FOURTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT

Exhibit 99 (b)

FOURTH AMENDMENT
TO
AMENDED AND RESTATED CREDIT AGREEMENT

          FOURTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”) dated as of June 19, 2006, among DELPHI CORPORATION, a Delaware corporation (the “Borrower”), a debtor and debtor-in-possession in a case pending under Chapter 11 of the Bankruptcy Code, and the subsidiaries of the Borrower signatory hereto (each a “Guarantor” and collectively the “Guarantors”), each of which Guarantors is a debtor and debtor-in-possession in a case pending under Chapter 11 of the Bankruptcy Code, the Lenders party hereto and JPMORGAN CHASE BANK, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”).

W I T N E S S E T H:

     WHEREAS, the Borrower, the Guarantors, the Lenders, the Administrative Agent and Citicorp USA, Inc., as syndication agent, are parties to that certain Amended and Restated Revolving Credit, Term Loan and Guaranty Agreement, dated as of November 21, 2005 (as the same has been and may be further amended, modified or supplemented from time to time, the “Credit Agreement”); and

     WHEREAS, the Borrower and the Guarantors have requested that from and after the Fourth Amendment Effective Date (as hereinafter defined), the Credit Agreement be amended subject to and upon the terms and conditions set forth herein;

     NOW, THEREFORE, the parties hereto hereby agree as follows:

     1. Defined Terms Generally. As used herein, all terms that are defined in the Credit Agreement shall have the same meanings herein.

     2. Amendment to Section 1.01 of Credit Agreement (Defined Terms). The definition of “Financial Officer” in Section 1.01 of the Credit Agreement is hereby amended by inserting the phrase “, chief accounting officer” after the words “chief restructuring officer”.

     3. Amendment to Section 5.01(a) of Credit Agreement (Annual Financial Statements). Section 5.01(a) of the Credit Agreement is hereby amended by replacing the phrase “170 days” therein with the phrase “200 days”.

     4. Amendment to Section 5.01(b) of Credit Agreement (Quarterly Financial Statements). Section 5.01(b) of the Credit Agreement is hereby amended by deleting the phrase “or, with respect to the fiscal quarters ending September 30, 2005 and March 31, 2006, no later than December 31, 2005 and June 30, 2006, respectively” and replacing it with the following:

          “or (x) with respect to the fiscal quarter ending September 30, 2005, no later than December 31, 2005, (y) with respect to the fiscal quarter ending March 31, 2006, no later than the later to occur of (1) July 31, 2006 and (2) the date which is 30 days after the date on which the consolidated balance sheets and related consolidated statements of income and consolidated cash flows for the Domestic Entities and the Global Entities for the fiscal year

ending December 31, 2005 are delivered to the Administrative Agent in accordance with Section 5.01(a) (the date of such delivery being the “2005 10K Delivery Date”), and (z) with respect to the fiscal quarter ending June 30, 2006, no later than the later to occur of (1) the date which is 60 days after the end of such quarter (or such shorter period as the United States Securities and Exchange Commission may specify for the filing of quarterly reports on Form 10-Q) and (2) the date which is 30 days after the 2005 10K Delivery Date”.

     5. Amendment to Section 6.01(xxii) of Credit Agreement (Liens). Section 6.01(xxii) of the Credit Agreement is hereby amended by replacing the reference to “$100,000,000” therein with “$175,000,000”.

     6. Conditions to Effectiveness. This Amendment shall become effective on the first date (the “Fourth Amendment Effective Date”) on which all of the following conditions have been satisfied: (a) this Amendment shall have been executed by the Borrower, the Guarantors, the Administrative Agent and the Required Lenders, and the Administrative Agent shall have received evidence satisfactory to it of such execution, (b) the Administrative Agent shall have received an amendment fee for the account of each Lender that has executed and delivered a signature page hereto to the Administrative Agent no later than 3:00pm on June 19, 2006 (or such later deadline as may be indicated by the Administrative Agent for receipt of signature) in an amount equal to 3 basis points of such Lender’s Commitment, and (c) any fees owing to the Administrative Agent, as separately agreed to in writing by the Borrower and the Administrative Agent have been paid in full.

     7. Miscellaneous.

          (a) Except to the extent hereby amended, the Credit Agreement and each of the other Loan Documents remain in full force and effect and are hereby ratified and affirmed.

          (b) The Borrower agrees that its obligations set forth in Section 10.05 of the Credit Agreement shall extend to the preparation, execution and delivery of this Amendment, including the reasonable fees and disbursements of special counsel to the Administrative Agent and the Arrangers.

          (c) This Amendment shall be limited precisely as written and shall not be deemed (i) to be a consent granted pursuant to, or a waiver or modification of, any other term or condition of the Credit Agreement or any of the instruments or agreements referred to therein or (ii) to prejudice any right or rights which the Agents or the Lenders may now have or have in the future under or in connection with the Credit Agreement or any of the instruments or agreements referred to therein. Whenever the “Agreement” or the “Credit Agreement” is referred to in the Credit Agreement or any of the instruments, agreements or other documents or papers executed or delivered in connection therewith, such reference shall be deemed to mean the Credit Agreement as modified by this Amendment.

          (d) This Amendment may be executed in any number of counterparts and by the different parties hereto in separate counterparts, each of which when so executed and delivered shall be deemed to be an original and all of which taken together shall constitute but one and the same instrument.

