File No. 070-10299 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM U-1/A AMENDMENT NO. 6 TO APPLICATION/DECLARATION UNDER THE PUBLIC UTILITY HOLDING COMPANY ACT OF 1935 CenterPoint Energy, Inc. 1111 Louisiana Houston, Texas 77002 Utility Holding, LLC 1011 Centre Road, Suite 324 Wilmington, Delaware 19805 CenterPoint Energy Service Company, LLC CenterPoint Energy Funding Company CenterPoint Energy Houston Electric, LLC CenterPoint Energy Transition Bond Company, LLC CenterPoint Energy Transition Bond Company II, LLC Houston Industries FinanceCo GP, LLC CenterPoint Energy Investment Management, Inc. CenterPoint Energy Properties, Inc. CenterPoint Energy Resources Corp. Arkansas Louisiana Finance Corporation Arkla Industries Inc. CenterPoint Energy Alternative Fuels, Inc. CenterPoint Energy Field Services, Inc. CenterPoint Energy Gas Receivables, LLC CenterPoint Energy Gas Transmission Company CenterPoint Energy - Illinois Gas Transmission Company CenterPoint Energy Intrastate Holdings, LLC Pine Pipeline Acquisition Company, LLC CenterPoint Energy Gas Services, Inc. CenterPoint Energy - Mississippi River Transmission Corporation

CenterPoint Energy MRT Services Company CenterPoint Energy Pipeline Services, Inc. CenterPoint Energy OQ, LLC CenterPoint Energy Intrastate Pipelines, Inc. Minnesota Intrastate Pipeline Company NorAm Financing I HL&P Capital Trust II CenterPoint Energy Funds Management, Inc. CenterPoint Energy International, Inc. CenterPoint Energy Avco Holdings, LLC CenterPoint Energy Offshore Management Services, LLC c/o CenterPoint Energy, Inc. 1111 Louisiana Houston, Texas 77002 (Name of companies filing this statement and address of principal executive offices) CenterPoint Energy, Inc. 1111 Louisiana Houston, Texas 77002 (Name of top registered holding company parent of each applicant or declarant) Rufus S. Scott Vice President, Deputy General Counsel and Assistant Corporate Secretary CenterPoint Energy, Inc. 1111 Louisiana Houston, Texas 77002 (713) 207-7451 (Names and addresses of agents for service) The Commission is also requested to send copies of any communications in connection with this matter to: James R. Doty, Esq. Margo S. Scholin, Esq. Joanne C. Rutkowski, Esq. Baker Botts L.L.P. Baker Botts L.L.P. 3000 One Shell Plaza The Warner Houston, Texas 77002-4995 1299 Pennsylvania Avenue, N.W. (713) 229-1234 Washington, D.C. 20004-2400 (202) 639-7700

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION From time to time, we make statements concerning our expectations, beliefs, plans, objectives, goals, strategies, future events or performance and underlying assumptions and other statements, that are not historical facts. These statements are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those expressed or implied by these statements. You can generally identify our forward-looking statements by the words "anticipate," "believe," "continue," "could," "estimate," "expect," "forecast," "goal," "intend," "may," "objective," "plan," "potential," "predict," "projection," "should," "will," or other similar words. We have based our forward-looking statements on our management's beliefs and assumptions based on information available to our management at the time the statements are made. We caution you that assumptions, beliefs, expectations, intentions and projections about future events may and often do vary materially from actual results. Therefore, we cannot assure you that actual results will not differ materially from those expressed or implied by our forward-looking statements. Some of the factors that could cause actual results to differ materially from those expressed or implied in forward-looking statements are discussed under "Risk Factors" in Item 1 of Part I of the Annual Report of CenterPoint Energy, Inc. on Form 10-K for the fiscal year ended December 31, 2004. The reader should not place undue reliance on forward-looking statements. Each forward-looking statement speaks only as of the date of the particular statement, and we undertake no obligation to publicly update or revise any forward-looking statements.

