GEM INDIVIDUALS' NOTES ESCROW AGREEMENT AND ESCROW INSTRUCTIONS This GEM INDIVIDUALS' NOTES ESCROW AGREEMENT AND ESCROW INSTRUCTIONS (this "Agreement") is made as of September 27, 1996, by and between AMERISTAR CASINOS, INC., a Nevada corporation ("Ameristar"), STEVEN W. REBEIL, an individual and in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ("Rebeil"), and DOMINIC J. MAGLIARDITI, an individual ("Magliarditi"). RECITALS A. Ameristar, Gem Gaming, Inc., a Nevada corporation ("Gem"), Ameristar Casino Las, Vegas, Inc., a Nevada corporation ("ACLV"), Rebeil and Magliarditi have entered into that certain Merger Agreement dated as of May 31, 1996, as amended by that certain First Amendment to Merger Agreement dated July 2, 1996, as further amended by that certain Second Amendment to Merger Agreement dated as of September 27, 1996 (the "Merger Agreement"), whereby Gem has agreed to merge into and with ACLV on the terms and conditions and for the consideration set forth therein. B. The Merger Agreement contemplates that the parties will enter into this Agreement to provide for the irrevocable procedures and mechanics by which the Gem Individuals' Notes specified in the Merger Agreement will be held and, if applicable, completed and delivered to Rebeil and Magliarditi. C. All capitalized terms used herein without definition shall have the meaning assigned thereto in the Merger Agreement. AGREEMENT NOW, THEREFORE, in consideration of the foregoing premises and the covenants set forth herein and in the Agreement and other good and valuable consideration, the parties agree as follows: ARTICLE 1 - Deliveries to Escrow Agent 1.1 At the Closing, Ameristar shall deliver to First Security Bank of Nevada (Attn: David Smith, President), as escrow agent (the "Escrow Agent"), each of the following: (a) a promissory note in the form attached hereto as Schedule 1, which shall continue to have blanks for the "date of this note" and the "principal amount" (the "Rebeil Note"); (b) a promissory note in the form attached hereto as Schedule 2, which shall have the "principal amount" filled in with an amount equal to the product of 7,270,408 shares multiplied by the Average 10-Day Closing Price as of the Closing Date but which shall continue to have a blank for the "Settlement Date" (the "Alternative Rebeil Note"); (c) a promissory note in the form attached hereto as Schedule 3, which shall continue to have a blank for the "date of this note" and the "principal amount" (the "Magliarditi Note"); and (d) a promissory note in the form attached hereto as Schedule 4, which shall have the "principal amount" filled in with an amount equal to the product of 229,592 shares multiplied by the Average 10-Day Closing Price as of the Closing Date but which shall continue to have a blank for the "Settlement Date") (the "Alternative Magliarditi Note"). Escrow Agent shall handle the Rebeil Note, the Alternative Rebeil Note, the Magliarditi Note and the Alternative Magliarditi Note strictly and exclusively in accordance with the terms and provisions of this Agreement at all times. Escrow Agent shall not ever act in any way or manner contrary to this Agreement unless instructed to do so in a writing duly signed by Ameristar, Rebeil and Magliarditi. ARTICLE 2 - Disposition of Rebeil Note and Magliarditi Note 2.1 Cancellation of Rebeil Note and Magliarditi Note Following Sale of All Post-Merger Offering Stock. Upon receiving a Note Cancellation Notice in the form of Schedule 5 attached hereto, duly executed by an officer of Ameristar, Rebeil and Magliarditi, Escrow Agent shall mark the Magliarditi Note, the Alternative Magliarditi Note, the Rebeil Note and the Alternative Rebeil Note "CANCELLED" and deliver all such documents to Ameristar as specified in the Note Cancellation Notice. 