Document:

<PAGE>

                                                                     EXHIBIT 4.4

                          [LETTERHEAD OF VENTAS, INC.]

February 28, 2001

Seth Klarman
President
The Baupost Group, L.L.C.
44 Brattle Street
P.O. Box 381288
Cambridge, Massachusetts  02238

Re:  Request by The Baupost Group, L.L.C. ("TBG") for a Waiver of Certain
     Provisions of Article XII of the Certificate of Incorporation of Ventas,
     Inc. (the "Company")
     ------------------------------------------------------------------------

Dear Mr. Klarman:

          This letter is in response to the request by TBG for an amendment of
the previously granted waiver of certain provisions of Article XII of the
Certificate of Incorporation of the Company with respect to TBG and its Advisory
Clients as described in the letter from TBG to the Company dated February 28,
2001, which is attached hereto (the "Request Letter").  Terms used herein with
an initial capital letter and not otherwise defined shall have the meaning
specified in said Article XII.

          Based upon the representations, warranties and covenants set forth in
the Request Letter, the Company hereby confirms that, effective as of April 15,
1999, the term "Ownership Limit" with respect to Common Shares shall mean,
solely as applied to TBG, its Advisory Clients, and any other person who, in
combination with TBG or the Advisory Clients, would comprise a "group" as that
term is used for purposes of Section 13(d)(3) of the Securities Exchange Act of
1934, Beneficial Ownership of 14.9%, in number of shares or value, of the Common
Shares.

          Notwithstanding the foregoing, the ownership of the Company's Common
Shares by TBG or any of its Advisory Clients shall remain subject to the
otherwise applicable 9.0% Ownership Limit in the event that such ownership
should result in (i) any "individual" (within the meaning of Section 542(a)(2)
of the Internal Revenue Code of 1986, as amended (the "Code"), as modified by
Section 856(h) of the Code) owning (after taking into account the constructive
ownership rules of Section 544 of the Code, as modified by Section 856(h) of the
Code) in excess of 9.0% of the Common Shares or (ii) any 10.0% Company
                                             --
Shareholder, alone or in combination with other 10.0% Company Shareholders,
owning (either directly or by operation of the attribution rules of Section 318
of the Code, as modified by Section 856(d)(5) of the Code), any interest in the
stock of Vencor, Inc. or in the stock, assets, or net profits of any other
present or future tenant of the Company.  For purposes of the preceding
sentence, the term "10.0% Company Shareholder" means a person who beneficially
owns 10.0% or more of the total combined voting power or total number of shares
of stock of the Company, either directly
<PAGE>

or by operation of the attribution rules of Section 318 of the Code, as modified
by Section 856(d)(5) of the Code.

          Without limiting the foregoing, the breach of any representation,
warranty or covenant contained in the Request Letter, or the failure to comply
with the covenants and undertakings in the Request Letter, shall cause the
waiver granted in this letter to become null and void, and shall cause any
Common Shares owned by TBG or its Advisory Clients in excess of the otherwise
applicable 9.0% Ownership Limit to become designated as Excess Shares under
Article XII, in addition to any other remedy available to the Company.

          Nothing in this letter shall be deemed to grant any person, other than
TBG or its Advisory Clients, permission to own securities in excess of the
Company's otherwise applicable 9.0% investment limit.

          If this letter accurately sets forth our understanding, please sign
the letter where indicated below and return a signed copy to me.  This letter
shall be of no force and effect, and may be revoked at any point in time prior
to the Company's receipt of a signed copy from TBG.

                                     Very truly yours,

                                     VENTAS, INC.

                                     By:  /s/ T. Richard Riney
                                          --------------------
                                          Name:  T. Richard Riney
                                          Title: Executive Vice President and
                                                 General Counsel
ACCEPTED AND AGREED
This 28th day of
February, 2001

THE BAUPOST GROUP, L.L.C.
on behalf of itself and on behalf of its
Beneficial Owners and the Advisory Clients

By  /s/ Seth Klarman
    ----------------
    Name:  Seth Klarman
    Title:  President
<PAGE>

                   [LETTERHEAD OF THE BAUPOST GROUP, L.L.C.]