TABLE OF CONTENTS PAGE ---- ITEM 6. EXHIBITS AND FINANCIAL STATEMENTS......................................................... 1 A. Exhibits............................................................................... 1 B. Financial Statements................................................................... 2

The following sections of the Application-Declaration of CenterPoint Energy, Inc. ("CenterPoint" or the "Company"), Utility Holding, LLC ("Utility Holding") and their respective Subsidiaries (together, the "Applicants" or the "CenterPoint System") are hereby amended and restated as follows:(1) ITEM 6. EXHIBITS AND FINANCIAL STATEMENTS. A. EXHIBITS. A-1 Amended and Restated Articles of Incorporation of CenterPoint as adopted on November 2, 2001 (filed with the Commission on November 5, 2001 as Exhibit 3.1 to Registration Statement on Form S-4 (File No. 333-69502) and incorporated by reference herein). A-2 Articles of Amendment to Amended and Restated Articles of Incorporation of CenterPoint, dated March 27, 2002 (filed with the Commission as Exhibit 3.1.1 to the Annual Report of CenterPoint on Form 10-K for the year ended December 31, 2001 (File No. 333-69502) and incorporated by reference herein). A-3 Amended and Restated By-Laws of CenterPoint as adopted on March 26, 2002 (filed with the Commission as Exhibit 3.2 to the Annual Report of CenterPoint on Form 10-K for the year ended December 31, 2001 (File No. 333-69502) and incorporated by reference herein). B-1 Not applicable. C-1 Not applicable. D-1 Not applicable. E-1 Not applicable. F-1 Opinion of counsel (previously filed). G-1 Table setting forth by issuer: (i) the type of securities and amount of each that is outstanding or, in the case of credit facilities that are not fully drawn, could be outstanding as of the date of the order requested by this Application; (ii) the amount of incremental investment authority that is being requested; and (iii) the total amount of securities that could be outstanding pursuant to the requested authority (previously filed). - ------------------ (1) The term "Subsidiaries" refers to the companies listed on the cover page (other than CenterPoint and Utility Holding), as well as any direct or indirect subsidiary companies that CenterPoint may form with the approval of the Commission. The term "Utility Subsidiaries" refers to CenterPoint Energy Houston Electric, LLC ("CEHE") and CenterPoint Energy Resources Corp. ("CERC"). The term "Non-Utility Subsidiaries" refers to Subsidiaries other than the Utility Subsidiaries. "Inactive Subsidiaries" refers to the entities listed on Exhibit L-1. CenterPoint's Subsidiaries in existence as of March 31, 2005 and its Inactive Subsidiaries are further described in Exhibit K-1. 1

G-1.2 Principal amount of external debt and trust preferred securities of CenterPoint and its Subsidiaries as of March 31, 2005 (previously filed). G-2 Annual Report of CenterPoint on Form 10-K for the year ended December 31, 2004 (File No. 1-31447) (filed with the Commission on March 16, 2005 and incorporated by reference herein). G-3 Annual Report of CenterPoint Energy Houston Electric, LLC on Form 10-K for the year ended December 31, 2004 (File No. 1-03187) (filed with the Commission on March 24, 2005 and incorporated by reference herein). G-4 Annual Report of CenterPoint Energy Resources Corp. on Form 10-K for the year ended December 31, 2004 (File No. 1-13265) (filed with the Commission on March 24, 2005 and incorporated by reference herein). G-5 Annual Report of CenterPoint Energy Transition Bond Co., LLC on Form 10-K for the year ended December 31, 2004 (File No. 333-91093) (filed with the Commission on March 31, 2005 and incorporated by reference herein). H-1 Proposed Form of Notice (previously filed). I-1 Description of CenterPoint's Shareholder Rights Plan (previously filed). J-1 Form of Second Amended and Restated Money Pool Agreement (previously filed). K-1 Descriptions of Subsidiaries of CenterPoint Energy, Inc. L-1 List of Inactive Subsidiaries. B. FINANCIAL STATEMENTS. FS-1 Consolidated Balance Sheets of CenterPoint as of December 31, 2004 and Statements of Consolidated Operations, Statements of Consolidated Comprehensive Income and Statements of Consolidated Cash Flows for the year ended December 31, 2004 (incorporated by reference to CenterPoint's Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 1-31447)). FS-2 Consolidated Balance Sheets of CenterPoint Energy Houston Electric, LLC as of December 31, 2004 and Statements of Consolidated Income, Statements of Consolidated Comprehensive Income and Statements of Consolidated Cash Flows for the year ended December 31, 2004 (incorporated by reference to CenterPoint Energy Houston Electric, LLC's Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 1-03187)). 2