2.2 Completion and Delivery of Rebeil Note and Magliarditi Note Following Sale of Less than all Post-Merger Offering Stock. (a) Rebeil. Upon receiving a Rebeil Note Completion Notice in the form of Schedule 6 attached hereto, duly executed by an officer of Ameristar and Rebeil (or executed by Rebeil alone, if Rebeil and Escrow Agent have not received from Ameristar its proposed notice in the form of Schedule 6 attached hereto within three (3) Business Days following the Settlement Date that the Escrow Agent is advised of by the Underwriter), Escrow Agent shall (i) complete the "Principal Amount" of the Rebeil Note so that such amount equals the amount set forth as the "PRINCIPAL AMOUNT OF REBEIL NOTE" set forth in paragraph 4 of the Rebeil Note Completion Notice, (ii) date the Rebeil Note as of the Settlement Date identified in the Rebeil Note Completion Notice, (iii) deliver the Rebeil Note to Rebeil as specified in the Rebeil Note Completion Notice and (iv) mark the Alternative Rebeil Note as "CANCELLED" and return the Alternative Rebeil Note to Ameristar. (b) Magliarditi. Upon receiving a Magliarditi Note Completion Notice in the form of Schedule 7 attached hereto, duly executed by an officer of Ameristar and Magliarditi (or executed by Magliarditi alone, if Magliarditi and Escrow Agent have not received from Ameristar its proposed notice in the form of Schedule 7 attached hereto within three (3) Business Days following the Settlement Date that the Escrow Agent is advised of by the Underwriter), Escrow Agent shall (i) complete the "Principal Amount" of the Magliarditi Note so that such amount equals the amount set forth as the "PRINCIPAL AMOUNT OF MAGLIARDITI NOTE" set forth in paragraph 4 of the Magliarditi Note Completion Notice, (ii) date the Magliarditi Note as of the Settlement Date identified in the Magliarditi Note Completion Notice, (iii) deliver the Magliarditi Note to Magliarditi as specified in the Magliarditi Note Completion Notice and (iv) mark the Alternative Magliarditi Note as "CANCELLED" and return the Alternative Magliarditi Note to Ameristar. 2.3 Completion and Delivery of Rebeil Note and Magliarditi Note Following Going Private Event. Upon receiving a Going Private Notice in the form of Schedule 8 attached hereto, duly executed by an officer of Ameristar, Rebeil and Magliarditi, the Escrow Agent shall (i) complete the "Principal Amount" of the Rebeil Note so that such amount equals Sixty One Million Five Hundred Thirty One Thousand Five Hundred Dollars ($61,531,500), (ii) complete the "Principal Amount" of the Magliarditi Note so that such amount equals the amount of One Million Nine Hundred Sixty Eight Thousand Five Hundred Dollars ($1,968,500), (iii) date the Rebeil Note and the Magliarditi Note as of the date identified on the Going Private Notice as the Settlement Date, (iv) complete the "maturity date" of the Rebeil Note and the Magliarditi Note to be the date that is six (6) months after the Settlement Date, (v) deliver the Rebeil Note to Rebeil and the Magliarditi Note to Magliarditi as specified in the Going Private Notice, and (vi) mark the Alternative Rebeil Note and the Alternative Magliarditi Note as "CANCELLED" and return such notes to Ameristar. 2.4 Escrow Termination. In the event that Escrow Agent has not received a Rebeil Note Completion Notice, a Magliarditi Note Completion Notice, a Going Private Notice or a Note Cancellation Notice within twelve (12) months of the date hereof, then Escrow Agent shall deliver the Rebeil Note, the Alternative Rebeil Note, the Magliarditi Note and the Alternative Magliarditi Note to Ameristar and shall terminate the escrow established by this Agreement. ARTICLE 3 - Fees and Costs 3.1 Ameristar shall pay Escrow Agent's escrow fee or escrow termination charge. ARTICLE 4 - Notices 4.1 All notices, requests, demands and other communications which are required or may be given under this Agreement shall be in writing and shall be deemed to have been duly given when received if personally delivered; when transmitted if transmitted by telecopy, electronic or digital transmission method; the day after it is sent, if sent for next day delivery to a domestic address by recognized overnight delivery service (e.g., Federal Express); and upon receipt, if sent by certified or registered mail, return receipt requested. In each case notice shall be sent to: If to Escrow Agent: First Security Bank of Nevada Attn: David Smith If to Rebeil: Steven W. Rebeil 93 Spanish Gate Drive Las Vegas, Nevada 89113 If to Magliarditi: Dominic J. Magliarditi 735 Helmhill Avenue Las Vegas, Nevada 89123 If to Ameristar: Ameristar Casinos, Inc. 777 West Lake Mead Drive P.O. Box 92200 Las Vegas, Nevada 89009 Attention: Brian E. Katz, Esq. With a copy to: Latham & Watkins 701 B Street, Suite 2100 San Diego, California 92101 Attention: Bruce P. Shepherd, Esq. ARTICLE 5 - Extent of Escrow Agent's Responsibilities 5.1 Escrow Agent shall not be liable for any of its acts or omissions unless the same shall constitute negligence or willful misconduct. 