THIRD AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT THIS THIRD AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT, dated as of May 9, 2002 (herein called this "Amendment"), is entered into by and among CALPINE CORPORATION, a Delaware corporation (herein called the "Company"), the various financial institutions listed on the signature page hereof (the "Lenders") and THE BANK OF NOVA SCOTIA, as administrative agent for the Lenders (herein, in such capacity, called the "Agent"). W I T N E S S E T H: - - - - - - - - - - WHEREAS, the Company, the Lenders and the Agent have heretofore entered into a certain Second Amended and Restated Credit Agreement, dated as of May 23, 2000, as amended by that certain First Amendment and Waiver to Second Amended and Restated Credit Agreement, dated as of April 19, 2001 and that certain Second Amendment to Second Amended and Restated Credit Agreement, dated as of March 8, 2002 (herein called the "Credit Agreement"); and WHEREAS, the Company, the Lenders and the Agent now desire to amend the Credit Agreement in certain respects, as hereinafter provided, WHEREAS, the Company has requested that the Lenders waive certain provisions of the Loan Documents, and subject to the terms and provisions hereinafter set forth, the Lenders have agreed to do so; NOW, THEREFORE, in consideration of the premises and the mutual agreements herein contained, the Company, the Lenders and the Agent hereby agree as follows: SECTION 1. The Credit Agreement is hereby amended as follows: (a) Clause (a) of Section 8.2.2 of the Credit Agreement is hereby amended by adding the following clause immediately prior to the end thereof: "and any Indebtedness evidenced by promissory notes pledged pursuant to the Note Pledge Agreement (as such term is defined in the 2002 Credit Agreement)." (b) Clause (a) of Section 8.2.3 of the Credit Agreement is hereby amended by adding the following proviso immediately prior to the end thereof: "; provided, however, that all proceeds from any Incremental Dedicated Assets (as such term is defined in the 2002 Credit Agreement) shall be applied as more particularly set forth in the 2002 Credit Agreement." SECTION 2. The effectiveness of this Amendment is conditioned upon receipt by the Agent of all the following documents, each in form and substance satisfactory to the Agent: (i) This Amendment duly executed by the Company, Required Lenders and Calpine Gilroy; and (ii) Such other documents as the Agent shall have reasonably requested. SECTION 3. This Amendment shall be deemed to be an amendment to the Credit Agreement, and the Credit Agreement, as amended hereby, is hereby ratified, approved and confirmed in each and every respect. All references to the Credit Agreement in any other document, instrument, agreement or writing shall hereafter be deemed to refer to the Credit Agreement as amended hereby. SECTION 4. THIS AMENDMENT SHALL BE A CONTRACT MADE UNDER AND GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF NEW YORK. All obligations of the Company and rights of the Lenders and the Agent expressed herein shall be in addition to and not in limitation of those provided by applicable law. Whenever possible each provision of this Amendment shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Amendment shall be prohibited by or invalid under applicable law, such provision shall be ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this Amendment. SECTION 5. This Amendment may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument, and any party hereto may execute this Amendment by signing one or more counterparts. SECTION 6. This Amendment shall be binding upon the Company, the Lenders and the Agent and their respective successors and assigns, and shall inure to the benefit of the Company, the Lenders and the Agent and the successors and assigns of the Lenders and the Agent. SECTION 7. THE COMPANY HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVES ANY RIGHT TO A TRIAL BY JURY IN ANY ACTION OR PROCEEDING TO ENFORCE OR DEFEND ANY RIGHTS UNDER THIS AMENDMENT OR UNDER ANY AMENDMENT, INSTRUMENT, DOCUMENT OR AGREEMENT DELIVERED OR WHICH MAY IN THE FUTURE BE DELIVERED IN CONNECTION HEREWITH OR ARISING FROM ANY BANKING RELATIONSHIP EXISTING IN CONNECTION WITH THIS AMENDMENT, AND AGREES THAT ANY SUCH ACTION OR PROCEEDING SHALL BE TRIED BEFORE A COURT AND NOT BEFORE A JURY. IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by their respective officers thereunto duly authorized as of the day and year first above written. CALPINE CORPORATION By:____________________________________ Name:__________________________________ Title:_________________________________ THE BANK OF NOVA SCOTIA, as Agent and Lender By:____________________________________ Name:__________________________________ Title:_________________________________ BAYERISCHE LANDESBANK GIROZENTRALE By:____________________________________ Name:__________________________________ Title:_________________________________ By:____________________________________ Name:__________________________________ Title:_________________________________ CIBC INC. By:____________________________________ Name:__________________________________ Title:_________________________________ CREDIT SUISSE FIRST BOSTON, NEW YORK BRANCH By:____________________________________ Name:__________________________________ Title:_________________________________ By:____________________________________ Name:__________________________________ Title:_________________________________ BAYERISCHE HYPO-UND VEREINSBANK AG By:____________________________________ Name:__________________________________ Title:_________________________________ By:____________________________________ Name:__________________________________ Title:_________________________________ ING (U.S.) CAPITAL LLC By:____________________________________ Name:__________________________________ Title:_________________________________ By:____________________________________ Name:__________________________________ Title:_________________________________ TORONTO DOMINION (TEXAS) INC. By:____________________________________ Name:__________________________________ Title:_________________________________ UNION BANK OF CALIFORNIA, N.A. By:____________________________________ Name:__________________________________ Title:_________________________________ BANK OF AMERICA, N.A. By:____________________________________ Name:__________________________________ Title:_________________________________ CREDIT LYONNAIS NEW YORK BRANCH By:____________________________________ Name:__________________________________ Title:_________________________________ DRESDNER BANK AG, NEW YORK AND GRAND CAYMAN BRANCHES By:____________________________________ Name:__________________________________ Title:_________________________________ By:____________________________________ Name:__________________________________ Title:_________________________________ FLEET NATIONAL BANK By:____________________________________ Name:__________________________________ Title:_________________________________ FORTIS CAPITAL CORP. By:____________________________________ Name:__________________________________ Title:_________________________________ The undersigned has reviewed and approved the Amendment and confirms that its obligations under the Assignment Agreement remain in full force and effect. CALPINE GILROY COGEN, L.P., a Delaware limited partnership By: Calpine Gilroy 1, Inc., a Delaware corporation, its general partner By:________________________________ Title: Address: 50 W. San Fernando St. San Jose, CA 95113 Attention: Vice President - Finance Telecopier: 408-995-0505