February 28, 2001

Board of Directors
Ventas, Inc.
4360 Brownsboro Road
Suite 115
Louisville, Kentucky 40207-1642

Re:  Request by The Baupost Group, L.L.C. for Waiver to Provisions of Article
     XII of the Certificate of Incorporation of Ventas, Inc. (the "Company")
     ------------------------------------------------------------------------

To the Directors of Ventas, Inc.:

     The Baupost Group, L.L.C. ("TBG") is an investment advisor registered under
the Investment Advisers Act of 1940.  The "Advisory Clients" listed in Exhibit A
hereto, together with TBG, currently own, in the aggregate, 8,224,946 shares of
the outstanding common stock, (the "Common Shares") of the Company (the
"Shares").  Pursuant to advisory contracts with the Advisory Clients, TBG
exercises sole voting and investment discretion over such shares.  No other
person who would constitute, along with TBG or with any one or more of the
Advisory Clients, a "group" as that term is used for purposes of Section
13(d)(3) ("Section 13(d)") of the Securities Exchange Act of 1934, as amended
(the "Exchange Act") owns any shares of the Company.  Because that portion of
the Shares which exceed the Ownership Limit (capitalized terms in this letter
are used as defined in Article XII of the Certificate of Incorporation of the
Company) is subject to being designated as Excess Shares under Article XII, TBG
requests that the Board of Directors of the Company (the "Board") grant a waiver
to TBG and the Advisory Clients from certain of the provisions of Article XII
that relate to limitations upon ownership of Common Shares, so that TBG, its
Advisory Clients, and any other Person who would constitute, along with TBG or
any Advisory Client, a "group" as that term is used for purposes of Section
13(d) of the Exchange Act may Beneficially Own, in the aggregate, up to 14.9%,
in number of shares or value, of the Common Shares.

     In consideration and as a condition to such waiver, each of TBG and the
Advisory Clients agree that it shall not take any of the actions described below
with respect to any Additional Shares for so long as such shares shall
constitute Additional Shares or until any of the Events (as defined below) shall
occur.  "Additional Shares" shall mean the number of Common Shares owned by all
of TBG, the Advisory Clients and any other persons who would constitute, along
with TBG or any Advisory Client, a "group" under Section 13(d), that exceeds
9.0% of the Common Shares of the Company outstanding.  The undersigned has the
legal authority to bind each Advisory Client and the Beneficial Owners of TBG to
the terms of this letter and the related Waiver.  With respect to Additional
Shares, TBG shall not, and it shall not permit any Advisory Clients to:

     (a) Solicit proxies from stockholders of the Company, the power to vote,
become a "participant" in any "election contest" (as such terms are used in Rule
14a-11 of the Exchange
<PAGE>

Act), with respect to the Company, or make any communication (other than as
required by law) referred to in Rule 14a-1(l)(2)(iv) of the Exchange Act in
connection with any election contest or other vote by stockholders of the
Company or otherwise that is contrary to or conflicts with actions taken or
omitted or to be omitted by the Board;

     (b) Seek or vote for the removal of any member of the Board, except removal
"for cause" as such term is used under the Delaware General Corporation Law;

     (c) Vote for any individual nominated for election to the Board other than
those individuals nominated by the Board or a committee thereof;

     (d) Call or seek to have called any meeting of the stockholders of the
Company; or

     (e) Otherwise act, alone or in concert with others (i) by voting to
solicit, propose, or approve any business combination with the Company, (ii) by
voting to solicit, propose or approve any tender offer or exchange offer for any
voting securities of the Company, or (iii) by voting in a manner which would
otherwise assist or facilitate any effort or attempt by any persons to do or
seek to do any of the foregoing.