5.2 Escrow Agent shall have no obligation to inform any party of any other transaction or of facts within Escrow Agent's knowledge, provided such matters do not prevent Escrow Agent's compliance with this Agreement. 5.3 Escrow Agent shall not be responsible for (i) the sufficiency or correctness as to form or the validity of any document deposited with Escrow Agent, (ii) the manner of execution of any such deposited document, unless such execution occurs in Escrow Agent's premises and under its supervision, or (iii) the identity, authority or rights of any person executing any document deposited with Escrow Agent. 5.4 If Escrow Agent receives or becomes aware of conflicting demands or claims with respect to the escrow, the rights of any party hereto, or funds, documents or other items deposited with Escrow Agent, Escrow Agent shall have the right to discontinue any further acts until such conflict is resolved to its satisfaction, and it shall have the further right to commence or defend any action for the determination of such conflict. The parties shall, immediately after demand therefor by Escrow Agent, reimburse Escrow Agent (in such respective proportions as Escrow Agent shall determine) any reasonable attorneys' fees and court costs incurred by Escrow Agent pursuant to this Section. Notwithstanding any provisions of this Agreement to the contrary, Escrow Agent shall at all times be obligated to perform in accordance with Article 2 hereof unless instructed otherwise in a writing duly signed by Ameristar, Rebeil and Magliarditi. 5.5 In the event that pursuant to Article 2 hereof Escrow Agent receives multiple notices duly signed by the appropriate parties thereto, and such notices call for the Escrow Agent to take inconsistent actions, Escrow Agent shall have the right to rely upon, and implement the actions called for by, the first such notice so received by Escrow Agent, and to disregard the subsequent notices. ARTICLE 6 - General Provisions 6.1 Captions in this Agreement are inserted for convenience of reference only and do not define, describe or limit the scope or the intent of this Agreement or any of the terms hereof. 6.2 All exhibits referred to herein and attached hereto are incorporated herein by reference. 6.3 No modification, waiver, amendment, discharge or change of this Agreement shall be valid unless the same is in writing and signed by the party against whom the enforcement of such modification, waiver, amendment, discharge or change is or may be sought. 6.4 In the event that any party commences litigation for the judicial interpretation, enforcement, termination, cancellation or rescission hereof, or for damages for the breach hereof, the prevailing party or parties shall be entitled to reasonable attorneys' fees and court and other costs incurred. 6.5 This Agreement shall be construed and enforced in accordance with the laws of the State of Nevada. 6.6 Time is of the essence to this Agreement. 6.7 In the event that any term, covenant, condition, provision or agreement herein contained is held to be invalid, void or otherwise unenforceable by any court of competent jurisdiction, the fact that such term, covenant, condition, provision or agreement is invalid, void or otherwise unenforceable shall in no way affect the validity or enforceability of any other term, covenant, condition, provision or agreement herein contained. 6.8 All terms of this Agreement shall be binding upon, inure to the benefit of and be enforceable by, the parties hereto and their respective legal representatives, successors and assigns. Neither party may assign its rights under this Agreement without the written consent of the other party to this Agreement except in connection with an assignment permitted by Section 12.2 of the Merger Agreement. 6.9 This Agreement may be executed in one or more counterparts, and by different parties hereto in separate counterparts, each of which when executed shall be deemed to be an original, including counterparts transmitted by facsimile, but all of which taken together shall constitute one and the same agreement. IN WITNESS WHEREOF, this Agreement has been executed by the parties, as of the date first set forth above. AMERISTAR: AMERISTAR CASINOS, INC., a Nevada corporation By:/s/ Craig H. Neilsen Name: Craig H. Neilsen Its: President On this 2nd day of October, 1996, Craig H. Neilsen directed Thomas M. Steinbauer, in his presence as well as our own, to sign the foregoing