tender offers, rights offerings and other voluntary corporate action requests affecting
	securities held by the Fund and assist the Manager in complying and filing notices of claims in
	connection with class action lawsuits concerning securities owned by the Fund.

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3.	Prohibited Conduct

	In providing the services described in this agreement, the Sub-Adviser will not consult with any other
	investment advisory firm that provides investment sub-advisory services to the Fund or a fund that is
	under common control with the Fund regarding transactions for the Fund in the securities or other assets
	allocated to the Sub-Adviser pursuant to this Agreement, except as provided by Rule 12d-3-1 under the
	1940 Act.

4.	Compensation

	As full compensation for all services rendered and obligations assumed by the Sub-Adviser hereunder
	with respect to the Series, the Manager shall pay the compensation specified in Appendix A to this
	Agreement.

5.	Liability of Sub-Adviser

	Neither the Sub-Adviser nor any of its directors, officers, employees, agents or affiliates shall be liable to
	the Manager, the Fund or its shareholders for any loss suffered by the Manager or the Fund resulting
	from any error of judgment made in the good faith exercise of the Sub-Adviser's investment discretion in
	connection with selecting investments for the Series or as a result of the failure by the Manager or any of
	its affiliates to comply with the terms of this Agreement and/or insurance laws and rules except for
	losses resulting from willful misfeasance, bad faith or gross negligence of, or from reckless disregard of,
	the duties of the Sub-Adviser or any of its directors, officers, employees, agents, or affiliates. The Sub-
	Adviser shall not have any responsibilities with respect to any assets of the Fund other than the Series.
	The Sub-Adviser shall not be responsible for any loss incurred by reason of any act or omission of any
	dealer or broker, or the Manager, or any custodian.

	The Sub-Adviser shall be responsible only for managing the Series in good faith and in accordance with
	the investment objectives, fundamental policies and restrictions, and shall have no responsibility
	whatsoever for, and shall incur no liability on account of (i) selection or establishment of such investment
	objectives, fundamental policies and restrictions (ii) advice on, or management of, any other assets for
	Manager or the Fund, (iii) filing of any tax or information returns or forms, withholding or paying any
	taxes, or seeking any exemption or refund for the Manager or the Fund, (iv) registration of the Fund or
	Series with any government or agency, or (v) administration of the plans and trusts investing through the
	Fund, (vi) overall Fund compliance with the requirements of the 1940 Act, which requirements are
	outside of the Sub-Adviser’s control, and any requirements of Subchapter M of the Internal Revenue
	Code of 1986, as amended, which are outside of the Sub-Adviser’s control and shall be indemnified and
	held harmless by Manager for any loss in carrying out the terms and provisions of this Agreement,
	including reasonable attorney’s fees, indemnification to the Fund, or any shareholder thereof and,
	brokers and commission merchants, fines, taxes, penalties and interest. Sub-Adviser, however, shall be
	liable for any liability, damages, or expenses of Manager or the Fund arising out of the gross negligence,
	malfeasance or violation of applicable law by any of its employees in providing investment management
	services under this Agreement; and, in such cases, the indemnification by Manager, referred to above,
	shall be inapplicable, and the Sub-Adviser shall indemnify and hold harmless the Fund and Manager for
	any loss arising therefrom.

6.	Supplemental Arrangements

	The Sub-Adviser may enter into arrangements with other persons affiliated with the Sub-Adviser or with
	unaffiliated third parties to better enable the Sub-Adviser to fulfill its obligations under this Agreement for
	the provision of certain personnel and facilities to the Sub-Adviser, subject to written notification to and
	approval of the Manager and, where required by applicable law, the Board of Directors of the Fund.

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7.	Regulation

	The Sub-Adviser shall submit to all regulatory and administrative bodies having jurisdiction over the
	services provided pursuant to this Agreement any information, reports or other material which any such
	body may request or require pursuant to applicable laws and regulations.

8.	Manager’s Representations

	The Manager represents and warrants that (i) it is registered as an investment adviser under the
	Investment Advisers Act and will continue to be so registered for so long as this Agreement remains in
	effect; (ii) it is not prohibited by the 1940 Act or the Investment Advisers Act from performing the services
	contemplated by this Agreement; (iii) it has met, and will continue to meet for so long as this Agreement
	remains in effect, any applicable federal or state requirements, or the applicable requirements of any
	regulatory or industry self-regulatory agency, necessary to be met in order to perform the services
	contemplated by this Agreement; (iv) it has the authority to enter into and perform the services
	contemplated by this Agreement, and (v) it will immediately notify the Sub-Adviser of the occurrence of
	any event that would disqualify the Manager from serving as an investment advisor of an investment
	company pursuant to Section 9(a) of the 1940 Act or otherwise.

9.	Contributions and Withdrawals

	The Manager may contribute additional cash to the Series at any time, and may withdraw cash from the
	Series upon reasonable notice to the Sub-Adviser. Securities may be added to or withdrawn from the
	Series only with the consent of the Sub-Adviser. The Manager acknowledges that, as part of the
	investment strategy to be pursued in managing the Series, the Sub-Adviser may engage in exchange
	traded funds transactions to “equitize” the Series as of the close of business on the business day
	immediately preceding the initial funding of the Series or to equitize any additional contributions to, or
	withdrawals from, the Series. In the event of a cash withdrawal, exchange traded funds may be
	purchased on the day securities are sold to raise funds for the anticipated withdrawals. Such exchange
	traded funds will then be sold at or near the close of trading on the day before the actual cash withdrawal
	takes place.

10. Confidentiality

	Any investment recommendations and any information relating to the Sub-Adviser’s investment process
	models and trading activity that is supplies by the Sub-Adviser and is not otherwise in the public domain
	shall be treated by the Manager as confidential. The Manager shall not use or otherwise disclose to third
	parties such confidential information except to the extent necessary to carry out Manager’s
	responsibilities in managing and administering the Series or as otherwise required by law. Nothing
	herein prohibits the Manager from identifying the Sub-Adviser as a Sub-Adviser for the Series or from
	reporting general performance information.

11.Duration and Termination of This Agreement

	This Agreement shall become effective as of the date of its execution and, unless otherwise terminated,
	shall continue in effect for a period of two years and thereafter from year to year provided that the
	continuance is specifically approved at least annually either by the Board of Directors of the Fund or by a
	vote of a majority of the outstanding voting securities of the Series and in either event by a vote of a
	majority of the Board of Directors of the Fund who are not interested persons of the Manager, Principal
	Life Insurance Company, the Sub-Advisor or the Fund cast in person at a meeting called for the purpose
	of voting on such approval.

	If the shareholders of a Series fail to approve the Agreement or any continuance of the Agreement in
	accordance with the requirements of the 1940 Act, the Sub-Adviser will continue to act as Sub-Adviser
	with respect to the Series pending the required approval of the Agreement or its continuance or of any
	contract with the Sub-Adviser or a different manager or Sub-Adviser or other definitive action; provided,

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that the compensation received by the Sub-Adviser in respect to the Series during such period is in
compliance with Rule 15a-4 under the 1940 Act.

This Agreement may be terminated at any time without the payment of any penalty by the Board of
Directors of the Fund or by the Sub-Adviser, the Manager or by vote of a majority of the outstanding
voting securities of the Series on sixty days written notice. This Agreement shall automatically terminate
in the event of its assignment. In interpreting the provisions of this Section 9, the definitions contained in
Section 2(a) of the 1940 Act (particularly the definitions of "interested person," "assignment" and "voting
security") shall be applied.