     Notwithstanding anything herein to the contrary, with respect to Additional
Shares, TBG and its Advisory Clients shall not be prohibited from engaging in
the activities set forth in sections (a) through (e) above at any time after any
of the following events (the "Events") shall occur:

     (a) either Douglas Crocker II or Debra A. Cafaro shall cease to serve as a
director of the Company;

     (b) Debra A. Cafaro shall cease to serve as Chief Executive Officer of the
Company;

     (c) a voluntary or involuntary bankruptcy proceeding shall be commenced by
or against the Company; or

     (d) the average "closing price" of the Company's Common Shares for any
twenty consecutive trading day period shall be less than $2.25 per share
("closing price" shall mean the last sale price, regular way, as reported in the
principal consolidated transaction reporting system where the Common Shares are
listed or admitted to trading or, if the Common Shares are not listed or
admitted to trading on any national securities exchange, the last quoted price,
or if not so quoted, the average of the high bid and low asked prices in the
over-the-counter market, as reported by the National Association of Securities
Dealers, Inc. Automated Quotations System, or if the Common Shares are not
traded, such amount as an independent investment banking firm, mutually selected
by the Company and TBG, determines to be the value of a Common Share).

     In support of its request, TBG hereby makes the following representations,
warranties and covenants:

        1.  The name and taxpayer identification number ("TIN") of each Advisory
Client of TBG is set forth in Exhibit A. Exhibit A shows, as of the date hereof,
the amount of
<PAGE>

Common Shares purchased on behalf of each such Advisory Client and the number of
shares beneficially owned by TBG, none of which exceeds 9.0%.

        2.  In excess of 99% of the ownership interest in each of HB, PB, and YB
respectively, is owned by a single (but different with respect to each of HB, PB
and YB) educational organization described in Section 170(b)(1)(A)(ii) of the
Code, or its affiliated support organization described in Section 509(a)(3) of
the Code.  No Person (as defined in Article XII) Beneficially Owns, or is
believed by TBG to be likely to Beneficially Own in the future, 5% or more of
the outstanding shares (or other ownership interest) of any of the other
Advisory Clients.

        3.  TBG is a limited liability company organized under Massachusetts
law. Seth A. Klarman beneficially owns an approximate 65% interest in TBG.
William J. Poorvu owns an approximate 16.66% interest in TBG. No interests in
TBG are owned by any member of Seth Klarman's Family, any member of Mr. Poorvu's
Family, any Klarman-Related Entities, or any Poorvu-Related Entities. For this
purpose, members of an individual's "Family" include the individual's spouse,
siblings, half-siblings, ancestors, and lineal descendants, and the term
"Related Entities," when used with respect to an individual, includes any trust,
estate, partnership, limited liability company, or corporation in which such
individual and/or a member of such individual's Family is a beneficiary,
partner, member or shareholder owning a 5% or greater interest. No person or
entity beneficially owns an interest in TBG of 5% or more except as specifically
described in this paragraph.

        4.  Neither the Beneficial Owners of TBG, TBG, nor any of its Advisory
Clients, taken separately or taken together in any combination, are, and will
not in the future be, partners in any partnership (other than in an Advisory
Client itself covered by this letter) between or among any two or more of them
as determined for federal income tax purposes which partnership Beneficially
Owns any of the Company's Common Stock. No single Advisory Client or combination
of Advisory Clients with a mutual 10% or greater owner Beneficially Owns, and
will not at any time in the future Beneficially Own, more than 9% of the
Company's Common Shares. Neither the Beneficial Owners of TBG, TBG, nor any of
its Advisory Clients currently Beneficially Owns (within the meaning of Article
XII), and will not at any time in the future Beneficially Own, more than 9.0% of
the Company's Common Shares (excluding for this purpose its Beneficial Ownership
of Common Shares in excess of such amounts to the extent such Beneficial
Ownership results solely from its being treated, along with the Advisory
Clients, as a "group" under Section 13(d) of the Exchange Act).

        5.  None of the Beneficial Owners of TBG, TBG, or TBG's Advisory
Clients, or any other person who would, along with TBG, either constitute a
"group" under Section 13(d)(3) of the Exchange Act or a partnership for federal
income tax purposes, or a 10% or greater Beneficial Owner of any of the
foregoing have Beneficially Owned at any time during 1999 or 2000, currently
Beneficially Own and during the Waiver Period shall not, singly or taken
together in any combination, Beneficially Own any stock, warrants, options,
convertible debt or any other rights to acquire the stock of Vencor, Inc. or any
other tenant of the Company.
<PAGE>

        6.  Seth Klarman, together with members of his Family and all Klarman-
Related Entities, currently do not Beneficially Own, and will not at any time in
the future Beneficially Own, more than 9.0% of the Common Shares (excluding for
this purpose their Beneficial Ownership of Common Shares in excess of such
amounts to the extent such Beneficial Ownership results solely from their being
treated, along with TBG and its Advisory Clients, as a "group" under Section
13(d) of the Exchange Act).