document as "Craig H. Neilsen." Upon viewing the signature as signed by Thomas M. Steinbauer, and in our presence, Craig H. Neilsen declared to us that he adopted it as his own signature. /s/ Peter Liguori Witness /s/ Christine L. Hinton Witness State of Nevada ) ) ss. County of Clark ) I, Catherine Zeljeznjak, Notary Public in and for said county and state, do hereby certify that Craig H. Neilsen personally appeared before me and is known or identified to me to be the President of Ameristar Casinos, Inc., the corporation that executed the within instrument or the person who executed the instrument on behalf of said corporation. Craig H. Neilsen, who being unable due to physical incapacity to sign his name or offer his mark, did direct Thomas M. Steinbauer, in his presence, as well as my own, to sign his name to the foregoing document. Craig H. Neilsen, after viewing his name as signed by Thomas M. Steinbauer, thereupon adopted it as his own by acknowledging to me his intention to so adopt as if he had personally executed the same in behalf of said corporation, and further acknowledged to me that such corporation executed the same. IN WITNESS WHEREOF, I have hereunto set my hand and official seal this 22nd day of October, 1996. /s/ Catherine Zeljeznjak Notary Public My Commission Expires on: 6/24/99 STEVEN W. REBEIL, an individual /s/ Steven W. Rebeil STEVEN W. REBEIL, in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended /s/ Steven W. Rebeil DOMINIC J. MAGLIARDITI, an individual /s/ Dominic J. Magliarditi CONSENT OF SPOUSE OF STEVEN W. REBEIL The undersigned hereby confirms (i) that she has read, approved of and agreed with the terms of this Agreement and all transactions contemplated hereby, (ii) that as the spouse of one of the signatories hereto, her property (including her interests in any community property) may be held liable for the obligations of her spouse under this Agreement and all transactions and other agreements contemplated hereby, (iii) that she will be bound by this Agreement and all other agreements contemplated hereby as if she were a party thereto, and that any agreements, acknowledgments, representations or warranties made by her spouse under this Agreement or any other agreements contemplated hereby shall apply equally to the undersigned as if made by the undersigned, (iv) that she approves all actions taken to date by her spouse in connection with this Agreement and all transactions and other agreements contemplated hereby, and that she has authorized and empowered her spouse to take any and all further actions which he deems necessary or appropriate in order to effect the transactions contemplated thereby, and (v) that Ameristar may rely upon the confirmations set forth in this Consent of Spouse in entering into and proceeding with this Agreement. Date: October 3, 1996 /s/ Jilly Rebeil CONSENT OF SPOUSE OF DOMINIC J. MAGLIARDITI The undersigned hereby confirms (i) that she has read, approved of and agreed with the terms of this Agreement and all transactions contemplated hereby, (ii) that as the spouse of one of the signatories hereto, her property (including her interests in any community property) may be held liable for the obligations of her spouse under this Agreement and all transactions and other agreements contemplated hereby, (iii) that she will be bound by this Agreement and all other agreements contemplated hereby as if she were a party thereto, and that any agreements, acknowledgments, representations or warranties made by her spouse under this Agreement or any other agreements contemplated hereby shall apply equally to the undersigned as if made by the undersigned, (iv) that she approves all actions taken to date by her spouse in connection with this Agreement and all transactions and other agreements contemplated hereby, and that she has authorized and empowered her spouse to take any and all further actions which he deems necessary or appropriate in order to effect the transactions contemplated thereby, and (v) that Ameristar may rely upon the confirmations set forth in this Consent of Spouse in entering into and proceeding with this Agreement. Date: October 1, 1996 /s/Francine R. Magliarditi CONSENT OF ESCROW AGENT The undersigned Escrow Agent hereby agrees to (i) accept the foregoing Agreement, (ii) be escrow agent under said Agreement as specified, and (iii) be bound by said Agreement in the performance of its duties as