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          (e) This Amendment shall be governed by, and construed in accordance with, the laws of the State of New York and (to the extent applicable) the Bankruptcy Code.

[SIGNATURE PAGES TO FOLLOW]

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          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of the day and the year first written.

		BORROWER:
		DELPHI CORPORATION
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   Vice President and Chief Restructuring Officer
		GUARANTORS:
		ASEC MANUFACTURING GENERAL PARTNERSHIP,
		a Delaware general partnership
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		ASEC SALES GENERAL PARTNERSHIP,
		a Delaware general partnership
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		ASPIRE, INC.,
		a Michigan corporation
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Vice President

		DELCO ELECTRONIC OVERSEAS CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Assistant Treasurer
		DELPHI AUTOMOTIVE SYSTEMS (HOLDING), INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI AUTOMOTIVE SYSTEMS GLOBAL (HOLDING), INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI AUTOMOTIVE SYSTEMS HUMAN RESOURCES LLC,
		a Delaware limited liability company
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Vice President & Treasurer
		DELPHI AUTOMOTIVE SYSTEMS INTERNATIONAL, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer

		DELPHI AUTOMOTIVE SYSTEMS KOREA, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X.Xxxx
				Title:   Chief Executive Officer & President
		DELPHI AUTOMOTIVE SYSTEMS LLC,
		a Delaware limited liability company
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   Vice President and Chief Restructuring
				Officer; Chief Accounting Officer and Controller
		DELPHI AUTOMOTIVE SYSTEMS OVERSEAS CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI AUTOMOTIVE SYSTEMS RISK MANAGEMENT CORP.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   Vice President & Treasurer
		DELPHI AUTOMOTIVE SYSTEMS SERVICES LLC,
		a Delaware limited liability company
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer

		DELPHI AUTOMOTIVE SYSTEMS TENNESSEE, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI AUTOMOTIVE SYSTEMS THAILAND, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI CHINA LLC,
		a Delaware limited liability company
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Chief Tax Officer
		DELPHI CONNECTION SYSTEMS,
		a California corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI DIESEL SYSTEMS CORP.,
		a Delaware corporation
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Chief Tax Officer

		DELPHI ELECTRONICS (HOLDING) LLC,
		a Delaware limited liability company
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Assistant Treasurer
		DELPHI FOREIGN SALES CORPORATION,
		a Virgin Islands corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   Controller
		DELPHI INTEGRATED SERVICE SOLUTIONS, INC.,
		a Michigan corporation
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Vice President
		DELPHI INTERNATIONAL HOLDINGS CORP.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI INTERNATIONAL SERVICES, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Chief Financial Officer & Treasurer

		DELPHI LIQUIDATION HOLDING COMPANY,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI LLC,
		a Delaware limited liability company
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI MECHATRONIC SYSTEMS, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI MEDICAL SYSTEMS COLORADO CORPORATION,
		a Colorado corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Vice President & Treasurer
		DELPHI MEDICAL SYSTEMS CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Vice President & Treasurer

		DELPHI MEDICAL SYSTEMS TEXAS CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Vice President & Treasurer
		DELPHI NY HOLDING CORPORATION,
		a New York corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President
		DELPHI SERVICES HOLDING CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Treasurer
		DELPHI TECHNOLOGIES, INC.,
		a Delaware corporation
		By:		/s/ XXXXXX X. XXXXXX
				Name: Xxxxxx X. Xxxxxx
				Title:   Vice President Intellectual Property
		DREAL, INC.,
		a Delaware corporation
		By:		/s/ XXXX X. XXXXXXX
				Name: Xxxx X. Xxxxxxx
				Title:   President

		ENVIRONMENTAL CATALYSTS, LLC,
		a Delaware limited liability company
		By:		/s/ XXXXXX X. XXXXXX
				Name: Xxxxxx X. Xxxxxx
				Title:   Treasurer
		EXHAUST SYSTEMS CORPORATION,
		a Delaware corporation
		By:		/s/ XXXX X. XXXX
				Name: Xxxx X. Xxxx
				Title:   Assistant Treasurer
		PACKARD XXXXXX INTERCONNECT COMPANY,
		a Delaware corporation
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Chief Tax Officer
		SPECIALTY ELECTRONICS INTERNATIONAL
		LTD.,
		a Virgin Islands corporation
		By:		/s/ XXXXXXX X. XXXXXX
				Name: Xxxxxxx X. Xxxxxx
				Title:   Treasurer and Secretary
		SPECIALTY ELECTRONICS, INC.,
		a South Carolina corporation
		By:		/s/ XXXXX X. XXXXXXX
				Name: Xxxxx X. Xxxxxxx
				Title:   Chief Tax Officer

		AGENTS AND LENDERS:
		JPMORGAN CHASE BANK, N.A.
		Individually and as Administrative Agent
		By:		/s/ XXXXXX XXXXXXXX
				Name: Xxxxxx Xxxxxxxx
				Title:   Associate
		CITICORP USA, INC.
		By:		/s/ XXXXXXX XXXX
				Name: Xxxxxxx Xxxx
				Title:   Director

Signature page for the Fourth Amendment to Amended and Restated Credit Agreement, dated as of June 19, 2006 among Delphi Corporation and the lenders party thereto

Name of Lender:

By:

  Name:

  Title: