Document:

Exhibit 4(a)

                         INVESTMENT MANAGEMENT AGREEMENT

      AGREEMENT, dated [      ], 2007, between BlackRock Large Cap Series Funds,
Inc. (the "Corporation"), a Maryland corporation, on behalf of BlackRock Large
Cap Core Plus Fund (the "Fund"), and BlackRock Advisors, LLC (the "Advisor"), a
Delaware limited liability corporation.

      WHEREAS, the Advisor has agreed to furnish investment advisory services to
the Fund of the Corporation, an open-end management investment company
registered under the Investment Company Act of 1940, as amended (the "1940
Act");

      WHEREAS, the Board of Directors of the Corporation has established and
designated the Fund as a series of the Corporation;

      WHEREAS, this Agreement has been approved in accordance with the
provisions of the 1940 Act, and the Advisor is willing to furnish such services
upon the terms and conditions herein set forth;

      NOW, THEREFORE, in consideration of the mutual premises and covenants
herein contained and other good and valuable consideration, the receipt of which
is hereby acknowledged, it is agreed by and between the parties hereto as
follows:

      1. In General. The Advisor agrees, all as more fully set forth herein, to
act as investment advisor to the Fund with respect to the investment of the
Fund's assets and to supervise and arrange for the day to day operations of the
Fund and the purchase of securities for and the sale of securities held in the
investment portfolio of the Fund.

      2. Duties and Obligations of the Advisor with Respect to Investment of
Assets of the Fund. Subject to the succeeding provisions of this section and
subject to the direction and control of the Corporation's Board of Directors,
the Advisor shall (i) act as investment advisor for and supervise and manage the
investment and reinvestment of the Fund's assets and in connection therewith
have complete discretion in purchasing and selling securities and other assets
for the Fund and in voting, exercising consents and exercising all other rights
appertaining to such securities and other assets on behalf of the Fund; (ii)
supervise continuously the investment program of the Fund and the composition of
its investment portfolio; (iii) arrange, subject to the provisions of paragraph
4 hereof, for the purchase and sale of securities and other assets held in the
investment portfolio of the Fund; and (iv) provide investment research to the
Fund.

      3. Duties and Obligations of Advisor with Respect to the Administration of
the Fund. The Advisor also agrees to furnish office facilities and equipment and
clerical, bookkeeping and administrative services (other than such services, if
any, provided by the Fund's Custodian, Transfer Agent and Dividend Disbursing
Agent and other service providers) for the Fund. To the extent requested by the
Corporation, the Advisor agrees to provide the following administrative
services:
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            (a) Oversee the determination and publication of the Fund's net
asset value in accordance with the Fund's policy as adopted from time to time by
the Board of Directors;

            (b) Oversee the maintenance by the Fund's Custodian and Transfer
Agent and Dividend Disbursing Agent of certain books and records of the Fund as
required under Rule 31a-1(b)(4) of the 1940 Act and maintain (or oversee
maintenance by such other persons as are approved by the Board of Directors)
such other books and records required by law or for the proper operation of the
Fund;

            (c) Oversee the preparation and filing of the Fund's federal, state
and local income tax returns and any other required tax returns;

            (d) Review the appropriateness of and arrange for payment of the
Fund's expenses;

            (e) Prepare for review and approval by officers of the Corporation
financial information for the Fund's semiannual and annual reports, proxy
statements and other communications with shareholders required or otherwise to
be sent to Fund shareholders, and arrange for the printing and dissemination of
such reports and communications to shareholders;

            (f) Prepare for review by an officer of the Corporation the Fund's
periodic financial reports required to be filed with the Securities and Exchange
Commission ("SEC") on Form N-SAR, Form N-CSR, Form N-PX, Form N-Q, and such
other reports, forms and filings, as may be mutually agreed upon;

            (g) Prepare such reports relating to the business and affairs of the
Fund as may be mutually agreed upon and not otherwise appropriately prepared by
the Fund's custodian, counsel or auditors;

            (h) Make such reports and recommendations to the Board of Directors
concerning the performance of the independent accountants as the Board of
Directors may reasonably request or deems appropriate;

            (i) Make such reports and recommendations to the Board of Directors
concerning the performance and fees of the Fund's Custodian and Transfer Agent
and Dividend Disbursing Agent as the Board of Directors may reasonably request
or deems appropriate;

            (j) Oversee and review calculations of fees paid to the Fund's
service providers;

            (k) Oversee the Fund's portfolio and perform necessary calculations
as required under Section 18 of the 1940 Act;

            (l) Consult with the Corporation's officers, independent
accountants, legal counsel, custodian, accounting agent and transfer and
dividend disbursing agent in establishing the accounting policies of the Fund
and monitor financial and shareholder accounting services;

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            (m) Determine the amounts available for distribution as dividends
and distributions to be paid by the Fund to its shareholders; prepare and
arrange for the printing of dividend notices to shareholders; and provide the
Fund's dividend disbursing agent and custodian with such information as is
required for such parties to effect the payment of dividends and distributions
and to implement the Fund's dividend reinvestment plan;

            (n) Prepare such information and reports as may be required by any
banks from which the Fund borrows funds;

            (o) Provide such assistance to the Custodian and the Corporation's
counsel and auditors as generally may be required to properly carry on the
business and operations of the Fund;

            (p) Respond to or refer to the Corporation's officers or transfer
agent, shareholder (including any potential shareholder) inquiries relating to
the Fund; and

            (q) Supervise any other aspects of the Fund's administration as may
be agreed to by the Corporation and the Advisor.

      All services are to be furnished through the medium of any directors,
officers or employees of the Advisor or its affiliates as the Advisor deems
appropriate in order to fulfill its obligations hereunder.

      The Fund will reimburse the Advisor or its affiliates for all out of
pocket expenses incurred by them in connection with the performance of the
administrative services described in this paragraph 3. The Fund will reimburse
the Advisor and its affiliates for their costs in providing accounting services
to the Fund.

      4. Covenants. (a) In the performance of its duties under this Agreement,
the Advisor shall at all times conform to, and act in accordance with, any
requirements imposed by: (i) the provisions of the 1940 Act and the Investment
Advisers Act of 1940, as amended, and all applicable Rules and Regulations of
the Securities and Exchange Commission; (ii) any other applicable provision of
law; (iii) the provisions of the Charter and By Laws of the Corporation, as such
documents are amended from time to time; (iv) the investment objectives and
policies of the Fund as set forth in the Corporation's Registration Statement on
Form N-1A and/or the resolutions of the Board of Directors; and (v) any policies
and determinations of the Board of Directors of the Corporation.

            (b) In addition, the Advisor will:

                  (i) place orders either directly with the issuer or with any
broker or dealer. Subject to the other provisions of this paragraph, in placing
orders with brokers and dealers, the Advisor will attempt to obtain the best
price and the most favorable execution of its orders. In placing orders, the
Advisor will consider the experience and skill of the firm's securities traders
as well as the firm's financial responsibility and administrative efficiency.
Consistent with this obligation, the Advisor may select brokers on the basis of
the research, statistical and pricing services they provide to the Fund and
other clients of the Advisor. Information and research received from such
brokers will be in addition to, and not in lieu of, the

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services required to be performed by the Advisor hereunder. A commission paid to
such brokers may be higher than that which another qualified broker would have
charged for effecting the same transaction, provided that the Advisor determines
in good faith that such commission is reasonable in terms either of the
transaction or the overall responsibility of the Advisor to the Fund and its
other clients and that the total commissions paid by the Fund will be reasonable
in relation to the benefits to the Fund over the long term. Subject to the
foregoing and the provisions of the 1940 Act, the Securities Exchange Act of
1934, as amended, and other applicable provisions of law, the Advisor may select
brokers and dealers with which it or the Corporation is affiliated;

                  (ii) maintain a policy and practice of conducting its
investment advisory services hereunder independently of the commercial banking
operations of its affiliates. When the Advisor makes investment recommendations
for the Fund, its investment advisory personnel will not inquire or take into
consideration whether the issuer of securities proposed for purchase or sale for
the Fund's account are customers of the commercial department of its affiliates;
and

                  (iii) treat confidentially and as proprietary information of
the Fund all records and other information relative to the Fund, and the Fund's
prior, current or potential shareholders, and will not use such records and
information for any purpose other than performance of its responsibilities and
duties hereunder, except after prior notification to and approval in writing by
the Fund, which approval shall not be unreasonably withheld and may not be
withheld where the Advisor may be exposed to civil or criminal contempt
proceedings for failure to comply, when requested to divulge such information by
duly constituted authorities, or when so requested by the Fund.

      5. Services Not Exclusive. Nothing in this Agreement shall prevent the
Advisor or any officer, employee or other affiliate thereof from acting as
investment advisor for any other person, firm or corporation, or from engaging
in any other lawful activity, and shall not in any way limit or restrict the
Advisor or any of its officers, employees or agents from buying, selling or
trading any securities for its or their own accounts or for the accounts of
others for whom it or they may be acting; provided, however, that the Advisor
will undertake no activities which, in its judgment, will adversely affect the
performance of its obligations under this Agreement.

      6. Sub-Advisors. The Advisor may from time to time, in its sole discretion
to the extent permitted by applicable law, appoint one or more sub-advisors,
including, without limitation, affiliates of the Advisor, to perform investment
advisory services with respect to the Fund. The Advisor may terminate any or all
sub-advisors in its sole discretion at any time to the extent permitted by
applicable law.

      7. Books and Records. In compliance with the requirements of Rule 31a-3
under the 1940 Act, the Advisor hereby agrees that all records which it
maintains for the Corporation are the property of the Corporation and further
agrees to surrender promptly to the Corporation any such records upon the
Corporation's request. The Advisor further agrees to preserve for the periods
prescribed by Rule 31a-2 under the 1940 Act the records required to be
maintained by Rule 31a-1 under the 1940 Act.

