Document:

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                                                                    EXHIBIT 10.1

                           PURCHASE AND SALE AGREEMENT

                                 BY AND BETWEEN

                             KEYSTONE PROPERTY TRUST
                                  (as "Buyer")

                                       AND

                             EQUINOX EQUITIES, INC.,
                       NORTHEASTERN INDUSTRIAL PARK, INC.
                                       and
                        EASTWICK DEVELOPMENT CORPORATION
                                 (as "Sellers")

                          DATED AS OF SEPTEMBER 6, 2001

<PAGE>

     PURCHASE AND SALE AGREEMENT, dated as of September 6, 2001 (the
"Agreement") by and between Equinox Equities, Inc., a Vermont corporation
("Equinox"), Northeastern Industrial Park, Inc., a New York corporation
("Northeastern") and Eastwick Development Corporation, a New York corporation
("Eastwick," and together with Equinox and Northeastern, the "Sellers") and
Keystone Property Trust, a Maryland real estate investment trust (the "Buyer").

     WHEREAS, the Sellers desire to sell and transfer to Buyer 375,000 common
shares of beneficial interest to be received by the Sellers (the "Common
Shares") upon conversion and/or exchange of the securities described on EXHIBIT
A hereto (the "Securities") and Buyer wishes to acquire the Common Shares on the
terms set forth in this Agreement; and

     WHEREAS, the conversion and/or exchange of the Securities into the Common
Shares shall occur immediately prior to the Closing (as defined below) of the
Common Shares on the Closing Date (as defined below).

     THEREFORE, the parties hereto agree as follows:

     1. SALE AND PURCHASE OF THE SECURITIES. Each Seller hereby agrees to
assign, sell, convey and transfer to Buyer on the Closing Date (as defined
below) all right, title and interest of such Seller in and to the respective
number of Common Shares to be received by such Seller upon conversion and/or
exchange of the Securities set forth opposite such Seller's name on EXHIBIT A
hereto and Buyer, in reliance on the representations and warranties set forth
herein, agrees to pay to such Seller the respective amount of the Purchase Price
(as defined herein) in respect of such sale as set forth opposite such Seller's
name on EXHIBIT A hereto. The Common Shares shall be free and clear of all
liens, pledges, claims, security interests, encumbrances, charges, restrictions
or limitations of any kind, whether arising by agreement, operation of law or
otherwise (collectively, "Liens"). On the Closing Date and pursuant to
instructions from American Stock Transfer & Trust Company, each of the Sellers
and Buyer shall instruct American Stock Transfer & Trust Company to record the
transfer to the Buyer of the uncertificated Common Shares owned by the Sellers
after conversion of the Securities.

     2. CLOSING. Subject to the Buyer's receipt of the sale proceeds from the
issue and sale of 375,000 common shares of beneficial interest of the Buyer
pursuant to the Purchase Agreement, dated August 21, 2001, by and between the
Buyer and Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner & Smith
Incorporated, the closing of the purchase and sale of the Common Shares (the
"Closing") shall take place on September 7, 2001 and the Sellers will assign,
sell, convey and transfer to Buyer in accordance with Section 1 above all right,
title and interest of Sellers in and to the Common Shares for an aggregate
purchase price of $4,781,250 (the "Purchase Price"). Buyer shall pay to each
Seller, in accordance with Exhibit A, such Seller's respective amount of the
Purchase Price in immediately available funds by wire transfer on the Closing
Date to an account designated by the respective Seller in writing at least two
business days prior to the Closing Date.

     3. REPRESENTATIONS AND WARRANTIES OF SELLERS. Each Seller hereby represents
and warrants to Buyer that each of the following statements is true and correct
as of the date hereof and will be true and correct as of the Closing Date as if
made on such date.

     (a) GOOD STANDING. Seller is duly organized, validly existing and in good
standing in the state of its organization, with full corporate power and
authority to carry on its business as it is now operated and carried on by it.

     (b) DUE AUTHORIZATION. Seller has all requisite corporate power and
authority to execute and deliver this Agreement and to perform its obligations
hereunder and to consummate the transactions

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contemplated hereby. This Agreement has been duly authorized, executed and
delivered by Seller and constitutes a valid and binding agreement of Seller
enforceable against Seller in accordance with its terms.