escrow agent; provided, however, that the undersigned shall have no obligations, liability or responsibility under (A) this Agreement or otherwise, unless and until said Agreement, fully signed by the parties, has been delivered to the undersigned, or (B) any amendment to said Agreement unless and until the same shall be accepted by the undersigned in writing. Dated: October 3, 1996 ESCROW AGENT: By: /s/ Mark Dreschler Name: Mark Dreschler Title: President Schedule 1 Form of Rebeil Note Principal Amount: $______________ Date of this Note: __________________ 1. Promise to Pay. For good and valuable consideration, AMERISTAR CASINOS, INC., a Nevada corporation ("Ameristar"), promises to pay to STEVEN W. REBEIL, trustee of the Karizma Trust ("Payee"), $______________ (the "Principal Amount") with interest at the rate of eight percent (8%) per annum (the "Interest Rate") from the Date of this Note set forth above (the "Settlement Date"), until paid, in accordance with the terms contained herein. Interest shall be computed on the basis of a 360-day year and the actual number of days elapsed. Should any interest not be paid when due, it shall thereafter accrue interest as principal. 2. Payment Schedule. Accrued interest shall be payable in arrears on the first day of each month following the Settlement Date. Ameristar shall pay the entire balance of principal and any accrued but unpaid interest on or before the date that is three (3) years after the Settlement Date (the "Maturity Date"). All payments shall be applied first to accrued interest and then to the principal balance. All payments shall be made at 93 Spanish Gate Drive, Las Vegas, Nevada 89113, or at such other place as Payee may from time to time designate. All payments shall be made in lawful money of the United States. The indebtedness under this Note may be prepaid in whole or in part at any time, without penalty or prepayment premium. 3. Miscellaneous Provisions. If Payee refers this Note to an attorney to enforce, construe or defend any provision hereof, with or without the filing of any legal action or proceeding, Ameristar shall pay to Payee upon demand the amount of all attorneys' fees, costs and other expenses incurred by Payee in connection therewith, together with interest thereon from the date of demand at the rate applicable to the principal balance of this Note. No provision of this Note may be amended, modified, supplemented, changed, waived, discharged or terminated unless Payee consents thereto in writing. In case any one or more of the provisions contained in this Note should be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby. Time is of the essence of this Note and the performance of each of the covenants and agreements contained herein. This Note shall be governed by and construed in accordance with the laws of the State of Nevada. IN WITNESS WHEREOF, Ameristar has executed this Note as of the Date of this Note. AMERISTAR CASINOS, INC., a Nevada corporation Name: Craig H. Neilsen Title: President On this _____ day of _____________________, 19____, Craig H. Neilsen directed ________________________________________, in his presence as well as our own, to sign the foregoing document as "Craig H. Neilsen." Upon viewing the signature as signed by ______________________________________, and in our presence, Craig H. Neilsen declared to us that he adopted it as his own signature. Witness Witness State of Nevada ) ) ss. County of Clark ) I, _________________________________, Notary Public in and for said county and state, do hereby certify that Craig H. Neilsen personally appeared before me and is known or identified to me to be the _________________________ of _________________________, the corporation that executed the within instrument or the person who executed the instrument on behalf of said corporation. Craig H. Neilsen, who being unable due to physical incapacity to sign his name or offer his mark, did direct ______________________________________, in his presence, as well as my own, to sign his name to the foregoing document. Craig H. Neilsen, after viewing his name as signed by ___________________________________________, thereupon adopted it as his own by acknowledging to me his intention to so adopt as if he had personally executed the same in behalf of said corporation, and further acknowledged to me that such corporation executed the same. IN WITNESS WHEREOF, I have hereunto set my hand and