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      8. Expenses. During the term of this Agreement, the Advisor will bear all
costs and expenses of its employees and any overhead incurred in connection with
its duties hereunder and shall bear the costs of any salaries or directors' fees
of any officers or directors of the Corporation who are affiliated persons (as
defined in the 1940 Act) of the Advisor; provided that the Board of Directors of
the Corporation may approve reimbursement to the Advisor of the pro rata portion
of the salaries, bonuses, health insurance, retirement benefits and all similar
employment costs for the time spent on Fund operations, (including, without
limitation, compliance matters) (other than the provision of investment advice
and administrative services required to be provided hereunder) of all personnel
employed by the Advisor who devote substantial time to Fund operations or the
operations of other investment companies advised by the Advisor.

      9. Compensation of the Advisor. (a) The Corporation agrees to pay to the
Advisor and the Advisor agrees to accept as full compensation for all services
rendered by the Advisor as such, a monthly fee (the "Investment Advisory Fee")
in arrears at an annual rate equal to the amount set forth in Schedule A hereto
of the average daily value of the Fund's Net Assets. "Net Assets" means the
total assets of the Fund minus the sum of the accrued liabilities. For any
period less than a month during which this Agreement is in effect, the fee shall
be prorated according to the proportion which such period bears to a full month
of 28, 29, 30 or 31 days, as the case may be.

            (b) For purposes of this Agreement, the net assets of the Fund shall
be calculated pursuant to the procedures adopted by resolutions of the Directors
of the Corporation for calculating the value of the Fund's assets or delegating
such calculations to third parties.

      10. Indemnity. (a) The Corporation may, in the discretion of the Board of
Directors of the Corporation, indemnify the Advisor, and each of the Advisor's
directors, officers, employees, agents, associates and controlling persons and
the directors, partners, members, officers, employees and agents thereof
(including any individual who serves at the Advisor's request as director,
officer, partner, member, trustee or the like of another entity) (each such
person being an "Indemnitee") against any liabilities and expenses, including
amounts paid in satisfaction of judgments, in compromise or as fines and
penalties, and counsel fees (all as provided in accordance with applicable state
law) reasonably incurred by such Indemnitee in connection with the defense or
disposition of any action, suit or other proceeding, whether civil or criminal,
before any court or administrative or investigative body in which such
Indemnitee may be or may have been involved as a party or otherwise or with
which such Indemnitee may be or may have been threatened, while acting in any
capacity set forth herein or thereafter by reason of such Indemnitee having
acted in any such capacity, except with respect to any matter as to which such
Indemnitee shall have been adjudicated not to have acted in good faith in the
reasonable belief that such Indemnitee's action was in the best interest of the
Corporation and furthermore, in the case of any criminal proceeding, so long as
such Indemnitee had no reasonable cause to believe that the conduct was
unlawful; provided, however, that (1) no Indemnitee shall be indemnified
hereunder against any liability to the Corporation or its shareholders or any
expense of such Indemnitee arising by reason of (i) willful misfeasance, (ii)
bad faith, (iii) gross negligence or (iv) reckless disregard of the duties
involved in the conduct of such Indemnitee's position (the conduct referred to
in such clauses (i) through (iv) being sometimes referred to herein as
"disabling conduct"), (2) as to any matter disposed of by

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settlement or a compromise payment by such Indemnitee, pursuant to a consent
decree or otherwise, no indemnification either for said payment or for any other
expenses shall be provided unless there has been a determination that such
settlement or compromise is in the best interests of the Corporation and that
such Indemnitee appears to have acted in good faith in the reasonable belief
that such Indemnitee's action was in the best interest of the Corporation and
did not involve disabling conduct by such Indemnitee and (3) with respect to any
action, suit or other proceeding voluntarily prosecuted by any Indemnitee as
plaintiff, indemnification shall be mandatory only if the prosecution of such
action, suit or other proceeding by such Indemnitee was authorized by a majority
of the full Board of Directors of the Corporation.

            (b) The Corporation may make advance payments in connection with the
expenses of defending any action with respect to which indemnification might be
sought thereunder if the Corporation receives a written affirmation of the
Indemnitee's good faith belief that the standard of conduct necessary for
indemnification has been met and a written undertaking to reimburse the
Corporation unless it is subsequently determined that such Indemnitee is
entitled to such indemnification and if the Directors of the Corporation
determine that the facts then known to them would not preclude indemnification.
In addition, at least one of the following conditions must be met: (A) the
Indemnitee shall provide security for such Indemnitee undertaking, (B) the
Corporation shall be insured against losses arising by reason of any unlawful
advance, or (C) a majority of a quorum consisting of Directors of the
Corporation who are neither "interested persons" of the Corporation (as defined
in Section 2(a)(19) of the 1940 Act) nor parties to the proceeding
("Disinterested Non Party Directors") or an independent legal counsel in a
written opinion, shall determine, based on a review of readily available facts
(as opposed to a full trial type inquiry), that there is reason to believe that
the Indemnitee ultimately will be found entitled to indemnification.