        7.  Seth Klarman, together with members of his Family and all Klarman-
Related Entities, currently do not beneficially own, either actually or under
the constructive ownership rules of Section 318 of the Code, as modified by
Section 856(d)(5) of the Code, any stock of Vencor. In the future, Seth Klarman
will not acquire, on behalf of himself, any member of his Family, or any
Klarman-Related Entity which he controls, any stock of Vencor or any warrants,
options or other rights to acquire any stock of Vencor (including convertible
debt). In addition, Mr. Klarman, together with members of his Family and all
Klarman-Related Entities which he controls, will not acquire any interest
representing (i) the voting power, value or total number of shares of the stock
of any other tenant of the Company that is a corporation or (ii) the assets or
net profits of any tenant of the Company that is an entity other than a
corporation.

        8.  TBG will limit the aggregate Beneficial Ownership (as defined in
Article XII) by it and any Person who would constitute, along with TBG or any
Advisory Client, a "group," as that term is used for purposes of Section 13(d)
of the Exchange Act, of the Common Shares to no more than 14.9%, in number of
shares or value, of the Common Shares.

        9.  (i) No single Advisory Client or combination of Advisory Clients
with a mutual 10.0% or greater owner, Beneficially Owns and will not at any time
in the future Beneficially Own more than 9.0% of the Common Shares, (ii) no
single Advisory Client currently Beneficially Owns and will not at any time in
the future Beneficially Own (either directly or under the attribution rules of
Section 318 of the Code, as modified by Section 856(d)(5) of the Code) any
shares of stock, warrants, options, convertible debt or other rights to acquire
stock of Vencor or any other tenant of the Company, and (iii) none of the
educational organizations or affiliated support organizations described in
paragraph 2 currently beneficially owns (either directly or under the
attribution rules of Section 318 of the Code, as modified by Section 856(d)(5)
of the Code), any of the outstanding shares of stock of Vencor.

        10.  Notwithstanding any other provision of this letter or the related
waiver, if any 10.0% or greater Beneficial Owners of TBG, TBG, its Advisory
Clients, or any other person who would, along with TBG or any of them, either
constitute a "group" under Section 13(d)(3) of the Exchange Act or a partnership
for federal income tax purposes, Beneficially Owns (excluding for this purpose
Beneficial Ownership of Common Stock that results solely from being treated as
part of a "group" under Section 13(d)) more than 9.0% of the stock of the
Company while Beneficially Owning, singly or taken together in any combination,
any of the stock, warrants, options, convertible debt or any other rights to
acquire the stock of Vencor, Inc. or any other tenant of the Company, the
Additional Shares owned will be automatically designated as "Excess Shares"
under Article XII. Such designation will be effective as of the close of
business on the business day prior to the date of the relevant event
<PAGE>

        11.  TBG and any Person who would constitute, along with TBG or any
Advisory Client, a "group" under Section 13(d) of the Exchange Act, will comply
with the terms of Article XII, except as expressly waived by the Board.

        12.  TBG understands that the breach of any representation, warranty or
covenant contained herein or the failure to comply with its covenants and
undertakings in this letter, in addition to any other remedy available to the
Company, subjects the Additional Shares to being designated as "Excess Shares"
under Article XII. In such event, any waiver granted by the Board shall
terminate and the Company may proceed in any manner permitted under Article XII.
If at any time after the date hereof the ownership of Common Stock by any person
covered by this waiver falls below the 9.0% limitation, any subsequent purported
acquisitions of Common Stock in violation of such limitation shall be Excess
Shares.