     (c) ABSENCE OF DEFAULTS AND CONFLICTS. The execution, delivery and
performance of this Agreement by Seller and the consummation of the transactions
contemplated hereby do not and will not violate or be in conflict with, or
constitute a breach of or default (or an event which, with notice or lapse of
time or both, would constitute a default) under the terms of any law,
regulation, order, judgment, instrument, contract, license or other agreement to
which Seller is a party or by which Seller or its assets are bound or which
would prevent the consummation of this transaction, and no consent or approval
of any third party or any government, state, province, county or other political
subdivision thereof, or any entity exercising executive, legislative, judicial,
regulatory or administrative function of, or pertaining to, governing
(collectively, "Governmental Authority") is necessary in order to permit Seller
to execute and deliver this Agreement and perform the transactions contemplated
hereby.

     (d) TITLE TO INTEREST. Prior to the conversion and/or exchange of the
Securities into the Common Shares, the Seller has not sold, transferred, pledged
or otherwise disposed of, or converted or exchanged, or granted any option or
other right with respect to, any of the Securities and Seller has good and
marketable title to the Securities free and clear of all Liens. Upon conversion
of the Securities into the Common Shares, Seller will have good and marketable
title to the Common Shares, Seller will not have sold, transferred, pledged or
otherwise disposed of, or converted or exchanged, or granted any option or other
right with respect to the Common Shares and Seller will convey to Buyer good,
valid and marketable title to the Common Shares free and clear of all Liens.

     (e) BROKERS. Seller has not employed any broker or finder or incurred any
liability for any brokerage fees or commissions in connection with the
transactions contemplated by this Agreement.

     (f) LITIGATION. There is no suit, claim, action, proceeding or
investigation pending or, to the Seller's knowledge, threatened against the
Seller or its affiliates or any of their predecessors with respect to the
Securities at law or in equity or before any Governmental Authority or before
any arbitrator of any kind and, to the Seller's knowledge, there is no
reasonable basis for any such suit, claim, action, proceeding or investigation.
The Seller has not been a party to any such suit, claim, action, proceeding or
investigation during the past two years relating to the Securities, nor has any
such suit, claim, action, proceeding or investigation been threatened in writing
by or against the Seller.

     (g) REGULATION M. Seller acknowledges that neither the Buyer nor any of its
agents or affiliates solicited the sale of the Securities by Seller and that the
transactions contemplated hereby qualify as an "unsolicited purchase" under Rule
102 of Regulation M promulgated under the rules and regulations of the
Securities Act of 1933, as amended.

     4. REPRESENTATIONS AND WARRANTIES OF BUYER. Buyer hereby represents and
warrants to each Seller that each of the following statements is true and
correct as of the date hereof and will be true and correct as of the Closing
Date as if made on such date.

     (a) GOOD STANDING AND DUE AUTHORIZATION. Buyer is duly organized, validly
existing and in good standing in the state of its incorporation, with full trust
power and authority to carry on its business as it is now operated and carried
on by it. Buyer has all requisite trust power and authority to execute and
deliver this Agreement and to perform its obligations hereunder and to
consummate the transactions contemplated hereby. This Agreement has been duly
authorized, executed and delivered by Buyer and constitutes a valid and binding
agreement of Buyer enforceable against Buyer in accordance with its terms.

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<PAGE>

     (b) ABSENCE OF DEFAULTS AND CONFLICTS. The execution, delivery and
performance of this Agreement by Buyer and the consummation of the transactions
contemplated hereby do not and will not violate or be in conflict with, or
constitute a breach of or default (or an event which, with notice or lapse of
time or both, would constitute a default) under the terms of any law,
regulation, order, judgment, instrument, contract, license or other agreement to
which Buyer is a party or by which Buyer or its assets are bound or which would
prevent the consummation of this transaction, and no consent or approval of any
Governmental Authority is necessary in order to permit Buyer to execute and
deliver this Agreement and perform the transactions contemplated hereby.

     (c) BROKERS. Buyer has not employed any broker or finder or incurred any
liability for any brokerage fees or commissions in connection with the
transactions contemplated by this Agreement.

     5. COVENANTS.

     (a) From the date hereof until the Closing Date, each Seller will not, and
will direct its employees, agents and other representatives (including, without
limitation, any financial advisor, attorney or accountant retained by such
Seller) not to, directly or indirectly, solicit, encourage, or participate in
any way in discussions or negotiations with, or provide any information, data or
assistance to, any third party (other than Buyer and its affiliates) concerning
any acquisition of, or other transaction involving, the Securities. Each Seller
will promptly communicate to Buyer in writing the terms of any proposal or
contact it may receive in respect of any such transaction.