12. Indemnification

(a)	The Sub-Adviser agrees to indemnify and hold harmless the Manager, any affiliated person within
	the meaning of Section 2(a)(3) of the 1940 Act (“affiliated person”) of the Manager and each
	person, if any who, within the meaning of Section 15 of the Securities Act controls (“controlling
	persons”) the Manager, against any and all losses, claims, damages, liabilities or litigation,
	including reasonable legal expenses (collectively “Losses”) to which the Manager or such affiliated
	person or controlling person of the Manager may become subject under the Securities Act, the
	1940 Act, the Investment Advisers Act, under any other statute, law, rule or regulation at common
	law or otherwise, arising out of the Sub-Adviser’s responsibilities hereunder (1) to the extent of and
	as a result of the willful misconduct, bad faith, or gross negligence by the Sub-Adviser, any of the
	Sub-Adviser’s employees or representatives or any affiliate of or any person acting on behalf of the
	Sub-Adviser; or (2) as a result of any untrue statement of a material fact contained in the
	Registration Statement, including any amendment thereof or any supplement thereto, or the
	omission to state therein a material fact required to be stated therein or necessary to make the
	statement therein not misleading, if such a statement or omission was made in reliance upon and in
	conformity with written information furnished by the Sub-Adviser to the Manager specifically for use
	therein; provided, however, that in no case is the Sub-Adviser’s indemnity in favor of the Manager
	or any affiliated person or controlling person of the Manager deemed to protect such person against
	any liability to which any such person would otherwise be subject by reason of willful misconduct,
	bad faith or gross negligence in the performance of its duties or by reason of its reckless disregard
	of its obligations and duties under this Agreement.

(b)	The Manager agrees to indemnify and hold harmless the Sub-Adviser, any affiliated person and
	any controlling person of the Sub-Adviser, if any, against any and all Losses to which the Sub-
	Adviser or such affiliated person or controlling person of the Sub-Adviser may become subject
	under the Securities Act, the 1940 Act, the Investment Advisers Act, under any other statute, law,
	rule or regulation, at common law or otherwise, arising out of the Manager’s responsibilities as
	investment manager of the Fund (1) to the extent of and as a result of the willful misconduct, bad
	faith, or gross negligence by the Manager, any of the Manager’s employees or representatives or
	any affiliate of or any person acting on behalf of the Manager, or (2) as a result of any untrue
	statement of a material fact contained in the Registration Statement, including any amendment
	thereof or any supplement thereto, or the omission to state therein a material fact required to be
	stated therein or necessary to make the statement therein not misleading; provided, however, that
	in no case is the Manager’s indemnity in favor of the Sub-Adviser or any affiliated person or
	controlling person of the Sub-Adviser deemed to protect such person against any liability to which
	any such person would otherwise be subject by reason of willful misconduct, bad faith or gross
	negligence in the performance of its duties or by reason of its reckless disregard of its obligations
	and duties under this Agreement. It is agreed that the Manager’s indemnification obligations under
	this Section will extend to expenses and costs (including reasonable attorneys fees) incurred by the
	Sub-Adviser as a result of any litigation brought by the Manager alleging the Sub-Adviser’s failure to
	perform its obligations and duties in the manner required under this Agreement unless judgement is
	rendered for the Manager.

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13. Amendment of this Agreement

No material amendment of this Agreement shall be effective until approved, if required by the 1940 Act
or the rules, regulations, interpretations or orders issued thereunder, by vote of the holders of a majority
of the outstanding voting securities of the Series and by vote of a majority of the Board of Directors of
the Fund who are not interested persons of the Manager, the Sub-Adviser, Principal Life Insurance
Company or the Fund cast in person at a meeting called for the purpose of voting on such approval.

14. General Provisions

(a)	Each party agrees to perform such further acts and execute such further documents as are
	necessary to effectuate the purposes hereof. This Agreement shall be construed and enforced in
	accordance with and governed by the laws of the State of Iowa. The captions in this Agreement are
	included for convenience only and in no way define or delimit any of the provisions hereof or
	otherwise affect their construction or effect.

(b)	Any notice under this Agreement shall be in writing, addressed and delivered or mailed postage pre-
	paid to the other party at such address as such other party may designate for the receipt of such
	notices. Until further notice to the other party, it is agreed that the address of the Manager for this
	purpose shall be the Principal Financial Group, ▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇ ▇▇▇▇▇-▇▇▇▇, and the address of
	the Sub-Adviser shall be ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇ ▇▇▇▇, ▇▇ ▇▇▇▇▇-▇▇▇▇.

(c)	The Sub-Adviser will promptly notify the Manager in writing of the occurrence of any of the following
	events:

	(1)	the Sub-Adviser fails to be registered as an investment adviser under the Investment Advisers
		Act or under the laws of any jurisdiction in which the Sub-Adviser is required to be registered as
		an investment advisor in order to perform its obligations under this Agreement.

