1 EXHIBIT 10-CC THIS FIRST AMENDMENT AND SUPPLEMENT TO CREDIT AGREEMENT AND ASSIGNMENT (this "First Amendment") is made and entered into as of the 6th day of December, 1995 (the "Syndication Effective Date"), with respect to the US$1,000,000,000 Credit Agreement dated as of November 28, 1995 (the "Credit Agreement") among The Columbia Gas System, Inc., a Delaware corporation ("Borrower"), Citibank, N.A., individually and as administrative, documentation and co-syndication agent (in such capacity, the "Agent"), Bank of Montreal, Bankers Trust Company, Chemical Bank, CIBC, Inc., and Morgan Guaranty Trust Company of New York, each as a Co-Syndication Agent (collectively, with the Agent, the "Existing Lenders") and each of the banks and financial institutions listed on Schedule II hereto under the heading "Assignee" (collectively, the "New Lenders"). Defined terms used in this First Amendment and not otherwise defined herein shall have the meanings ascribed to such terms in the Credit Agreement. RECITALS WHEREAS, the Existing Lenders now desire to effect a general syndication of the Credit Agreement and the related assignment of the outstanding Advances and Letters of Credit thereunder, and certain other changes to the Credit Agreement, by amending certain terms of the Credit Agreement. NOW, THEREFORE, the parties hereto hereby agree as follows: ARTICLE I Amendments Section 1.1. All references to "Schedule I" in the Credit Agreement are hereby amended to refer to Schedule I attached to this First Amendment. Section 1.2. The following terms, which are defined in Section 1.01 of the Credit Agreement, are hereby amended as follows: (a) The definition of "Reference Banks" is amended in its entirety to read as follows: "Reference Banks" means Citibank, Canadian Imperial Bank of Commerce and PNC Bank National Association. (b) The definition of "Swing Line Banks" is amended in its entirety to read as follows: "Swing Line Banks" means Citibank, PNC Bank National Association and such other Lenders mutually acceptable to the Borrower and the Agent. 2 2 Section 1.3 Section 1.01 of the Credit Agreement is hereby further amended and supplemented by adding the following new definitions, which, respectively, read in their entirety as follows: "First Amendment" means that certain First Amendment and Supplement to Credit Agreement and Assignment dated as of December 6, 1995, among the Borrower, the Agent and the lenders party thereto. "Co-Agents" means Commerzbank A.G. and PNC Bank National Association. Section 1.4 Section 7.07 of the Credit Agreement is hereby amended in its entirety to read as follows: Managing and Co-Syndication Agents/ Co-Agents as Lenders. No Managing and Co-Syndication Agent or Co-Agent shall have any rights, responsibilities or obligations other than as a Lender hereunder. Section 1.5 Section 5.02(c) of the Credit Agreement is hereby amended by inserting the following language in the first sentence of such Section, immediately after the words "(whether in one transaction or a series of transactions),": "or permit its Material Subsidiaries to sell, convey, transfer or otherwise dispose of (whether in one transactions or a series of transactions;" Section 1.6 Section 8.04(b)(i) of the Credit Agreement is hereby amended by inserting the following language in the first sentence of such Section, immediately after the words "each Managing and Co-syndication Agent,": "each Co-Agent,". Section 1.7 Section 8.04(b)(ii) of the Credit Agreement is hereby amended by adding the following sentence to the end of Section 8.04(b)(ii): "In the event that any Letter of Credit, at the request or direction of the Borrower, shall expressly choose a state or country law other than New York, U.S.A., the Borrower shall be obligated to reimburse the Issuing Lender for payments made under such Letter of Credit if such payment is justified under either New York law or the law governing such Letter of Credit." Section 1.8 Section 8.07(a) of the Credit Agreement is hereby amended by adding the following language to such Section, immediately following subsection (ii) of the first proviso thereof: 3 3 "subject to the right of the Agent and each Managing and Co-Syndication Agent and each Co-Agent, from the date hereof until March 31, 1996, to make assignments of their respective Revolving Credit Commitment in accordance with this Section 8.07 in an amount equal to or greater than $1,000,000, provided that the assignee of any such assignment, after giving effect to all assignments being made to such assignee, shall have Revolving Credit Commitments of at least #$5,000,000,". Section 1.9 Section 8.07(a) of the Credit Agreement is hereby further amended by amending, in its entirety, the second proviso thereof as follows: "provided further that (A) in the case of an assignment by any Lender to an Affiliate of such Lender, or an assignment by any Lender to any other Lender, the Borrower must be given written notice thereof, but the consent of the Lender shall not be required and (B) to the extent that more than one Lender makes an assignment to the same assignee on the same date prior to March 31, 1996, only one processing and recordation fee shall be required to be paid in connection with all of such assignments. ARTICLE 11 Sales and Assignments; Funding Section 2.1 Effective on and as of the Syndication Effective Date, each Existing Lender hereby sells, assigns and transfers to the applicable New Lenders, and each New Lender hereby purchases and assumes from the applicable Existing Lenders and undivided interest in and to such Existing Lender's Commitment in the amounts set forth on Schedule II hereto, together with a corresponding undivided interest in and to such Existing Lender's rights and obligations under the Credit Agreement, as amended and supplemented hereby, resulting in the New Lenders and the Existing Lenders constituting the Lenders under the Credit Agreement. The result of the assignments contained in this Section 2.1 is that the respective Revolving Credit Commitment and Swing Line Commitment of each Existing Lender and each New Lender shall be in the amounts set forth opposite such Lender's name on the signature pages hereto, with each such Lender holding a promissory note from the Borrower in the amount reflected on such signature pages under the heading "Revolving Credit Commitment". Each New Lender (i) agrees that upon the effectiveness of this First Amendment it will perform, in accordance with their terms, all of the obligations required to be performed by such New Lender under the terms of the Credit Agreement and (ii) appoints and authorizes the Agent to take such action as agent on its behalf and to exercise such powers and discretion under the Credit Agreement as are delegated to the Agent by the terms thereof, together with such powers and discretion as are reasonably incidental thereto. Each New Lender has attached hereto any United States Internal Revenue Service forms required under Section 2.15 of the Credit Agreement. 4 4 Section 2.2 Subject to the prior effectiveness of this First Amendment, and in order to give effect to the reallocation of the Commitments and the outstanding Advances among the Existing Lenders and the New Lenders provided for by Section 2.1 of this First Amendment, before 11:00 a.m (New York City time) on the Syndication Effective Date: (i) Each New Lender shall make available to the Agent's Account, for the respective accounts of the Existing Lenders, an amount equal to such New Lender's Pro Rata Share of the outstanding Advances under the Credit Agreement and the outstanding Letters of Credit issued under the Credit Agreement (as such amounts are reflected on Schedule III hereto); and (ii) Promptly thereafter (but in any event on the same day), the Agent shall cause to be distributed in like funds to each Existing Lender, for the account of its Applicable Lending Office, such Existing Lender's Pro Rata Share (without giving effect to the reallocation of Commitments under this First Amendment) of the amount paid by the New Lenders pursuant to clause (i) of this Section 2.2. Section 2.3 Subject to the prior effectiveness of this First Amendment, and in order to give effect to the reallocation of the commitments among the Existing Lenders and the New Lenders provided for by Section 2.1 of this First Amendment and the participation fees required to be paid under the Credit Agreement, before 11:00 a.m. (New York City time) on the Syndication Effective Date: (i) Each Existing Lender shall make available to the Agent's Account, for the respective accounts of the New Lenders, $69,916.67 (the total amount being the "Syndicate Participation Fees"); and (ii) Promptly thereafter (but in any event on the same day), the Agent shall cause to be distributed in like funds to each New Lender, for the account of its Applicable Lending Office, the amount of the Syndicate Participation Fees as set forth on Schedule IV hereto. Section 2.4 Upon receipt of the monies by the Agent, as provided in Section 2.2(i) and 2.3(i) of this First Amendment and payment of the monies