            (c) All determinations with respect to the standards for
indemnification hereunder shall be made (1) by a final decision on the merits by
a court or other body before whom the proceeding was brought that such
Indemnitee is not liable or is not liable by reason of disabling conduct, or (2)
in the absence of such a decision, by (i) a majority vote of a quorum of the
Disinterested Non Party Directors of the Corporation, or (ii) if such a quorum
is not obtainable or, even if obtainable, if a majority vote of such quorum so
directs, independent legal counsel in a written opinion. All determinations that
advance payments in connection with the expense of defending any proceeding
shall be authorized and shall be made in accordance with the immediately
preceding clause (2) above.

      The rights accruing to any Indemnitee under these provisions shall not
exclude any other right to which such Indemnitee may be lawfully entitled.

      11. Limitation on Liability. The Advisor will not be liable for any error
of judgment or mistake of law or for any loss suffered by the Advisor or by the
Fund in connection with the performance of this Agreement, except a loss
resulting from a breach of fiduciary duty with respect to the receipt of
compensation for services or a loss resulting from willful misfeasance, bad
faith or gross negligence on its part in the performance of its duties or from
reckless disregard by it of its duties under this Agreement. As used in this
Section 11, the term "Advisor" shall include any affiliates of the Advisor
performing services for the Corporation contemplated hereby and partners,
directors, officers and employees of the Advisor and of such affiliates.

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      12. Duration and Termination. This Agreement shall become effective as of
the date hereof and, unless sooner terminated with respect to the Fund as
provided herein, shall continue in effect for a period of two years. Thereafter,
if not terminated, this Agreement shall continue in effect with respect to the
Fund for successive periods of 12 months, provided such continuance is
specifically approved at least annually by both (a) the vote of a majority of
the Corporation's Board of Directors or the vote of a majority of the
outstanding voting securities of the Fund at the time outstanding and entitled
to vote, and (b) by the vote of a majority of the Directors who are not parties
to this Agreement or interested persons of any party to this Agreement, cast in
person at a meeting called for the purpose of voting on such approval.
Notwithstanding the foregoing, this Agreement may be terminated by the
Corporation at any time, without the payment of any penalty, upon giving the
Advisor 60 days' notice (which notice may be waived by the Advisor), provided
that such termination by the Corporation shall be directed or approved by the
vote of a majority of the Directors of the Corporation in office at the time or
by the vote of the holders of a majority of the voting securities of the Fund at
the time outstanding and entitled to vote, or by the Advisor on 60 days' written
notice (which notice may be waived by the Corporation). This Agreement will also
immediately terminate in the event of its assignment. (As used in this
Agreement, the terms "majority of the outstanding voting securities,"
"interested person" and "assignment" shall have the same meanings of such terms
in the 1940 Act.)

      13. Notices. Any notice under this Agreement shall be in writing to the
other party at such address as the other party may designate from time to time
for the receipt of such notice and shall be deemed to be received on the earlier
of the date actually received or on the fourth day after the postmark if such
notice is mailed first class postage prepaid.

      14. Amendment of this Agreement. This Agreement may be amended by the
parties only if such amendment is specifically approved by the vote of the Board
of Directors of the Corporation, including a majority of those Directors who are
not parties to this Agreement or interested persons of any such party cast in
person at a meeting called for the purpose of voting on such approval and, where
required by the 1940 Act, by a vote of a majority of the outstanding voting
securities of the Fund.

      15. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of New York for contracts to be performed
entirely therein without reference to choice of law principles thereof and in
accordance with the applicable provisions of the 1940 Act. To the extent that
the applicable laws of the State of New York, or any of the provisions, conflict
with the applicable provisions of the 1940 Act, the latter shall control.

      16. Use of the Name BlackRock. The Advisor has consented to the use by the
Corporation of the name or identifying word "BlackRock" in the name of the
Corporation. Such consent is conditioned upon the employment of the Advisor as
the investment advisor to the Fund. The name or identifying word "BlackRock" may
be used from time to time in other connections and for other purposes by the
Advisor and any of its affiliates. The Advisor may require the Fund to cease
using "BlackRock" in the name of the Corporation if the Corporation ceases to
employ, for any reason, the Advisor, any successor thereto or any affiliate
thereof as investment advisor of the Fund.

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      17. Miscellaneous. The captions in this Agreement are included for
convenience of reference only and in no way define or delimit any of the
provisions hereof or otherwise affect their construction or effect. If any
provision of this Agreement shall be held or made invalid by a court decision,
statute, rule or otherwise, the remainder of this Agreement shall not be
affected thereby. This Agreement shall be binding on, and shall inure to the
benefit of the parties hereto and their respective successors.

      18. Counterparts. This Agreement may be executed in counterparts by the
parties hereto, each of which shall constitute an original counterpart, and all
of which, together, shall constitute one Agreement.

            IN WITNESS WHEREOF, the parties hereto have caused the foregoing
instrument to be executed by their duly authorized officers, all as of the day
and the year first above written.

                                 BLACKROCK LARGE CAP SERIES FUNDS, INC.,
                                 on behalf of BlackRock Large Cap Core Plus Fund

                                 By:
                                     -------------------------------------------
                                     Name
                                     Title

                                 BLACKROCK ADVISORS, LLC

                                 By:
                                     -------------------------------------------
                                     Name
                                     Title

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                                   Schedule A

                             Investment Advisory Fee

[  ]% of the Fund's average daily Net AssetsExhibit 4(b)

                        SUB-INVESTMENT ADVISORY AGREEMENT

      AGREEMENT dated [     ], 2007, between BlackRock Advisors, LLC, a Delaware
limited liability corporation (the "Advisor"), and BlackRock Investment
Management, LLC, a Delaware limited liability corporation (the "Sub-Advisor").

      WHEREAS, the Advisor has agreed to furnish investment advisory services to
the BlackRock Large Cap Core Plus Fund (the "Fund"), a series of BlackRock Large
Cap Series Funds, Inc., a Maryland corporation (the "Corporation"), an open-end
management investment company registered under the Investment Company Act of
1940, as amended (the "1940 Act");

      WHEREAS, the Advisor wishes to retain the Sub-Advisor to provide it with
certain sub-advisory services as described below in connection with Advisor's
advisory activities on behalf of the Fund;

      WHEREAS, the advisory agreement between the Advisor and the Corporation,
dated October 2, 2006 (such agreement or the most recent successor agreement
between such parties relating to advisory services to the Corporation is
referred to herein as the "Advisory Agreement") contemplates that the Advisor
may sub-contract investment advisory services with respect to the Fund to a
sub-advisor pursuant to a sub-advisory agreement agreeable to the Corporation
and approved in accordance with the provisions of the 1940 Act; and

      WHEREAS, this Agreement has been approved in accordance with the
provisions of the 1940 Act, and the Sub-Advisor is willing to furnish such
services upon the terms and conditions herein set forth;

      NOW, THEREFORE, in consideration of the mutual premises and covenants
herein contained and other good and valuable consideration, the receipt of which
is hereby acknowledged, it is agreed by and between the parties hereto as
follows:

      1. Appointment. The Advisor hereby appoints the Sub-Advisor to act as
sub-advisor with respect to the Fund and the Sub-Advisor accepts such
appointment and agrees to render the services herein set forth for the
compensation herein provided.

      2. Services of the Sub-Advisor. Subject to the succeeding provisions of
this section, the oversight and supervision of the Advisor and the direction and
control of the Corporation's Board of Directors, the Sub-Advisor will perform
certain of the day-to-day operations of the Fund, which may include one or more
of the following services, at the request of the Advisor: (a) acting as
investment advisor for and managing the investment and reinvestment of those
assets of the Fund as the Advisor may from time to time request and in
connection therewith have complete discretion in purchasing and selling such
securities and other assets for the Fund and in voting, exercising consents and
exercising all other rights appertaining to such securities and other assets on
behalf of the Fund; (b) arranging, subject to the provisions of paragraph 3
hereof, for the purchase and sale of securities and other assets of the Fund;
(c) providing investment research and credit analysis concerning the Fund's
<PAGE>

investments, (d) assist the Advisor in determining what portion of the Fund's
assets will be invested in cash, cash equivalents and money market instruments,
(e) placing orders for all purchases and sales of such investments made for the
Fund, and (f) maintaining the books and records as are required to support Fund
investment operations. At the request of the Advisor, the Sub-Advisor will also,
subject to the oversight and supervision of the Advisor and the direction and
control of the Corporation's Board of Directors, provide to the Advisor or the
Fund any of the facilities and equipment and perform any of the services
described in Section 3 of the Advisory Agreement. In addition, the Sub-Advisor
will keep the Fund and the Advisor informed of developments materially affecting
the Fund and shall, on its own initiative, furnish to the Fund from time to time
whatever information the Sub-Advisor believes appropriate for this purpose. The
Sub-Advisor will periodically communicate to the Advisor, at such times as the
Advisor may direct, information concerning the purchase and sale of securities
for the Fund, including: (a) the name of the issuer, (b) the amount of the
purchase or sale, (c) the name of the broker or dealer, if any, through which
the purchase or sale is effected, (d) the CUSIP number of the instrument, if
any, and (e) such other information as the Advisor may reasonably require for
purposes of fulfilling its obligations to the Fund under the Advisory Agreement.
The Sub-Advisor will provide the services rendered by it under this Agreement in
accordance with the Fund's investment objectives, policies and restrictions (as
currently in effect and as they may be amended or supplemented from time to
time) as stated in the Fund's Prospectus and Statement of Additional Information
and the resolutions of the Corporation's Board of Directors.

      3. Covenants. (a) In the performance of its duties under this Agreement,
the Sub-Advisor shall at all times conform to, and act in accordance with, any
requirements imposed by: (i) the provisions of the 1940 Act and the Investment
Advisers Act of 1940, as amended (the "Advisers Act") and all applicable Rules
and Regulations of the Securities and Exchange Commission (the "SEC"); (ii) any
other applicable provision of law; (iii) the provisions of the Charter and
By-Laws of the Corporation, as such documents are amended from time to time;
(iv) the investment objectives and policies of the Fund as set forth in the
Corporation's Registration Statement on Form N-1A and/or the resolutions of the
Board of Directors; and (v) any policies and determinations of the Board of
Directors of the Corporation and

            (b) In addition, the Sub-Advisor will:

                  (i) place orders  either  directly with the issuer or with any
      broker or dealer.  Subject to the other  provisions of this paragraph,  in
      placing orders with brokers and dealers,  the Sub-Advisor  will attempt to
      obtain the best price and the most favorable  execution of its orders.  In
      placing orders,  the Sub-Advisor will consider the experience and skill of
      the  firm's   securities   traders   as  well  as  the  firm's   financial
      responsibility  and  administrative   efficiency.   Consistent  with  this
      obligation,  the  Sub-Advisor  may  select  brokers  on the  basis  of the
      research,  statistical  and pricing  services they provide to the Fund and
      other clients of the Advisor or the Sub-Advisor.  Information and research
      received from such brokers will be in addition to, and not in lieu of, the
      services  required  to  be  performed  by  the  Sub-Advisor  hereunder.  A
      commission  paid to such  brokers  may be higher  than that which  another
      qualified  broker would have charged for effecting  the same  transaction,
      provided that the Sub-

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<PAGE>

      Advisor  determines  in good faith that such  commission  is reasonable in
      terms  either of the  transaction  or the  overall  responsibility  of the
      Advisor and the  Sub-Advisor  to the Fund and their other clients and that
      the total  commissions  paid by the Fund will be reasonable in relation to
      the benefits to the Fund over the long-term.  Subject to the foregoing and
      the  provisions of the 1940 Act, the  Securities  Exchange Act of 1934, as
      amended,  and other  applicable  provisions of law, the Advisor may select
      brokers and dealers with which it or the Corporation is affiliated;

                  (ii)  maintain  books and records  with  respect to the Fund's
      securities   transactions   and  will   render  to  the  Advisor  and  the
      Corporation's Board of Directors such periodic and special reports as they
      may request;

                  (iii)  maintain  a  policy  and  practice  of  conducting  its
      investment  advisory  services  hereunder  independently of the commercial
      banking   operations  of  its  affiliates.   When  the  Sub-Advisor  makes
      investment recommendations for the Fund, its investment advisory personnel
      will  not  inquire  or take  into  consideration  whether  the  issuer  of
      securities  proposed  for  purchase  or sale for the  Fund's  account  are
      customers of the commercial department of its affiliates; and

                  (iv) treat  confidentially  and as proprietary  information of
      the Fund all records and other  information  relative to the Fund, and the
      Fund's  prior,  current or potential  shareholders,  and will not use such
      records and  information  for any purpose  other than  performance  of its
      responsibilities and duties hereunder,  except after prior notification to
      and  approval  in  writing  by  the  Fund,  which  approval  shall  not be
      unreasonably withheld and may not be withheld where the Sub-Advisor may be
      exposed to civil or criminal  contempt  proceedings for failure to comply,
      when   requested  to  divulge  such   information   by  duly   constituted
      authorities, or when so requested by the Fund.

      4. Services Not Exclusive. Nothing in this Agreement shall prevent the
Sub-Advisor or any officer, employee or other affiliate thereof from acting as
investment advisor for any other person, firm or corporation, or from engaging
in any other lawful activity, and shall not in any way limit or restrict the
Sub-Advisor or any of its officers, employees or agents from buying, selling or
trading any securities for its or their own accounts or for the accounts of
others for whom it or they may be acting; provided, however, that the
Sub-Advisor will undertake no activities which, in its judgment, will adversely
affect the performance of its obligations under this Agreement.

      5. Books and Records. In compliance with the requirements of Rule 31a-3
under the 1940 Act, the Sub-Advisor hereby agrees that all records which it
maintains for the Corporation are the property of the Corporation and further
agrees to surrender promptly to the Corporation any such records upon the
Corporation's request. The Sub-Advisor further agrees to preserve for the
periods prescribed by Rule 31a-2 under the 1940 Act the records required to be
maintained by Rule 31a-1 under the 1940 Act (to the extent such books and
records are not maintained by the Advisor).