FS-3 Consolidated Balance Sheets of CenterPoint Energy Resources Corp. as of December 31, 2004 and Statements of Consolidated Income, Statements of Consolidated Comprehensive Income and Statements of Consolidated Cash Flows of CenterPoint Energy Resources Corp. for the year ended December 31, 2004 (incorporated by reference to CenterPoint Energy Resources Corp.'s Annual Report on Form 10-K for the year ended December 31, 2004 (File No. 1-13265)). FS-4 Balance Sheets of CenterPoint Energy Transition Bond Co., LLC as of March 31, 2005 (unaudited) and Statements of Income and Changes in Member's Equity and Statements of Cash Flows for the three months ended March 31, 2005 (unaudited) (incorporated by reference to CenterPoint Energy Transition Bond Co., LLC's Quarterly Report on Form 10-Q for the three months ended March 31, 2005 (File No. 333-91093)). FS-5 CenterPoint consolidated financials (forecasts through 2009) (previously filed). FS-6 CenterPoint Energy Houston Electric, LLC financials (forecasts through 2009) (previously filed). FS-7 CenterPoint Energy Resources Corp. financials (forecasts through 2009) (previously filed). FS-8 CenterPoint equity percentages as of December 31, 2004 (forecasts through 2009) (previously filed). FS-9 CenterPoint Energy Houston Electric, LLC equity percentages (forecasts through 2009) (previously filed). FS-10 CenterPoint Energy Resources Corp. equity percentages (forecasts through 2009) (previously filed). SIGNATURE Pursuant to the requirements of the Public Utility Holding Company Act of 1935, as amended, the Applicants have duly caused this Application/Declaration to be signed on their behalf by the undersigned thereunto duly authorized. Date: June 29, 2005 CENTERPOINT ENERGY, INC. and its Subsidiaries By: /s/ Rufus S. Scott --------------------------- Rufus S. Scott Vice President, Deputy General Counsel and Assistant Corporate Secretary CenterPoint Energy, Inc. 3

. . . EXHIBIT K-1 (Part 1) File No. 070-10299 Type of Business(1) - ------------------------------------------------------------------------------- CenterPoint Energy, Inc. Holding Co. - ------------------------------------------------------------------------------- Intermediate Holding Utility Holding, LLC Co. - ------------------------------------------------------------------------------- CenterPoint Energy Funding Company Financing Co. - ------------------------------------------------------------------------------- Transmission & CenterPoint Energy Houston Electric, LLC Distribution Utility - ------------------------------------------------------------------------------- CenterPoint Energy Transition Bond Company, LLC Financing Co. - ------------------------------------------------------------------------------- CenterPoint Energy Transition Bond Company II, LLC Financing Co. - ------------------------------------------------------------------------------- Houston Industries FinanceCo GP, LLC Inactive - ------------------------------------------------------------------------------- Houston Industries FinanceCo LP Inactive - ------------------------------------------------------------------------------- CenterPoint Energy Service Company, LLC Service Company - ------------------------------------------------------------------------------- CenterPoint Energy Avco Holdings, LLC Financing Co. - ------------------------------------------------------------------------------- CenterPoint Energy Investment Management, Inc. Financing Co. - ------------------------------------------------------------------------------- CenterPoint Energy Power Systems, Inc. Non-utility - ------------------------------------------------------------------------------- CenterPoint Energy Products, Inc. Non-utility - ------------------------------------------------------------------------------- CenterPoint Energy Properties, Inc. Non-utility - ------------------------------------------------------------------------------- CenterPoint Energy Tegco, Inc. Inactive - ------------------------------------------------------------------------------- HL&P Capital Trust I Inactive - ------------------------------------------------------------------------------- HL&P Capital Trust II Financing Co. - ------------------------------------------------------------------------------- NorAm Energy Corp. Inactive - ------------------------------------------------------------------------------- REI Trust I Inactive - ------------------------------------------------------------------------------- Intermediate Holding Texas Genco Holdings, Inc. Co. - ------------------------------------------------------------------------------- Intermediate Holding Texas Genco GP, LLC Co. - ------------------------------------------------------------------------------- Intermediate Holding Texas Genco LP, LLC Co. - ------------------------------------------------------------------------------- Texas Genco, LP EWG - ------------------------------------------------------------------------------- Utility Rail Services, Inc. Inactive - ------------------------------------------------------------------------------- Block 368 GP, LLC Inactive - ------------------------------------------------------------------------------- Block 368, LP Inactive - ------------------------------------------------------------------------------- CenterPoint Energy, Inc. (a Delaware Company) Inactive - ------------------------------------------------------------------------------- CenterPoint Energy Resources Corp. Natural gas utility - ------------------------------------------------------------------------------- ALG Gas Supply Company Inactive - -------------------------------------------------------------------------------