official seal this _____ day of ______________________, 19____. Notary Public My Commission Expires on: Schedule 2 Form of Rebeil Alternative Note Principal Amount: $______________ Date of this Note: October 3, 1996 1. Promise to Pay. For good and valuable consideration, AMERISTAR CASINOS, INC., a Nevada corporation ("Ameristar"), promises to pay to STEVEN W. REBEIL, trustee of the Karizma Trust ("Payee"), $______________ (the "Principal Amount") with interest at the rate of eight percent (8%) per annum (the "Interest Rate") from ____________________ (the "Settlement Date"), until paid, in accordance with the terms contained herein. Interest shall be computed on the basis of a 360-day year and the actual number of days elapsed. Should any interest not be paid when due, it shall thereafter accrue interest as principal. 2. Payment Schedule. Accrued interest shall be payable in arrears on the first day of each month following the Settlement Date. Ameristar shall pay the entire balance of principal and any accrued but unpaid interest on or before the date that is three (3) years after the Settlement Date (the "Maturity Date"). All payments shall be applied first to accrued interest and then to the principal balance. All payments shall be made at 93 Spanish Gate Drive, Las Vegas, Nevada 89113, or at such other place as Payee may from time to time designate. All payments shall be made in lawful money of the United States. The indebtedness under this Note may be prepaid in whole or in part at any time, without penalty or prepayment premium. 3. Miscellaneous Provisions. If Payee refers this Note to an attorney to enforce, construe or defend any provision hereof, with or without the filing of any legal action or proceeding, Ameristar shall pay to Payee upon demand the amount of all attorneys' fees, costs and other expenses incurred by Payee in connection therewith, together with interest thereon from the date of demand at the rate applicable to the principal balance of this Note. No provision of this Note may be amended, modified, supplemented, changed, waived, discharged or terminated unless Payee consents thereto in writing. In case any one or more of the provisions contained in this Note should be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby. Time is of the essence of this Note and the performance of each of the covenants and agreements contained herein. This Note shall be governed by and construed in accordance with the laws of the State of Nevada. IN WITNESS WHEREOF, Ameristar has executed this Note as of the Date of this Note. AMERISTAR CASINOS, INC., a Nevada corporation Name: Craig H. Neilsen Title: President On this _____ day of _____________________, 19____, Craig H. Neilsen directed ________________________________________, in his presence as well as our own, to sign the foregoing document as "Craig H. Neilsen." Upon viewing the signature as signed by ______________________________________, and in our presence, Craig H. Neilsen declared to us that he adopted it as his own signature. Witness Witness State of Nevada ) ) ss. County of Clark ) I, _________________________________, Notary Public in and for said county and state, do hereby certify that Craig H. Neilsen personally appeared before me and is known or identified to me to be the _________________________ of _________________________, the corporation that executed the within instrument or the person who executed the instrument on behalf of said corporation. Craig H. Neilsen, who being unable due to physical incapacity to sign his name or offer his mark, did direct ______________________________________, in his presence, as well as my own, to sign his name to the foregoing document. Craig H. Neilsen, after viewing his name as signed by ___________________________________________, thereupon adopted it as his own by acknowledging to me his intention to so adopt as if he had personally executed the same in behalf of said corporation, and further acknowledged to me that such corporation executed the same. IN WITNESS WHEREOF, I have hereunto set my hand and official seal this _____ day of ______________________, 19____. Notary Public My Commission Expires on: Schedule 3 Form of Magliarditi Note Principal Amount: $______________ Date of this Note: _______________________ 1. Promise to Pay. For good and valuable consideration, AMERISTAR CASINOS, INC., a Nevada corporation ("Ameristar"), promises to pay to DOMINIC J. MAGLIARDITI ("Payee"), $______________ (the "Principal Amount") with interest at the rate of eight percent (8%) per annum (the "Interest Rate") from the Date of this Note set forth above (the "Settlement Date"), until paid, in accordance with the terms contained herein. Interest shall be computed on the basis of a 360-day year and the actual number of days elapsed. Should any interest not be paid when due, it shall thereafter accrue interest as principal. 