       13.  If, after the date hereof, the number of Common Shares subject to
this waiver as of the date hereof is reduced through sales or any other
dispositions of Common Stock, this waiver shall, after each such sale or
disposition, apply only to the reduced holding of Common Shares. If at any time
after the date hereof the ownership of Common Shares by any Person covered by
this waiver falls below the 9% limitation, this waiver shall, as to each such
Person, lapse and be of no further effect, with the consequence that thereafter
any subsequent purported acquisition of Common Shares in violation of such
limitation shall result in any shares above the 9% limitation being Excess
Shares. After the lapse of this waiver, the representations and warranties made
by Baupost in this letter shall have no further effect as to Common Shares not
exceeding the 9% Ownership Limit, except that any representations and warranties
made while Common Shares covered by this waiver at any time exceeded the 9%
Ownership Limitation shall continue in effect notwithstanding the lapse of this
waiver.

     Upon acceptance of this letter by you, this letter shall supersede our
letter dated October 26, 1999, which was accepted by you on October 27, 1999,
which shall be of no further force and effect.

                                     Very truly yours,

                                     THE BAUPOST GROUP, L.L.C.
                                     on behalf of itself and on behalf of its
                                     Beneficial Owners and the Advisory Clients

                                     By:/s/ Seth Klarman
                                        ----------------
                                        Name:  Seth Klarman
                                        Title: President
<PAGE>

                                   EXHIBIT A

<TABLE>
<CAPTION>

                                                                             Number of
                                                                             Common
Name of Advisory Client                                        T.I.N.        Shares
------------------------------------------------------------   ------------- -------------
<S>                                                            <C>           <C>
1.  The Baupost Fund (the "Fund")/1/                             04-6655157      550,450

2.  Baupost Limited Partnership 1983 A-1 ("A")                   04-2780320      885,300

3.  Baupost Limited Partnership 1983 B-1 ("B")                   04-2780324      417,200

4.  Baupost Limited Partnership 1983 C-1 ("C")                   04-2780321    2,710,596

5.  Baupost Limited Partnership 1987 F-1 ("F")                   04-2982721            0

6.  HB Institutional Limited Partnership ("HB")                  04-3425685    2,222,150

7.  PB Institutional Limited Partnership ("PB")                  04-3425688      933,350

8.  YB Institutional Limited Partnership ("YB")                  04-3431530      424,900

9.  Baupost Value Partners, L.P.-I                               04-3506440       72,900

10.  Baupost Value Partners, L.P.-II                             04-3507557        8,100

Investment Adviser
------------------

The Baupost Group, L.L.C. ("TBG")                                04-3402144            0
</TABLE>
--------------------------------

        /1/    The Fund, a Massachusetts business trust, is an open-end
               management investment company registered under the Investment
               Company Act of 1940, as amended, that has elected to be taxed as
               a regulated investment company under the Code.<PAGE>

                                                                     EXHIBIT 4.7
                          [LETTERHEAD OF VENTAS, INC.]

February 14, 2001

Michael Marrone
Vice President and Director of Operations
Cramer Rosenthal & McGlynn, LLC
707 Westchester Avenue
White Plains, NY 10604

     RE:  Request by Cramer Rosenthal & McGlynn, LLC, Inc. for a Waiver of the
          Provisions of Article XII of the Certificate of Incorporation of
          Ventas, Inc. (the "Company")
          --------------------------------------------------------------------

Dear Mr. Marrone:

          This letter is in response to the request by Cramer Rosenthal &
McGlynn, LLC, Inc. ("CRM") for a waiver of the provisions of Article XII of the
Certificate of Incorporation of the Company with respect to CRM as described in
the letter from CRM to the Company dated February 13, 2001, which is attached
hereto (the "Request Letter").  Capitalized terms used but not defined herein
shall have the meaning set forth in the Request Letter.

          The Board hereby Waives, on the terms and subject to the conditions
set forth in this letter and the Request Letter, the application of Article XII
to CRM with respect to the provisions thereof limiting Beneficial Ownership of
Common Stock of the Company for the Waiver Period.  The breach of any
representation, warranty, covenant or agreement contained in the Request Letter,
or the failure to comply with the covenants and agreements in the Request
Letter, shall cause the Waiver granted in this letter to become retroactively
null and void, and shall retroactively cause any Common Shares owned by CRM in
excess of the otherwise applicable 9.0% Ownership Limit to become designated
Excess Shares under Article XII, in addition to any other remedy available to
the Company.

          Notwithstanding the foregoing, the ownership of the Company's Common
Shares by CRM shall remain subject to the otherwise applicable 9.0% Ownership
Limit in the event that such ownership should result in (i) any "individual"
(within the meaning of Section 542(a)(2) of the Internal Revenue Code of 1986,
as amended (the "Code"), as modified by Section 856(h) of the Code) owning
(after taking into account the constructive ownership rules of Section 544 of
the Code, as modified by Section 856(h) of the Code) in excess of 9.0% of the
Common Shares or (ii) any 10.0% Company Shareholder, alone or in combination
              --
with other 10.0% Company Shareholders, owning (either directly or by operation
of the attribution rules of Section 318 of the Code, as modified by Section
856(d)(5) of the Code), any interest in the stock of Vencor, Inc. or in
<PAGE>

the stock, assets, or net profits of any other present or future tenant of the
Company. For purposes of the preceding sentence, the term "10.0% Company
Shareholder" means a person who, but for the 9.0% Ownership Limit, would
beneficially own 10.0% or more of the total combined voting power, total number,
or total value of all shares of stock of the Company, either directly or by
operation of the attribution rules of Section 318 of the Code, as modified by
Section 856(d)(5) of the Code.

          If this letter accurately sets forth our understanding, please sign
the letter where indicated below and return a signed copy to me.  This letter
shall be of no force and effect, and may be revoked at any point in time prior
to the Company's receipt of a signed copy from CRM.

                                 Very truly yours,

                                 VENTAS, INC.

                                 By: /s/ T. Richard Riney
                                     --------------------
                                     Name:  T. Richard Riney
                                     Title: Executive Vice President and
                                            General Counsel

ACCEPTED AND AGREED
This ___ day of
February, 2001

CRAMER ROSENTHAL & MCGLYNN, LLC, INC.

By:  /s/ Michael Marrone
     -------------------
     Name: Michael Marrone
     Vice President and Director of Operations

attachment
<PAGE>

                 [LETTERHEAD OF CRAMER ROSENTHAL MCGLYNN, LLC]

February 13, 2000

Board of Directors
Ventas, Inc.
4360 Brownsboro Rd.
Suite 115
Louisville, KY  40207

     Re:  Request by Cramer Rosenthal & McGlynn, LLC, Inc. for a
     Waiver of Provisions
     of Article XII of the Certificate of Incorporation of Ventas, Inc.
     ------------------------------------------------------------------

To the Board of Directors of Ventas, Inc.:

          Cramer Rosenthal & McGlynn, LLC, Inc. ("CRM") is an investment adviser
registered under the Investment Advisers Act of 1940.  Its clients
(collectively, "Advisory Clients") currently own, in the aggregate, 6,651,300
shares (the "Shares") (or 9.72%) of the outstanding common stock (the "Common
Stock") of Ventas, Inc. (the "Company") under the management of CRM.  Pursuant
to contracts with its Advisory Clients, CRM exercises investment discretion (and
in some cases, voting discretion) over the Shares.  CRM acknowledges that the
portion of the Shares which exceed the Ownership Limitation (capitalized terms
in this letter are used as defined in Article XII of the Certificate of
Incorporation of the Company ("Article XII")) is subject to being designated
Excess Stock under Article XII.  CRM requests that the Company waive (the
"Waiver") the application of Article XII with respect to the Shares that exceed
the Ownership Limitation (the "Additional Shares") during the period (the
"Waiver Period") from the date hereof, until the expiration of a period of the
Waiver Period (the "Waiver Expiration Date") on the terms and subject to the
conditions set forth herein.

          In support of its request for the Waiver, CRM makes the following
representations, warranties, covenants and agreements:

          1.  Sale of Shares; No Increase in Beneficial Ownership.  During such
              ---------------------------------------------------
time as the Waiver is in effect, at no point in time shall CRM or its Advisory
Clients increase the Beneficial Ownership (as defined in Article XII) of Common
Stock.