                                       3
<PAGE>

      6. Expenses. During the term of this Agreement, the Sub-Advisor will bear
all costs and expenses of its employees and any overhead incurred by the
Sub-Advisor in connection with its duties hereunder; provided that the Board of
Directors of the Corporation may approve reimbursement to the Sub-Advisor of the
pro-rata portion of the salaries, bonuses, health insurance, retirement benefits
and all similar employment costs for the time spent on Fund operations
(including, without limitation, compliance matters) (other than the provision of
investment advice and administrative services required to be provided hereunder)
of all personnel employed by the Sub-Advisor who devote substantial time to Fund
operations or the operations of other investment companies advised or
sub-advised by the Sub-Advisor.

      7. Compensation.

            (a) The Advisor agrees to pay to the Sub-Advisor and the Sub-Advisor
agrees to accept as full compensation for all services rendered by the
Sub-Advisor as such, a monthly fee in arrears at an annual rate equal to the
amount set forth in Schedule A hereto. For any period less than a month during
which this Agreement is in effect, the fee shall be prorated according to the
proportion which such period bears to a full month of 28, 29, 30 or 31 days, as
the case may be.

            (b) For purposes of this Agreement, the net assets of the Fund shall
be calculated pursuant to the procedures adopted by resolutions of the Directors
of the Corporation for calculating the value of the Fund's assets or delegating
such calculations to third parties.

      8. Indemnity.

            (a) The Corporation may, in the discretion of the Board of Directors
of the Corporation, indemnify the Sub-Advisor, and each of the Sub-Advisor's
directors, officers, employees, agents, associates and controlling persons and
the directors, partners, members, officers, employees and agents thereof
(including any individual who serves at the Sub-Advisor's request as director,
officer, partner, member, trustee or the like of another entity) (each such
person being an "Indemnitee") against any liabilities and expenses, including
amounts paid in satisfaction of judgments, in compromise or as fines and
penalties, and counsel fees (all as provided in accordance with applicable state
law) reasonably incurred by such Indemnitee in connection with the defense or
disposition of any action, suit or other proceeding, whether civil or criminal,
before any court or administrative or investigative body in which such
Indemnitee may be or may have been involved as a party or otherwise or with
which such Indemnitee may be or may have been threatened, while acting in any
capacity set forth herein or thereafter by reason of such Indemnitee having
acted in any such capacity, except with respect to any matter as to which such
Indemnitee shall have been adjudicated not to have acted in good faith in the
reasonable belief that such Indemnitee's action was in the best interest of the
Corporation and furthermore, in the case of any criminal proceeding, so long as
such Indemnitee had no reasonable cause to believe that the conduct was
unlawful; provided, however, that (1) no Indemnitee shall be indemnified
hereunder against any liability to the Corporation or its shareholders or any
expense of such Indemnitee arising by reason of (i) willful misfeasance, (ii)
bad faith, (iii) gross negligence or (iv) reckless disregard of the duties
involved in the conduct of such Indemnitee's position (the conduct referred to
in such clauses (i) through (iv)

                                       4
<PAGE>

being sometimes referred to herein as "disabling conduct"), (2) as to any matter
disposed of by settlement or a compromise payment by such Indemnitee, pursuant
to a consent decree or otherwise, no indemnification either for said payment or
for any other expenses shall be provided unless there has been a determination
that such settlement or compromise is in the best interests of the Corporation
and that such Indemnitee appears to have acted in good faith in the reasonable
belief that such Indemnitee's action was in the best interest of the Corporation
and did not involve disabling conduct by such Indemnitee and (3) with respect to
any action, suit or other proceeding voluntarily prosecuted by any Indemnitee as
plaintiff, indemnification shall be mandatory only if the prosecution of such
action, suit or other proceeding by such Indemnitee was authorized by a majority
of the full Board of Directors of the Corporation.

            (b) The Corporation shall make advance payments in connection with
the expenses of defending any action with respect to which indemnification might
be sought hereunder if the Corporation receives a written affirmation of the
Indemnitee's good faith belief that the standard of conduct necessary for
indemnification has been met and a written undertaking to reimburse the
Corporation unless it is subsequently determined that such Indemnitee is
entitled to such indemnification and if the Directors of the Corporation
determine that the facts then known to them would not preclude indemnification.
In addition, at least one of the following conditions must be met: (A) the
Indemnitee shall provide a security for such Indemnitee undertaking, (B) the
Fund shall be insured against losses arising by reason of any unlawful advance,
or (C) a majority of a quorum consisting of Directors of the Corporation who are
neither "interested persons" of the Corporation (as defined in Section 2(a)(19)
of the 1940 Act) nor parties to the proceeding ("Disinterested Non-Party
Directors") or an independent legal counsel in a written opinion, shall
determine, based on a review of readily available facts (as opposed to a full
trial-type inquiry), that there is reason to believe that the Indemnitee
ultimately will be found entitled to indemnification.