Nature of Business (2) - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy, Inc. Parent company, - -------------------------------------------------------------------------------------------------------------------------- Intermediate holding company created during Restructuring to Utility Holding, LLC hold direct subsidiaries. - -------------------------------------------------------------------------------------------------------------------------- Created to ensure the funds made available by CenterPoint Energy for the purpose of financing acquisition, ownership or operation of foreign utility companies was in compliance with CenterPoint Energy Funding Company the 1935 Act.. - -------------------------------------------------------------------------------------------------------------------------- Provides electric transmission and distribution services to retail CenterPoint Energy Houston Electric, LLC electric providers in Houston, Texas and the surrounding area. - -------------------------------------------------------------------------------------------------------------------------- Securitized regulatory assets and other qualified costs and issued Transition Bonds to recover $740 million of generation- CenterPoint Energy Transition Bond related regulatory assets and $10.7 million of costs related to Company, LLC the issuance and servicing of the bonds. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Transition Bond A financing entity; will issue bonds to securitize the balance Company II, LLC determined by PUC in Docket 30485 - -------------------------------------------------------------------------------------------------------------------------- Houston Industries FinanceCo GP, LLC Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Houston Industries FinanceCo LP Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Provides services, including Executive Management, Finance, Human Resources, Legal, Shared Services, and Information Technology, etc. to CenterPoint Energy, Inc. and its CenterPoint Energy Service Company, LLC subsidiaries - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Avco Holdings, LLC Owns the corporate aircraft purchased in 2003. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Investment Management, Inc. Owns the Time Warner stock. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Power Systems, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Products, Inc. Company formerly sold various products. - -------------------------------------------------------------------------------------------------------------------------- Owns CNP Tower, ECDC, Regency Garage and other property. Cushman and Wakefield, a property management company, CenterPoint Energy Properties, Inc. manages much of the property for CenterPoint Energy. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Tegco, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- HL&P Capital Trust I Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Holds Jr. Debentures of CNP Inc (intercompany) of $103 million, and has issued Trust Preferred Securities ($100 million currently outstanding). Income impacts result from dividends on Trust Preferred Securities and intercompany interest on Jr. HL&P Capital Trust II Debentures. - -------------------------------------------------------------------------------------------------------------------------- Formed to protect "NorAm" name. Has no current NorAm Energy Corp. activity/operations. - -------------------------------------------------------------------------------------------------------------------------- REI Trust I Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Parent company of Texas Genco LP LLC and Texas Genco GP Texas Genco Holdings, Inc. LLC - -------------------------------------------------------------------------------------------------------------------------- Texas Genco GP, LLC General partner of Texas Genco, LP. - -------------------------------------------------------------------------------------------------------------------------- Texas Genco LP, LLC Limited partner of Texas Genco, LP - -------------------------------------------------------------------------------------------------------------------------- Texas Genco, LP Owned electric generating assets. - -------------------------------------------------------------------------------------------------------------------------- Utility Rail Services, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Block 368 GP, LLC Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Block 368, LP Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Formed to protect "CenterPoint Energy" name. Has no current CenterPoint Energy, Inc. (a Delaware Company) activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Owns gas distribution systems and, through subsidiaries, interstate and intrastate pipeline companies, gathering system CenterPoint Energy Resources Corp. and markets natural gas. - -------------------------------------------------------------------------------------------------------------------------- ALG Gas Supply Company Company has no current activity/operations. - --------------------------------------------------------------------------------------------------------------------------

