Document:

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                                                                    Exhibit 4.2
                                  CARREFOUR SA
                           6, AVENUE RAYMOND POINCARE
                                    BP 419.16
                              75769 PARIS CEDEX 16

June 25, 2002

PETsMART, Inc.
19601 North 27th Avenue
Phoenix, Arizona  85027

Attention:  Philip L. Francis
            Chairman of the Board and
            Chief Executive Officer

Dear Mr. Francis:

Reference is made to the Series H Preferred Stock Purchase Agreement, dated as
of September 8, 1991, between PETsMART, Inc. (the "Company") and the persons and
entities listed on the Schedule of Purchasers attached thereto (the "Purchase
Agreement"). For convenient reference, a copy of the Purchase Agreement is
attached to this letter agreement. The Purchase Agreement contains provisions
providing for registration rights for the purchasers of the Company's Series H
Preferred Stock named in that Purchase Agreement, who include Fourcar BV, a
wholly owned subsidiary of Carrefour SA ("Carrefour"), and S.A. De Noyange,
which was merged with and into Carrefour in 1999.

This letter confirms our agreement that the Company will file a registration
statement on Form S-3 under the Securities Act of 1933 that covers the offer and
sale of shares to be issued by the Company, which will comprise the entire
amount to be dedicated to the underwriters' over-allotment option plus an amount
that when aggregated with the over-allotment shares is no more than 3,500,000
shares, and all of the 13,182,584 shares of common stock of the Company owned by
Carrefour (directly or through subsidiaries) (the "Carrefour Shares") in a firm
commitment underwritten offering to be made through the underwriters we have
jointly selected. The Company has advised Carrefour that the Company will not
include, pursuant to a registration rights agreement or otherwise, any other
shares in the registration statement to be filed.

The Company agrees to cooperate fully in all marketing efforts customary for
underwritten offerings by issuers, including participating in a "road show."
Additionally, Section 14 (Registration Expenses) of the Purchase Agreement shall
apply to the proposed offering as if the proposed offering were a Piggyback
Registration and Section 13 (Registration Procedures) and Section 15
(Indemnification) of the Purchase Agreement shall also apply to the proposed
offering, in each case, to the same extent as if (i) those provisions were set
forth in full in this letter agreement, (ii) all of the Carrefour Shares were
covered by the Purchase Agreement and (iii) Sections 13, 14 and 15 of the
Purchase Agreement were implicated by a request to include the Carrefour Shares
in the Company's registration statement.

This letter agreement shall be governed by and construed in accordance with the
laws of the State of California without regard to principles of conflicts of law
thereof.

<PAGE>

If the foregoing correctly sets forth your understanding of our agreement,
kindly so indicate by signing in the space provided below.

                                          Very truly yours,

                                          CARREFOUR SA

                                          By:    /s/ Antonio Jodar
                                                -----------------------
                                          Name:   Antonio Jodar
                                          Title:  Attorney-in-Fact for
                                                  Carrefour SA

Agreement confirmed:

PETsMART, Inc.

By:    /s/ Thomas Liston
       --------------------------------------
Name:  Thomas S. Liston
Title: Chief Financial Officer and Treasurer

[See exhibit 4.1 to this Form S-8 for Series H Preferred Stock Purchase
 Agreement]Prepared by R.R. Donnelley Financial -- Agreement Releasing BellSouth and BellSouth

 Exhibit 4.6 
  
 AGREEMENT RELEASING BELLSOUTH AND BELLSOUTH INVESTMENT FROM  THE KPN MOBILE N.V. SHAREHOLDERS' AGREEMENT 
  
 This agreement is executed this 30th day of January, 2002. 
  
 WHEREAS: 
  

	A.
	 
	NTT DoCoMo, Inc. (“DoCoMo”), Koninklijke KPN N.V. (“KPN”), KPN Mobile N.V. (“KPN Mobile”), BellSouth Corporation
(“BellSouth”) and German Mobilfunk Investments Inc. (“BellSouth Investment”) are all of the parties to a Shareholders’ Agreement relating to KPN Mobile dated 12 July, 2000 (the “Shareholders’ Agreement”);

 

  

	B.
	 
	DoCoMo, KPN, KPN Mobile, BellSouth, BellSouth Investment and DCM Capital NL (UK) Limited (“DCM Capital”) are all of the parties to a Deed of Adherence
dated 2 August 2000 (together with the Shareholders Agreement, the “Relevant Agreements”) under which DCM Capital acceded to the Shareholders Agreement. 
 

  

	C.
	 
	Although BellSouth and BellSouth Investment have never owned shares in KPN Mobile, BellSouth Investment has certain rights to acquire shares in KPN Mobile in
exchange for BellSouth Investment's indirect interest in E-Plus Mobilfunk GmbH & Co KG (the “Mobile Exchange Right”); 
 

  

	D.
	 