            (c) All determinations with respect to the standards for
indemnification hereunder shall be made (1) by a final decision on the merits by
a court or other body before whom the proceeding was brought that such
Indemnitee is not liable by reason of disabling conduct, or (2) in the absence
of such a decision, by (i) a majority vote of a quorum of the Disinterested
Non-Party Directors of the Corporation, or (ii) if such a quorum is not
obtainable or even, if obtainable, if a majority vote of such quorum so directs,
independent legal counsel in a written opinion. All determinations that advance
payments in connection with the expense of defending any proceeding shall be
authorized shall be made in accordance with the immediately preceding clause (2)
above.

      The rights accruing to any Indemnitee under these provisions shall not
exclude any other right to which such Indemnitee may be lawfully entitled.

      9. Limitation on Liability. The Sub-Advisor will not be liable for any
error of judgment or mistake of law or for any loss suffered by the Advisor or
by the Fund in connection with the performance of this Agreement, except a loss
resulting from a breach of fiduciary duty with respect to the receipt of
compensation for services or a loss resulting from willful misfeasance, bad
faith or gross negligence on its part in the performance of its duties or from
reckless disregard by it of its duties under this Agreement. As used in this
Section 9(a), the term "Sub-Advisor" shall include any

                                       5
<PAGE>

affiliates of the Sub-Advisor performing services for the Fund contemplated
hereby and partners, directors, officers and employees of the Sub-Advisor and
such affiliates.

      10. Duration and Termination. This Agreement shall become effective as of
the date hereof and, unless sooner terminated with respect to the Fund as
provided herein, shall continue in effect for a period of two years. Thereafter,
if not terminated, this Agreement shall continue in effect with respect to the
Fund for successive periods of 12 months, provided such continuance is
specifically approved at least annually by both (a) the vote of a majority of
the Corporation's Board of Directors or a vote of a majority of the outstanding
voting securities of the Fund at the time outstanding and entitled to vote and
(b) by the vote of a majority of the Directors, who are not parties to this
Agreement or interested persons (as such term is defined in the 1940 Act) of any
such party, cast in person at a meeting called for the purpose of voting on such
approval. Notwithstanding the foregoing, this Agreement may be terminated by the
Corporation or the Advisor at any time, without the payment of any penalty, upon
giving the Sub-Advisor 60 days' notice (which notice may be waived by the
Sub-Advisor), provided that such termination by the Corporation or the Advisor
shall be directed or approved by the vote of a majority of the Directors of the
Corporation in office at the time or by the vote of the holders of a majority of
the voting securities of the Fund at the time outstanding and entitled to vote,
or by the Sub-Advisor on 60 days' written notice (which notice may be waived by
the Corporation and the Advisor), and will terminate automatically upon any
termination of the Advisory Agreement between the Corporation and the Advisor.
This Agreement will also immediately terminate in the event of its assignment.
(As used in this Agreement, the terms "majority of the outstanding voting
securities," "interested person" and "assignment" shall have the same meanings
of such terms in the 1940 Act.)

      11. Notices. Any notice under this Agreement shall be in writing to the
other party at such address as the other party may designate from time to time
for the receipt of such notice and shall be deemed to be received on the earlier
of the date actually received or on the fourth day after the postmark if such
notice is mailed first class postage prepaid.

      12. Amendment of this Agreement. This Agreement may be amended by the
parties only if such amendment is specifically approved by the vote of the Board
of Directors of the Corporation, including a majority of those Directors who are
not parties to this Agreement or interested persons of any such party cast in
person at a meeting called for the purpose of voting on such approval and, where
required by the 1940 Act, by a vote of a majority of the outstanding voting
securities of the Fund.

      13. Miscellaneous. The captions in this Agreement are included for
convenience of reference only and in no way define or delimit any of the
provisions hereof or otherwise affect their construction or effect. If any
provision of this Agreement shall be held or made invalid by a court decision,
statute, rule or otherwise, the remainder of this Agreement shall not be
affected thereby. This Agreement shall be binding on, and shall inure to the
benefit of the parties hereto and their respective successors.

                                       6
<PAGE>

      14. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of New York for contracts to be performed
entirely therein without reference to choice of law principles thereof and in
accordance with the applicable provisions of the 1940 Act. To the extent that
the applicable laws of the State of New York, or any of the provisions, conflict
with the applicable provisions of the 1940 Act, the latter shall control.

      15. Counterparts. This Agreement may be executed in counterparts by the
parties hereto, each of which shall constitute an original counterpart, and all
of which, together, shall constitute one Agreement.

            IN WITNESS WHEREOF, the parties hereto have caused this instrument
to be executed by their duly authorized officers designated below as of the day
and year first above written.

                                           BLACKROCK ADVISORS, LLC

                                           By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                           BLACKROCK INVESTMENT MANAGEMENT, INC.

                                           By:
                                               ---------------------------------
                                               Name:
                                               Title:

AGREED AND ACCEPTED
as of the date first set forth above

BLACKROCK LARGE CAP SERIES FUNDS, INC.

By:
   ----------------------
Name:
Title:

                                       7
<PAGE>

                                   Schedule A

                           Sub-Investment Advisory Fee

[  ]% of the monthly advisory fee received by the Advisor from the Fund.

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