2. Payment Schedule. Accrued interest shall be payable in arrears on the first day of each month following the Settlement Date. Ameristar shall pay the entire balance of principal and any accrued but unpaid interest on or before the date that is three (3) years after the Settlement Date (the "Maturity Date"). All payments shall be applied first to accrued interest and then to the principal balance. All payments shall be made at 724 Helmhill Drive, Las Vegas, Nevada 89123, or at such other place as Payee may from time to time designate. All payments shall be made in lawful money of the United States. The indebtedness under this Note may be prepaid in whole or in part at any time, without penalty or prepayment premium. 3. Miscellaneous Provisions. If Payee refers this Note to an attorney to enforce, construe or defend any provision hereof, with or without the filing of any legal action or proceeding, Ameristar shall pay to Payee upon demand the amount of all attorneys' fees, costs and other expenses incurred by Payee in connection therewith, together with interest thereon from the date of demand at the rate applicable to the principal balance of this Note. No provision of this Note may be amended, modified, supplemented, changed, waived, discharged or terminated unless Payee consents thereto in writing. In case any one or more of the provisions contained in this Note should be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby. Time is of the essence of this Note and the performance of each of the covenants and agreements contained herein. This Note shall be governed by and construed in accordance with the laws of the State of Nevada. IN WITNESS WHEREOF, Ameristar has executed this Note as of the Date of this Note. AMERISTAR CASINOS, INC., a Nevada corporation Name: Craig H. Neilsen Title: President On this _____ day of _____________________, 19____, Craig H. Neilsen directed ________________________________________, in his presence as well as our own, to sign the foregoing document as "Craig H. Neilsen." Upon viewing the signature as signed by ______________________________________, and in our presence, Craig H. Neilsen declared to us that he adopted it as his own signature. Witness Witness State of Nevada ) ) ss. County of Clark ) I, _________________________________, Notary Public in and for said county and state, do hereby certify that Craig H. Neilsen personally appeared before me and is known or identified to me to be the _________________________ of _________________________, the corporation that executed the within instrument or the person who executed the instrument on behalf of said corporation. Craig H. Neilsen, who being unable due to physical incapacity to sign his name or offer his mark, did direct ______________________________________, in his presence, as well as my own, to sign his name to the foregoing document. Craig H. Neilsen, after viewing his name as signed by ___________________________________________, thereupon adopted it as his own by acknowledging to me his intention to so adopt as if he had personally executed the same in behalf of said corporation, and further acknowledged to me that such corporation executed the same. IN WITNESS WHEREOF, I have hereunto set my hand and official seal this _____ day of ______________________, 19____. Notary Public My Commission Expires on: Schedule 4 Form of Alternative Magliarditi Note Principal Amount: $______________ Date of this Note: October 3, 1996 1. Promise to Pay. For good and valuable consideration, AMERISTAR CASINOS, INC., a Nevada corporation ("Ameristar"), promises to pay to DOMINIC J. MAGLIARDITI ("Payee"), $______________ (the "Principal Amount") with interest at the rate of eight percent (8%) per annum (the "Interest Rate") from _______________________ (the "Settlement Date"), until paid, in accordance with the terms contained herein. Interest shall be computed on the basis of a 360-day year and the actual number of days elapsed. Should any interest not be paid when due, it shall thereafter accrue interest as principal. 