          2.  Expiration of Waiver.  The Waiver shall expire, and the Waiver
              --------------------
Period shall terminate, on the first to occur of (a) as to any Additional Shares
disposed of, the date on which CRM and/or its Advisory Clients dispose of any
Additional Shares, it being understood that any Shares acquired by any of them
after the date hereof which, together with shares equal to the Ownership Limit,
exceed the lowest number of Additional Shares at any time after the date hereof
shall be Excess Shares, (b) such date as CRM Beneficially Owns less than the
Ownership Limitation, or (c) a breach by CRM

<PAGE>

of any of the representations, warranties, covenants or agreements contained in
this Request Letter. Upon expiration of the Waiver and the Waiver Period with
respect to any Additional Shares, such Additional Shares shall automatically be
designated as "Excess Shares" under Article XII. Such designation will be
effective as of the close of business on the business day prior to the date of
the relevant event. CRM understands and acknowledges that the "Excess Share"
designation shall be in addition to any other remedy that the Company may have
upon a breach by CRM of any representation, warranty, covenant or agreement
contained herein.

          3.  Representations and Warranties.  CRM represents and warrants to
              ------------------------------
the Company as follows:

              a)  As of the date of this Request Letter, and with respect to any
    Common Stock under CRM management, the Advisory Clients Beneficially Owned
    in the aggregate 9.72% of the outstanding Common Stock of the Company;
    however, neither CRM nor any single Advisory Client Beneficially Owned more
    than 9% of the Common Stock of the Company. CRM is not in a partnership (as
    determined for federal income tax purposes) composed of CRM and one or more
    Advisory Clients, and CRM's Advisory Clients do not own more than 9.9% of
    CRM or any corporation controlled or managed by CRM.

              b)  No other person who would constitute, along with CRM, a
    "group" as that term is used for purposes of Section 13(d)(3) ("Section
    13(d)") of the Securities Exchange Act of 1934, as amended (the "Exchange
    Act"), owns any shares of Common Stock.

          4.  Covenants Regarding Ownership Attributes of the Additional Shares.
             ------------------------------------------------------------------
During the Waiver Period, CRM agrees that it shall not take any of the following
actions with respect to any Additional Shares (it being understood that the
limitations of this Section 4 shall not apply to Shares that are not Additional
Shares):

              a)  Solicit proxies from stockholders of the Company, the power to
    vote, become a "participant" in any "election contest" (as such terms are
    used in Rule 14a-11 of the Exchange Act), with respect to the Company, or
    make any communication (other than as required by law) referred to in Rule
    14a-1(I)(2)(iv) of the Exchange Act in connection with any election contest
    or other vote by stockholders of the Company or otherwise that is contrary
    to or conflicts with actions taken or omitted or to be omitted by the Board;

              b)  Seek or vote for the removal of any member of the Board,
    except removal "for cause" as such term is used under the Delaware General
    Corporation Law;

              c) Vote for any individual nominated for election to the Board
    thereof other than those individuals nominated by the Board or a Committee
    thereof;
<PAGE>

              d) Call or seek to have called any meeting of the stockholders of
    the Company;

              e) Otherwise act, alone or in concert with others to (i) solicit,
    propose, seek to effect or negotiate with any other person with respect to
    (A) any business combination with the Company or (B) any restructuring,
    recapitalization or similar transaction of the Company, (ii) solicit,
    propose, seek to effect or negotiate with any other person with respect to,
    or announce an intent to make, any tender offer or exchange offer for any
    voting securities of the Company, or (iii) assist, participate in,
    facilitate or solicit any effort or attempt by any persons to do or seek to
    do any of the foregoing; or

              f) Form, join or participate in a "group" (within the meaning of
    Section 13(d) of the Exchange Act) with respect to any of the matters
    described above.