     (b) Each party to this Agreement shall execute and deliver, or cause to be
executed and delivered, all such instruments and shall take all such actions as
the other party may reasonably request in order to effect the intent and
purposes of and to carry out the terms of this Agreement.

     (c) Each Seller shall give Buyer and its authorized representatives, at all
reasonable times during regular business hours and on reasonable advance notice,
access to all information reasonably available to it which is necessary to Buyer
to enable Buyer to evaluate the merits and risks of purchasing the Securities.

     (d) Each Seller shall not sell, transfer, pledge or otherwise dispose of,
or convert or exchange, or grant any option or other right with respect to, any
of the Securities.

     6. SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations and
warranties contained or made in, or in connection with, this Agreement shall
survive the purchase and sale of the Common Shares, notwithstanding any
investigation conducted with respect thereto or any knowledge acquired as to the
accuracy or inaccuracy of any such representation or warranty.

     7. INDEMNIFICATION.

     (a) Each Seller, jointly and severally, agrees to defend, indemnify and
hold harmless Buyer, and its trustees, officers, employees, agents and any of
their successors and assigns, from and against any and all losses, damages,
claims, suits, proceedings, liabilities, costs and expenses (including
settlement costs, interest, penalties, reasonable attorney's fees and any
reasonable legal or other expenses for investigation or defense of any actions
or threatened actions) (collectively, "Losses" or "Claims," as the context
requires) which may be imposed, sustained, incurred or suffered or asserted as a
result of, relating to or arising out of (i) the breach of any representation or
warranty of such Seller contained in this Agreement; (ii) any failure by such
Seller to perform any covenant, agreement or obligation of Seller contained in
this Agreement; and (iii) such Seller's ownership of the Securities prior to the
Closing Date, including liabilities for taxes, charges, fees and periodic
deposits (including interest and penalties)

                                       3
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determined to have been due to any Governmental Authority during the period that
such Seller owned or held the Securities.

     (b) Buyer agrees to defend, indemnify and hold harmless each Seller and its
officers, directors, employees, agents and any of their successors and assigns
from and against any and all Losses or Claims which may be imposed, sustained,
incurred or suffered or asserted as a result of, relating to or arising out of
(i) the breach of any representation or warranty of Buyer contained in this
Agreement; and (ii) any failure by Buyer to perform any covenant, agreement or
obligation of Buyer contained in this Agreement.

     8. CONFIDENTIALITY. All information furnished in writing by one party to
this Agreement to another party to this Agreement in connection with this
Agreement and the transactions contemplated hereby shall be kept confidential by
the receiving party and shall be used by the receiving party only in connection
with this Agreement and the transactions contemplated hereby, except to the
extent that such information (i) is information which the receiving party can
demonstrate was already known to the receiving party when received; (ii)
thereafter becomes lawfully obtainable from other sources through no act or
failure to act on the part of the receiving party; or (iii) is required to be
disclosed pursuant to applicable law, rules or regulations (including the
Securities Exchange Act of 1934, as amended and the rules and regulations
thereunder or the rules of any stock exchange), provided, that the receiving
party shall disclose only so much of the confidential information as is legally
required.

     9. MISCELLANEOUS.

     (a) All fees and expenses incurred in connection with this Agreement and
the transactions contemplated hereby, including all fees of counsel and
accountants, shall be paid by the party incurring the same.

     (b) All notices, requests, demands and other communications required or
permitted under this Agreement shall be in writing and shall be delivered
personally, sent facsimile transmission, or sent next-day delivery via Federal
Express or a similar overnight courier. All communications to the Sellers
hereunder should be sent to The Galesi Group, Rotterdam Industrial Park,
Building 6, East Road, Schenectady, New York 12306, Attn: David Buicko,
telephone: (518) 356-4445, facsimile: (518) 356-5334, with a copy to Stephen
Porter, General Counsel of The Galesi Group, at the same address, telephone and
phone numbers as above or to such other person or address as the Seller shall
furnish to Buyer in writing. All communications to Buyer hereunder should be
sent to Keystone Property Trust, 200 Four Falls Corporate Center, Suite 208,
West Conshohocken, Pennsylvania 19428, Attn: General Counsel, telephone: (484)
530-1800, facsimile: (484) 530-0131, with a copy to Clifford Chance Rogers &
Wells LLP, 200 Park Avenue, New York, NY 10166, Attn: Robert E. King, Jr., Esq.,
telephone: (212) 878-8000, facsimile: (212) 878-8375.

     A notice shall be deemed given for purposes of this Agreement (i) on the
date of delivery, if delivered personally or sent by facsimile transmission, and
(ii) on the first business day following the date of dispatch if sent next-day
delivery via Federal Express or similar a overnight courier. Any party may
change the address to which notices are to be sent by giving written notice of
such change of address to the other parties in the manner above provided for
giving notice.

     (c) THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY
THE LAWS OF NEW YORK (WITHOUT GIVING EFFECT TO ANY CONFLICTS OR CHOICE OF LAWS
PROVISIONS THAT WOULD CAUSE THE APPLICATION OF THE DOMESTIC SUBSTANTIVE LAWS OF
ANY OTHER JURISDICTION).

                                       4
<PAGE>

     (d) This Agreement may not be amended, modified, superseded, cancelled,
renewed or extended except by a written instrument signed by both Buyer and
Seller; provided, that Buyer may assign its rights under this Agreement to the
Operating Partnership.

     (e) If any one or more of the covenants, agreements, provisions or terms of
this Agreement shall be held invalid, then such covenants, agreements,
provisions or terms shall be deemed severable from the remaining covenants,
agreements, provisions or terms of this Agreement and inoperative to the extent
it may conflict with any applicable statute or rule of law and shall be deemed
modified to conform with such statute or rule of law and shall in no way affect
the validity or enforceability of the other provisions of this Agreement or the
rights of the parties hereto.

     (f) This Agreement may be executed simultaneously in two or more identical
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

     (g) EACH OF THE PARTIES HERETO HEREBY VOLUNTARILY AND IRREVOCABLY WAIVES
TRIAL BY JURY IN ANY ACTION OR OTHER PROCEEDING BROUGHT IN CONNECTION WITH THIS
AGREEMENT, ANY OF THE OTHER TRANSACTION DOCUMENTS OR ANY OF THE TRANSACTIONS
CONTEMPLATED HEREBY OR THEREBY.

     (h) Each Seller shall pay or cause to be paid all stamp, transfer or
similar taxes required to be paid in connection with the sale to the Buyer of
each Seller's respective Securities, and shall cause all appropriate stock
transfer tax stamps to be affixed to the certificates representing the
Securities so sold and delivered. Each Seller shall file, independently or
jointly with the Buyer, as the law requires, all transfer tax filings required
to be filed by it in connection with the sale and delivery to the Buyer of its
respective Securities.

     (i) Each party hereto further agrees that, at any time and from time to
time, upon the written request of the other party hereto, it will execute and
deliver such further instruments and do such further acts and things reasonably
necessary, desirable or proper as the requesting party may reasonably request in
order to effect the purposes of this Agreement.

                                       5

<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Agreement, acting their
duly authorized agents, as of the date first above written.

                                      KEYSTONE PROPERTY TRUST

                                      By: /s/ Robert F. Savage Jr.
                                          --------------------------------------
                                          Name:  Robert F. Savage Jr.
                                          Title: Executive Vice President and
                                                 Chief Operating Officer

                                      EQUINOX EQUITIES, INC.

                                      By: /s/ David M. Buicko
                                          --------------------------------------
                                          Name:  David M. Buicko
                                          Title: Executive Vice President and
                                                 Chief Operating Officer

                                      NORTHEASTERN INDUSTRIAL PARK, INC.

                                      By: /s/ David M. Buicko
                                          --------------------------------------
                                          Name:  David M. Buicko
                                          Title: Executive Vice President and
                                                 Chief Operating Officer

                                      EASTWICK DEVELOPMENT CORPORATION

                                      By: /s/ David M. Buicko
                                          --------------------------------------
                                          Name:  David M. Buicko
                                          Title: Executive Vice President and
                                                 Chief Operating Officer

                                       6
<PAGE>

                                                                       EXHIBIT A

<TABLE>
<CAPTION>

-------------------------------- --------------------------------------------------- ---------------------------------
            Seller                                   Securities                               Purchase Price
-------------------------------- --------------------------------------------------- ---------------------------------
<S>                              <C>                                                 <C>
Equinox Equities, Inc.           176,025 common units of limited partnership of               $2,244,318.75
                                 Keystone Operating Partnership, L.P. (to be
                                 converted into common shares of beneficial
                                 interest of Keystone Property Trust prior to the
                                 Closing Date).
-------------------------------- --------------------------------------------------- ---------------------------------
Northeastern Industrial Park,    125,817 common units of limited partnership of               $1,604,166.75
Inc.                             Keystone Operating Partnership, L.P. (to be
                                 converted into common shares of beneficial
                                 interest of Keystone Property Trust prior to the
                                 Closing Date).
-------------------------------- --------------------------------------------------- ---------------------------------
Eastwick Development             73,158 common units of limited partnership of                  $932,764.50
Corporation                      Keystone Operating Partnership, L.P. (to be
                                 converted into common shares of beneficial
                                 interest of Keystone Property Trust prior to the
                                 Closing Date).
-------------------------------- --------------------------------------------------- ---------------------------------
</TABLE>Fleet Letter

[Fleet Letterhead]

The Talbots, Inc.          
          
                    
           
           
          
          
          
           March 6, 2001

175 Beal Street

Hingham, MA 02043

	Attention:		Mr. Edward L. Larsen

                           Senior Vice President, Finance

                           Chief Financial Officer and Treasurer

Dear Ed:

                  This
letter will serve to confirm that Fleet National Bank (the “Bank”)
holds available for The Talbots, Inc. (the “Company”) uncommitted,
discretionary credit facilities as follows: 

		(a)	
an aggregate $100,000,000.00 line of credit for the issuance of documentary
letters of credit to support the importation of goods into the United States
from Hong Kong and other Asian countries, and the issuance of one-year standby
letters of credit;

		(b)	an aggregate $5,000,000 money market line of credit for
 discretionary advances; and

		(c)	a $10,000,000 foreign exchange line for spot and 12-month forward contracts.

     
             All
such facilities shall expire on March 6, 2002, and documentary letters of credit
will be payable at sight and shall be priced as follows based on the location of
the issuance: 

		Boston	Hong Kong

	Issuing Fee:	U.S. $25*	Waived

	Negotiation Fee:	The greater of 1/8% or U.S. $70	Waived

	Amendment Fee:	U.S. $25*	Waived

	*Plus Cable Fee:		

        
          Each
documentary letter of credit issued under this facility will be governed
additionally by a continuing Commercial Letter of Credit Agreement, and a Master
Trade Key Agreement between the Company and the Bank, and such other
documentation that the Bank may require from time to time. 

        
          The
standby letter of credit issued under this facility will be governed by our
existing Standby Letter of Credit Agreement and such other documentation that
the Bank may require from time to time. 

        
          Each
money market advance under this facility will be at fixed rates quoted by Fleet
National Bank with maturities of up to 180 days, and no loan shall have an
interest period that extends beyond the expiration of this line of credit. Each
loan must be at least $1,000,000.00 and aggregate loans under this arrangement
may not exceed $5,000,000.00. This arrangement is not a commitment to lend, and
from time to time the Bank may not quote rates on some or all maturities. 

          
        We
agree that upon your advice by telephone to our Money Market Desk that you wish
to borrow money under this facility and our agreement to lend, we will forthwith
lend you such amount at the quoted rate of interest by crediting such amount to
your demand deposit account with us, or, upon your instructions, by wiring such
amount to such other account as you may direct. Borrowings will be evidenced by
a Promissory Note in the form attached hereto. Each borrowing and the
corresponding information (see attached note schedule) will be recorded the day
of the telephone call. Our advices of credit and debit will be additional
evidence of borrowings. You authorize us to keep the official record of all
borrowings under this “money market” lending arrangement in the format
described above, and you agree that this record shall be prima facie evidence of
the amount of the borrowings under this facility. 

            
      No
voluntary prepayment of money market loans will be permitted. If any money loans
are paid on a date other than the last day of the applicable interest period
(whether by reason of voluntary prepayment, acceleration or otherwise), the
Company shall compensate the Bank for any funding losses and other costs
(including lost profits) incurred as a result of such prepayment. 

            
      This
letter and the Promissory Note evidence your promise to pay all such borrowings
with interest on their respective maturity dates. This “money market”
lending arrangement remains in force until March 6, 2002. 

            
      If
the foregoing satisfactorily sets forth the terms and conditions of our lines of
credit, please execute and return this letter. We are pleased to provide these
lines to Talbots, and look forward to the ongoing development of our
relationship. 

                                      Sincerely,

                                      Fleet National Bank

                                      By: PETER L. GRISWOLD
                                          ______________________________________
                                          Peter L. Griswold, Managing Director
                                          Retail & Apparel Division

Accepted:
The Talbots, Inc.

By: EDWARD L. LARSEN
    _____________________________________
    Edward L. Larsen
    Senior Vice President, Finance
    Chief Financial Officer and Treasurer

Date:
     __________________

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