EXHIBIT 4.6(B) FIRST AMENDMENT TO COLLATERAL AGENCY AND INTERCREDITOR AGREEMENT First Amendment dated as of June 20, 1996 (this "Amendment"), to the COLLATERAL AGENCY AND INTERCREDITOR AGREEMENT dated as of July 21, 1995 (the "Intercreditor Agreement"), among SALTON SEA FUNDING CORPORATION, a Delaware corporation (together with its successors and assigns, the "Funding Corporation"), the SALTON SEA GUARANTORS (as defined in the Indenture referred to below), the PARTNERSHIP GUARANTORS (as defined in the Indenture referred to below), the ROYALTY GUARANTOR (as defined in the Indenture referred to below), the DEBT SERVICE RESERVE LOC PROVIDER (as defined in the Intercreditor Agreement), the WORKING CAPITAL AGENT (as defined in the Intercreditor Agreement), the PERMITTED COUNTERPARTY under any Interest Rate Protection Agreement (each, as defined in the Indenture referred to below), the TRUSTEE (as defined in the Intercreditor Agreement), the DEPOSITARY AGENT (as defined in the Intercreditor Agreement) and the COLLATERAL AGENT (as defined in the Intercreditor Agreement). Capitalized terms used but not otherwise defined herein shall have the meanings assigned to such terms in the Intercreditor Agreement. WHEREAS, the Funding Corporation, the Salton Sea Guarantors, certain of the Partnership Guarantors, the Royalty Guarantor, the Debt Service Reserve LOC Provider, the Working Capital Agent, the Trustee, the Depositary Agent and the Collateral Agent have entered into the Intercreditor Agreement; WHEREAS, the Funding Corporation has issued Securities under the Trust Indenture, dated as of July 21, 1995 (as supplemented and amended by the First Supplemental Indenture dated as of October 18, 1995), between the Funding Corporation, as principal and as agent for the Guarantors, and the Trustee (the "Trust Indenture"); WHEREAS, the Funding Corporation has determined to issue $70,000,000 principal amount of 7.02% Series D Senior Secured Notes due 2000 and $65,000,000 principal amount of 8.30% Series E Senior Secured Bonds due 2011 (the "Series D and E Securities") pursuant to the Second Supplemental Indenture, dated as of June 20, 1996 (the "Supplemental Indenture"), between the Funding Corporation, as principal and as agent for the Guarantors, and the Trustee (the Trust Indenture, as so supplemented and as otherwise amended, modified or supplemented from time to time, the "Indenture"); WHEREAS, in connection with the issuance of additional Securities pursuant to the Indenture, additional parties are becoming Partnership Guarantors under the Indenture and related documents, and additional parties are becoming obligors under the Partnership Credit Agreement; and WHEREAS, the terms of the Intercreditor Agreement must be amended to reflect the additional Partnership Guarantors and additional obligors under the Partnership Credit Agreement and to effect other changes in connection with the issuance by the Funding Corporation of additional Securities under the Indenture. NOW, THEREFORE, in consideration of the premises and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties hereby agree as follows. 1. Amendment of the Intercreditor Agreement. As of the date hereof, the Intercreditor Agreement shall be amended as follows: (a) Section 1 is hereby amended by inserting the following immediately after the phrase "paid in full" contained in clause (iv)(y) of the definition of "Trigger Event" set forth in such Section 1: "or (z) the Salton Sea Guarantee at a time when the Salton Sea Project Note shall have been paid in full," 2 (b) Section 18 is hereby amended by adding the following names above the notice address for Partnership Guarantors: "BN Geothermal Inc. Vulcan/BN Geothermal Power Company San Felipe Energy Company Leathers, L.P. Conejo Energy Company Del Ranch, L.P. Niguel Energy Company Elmore, L.P." (c) Schedule 8(a) to the Intercreditor Agreement is hereby amended (i) by adding the words "and amended as of June 20, 1996, and as further amended or otherwise modified from time to time," after the words "dated as of July __, 1995" (which date shall be completed to read "July 21, 1995") in the first sentence thereof, and (ii) by adding the words "and supplemented by the First Supplemental Indenture dated as of October 18, 1995, and by the Supplemental Indenture dated as of June 20, 1996, and as otherwise amended, supplemented or otherwise modified from time to time" after the words "dated as of July __, 1995" (which date shall be completed to read "July 21, 1995") in the second sentence thereof. (d) Schedule 9a to the Intercreditor Agreement is hereby amended by adding the words "and amended as of June 20, 1996, and as further amended or modified from time to time," after the words "dated as of July __, 1995" (which date shall be completed to read "July 21, 1995") in the first paragraph thereof. (e) Schedule 14a to the Intercreditor Agreement is hereby amended by adding the words "and amended as of June 20, 1996, and as further amended or modified from time to time," after the words "dated as of July __, 1995" (which date shall be completed to read "July 21, 1995") in the first paragraph thereof. (f) The Certificate of Salton Sea Funding Corporation, appearing directly after Schedule 14a to the 3 Intercreditor Agreement, is hereby amended by adding the words ", and supplemented by the First Supplemental Indenture dated as of October 18, 1995, and by the Second Supplemental Indenture dated as of June 20, 1996, and as further amended or modified from time to time," after the words "July , 1995" (which date shall be completed to read "July 21, 1995") in such certificate. 2. Additional Partnership Guarantors. In accordance with the terms of the Supplemental Indenture, from and after the date hereof each of BN Geothermal Inc., Vulcan/BN Geothermal Power Company, San Felipe Energy Company, Leathers, L.P., Conejo Energy Company, Del Ranch, L.P., Niguel Energy Company and Elmore, L.P. (the "New Guarantors") shall be "Partnership Guarantors" under the Intercreditor Agreement, as amended hereby (as so amended, the "Amended Intercreditor Agreement"). Each New Guarantor hereby acknowledges and agrees to the terms of the Amended Intercreditor Agreement and consents to the exercise of remedies by the Collateral Agent contained therein. 3. Intercreditor Agreement. Except as specifically amended hereby, the Intercreditor Agreement shall continue in full force and effect in accordance with the provisions thereof as in existence on the date hereof. All references to "this Intercreditor Agreement" in the Intercreditor Agreement shall be deemed to refer to the Amended Intercreditor Agreement. 4. Governing Law. THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO PRINCIPLES THEREOF RELATING TO CONFLICTS OF LAW EXCEPT SECTION 5-1401 OF THE NEW YORK GENERAL OBLIGATIONS LAW. 5. Counterparts. This Amendment may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed and delivered shall be deemed an original, but all such counterparts together shall constitute but one and the same instrument. 4 IN WITNESS WHEREOF, the undersigned have caused this Amendment to be duly executed by their duly authorized officers, all as of the date first written above. SALTON SEA FUNDING CORPORATION By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President SALTON SEA POWER GENERATION L.P. By: SALTON SEA POWER COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President SALTON SEA BRINE PROCESSING L.P. By: SALTON SEA POWER COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President FISH LAKE POWER COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President 5 VULCAN POWER COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President CALENERGY OPERATING COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President BN GEOTHERMAL INC. By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President VULCAN/BN GEOTHERMAL POWER COMPANY By: VULCAN POWER COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President SAN FELIPE ENERGY COMPANY, By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President 6 LEATHERS, L.P. By: CALENERGY OPERATING COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President CONEJO ENERGY COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President DEL RANCH, L.P. By: CALENERGY OPERATING COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President NIGUEL ENERGY COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President 7 ELMORE, L.P. By: CALENERGY OPERATING COMPANY, as its general partner By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President SALTON SEA ROYALTY COMPANY By: /s/ John G. Sylvia ------------------------------- Name: John G. Sylvia Title: Senior Vice President CREDIT SUISSE, as the Debt Service Reserve LOC Provider By: /s/ Henry Park ------------------------------- Name: Henry Park Title: Associate By: /s/ Suzanne Leon ------------------------------- Name: Suzanne Leon Title: Associate CREDIT SUISSE, as the Working Capital Agent By: /s/ Henry Park ------------------------------- Name: Henry Park Title: Associate By: /s/ Suzanne Leon ------------------------------- Name: Suzanne Leon Title: Associate 8 CHEMICAL TRUST COMPANY OF CALIFORNIA as the Trustee By: /s/ Rose Maravilla ------------------------------- Name: Rose Maravilla Title: Assistant Vice President CHEMICAL TRUST COMPANY OF CALIFORNIA as the Collateral Agent By: /s/ Rose Maravilla ------------------------------- Name: Rose Maravilla Title: Assistant Vice President CHEMICAL TRUST COMPANY OF CALIFORNIA as the Depositary Agent By: /s/ Rose Maravilla ------------------------------- Name: Rose Maravilla Title: Assistant Vice President 9