EXHIBIT 4.3(b) CINEMARK USA, INC. and THE BANK OF NEW YORK, successor to NATIONSBANK OF TEXAS, N.A., Trustee -------------------- First Supplemental Indenture Dated as of August 9, 1996 to Indenture Dated as of June 10, 1992 -------------------- $125,000,000 12% Senior Notes due June 1, 2002 FIRST SUPPLEMENTAL INDENTURE THIS FIRST SUPPLEMENTAL INDENTURE (this "Supplemental Indenture"), dated as of August 9, 1996, is between Cinemark USA, Inc., a Texas corporation (the "Company"), and The Bank of New York, successor to NationsBank of Texas, N.A., as trustee (the "Trustee"). All capitalized terms contained but not defined herein shall have the respective meanings assigned to them in the Indenture (as defined below), as such Indenture is amended by this Supplemental Indenture. RECITALS A. The Company and the Trustee executed an indenture, dated as of June 10, 1992 (the "Indenture"), relating to the Company's $125 million principal amount 12% Senior Notes due June 1, 2002 (the "Securities"). B. Section 9.02 of the Indenture provides that the Company and the Trustee may amend the Indenture with the written consent of the Holders of at least a majority of the aggregate principal amount of the Securities at the time outstanding. C. The Company desires to amend certain provisions of the Indenture, as set forth in Article One hereof. D. The Company has received and accepted written consents of Holders to the amendments set forth in this Supplemental Indenture (the "Consents"), which Consents have not been subsequently revoked, from the Holders of at least a majority of the aggregate principal amount of the Securities outstanding. E. All conditions precedent provided for in the Indenture relating to this Supplemental Indenture have been complied with. NOW, THEREFORE, THIS SUPPLEMENTAL INDENTURE WITNESSETH, for and in consideration of the above premises and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Company and the Trustee mutually covenant and agree for the equal and proportionate benefit of all Holders of the Securities as follows: ARTICLE ONE Amendment of Indenture Section 1.01 Waiver of Indenture Provisions. The application of the provisions of Sections 4.06 through and including 4.23 of the Indenture are hereby waived to the extent that such provisions might otherwise interfere with the ability of the Company to enter into agreements contemplated by, and to consummate, the repurchase offer and the consent solicitation for 1 Securities (the "Repurchase Offer"), as set forth in the Company's Offer to Purchase and Consent Solicitation and the accompanying Consent and Letter of Transmittal, each dated July 15, 1996, and any amendments, modifications or supplements thereto (the "Offer to Purchase"). Section 1.02 Amendment of Indenture Provisions. Effective upon the date of the Company's deposit with The Bank of New York, as depositary for the Repurchase Offer, of an amount of money sufficient to repurchase all Securities validly tendered and accepted pursuant to the Offer to Purchase: (i) Section 1.01 of Article 1 of the Indenture is hereby amended by deleting the following definitions in their entirety: "Acquired Indebtedness" "Asset Disposition" "Capitalized Lease Obligations" "Change of Control" "Consolidated EBITDA" "Consolidated Interest Expense" "Consolidated Net Income" "Consolidated Net Worth" "EBITDA Ratio" "Independent Director" "Interest Rate Protection Agreement" "Investment" "Net Proceeds" "Offer" "Offer Purchase Date" "Permitted Investment" "Purchase Money Obligation" "Restricted Subsidiary" "Subsidiary" "Trade Payables" "Unrestricted Subsidiary" "Weighted Average Life" "Wholly Owned Subsidiary" (ii) Sections 4.06, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13, 4.14, 4.15, 4.16, 4.17, 4.18, 4.19, 4.20, 4.21, 4.22, 4.23, and 5.01 are hereby amended by deleting all such sections and all references thereto in their entirety. (iii) Section 4.03 of Article 4 of the Indenture is hereby amended and restated in 2 its entirety to read as follows: "Section 4.03 Compliance Certificates. (a) The Company shall deliver to the Trustee within 60 calendar days after the end of each of the Company's fiscal quarters (90 calendar days after the end of the Company's last fiscal quarter of each year) an Officer's Certificate executed by Officers of the Company stating whether or not the signers know of any Default or Event of Default which occurred during such fiscal quarter. In the case of the Officer's Certificate delivered within 90 calendar days after the end of the Company's fiscal year, such certificate shall contain a certification from the principal executive officer, principal financial officer or principal accounting officer of the Company stating (i) that a review of the activities of the Company has been made with a view to determining whether its obligations under the Indenture have been complied with and (ii) whether such officer has obtained knowledge of any Default under the Indenture during the 12-month period ended on the date of the financial statements. If they do know of such a Default or Event of Default, the certificate shall describe any such Default or Event of Default, and its status including its duration. The first certificate to