by the Agent, as provided in Section 2.2(ii) and 2.3(ii) of this First Amendment, the Agent shall make appropriate entries in its books pursuant to Section 8.07 of the Credit Agreement to reflect the reallocation of Commitments, Advances and Letters of Credit effected by this First Amendment. ARTICLE III Effectiveness 5 5 Section 3.1 This First Amendment shall become effective as of the date first above written when, and only when, the Agent shall have received counterparts of this First Amendment executed by the Borrower, the Existing Lenders and the New Lenders or, as to any of the Lenders, advice satisfactory to the Agent that such Lender has executed this First Amendment. The Agent shall promptly notify the Borrower when all such counterparts have been received. This First Amendment is subject to the provisions of Section 8.01 of the Credit Agreement. ARTICLE IV Waivers to Credit Agreement Section 4.1 The Borrower, Agent and each Existing Lender agrees to waive the requirements of Section 8.07 of the Credit Agreement solely for the purpose of and to the extent required to permit the reallocation of Commitments, Advances and Letters of Credit pursuant to the provisions of this First Amendment. ARTICLE V Miscellaneous Section 5.1 The Credit Agreement, as specifically amended by this First Amendment, is and shall continue to be in full force and effect and is hereby in all respects ratified and confirmed. The execution, delivery and effectiveness of this First Amendment shall not, except as expressly provided herein, operate as a waiver of any right, power or remedy of the Borrower or any Lender or the Agent under the Credit Agreement, nor constitute a waiver of any provision of the Credit Agreement. Section 5.2 This First Amendment may be signed in any number of counterparts, each of which shall be an original, with the same effect as if the signatures thereto were upon the same instrument. Delivery of an executed counterpart of a signature page of this First Amendment by telecopier shall be effective as delivery of a manually executed counterpart of this First Amendment. Section 5.3 This First Amendment shall benefit and bind the parties hereto, as well as their respective assigns, successors, heirs and legal representatives. Section 5.4 This First Amendment shall be governed by, and construed in accordance with, the laws of the State of New York. 6 6 If you agree to the terms and provisions hereof, please evidence such agreement by executing and returning a counterpart of this First Amendment to Shearman & Sterling, 599 Lexington Avenue, New York, New York, 10022, Attention: Michael Bowman, fax number (212) 848-7179. Very truly yours, THE COLUMBIA GAS SYSTEM, INC. By /s/ L. J. Bainter ---------------------------------- Title: Treasurer CITIBANK, N.A., as Agent By /s/ Arezoo Jafari ---------------------------------- Title: Arezoo Jafari Assistant Vice President 7 7 Agreed as of the date first above written: Revolving Credit Swing Line Commitment Commitment - ---------- ---------- $78,900,000 $15,000,000 CITIBANK, N.A., By /s/ Arezoo Jafari ---------------------------------- Title: Arezoo Jafari Assistant Vice President $78,900,000 $0 BANK OF MONTREAL, CHICAGO BRANCH By /s/ Bernard Silgardo ---------------------------------- Title: Director $78,900,000 $0 BANKERS TRUST COMPANY By /s/ Mary Jo Jolly ---------------------------------- Title: Mary Jo Jolly Assistant Vice President $78,900,000 $0 CIBC, INC. By /s/ R. E. Long ---------------------------------- Title: Vice President $78,900,000 $0 CHEMICAL BANK By /s/ James H. Ramage ---------------------------------- Title: James H. Ramage Vice President 8 8 Revolving Credit Swing Line Commitment Commitment - ---------- ---------- $78,900,000 $0 MORGAN GUARANTY TRUST COMPANY OF NEW YORK By /s/ J. S. Finch ---------------------------------- Title: Vice President $65,800,000 $0 COMMERZBANK, A.G., NEW YORK BRANCH By /s/ Dempsey Gable ---------------------------------- Title: Senior Vice President $65,800,000 $15,000,000 PNC BANK NATIONAL ASSOCIATION By /s/ L. E. Susack ---------------------------------- Title: Vice President $60,000,000 $0 SOCIETE GENERALE, NEW YORK BRANCH By /s/ Gordon Eadon ---------------------------------- Title: Gordon Eadon Vice President 9 9 Revolving Credit Swing Line Commitment Commitment - ---------- ---------- $50,000,000 $0 CREDIT LYONNAIS CAYMAN ISLAND BRANCH By /s/ Xavier Ratouis ---------------------------------- Title: Xavier Ratouis Authorized Signature $50,000,000 $0 THE SANWA BANK. LIMITED By /s/ Dorn Sorreso ---------------------------------- Title: Vice President $35,000,000 $0 CAISSE NATIONALE DE CREDIT AGRICOLE By /s/ Dean Balice ---------------------------------- Title: Dean Balice Senior Vice President Branch Manager 25,000,000 $0 THE BANK OF NOVA SCOTIA By /s/ F. C. H. Ashby ---------------------------------- Title: F. C. H. Ashby Senior Manager Loan Operations $25,000,000 $0 DAI-ICHI KANGYO BANK, LTD. By /s/ Takeshi Kurita ---------------------------------- Title: Vice President 10 10 Revolving Credit Swing Line Commitment Commitment - ---------- ---------- $25,000,000 $0 THE FIRST NATIONAL BANK OF CHICAGO By /s/ Kenneth Bauer ----------------------------------------- Title: Corporate Banking Officer $25,000,000 $0 KREDIETBANK N.V. By /s/ Armen Karozichian Robert Snauffer ---------------------------------------- Title:Armen Karozichian Robert Snauffer Vice President Vice President $25,000,000 $0 THE MITSUBISHI BANK, LIMITED, NEW YORK BRANCH By /s/ Robert J. Dilloff ----------------------------------------- Title: Robert J. Dilloff Vice President $25,000,000 $0 NATIONAL CITY BANK, COLUMBUS By /s/ Jeffrey Hawthorne ----------------------------------------- Title: Vice President $25,000,000 $0 ROYAL BANK OF CANADA By /s/ J. D. Frost ----------------------------------------- Title: J. D. Frost Senior Manager 11 11 Revolving Credit Swing Line Commitment Commitment - ---------- ---------- $25,000,000 $0 UNION BANK OF SWITZERLAND, NEW YORK BRANCH By /s/ James P. Kelleher -------------------------------------------------- Title: James P. Kelleher Assistant Vice President By /s/ Peter B. Yearley ---------------------------------------------------- Title: Peter B. Yearley Vice President $1,000,000,000 $30,000,000 Total of the Commitments 12 SCHEDULE I THE COLUMBIA GAS SYSTEM, INC. $1,000,000,000 CREDIT AGREEMENT APPLICABLE LENDING OFFICES Name of Initial Lender Domestic Lending Office Eurodollar Lending Office - ---------------------- ----------------------- ------------------------- Bank of Montreal Bank of Montreal, Chicago Branch Bank of Montreal, Chicago 115 S. LaSalle Street Branch Chicago, IL 60603 115 S. LaSalle Street Attn: Loan Accounting Chicago, IL 60603 Attn: Loan Accounting CIBC, Inc. CIBC, Inc. CIBC, Inc. 2727 Paces Ferry Road 2727 Paces Ferry Road Suite 1200 Suite 1200 Atlanta, GA 30339 Atlanta, GA 30339 Attn: Suzanne Miles Attn: Suzanne Miles Morgan Guaranty Trust Company Morgan Guaranty Trust Company Morgan Guaranty Trust Company of New York of New York of New York 60 Wall Street Nassau Bahamas Office New York, NY 10260 c/o J.P. Morgan Services, Inc. Attn: Loan Operations Loan Operations, 3rd Floor 500 Stanton Christiana Road Newark, DE 19713 Royal Bank of Canada Royal Bank of Canada Royal Bank of Canada 1 Financial Square 1 Financial Square 24th Floor 24th Floor New York, NY 10005 New York, NY 10005 Attn: Attn: National City Bank, Columbus National City Bank, Columbus National City Bank, Columbus 155 East Broad Street 155 East Broad Street Columbus, OH 43251 Columbus, OH 43251 Attn: Jeffrey L. Hawthorne, V.P. Attn: Jeffrey L. Hawthorne, V.P. The Dai-Ichi Kangyo Bank, The Dai-Ichi Kangyo Bank, The Dai-Ichi Kangyo Bank, Limited Limited, New York Branch Limited, New York Branch One World Trade Center, One World Trade Center, Suite 4911 Suite 4911 New York, NY 10048 New York, NY 10048 Attn: Attn: 13 SCHEDULE I THE COLUMBIA GAS SYSTEM, INC. $1,000,000,000 CREDIT AGREEMENT APPLICABLE LENDING OFFICES (Continued) Name of Initial Lender Domestic Lending Office Eurodollar Lending Office - ---------------------- ----------------------- ------------------------- The Mitsubishi Bank, Limited - The Mitsubishi Bank, Limited - The Mitsubishi Bank, Limited - New York Branch New York Branch New York Branch 225 Liberty Street 225 Liberty Street Two World Financial Center Two World Financial Center New York, NY 10281 New York, NY 10281 Attn: James Fuell Attn: James Fuell 14 SCHEDULE II ================================================================================================================ AMOUNT OF ASSIGNOR ASSIGNEE COMMITMENT ASSIGNED - ---------------------------------------------------------------------------------------------------------------- Citibank, N.A. Union Bank of Switzerland $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Citibank, N.A. Royal Bank of Canada $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Citibank, N.A. National City Bank, Columbus $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Citibank, N.A. Mitsubishi Bank, Limited $12,766,667 - ---------------------------------------------------------------------------------------------------------------- Bank of Montreal Mitsubishi Bank, Limited $12,233,333 - ---------------------------------------------------------------------------------------------------------------- Bank of Montreal Kredietbank N.V. $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Bank of Montreal The First National Bank of Chicago $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Bank of Montreal Dai-Ichi Kangyo Bank, Ltd. $25,000,000 - ---------------------------------------------------------------------------------------------------------------- Bank of Montreal The Bank of Nova Scotia $533,334 - ---------------------------------------------------------------------------------------------------------------- Bankers Trust The Bank of Nova Scotia $24,466,666 - ---------------------------------------------------------------------------------------------------------------- Bankers Trust Caisse Nationale de Credit Agricole $35,000,000 - ---------------------------------------------------------------------------------------------------------------- Bankers Trust Sanwa Bank, Limited $28,300,001 - ---------------------------------------------------------------------------------------------------------------- CIBC, Inc. Sanwa Bank, Limited $21,699,999 - ---------------------------------------------------------------------------------------------------------------- CIBC, Inc. Credit Lyonnais $50,000,000 - ---------------------------------------------------------------------------------------------------------------- CIBC, Inc. Societe Generale $16,066,668 - ---------------------------------------------------------------------------------------------------------------- Chemical Bank Societe Generale $43,933,332 - ---------------------------------------------------------------------------------------------------------------- Chemical Bank PNC Bank National Association (Co-Agent) $43,833,335 - ---------------------------------------------------------------------------------------------------------------- Morgan Guaranty Trust Company of New York PNC Bank National Association (Co-Agent) $21,966,665 - ---------------------------------------------------------------------------------------------------------------- Morgan Guaranty Trust Company of New York Commerzbank, A.G. (Co-Agent) $65,800,000 - ---------------------------------------------------------------------------------------------------------------- Total ================================================================================================================ 15 SCHEDULE III PRO RATA SHARE OF OUTSTANDING ADVANCES AND LETTERS OF CREDIT Outstanding Advances as of the Syndication Effective Date: $330,000,000 Issued Letters of Credit as of the Syndication Effective Date: $58,822,523.15 PRO RATA SHARE PRO RATA SHARE OF OUTSTANDING OF OUTSTANDING NEW BANK ADVANCES LETTERS OF CREDIT - -------- ---------------------- ----------------- CITIBANK, N.A. $26,037,000 $4,641,097.10 BANK OF MONTREAL $26,037,000 $4,641,097.10 BANKERS TRUST COMPANY $26,037,000 $4,641.097.10 CIBC, INC. $26,037,000 $4,641,097.10 CHEMICAL BANK $26,037,000 $4,641,097.10 MORGAN GUARANTY TRUST $26,037,000 $4,641,097.10 OF NEW YORK COMMERZBANK, A.G. $21,714,000 $3,870,522.00 PNC BANK NATIONAL $21,714,000 $3,870,522.00 ASSOCIATION SOCIETE GENERALE $19,800,000 $3,529,351.30 CREDIT LYONNAIS $16,500,000 $2,941,126.15 THE SANWA BANK LIMITED $16,500,000 $2,941,126.15 CAISSE NATIONALE DE $11,550,000 $2,058,788.15 CREDIT AGRICOLE THE BANK OF NOVA SCOTIA $ 8,250,000 $1,470,563.10 DAI-ICHI KANGYO BANK, LTD. $ 8,250,000 $1,470,563.10 THE FIRST NATIONAL $ 8,250,000 $1,470,563.10 BANK OF CHICAGO KREDIETBANK N.V. $ 8,250,000 $1,470,563.10 THE MITSUBISHI BANK, LIMITED $ 8,250,000 $1,470,563.10 NATIONAL CITY BANK, COLUMBUS $ 8,250,000 $1,470,563.10 ROYAL BANK OF CANADA $ 8,250,000 $1,470,563.10 UNION BANK OF SWITZERLAND $ 8,250,000 $1,470,563.10 16 SCHEDULE IV EACH NEW LENDERS PARTICIPATION FEE NEW BANK PARTICIPATION FEE - -------- ----------------- COMMERZBANK, A.G. $82,250 PNC BANK NATIONAL $82,250 ASSOCIATION SOCIETE GENERALE $54,000 CREDIT LYONNAIS $40,000 THE SANWA BANK LIMITED $40,000 CAISSE NATIONALE DE $21,000 CREDIT AGRICOLE THE BANK OF NOVA SCOTIA $12,500 DAI-ICHI KANGYO BANK, LTD. $12,500 THE FIRST NATIONAL $12,500 BANK OF CHICAGO KREDIETBANK N.V. $12,500 THE MITSUBISHI BANK, LIMITED $12,500 NATIONAL CITY BANK, COLUMBUS $12,500 ROYAL BANK OF CANADA $12,500 UNION BANK OF SWITZERLAND $12,500