TYPE OF BUSINESS(1) - --------------------------------------------------------------------------- Allied Materials Corporation Non-utility - --------------------------------------------------------------------------- Arkansas Louisiana Finance Corporation Non-utility - --------------------------------------------------------------------------- Arkla Industries Inc. Non-utility - --------------------------------------------------------------------------- Arkla Products Company Inactive - --------------------------------------------------------------------------- CenterPoint Energy Alternative Fuels, Inc. Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Consumer Group, Inc. Inactive - --------------------------------------------------------------------------- CenterPoint Energy Field Services, Inc. Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Field Services Holdings, Inc. Inactive - --------------------------------------------------------------------------- CenterPoint Energy Gas Processing, Inc. Non-utility - --------------------------------------------------------------------------- Waskom Gas Processing Company Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Gas Receivables, LLC Financing Co. - --------------------------------------------------------------------------- CenterPoint Energy Gas Transmission Company Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Hub Services, Inc. Inactive - --------------------------------------------------------------------------- CenterPoint Energy - Illinois Gas Transmission Company Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Intrastate Holdings, LLC Non-utility - --------------------------------------------------------------------------- Pine Pipeline Acquisition Company, LLC Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Gas Services, Inc. Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Retail Interests, Inc. Inactive - --------------------------------------------------------------------------- CenterPoint Energy - Mississippi River Transmission Corporation Non-utility - --------------------------------------------------------------------------- CenterPoint Energy MRT Holdings, Inc. Inactive - --------------------------------------------------------------------------- CenterPoint Energy MRT Services Company Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Pipeline Services, Inc. Non-utility - --------------------------------------------------------------------------- CenterPoint Energy OQ, LLC Non-utility - --------------------------------------------------------------------------- OQ Partners, a general partnership Non-utility - --------------------------------------------------------------------------- CenterPoint Energy Trading and Transportation Group, Inc. Inactive - --------------------------------------------------------------------------- Entex Gas Marketing Company Inactive - --------------------------------------------------------------------------- Entex NGV, Inc. Inactive - --------------------------------------------------------------------------- Entex Oil & Gas Company Inactive - --------------------------------------------------------------------------- Intex, Inc Inactive - --------------------------------------------------------------------------- CenterPoint Energy Intrastate Pipelines, Inc. Non-utility - --------------------------------------------------------------------------- Minnesota Intrastate Pipeline Company Non-utility - --------------------------------------------------------------------------- National Furnace Company Non-utility - ---------------------------------------------------------------------------

NATURE OF BUSINESS (2) - -------------------------------------------------------------------------------------------------------------------------- Was formerly engaged in manufacturing. Current operations of the company are remediation of environmental matters in Allied Materials Corporation Oklahoma. - -------------------------------------------------------------------------------------------------------------------------- Is currently being used to account for the receivables from customers who have financed appliances through Arkla. The company is no longer making new loans, but there are several Arkansas Louisiana Finance Corporation years left on existing loans. - -------------------------------------------------------------------------------------------------------------------------- Previously manufactured appliances and now handles recall Arkla Industries Inc. issues. - -------------------------------------------------------------------------------------------------------------------------- Arkla Products Company Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Formed for the purpose of establishing commercial retail outlets CenterPoint Energy Alternative Fuels, Inc. to promote, market, distribute, and sell compressed natural gas. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Consumer Group, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Field Services, Inc. A natural gas gathering company. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Field Services Holdings, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Gas Processing, Inc. Owns an interest in a natural gas processing plant. - -------------------------------------------------------------------------------------------------------------------------- General partnership between CenterPoint Energy Gas Processing and Prism Gas Systems, Inc. and owns a gas Waskom Gas Processing Company processing plant in Harrison County, Texas. - -------------------------------------------------------------------------------------------------------------------------- A bankruptcy remote subsidiary that purchases customer accounts receivable from CERC affiliates and sells some of CenterPoint Energy Gas Receivables, LLC these receivables to an outside party. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Gas Transmission Company Interstate natural gas pipeline. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Hub Services, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy - Illinois Gas Transmission Company Intrastate natural gas pipeline in Illinois. - -------------------------------------------------------------------------------------------------------------------------- Holding company for our investment interest in Pine Pipeline CenterPoint Energy Intrastate Holdings, LLC Partnership. - -------------------------------------------------------------------------------------------------------------------------- A partnership owned 81.4% by CNP and 18.6% by subsidiary of Atmos Energy, Louisiana Gas Services. The partnership Pine Pipeline Acquisition Company, LLC owns a intrastate pipeline in Louisiana. - -------------------------------------------------------------------------------------------------------------------------- Markets natural gas and related services to commercial and CenterPoint Energy Gas Services, Inc. industrial customers. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Retail Interests, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy - Mississippi River Transmission Corporation Interstate natural gas pipeline. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy MRT Holdings, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Its sole purpose is the ownership of a canal, which carries inlet water to generating plants in California. The Company is to be CenterPoint Energy MRT Services Company divested. - -------------------------------------------------------------------------------------------------------------------------- Offers engineering, project management, construction management, pipeline operation and other turn-key CenterPoint Energy Pipeline Services, Inc. construction and project management solutions for companies. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy OQ, LLC Owns 50% partnership interest in OQ Partners . - -------------------------------------------------------------------------------------------------------------------------- Developing & marketing training modules for operator OQ Partners, a general partnership qualification rule compliance and record keeping. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Trading and Transportation Group, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Company has no current activity/operations. Company is being Entex Gas Marketing Company dissolved. - -------------------------------------------------------------------------------------------------------------------------- Entex NGV, Inc. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Entex Oil & Gas Company Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------- Company has no current activity/operations. Formed to hold Intex, Inc name. - -------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Intrastate Pipelines, Inc. Intrastate pipelines in Louisiana and Texas. - -------------------------------------------------------------------------------------------------------------------------- Minnesota Intrastate Pipeline Company Intrastate pipeline in Minnesota. - -------------------------------------------------------------------------------------------------------------------------- The company's purpose is to fulfill legal obligations relating to National Furnace Company past sales of furnaces. - --------------------------------------------------------------------------------------------------------------------------

TYPE OF BUSINESS(1) - -------------------------------------------------------------------------- NorAm Financing I Financing Co. - -------------------------------------------------------------------------- NorAm Utility Services, Inc. Inactive - -------------------------------------------------------------------------- CenterPoint Energy Funds Management, Inc. Financing Co. - -------------------------------------------------------------------------- United Gas, Inc. Inactive - -------------------------------------------------------------------------- International Holding CenterPoint Energy International, Inc. Co. - -------------------------------------------------------------------------- CenterPoint Energy International Holdings, LLC Inactive - -------------------------------------------------------------------------- Reliant Energy El Salvador, S.A. de C.V. Inactive - -------------------------------------------------------------------------- CenterPoint Energy International II, Inc. Inactive - -------------------------------------------------------------------------- HIE Ford Heights, Inc. Inactive - -------------------------------------------------------------------------- HIE Fulton, Inc. Inactive - -------------------------------------------------------------------------- CenterPoint Energy International Services, Inc. Inactive - -------------------------------------------------------------------------- CenterPoint Energy Light, Inc. Inactive - -------------------------------------------------------------------------- Reliant Energy Brasil, Ltda. Inactive - -------------------------------------------------------------------------- Reliant Energy Brazil Ltd. Inactive - -------------------------------------------------------------------------- HIE Brasil Rio Sul Ltda. Inactive - -------------------------------------------------------------------------- Reliant Energy International Brasil Ltda. Inactive - -------------------------------------------------------------------------- Reliant Energy Brazil Tiete Ltd. Inactive - -------------------------------------------------------------------------- Reliant Energy Colombia Ltda. Inactive - -------------------------------------------------------------------------- Reliant Energy Outsource Ltd. Inactive - -------------------------------------------------------------------------- Venus Generation El Salvador Inactive - -------------------------------------------------------------------------- Worldwide Electric Holdings B.V. Inactive - --------------------------------------------------------------------------

NATURE OF BUSINESS (2) - ------------------------------------------------------------------------------------------------------------------------- Holds Jr. Debentures of CERC (intercompany) of $6 million and has issued Trust Preferred Securities ($0.3 million currently outstanding). Income impacts result from dividends on Preferred Trust Securities and intercompany interest on Jr. NorAm Financing I Debentures. - ------------------------------------------------------------------------------------------------------------------------- Company has no current activity/operations. Previously NorAm Utility Services, Inc. provided line locating and related services - ------------------------------------------------------------------------------------------------------------------------- Maintains intercompany balances with the participating CenterPoint Energy Funds Management, Inc. companies and charges interest on those balances monthly. - ------------------------------------------------------------------------------------------------------------------------- Formed to protect the name United Gas. Company has no United Gas, Inc. current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy International, Inc. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy International Holdings, LLC Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy El Salvador, S.A. de C.V. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy International II, Inc. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Company has no current activity/operations. Bankrupt EWG in HIE Ford Heights, Inc. Illinois. - ------------------------------------------------------------------------------------------------------------------------- Company has no current activity/operations. Bankrupt EWG in HIE Fulton, Inc. Illinois. - ------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy International Services, Inc. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- CenterPoint Energy Light, Inc. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy Brasil, Ltda. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy Brazil Ltd. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- HIE Brasil Rio Sul Ltda. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy International Brasil Ltda. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy Brazil Tiete Ltd. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy Colombia Ltda. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Reliant Energy Outsource Ltd. Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Venus Generation El Salvador Company has no current activity/operations. - ------------------------------------------------------------------------------------------------------------------------- Worldwide Electric Holdings B.V. Company has no current activity/operations. - -------------------------------------------------------------------------------------------------------------------------

EXHIBIT K-1 (Part 2) FILE NO. 070-10299 CENTERPOINT ENERGY, INC. COMPANIES FORMED JANUARY 1, 2005 TO MAY 31, 2005 During 2005, CenterPoint Energy formed one additional company that is not reflected on the summaries as of March 31, 2005 in Part 1 of this exhibit. Information on that company is as follows: Name: CenterPoint Energy Offshore Management Services, LLC Type of Business: Non-utility Rule 58 company Nature of Business: Operations and maintenance services to offshore production platforms.

EXHIBIT L-1 FILE NO. 070-10299 INACTIVE SUBSIDIARIES 1. Houston Industries FinanceCo GP, LLC 2. Houston Industries FinanceCo LP 3. CenterPoint Energy Tegco, Inc. 4. HL&P Capital Trust I 5. NorAm Energy Corp. 6. REI Trust I 7. Utility Rail Services, Inc. 8. Block 368 GP, LLC 9. Block 368, LP 10. CenterPoint Energy, Inc. (a Delaware company) 11. ALG Gas Supply Company 12. Arkla Products Company 13. CenterPoint Energy Consumer Group, Inc. 14. CenterPoint Energy Field Services Holdings, Inc. 15. CenterPoint Energy Hub Services, Inc. 16. CenterPoint Energy Retail Interests, Inc. 17. CenterPoint Energy MRT Holdings, Inc. 18. CenterPoint Energy Trading and Transportation Group, Inc. 19. Entex Gas Marketing Company 20. Entex, NGV, Inc. 21. Entex Oil & Gas Company 22. Intex, Inc. 23. NorAm Utility Services, Inc. 24. United Gas, Inc.

EXHIBIT L-1 FILE NO. 070-10299 25. CenterPoint Energy International Holdings, LLC 26. Reliant Energy El Salvador S.A. de C.V. 27. CenterPoint Energy International II, Inc. 28. HIE Ford Heights, Inc. 29. HIE Fulton, Inc. 30. CenterPoint Energy International Services, Inc. 31. CenterPoint Energy Light, Inc. 32. Reliant Energy Brasil, Ltda. 33. Reliant Energy Brazil Ltd. 34. HIE Brasil Rio Sul Ltda. 35. Reliant Energy International Brasil Ltda. 36. Reliant Energy Brazil Tiete Ltd. 37. Reliant Energy Columbia Ltda. 38. Reliant Energy Outsource Ltd. 39. Venus Generation El Salvador 40. Worldwide Electric Holdings B.V.