be delivered pursuant to this Section 4.03(a) shall be for the first fiscal quarter beginning after the execution of this Indenture. (b) The Company shall deliver to the Trustee as soon as possible and in any event within 10 calendar days after the Company, as the case may be, becomes aware of the occurrence of each Default or Event of Default that is continuing, an Officer's Certificate setting forth the details of such Default or Event of Default, and the action that the Company proposes to take with respect thereto." (iv) Section 6.01 of Article 6 of the Indenture is hereby amended and restated in its entirety to read as follows: "Section 6.01 Events of Default. (a) An "Event of Default" occurs if one of the following shall have occurred and be continuing: (i) the Company defaults in the payment of (A) the principal of (or premium, if any, on) any Securities when the same becomes due and payable at maturity, by acceleration or otherwise, (B) any Sinking Fund Payment on the required payment date thereof, or (C) the Redemption Price on any Redemption Date; (ii) the Company defaults in the payment of interest on any 3 Security when the same becomes due and payable, which default continues for a period of 30 calendar days; (iii) the Company or any Subsidiary of the Company fails to comply with any of its covenants or agreements in the Securities, this Indenture (other than those referred to in clauses (i) and (ii) above) or the Pledge Agreement, and such failure continues for 30 calendar days after receipt by the Company of a Notice of Default; (iv) (A) the Securities, or any material provision of this Indenture or the Pledge Agreement, ceases to be valid or binding on the Company, (B) the Pledge Agreement for any reason after the Initial Issuance Date ceases to create a valid Lien on any of the Pledged Stock purported to be covered thereby in which the Trustee has a security interest for the benefit of the Trustee and the Holders, or any such Lien ceases to be a perfected first priority Lien, or (C) the Company or any of its Subsidiaries initiates any suit or proceeding challenging the legality, validity or enforceability of any of the foregoing or the attachment, perfection or priority of any Liens granted to secure payment and performance of the Securities; (b) A Default under clause (iii) of Section 6.01(a) is not an Event of Default until the Trustee notifies the Company, or the Holders of at least 25% in aggregate principal amount of the Securities at the time outstanding notify the Company and the Trustee, of the Default and the Company does not cure such Default within the time specified in clause (iii) of Section 6.01(a) after receipt of such notice. Any such notice must specify the Default, demand that it be remedied and state that such notice is a "Notice of Default". (c) Subject to the provisions of Sections 7.01 and 7.02, the Trustee shall not be charged with knowledge of a Default or an Event of Default under this Indenture unless and until written notice thereof has been given to the Trustee by the Company." 4 ARTICLE TWO Miscellaneous Provisions Section 2.1 Counterparts. This Supplemental Indenture may be executed in counterparts, each of which when so executed shall be deemed to be an original, but all such counterparts shall together constitute one and the same instrument. Section 2.2 Severability. In the event that any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. Section 2.3 Headings. The article and section headings herein are for convenience only and shall not affect the construction hereof. Section 2.4 Successors and Assigns. All the covenants, stipulations, promises and agreements in this Supplemental Indenture by or on behalf of the Company or the Trustee shall bind its respective successors and assigns, whether so expressed or not. Section 2.5 Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, AS APPLIED TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAWS. Section 2.6 Effect of Supplemental Indenture. Except as amended by this Supplemental Indenture, the terms and provisions of the Indenture shall remain in full force and effect, and the Indenture as amended and supplemented by this Supplemental Indenture is in all respects confirmed and preserved. Section 2.7 Trustee. The Trustee accepts the modifications of trusts referenced in the Indenture and effected by this Supplemental Indenture. Without limiting the generality of the foregoing, the Trustee assumes no responsibility for the correctness of the recitals herein contained, which shall be taken as the statements of the Company, and the Trustee shall not be responsible or accountable in any way whatsoever for or with respect to the validity or execution or sufficiency of this Supplemental Indenture, and the Trustee makes no representation with respect thereto. [The remainder of this page is intentionally left blank.] 5 IN WITNESS WHEREOF, the undersigned, being duly authorized, have executed this Supplemental Indenture on behalf of the respective parties hereto as of the date first above written. Attest: CINEMARK USA, INC. By: Name: Name: Title: Title: Attest: THE BANK OF NEW YORK, successor to NationsBank of Texas, N.A., as Trustee By: Name: Name: Title: Title: 6