	KPN, KPN Mobile, BellSouth and BellSouth Investment are contemporaneously herewith entering into an exchange agreement (the “Exchange Agreement”)
under which BellSouth Investment is exercising its rights to exchange its indirect interest in E-Plus Mobilfunk GmbH & Co. KG (“E-Plus”) for shares in KPN (the “Royal Exchange”); 
 

  

	E.
	 
	Upon completion of Closing (as defined in the Exchange Agreement) of the Royal Exchange, the Mobile Exchange Right will terminate and be of no further force and
effect and neither BellSouth nor BellSouth Investment will have any further right to acquire shares in KPN Mobile; 
 

  

	F.
	 
	Accordingly, with effect from completion of Closing, BellSouth and BellSouth Investment should no longer be parties to the Relevant Agreements and all their
rights and obligations thereunder should be terminated. 
 

  
 IT IS AGREED AS
FOLLOWS: 
  

	1.
	 
	As of and subject to completion of Closing BellSouth and BellSouth Investment shall cease to be parties to the Relevant Agreements, provided that (i) as between
DoCoMo, DCM Capital, BellSouth and BellSouth Investment the provisions of clauses 1 (other than subclause 5), 10 and 16 of the Shareholders’ Agreement shall continue to apply, (ii) notwithstanding the terms thereof (but, for the avoidance of
doubt, without prejudice to (i) above), the provisions of clause 14(10) of the Shareholders’ Agreement shall not apply to BellSouth and BellSouth Investment, and (iii) any dispute under this agreement shall be resolved by arbitration under
clause 8 hereof, which incorporates by reference certain provisions of the Shareholders’ Agreement. 
 

  

	2.
	 
	As of and subject to completion of Closing, BellSouth and BellSouth Investment waive all rights under the Relevant Agreements, other than as between DoCoMo, DCM
Capital, BellSouth and BellSouth Investment under clause 10 of the Shareholders’ Agreement as to each other’s Confidential Information, including such rights (other than under clause 10) as may have arisen prior to completion of Closing.

 

  

	3.
	 
	As of and subject to completion of Closing, BellSouth and BellSouth Investment release KPN, KPN Mobile, DoCoMo and DCM Capital from all their respective
obligations to BellSouth and BellSouth Investment under the Relevant Agreements, other than as between DoCoMo, DCM Capital, BellSouth and BellSouth Investment under clause 10 of the Shareholders’ Agreement as to each other’s Confidential
Information, including such obligations (other than under clause 10) as may have arisen prior to completion of Closing. 
 

 

 1 

  

	4.
	 
	As of and subject to completion of Closing, KPN, KPN Mobile, DoCoMo and DCM Capital release BellSouth and BellSouth Investment from all their respective
obligations under the Relevant Agreements, other than as between DoCoMo, DCM Capital, BellSouth and BellSouth Investment under clause 10 of the Shareholders’ Agreement as to each other’s Confidential Information, including such obligations
(other than under clause 10) as may have arisen prior to completion of Closing. 
 

  

	5.
	 
	As of and subject to completion of Closing, KPN, KPN Mobile, DoCoMo and DCM Capital waive all rights in relation to BellSouth and BellSouth Investment under the
Relevant Agreements, other than as between DoCoMo, DCM Capital, BellSouth and BellSouth Investment under clause 10 of the Shareholders’ Agreement as to each other’s Confidential Information, including such rights (other than under clause
10) as may have arisen prior to completion of Closing. 
 

  

	6.
	 
	For the avoidance of doubt, it is recorded that after completion of Closing the Relevant Agreements shall continue as between KPN, KPN Mobile, DoCoMo and DCM
Capital. 
 

  

	7.
	 
	DoCoMo enters into this agreement for itself and on behalf of DCM Capital. DoCoMo warrants that this agreement will be (a) binding upon DCM Capital and (b)
enforceable against DCM Capital in accordance with its terms. 
 

  

	8.
	 
	This agreement shall be governed and construed in accordance with the laws of the Netherlands. Any disputes between any of the parties hereto with respect to
the validity, intent, interpretation, performance, enforcement or arbitrability of any of the terms and conditions contained in this agreement or any claim arising out of or in connection with this agreement shall be finally settled by arbitration
in accordance with clauses 16(3) to 16(10) of the Shareholders’ Agreement, which clauses are incorporated herein by reference. 
 

  

	9.
	 
	This agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same agreement, and any party may enter
into this agreement by executing a counterpart. 
 

  
 AS WITNESS the hands of the duly authorised representatives of the
parties the day and year first mentioned above. 
  
                                      
                                     
 for and on behalf of 
 NTT DoCoMo, Inc.

 By: Keiji Tachikawa 
  
                                      
                                     
 for and on behalf of 
 Koninklijke KPN N.V.

 By: Maarten Henderson 
  
                                      
                                     
 for and on behalf of 
 KPN Mobile N.V.

 By: Maarten Henderson 
  
                                      
                                     
 for and on behalf of 
 German Mobilfunk
Investments, Inc. 
 By: Joerg Baldauf 
  
                                      
                                     
 for and on behalf of 
 BellSouth Corporation

 By: Joerg Baldauf 
 

 2

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