	(2)	the Sub-Adviser is served or otherwise receives notice of any action, suit, proceeding, inquiry or
		investigation, at law or in equity, before or by any court, public board or body, involving the
		affairs of the Series.

(d)	The Manager shall provide (or cause the Series custodian to provide) timely information to the Sub-
	Adviser regarding such matters as the composition of the assets of a Series, cash requirements and
	cash available for investment in a Series, and all other reasonable information as may be necessary
	for the Sub-Adviser to perform its duties and responsibilities hereunder.

(e)	The Sub-Advisor represents that it will not enter into any agreement, oral or written, or other
	understanding under which the Fund directs or is expected to direct portfolio securities transactions,
	or any remuneration, to a broker or dealer in consideration for the promotion or sale of Fund shares
	or shares issued by any other registered investment company. Sub-advisor further represents that it
	is contrary to the Sub-advisor’s policies to permit those who select brokers or dealers for execution
	of fund portfolio securities transactions to take into account the broker or dealer’s promotion or sale
	of Fund shares or shares issued by any other registered investment company.

(f)	The Sub-Advisor agrees that neither it nor any of its affiliates will in any way refer directly or indirectly
	to its relationship with the Fund, the Series, or the Manager or any of their respective affiliates in
	offering, marketing or other promotional materials without the express written consent of the
	Manager.

(e)	This Agreement contains the entire understanding and agreement of the parties.

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IN WITNESS WHEREOF, the parties have duly executed this Agreement on the date first above written.

PRINCIPAL MANAGEMENT CORPORATION

/s/ ▇▇▇▇▇▇▇ ▇. Beer

▇▇▇▇▇▇▇ ▇. Beer, Executive Vice President and

Chief Operating Officer

▇▇▇▇▇▇ ▇▇▇▇ EQUITY MANAGEMENT, INC.

/s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇

▇▇▇▇▇▇▇ ▇. ▇▇▇▇, Vice President

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APPENDIX A


The Sub-Adviser shall serve as investment Sub-Adviser for the Series of the Fund identified below. The
Manager will pay the Sub-Adviser, as full compensation for all services provided under this Agreement, a fee
computed at an annual rate as shown below (the "Sub-Adviser Fee"):


		Sub-Adviser Fee (as a
		percentage of Daily Net Assets
		Managed)
Series	Assets Under Management	Annualized Fee

MidCap Growth Fund III	First $100 Million	0.65%
	Next $400 Million	0.50%
	Next $250 Million	0.45%
	Over $750 Million	0.40%




In calculating the fee for the Series included in the table, assets of any unregistered separate account of
Principal Life Insurance Company managed by the Sub-Adviser, and the portion of the assets of an investment
company sponsored by Principal Life Insurance Company to which the Sub-Adviser provides investment
advisory services and which have the same investment mandate as the series for which the fee is calculated, will
be combined with the assets of the Series to arrive at net assets.


The Sub-Adviser Percentage Fee shall be accrued for each calendar day and the sum of the daily fee
accruals shall be paid monthly to the Sub-Adviser. The daily fee accruals will be computed by multiplying the
fraction of one over the number of calendar days in the year by the applicable annual rate described above and
multiplying this product by the net assets of the Series, as determined in accordance with the Series’ Prospectus
and Statement of Additional Information, allocated to the Sub-Adviser for management as of the close of
business on the previous business day on which the Series was open for business. Cash and cash equivalents
shall be included in the Series net assets calculation up to a maximum of 1.00% of the Series net assets. If the
Manager requests the Sub-Advisor to raise cash in the Series portfolio in excess of 1.00% of the Series net
assets for the purpose of funding redemptions from the Series, such amount requested shall be included in the
Series net assets calculation.


If this Agreement becomes effective or terminates before the end of any month, the fee (if any) will be
accrued and payable to the Sub-Adviser for the period from the effective date to the end of such month or from
the beginning of such month to the date of termination, as the case may be.

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PRINCIPAL FUNDS, INC. AMENDED AND RESTATED SUB-ADVISORY AGREEMENT MIDCAP GROWTH FUND III

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