          5.  Additional Covenants Regarding Ownership of Common Stock.  During
              --------------------------------------------------------
the Waiver Period:

              a)  CRM shall limit the aggregate Beneficial Ownership by it, any
    Advisory Client and any Person who would constitute, along with CRM or CRM
    with any such Person or Advisory Client, a "group", as that term is used for
    purposes of Section 13(d) of the Exchange Act, of the Company's Common Stock
    to no more than 9.72% of the shares of Common Stock outstanding.

              b)  Neither 10% or greater Beneficial Owners of CRM, CRM nor any
    of its Advisory Clients, taken separately or taken together in any
    combination with CRM, have been during 1999 or 2000, are, and shall not in
    the future be, partners in any partnership between or among CRM and any one
    or more of them as determined for federal income tax purposes which
    partnership Beneficially Owns any of the Company's Common Stock. No single
    Advisory Client or combination of Advisory Clients with a mutual 10.0% or
    greater owner or any Person in control of them, Beneficially Owns or will at
    any time in the future Beneficially Own more than 9.0% of the Company's
    Common Stock outstanding. Neither CRM nor any Advisory Client currently
    Beneficially Owns, and will not Beneficially Own, more than 9.0% of the
    Company's Common Stock outstanding (excluding for this purpose Beneficial
    Ownership of Common Stock in excess of such amounts to the extent such
    Beneficial Ownership results solely from it being treated, along with the
    Advisory Clients, as a "group" under Section 13(d) of the Exchange Act).

          c)  CRM, its Advisory Clients and any Person who would constitute,
    along with CRM or any Advisory Client, a "group" under Section 13(d) of the
    Exchange Act, shall comply with the terms of Article XII, except as
    expressly waived by the Board.
<PAGE>

          d)  Neither 10% or greater Beneficial Owners of CRM, CRM, its Advisory
    Clients, or any other person who would, along with CRM, either constitute a
    "group" under Section 13(d)(3) or a partnership for federal income tax
    purposes, or a 10% or greater Beneficial Owner of any of the foregoing have
    not Beneficially Owned at any time during 1999 or 2000, do not currently
    Beneficially Own and during the Waiver Period shall not, singly or taken
    together in any combination, Beneficially Own any stock, warrants, options,
    convertible debt or any other rights to acquire the stock of Vencor, Inc. or
    any other tenant of the Company.

          e)  Notwithstanding any other provision of this letter or the related
    waiver, if any 10.0% or greater Beneficial Owners of CRM, CRM, its Advisory
    Clients, or any other person who would, along with CRM or any of them,
    either constitute a "group" under Section 13(d)(3) or a partnership for
    federal income tax purposes, Beneficially Owns (excluding for this purpose
    Beneficial Ownership of Common Stock that results solely from being treated
    as part of a "group" under Section 13(d)) more than 9.0% of the stock of the
    Company while Beneficially Owning, singly or taken together in any
    combination, any of the stock, warrants, options, convertible debt or any
    other rights to acquire the stock of Vencor, Inc. or any other tenant of the
    Company, the Additional Shares owned will be automatically designated as
    "Excess Shares" under Article XII. Such designation will be effective as of
    the close of business on the business day prior to the date of the relevant
    event.

          6.  Breach of Representations and Warranties.  CRM understands that
              ----------------------------------------
the breach of any representation, warranty or covenant contained herein or the
failure to comply with its covenants and undertakings in this letter, in
addition to any other remedy available to the Company, subjects the Additional
Shares to being designated as "Excess Shares" under Article XII. In such event,
any waiver granted by the Board shall terminate and the Company may proceed in
any manner permitted under Article XII.

          7.   Reduction and Termination of the Waiver.  If, after the date
               ---------------------------------------
hereof, the number of Common Shares subject to this waiver as of the date hereof
is reduced through sales or any other dispositions of Common Stock, this waiver
shall, after each such sale or disposition, apply only to the reduced holding of
Common Shares. If at any time after the date hereof the ownership of Common
Shares by any Person covered by this waiver falls below the 9% limitation, this
waiver shall, as to each such Person, lapse and be of no further effect, with
the consequence that thereafter any subsequent purported acquisition of Common
Shares in violation of such limitation shall result in any shares above the 9%
limitation being Excess Shares.

                                    Very truly yours,

                              CRAMER ROSENTHAL MCGLYNN, LLC.

                                    By: /s/ Michael Marrone
                                        -------------------

                                     Name:  Michael Marrone
                           Vice President and Director of Operations

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