2. Payment Schedule. Accrued interest shall be payable in arrears on the first day of each month following the Settlement Date. Ameristar shall pay the entire balance of principal and any accrued but unpaid interest on or before the date that is three (3) years after the Settlement Date (the "Maturity Date"). All payments shall be applied first to accrued interest and then to the principal balance. All payments shall be made at 735 Helmhill Drive, Las Vegas, Nevada 89123, or at such other place as Payee may from time to time designate. All payments shall be made in lawful money of the United States. The indebtedness under this Note may be prepaid in whole or in part at any time, without penalty or prepayment premium. 3. Miscellaneous Provisions. If Payee refers this Note to an attorney to enforce, construe or defend any provision hereof, with or without the filing of any legal action or proceeding, Ameristar shall pay to Payee upon demand the amount of all attorneys' fees, costs and other expenses incurred by Payee in connection therewith, together with interest thereon from the date of demand at the rate applicable to the principal balance of this Note. No provision of this Note may be amended, modified, supplemented, changed, waived, discharged or terminated unless Payee consents thereto in writing. In case any one or more of the provisions contained in this Note should be held to be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby. Time is of the essence of this Note and the performance of each of the covenants and agreements contained herein. This Note shall be governed by and construed in accordance with the laws of the State of Nevada. IN WITNESS WHEREOF, Ameristar has executed this Note as of the Date of this Note. AMERISTAR CASINOS, INC., a Nevada corporation Name: Craig H. Neilsen Title: President On this _____ day of _____________________, 19____, Craig H. Neilsen directed ________________________________________, in his presence as well as our own, to sign the foregoing document as "Craig H. Neilsen." Upon viewing the signature as signed by ______________________________________, and in our presence, Craig H. Neilsen declared to us that he adopted it as his own signature. Witness Witness State of Nevada ) ) ss. County of Clark ) I, _________________________________, Notary Public in and for said county and state, do hereby certify that Craig H. Neilsen personally appeared before me and is known or identified to me to be the _________________________ of _________________________, the corporation that executed the within instrument or the person who executed the instrument on behalf of said corporation. Craig H. Neilsen, who being unable due to physical incapacity to sign his name or offer his mark, did direct ______________________________________, in his presence, as well as my own, to sign his name to the foregoing document. Craig H. Neilsen, after viewing his name as signed by ___________________________________________, thereupon adopted it as his own by acknowledging to me his intention to so adopt as if he had personally executed the same in behalf of said corporation, and further acknowledged to me that such corporation executed the same. IN WITNESS WHEREOF, I have hereunto set my hand and official seal this _____ day of ______________________, 19____. Notary Public My Commission Expires on: Schedule 5 Form of Note Cancellation Notice I, _______________, acting in my capacity as the [insert title] of Ameristar Casinos, Inc., a Nevada corporation ("Ameristar"), hereby certify and represent and warrant as follows: 1. This certificate is made in connection with that certain Gem Individuals' Notes Escrow Agreement and Escrow Instructions (the "Escrow Agreement") dated as of September 27, 1996, by and between Ameristar, Steven W. Rebeil, an individual and in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ("Rebeil"), and Dominic J. Magliarditi, an individual ("Magliarditi"). Capitalized terms used herein without definition shall have the meanings set forth in the Escrow Agreement. Although this notice references the Merger Agreement and may further reference certain defined terms used therein, such references are solely for the benefit of the parties to the Escrow Agreement and Escrow Agent shall have no obligations or responsibilities with respect to the Merger Agreement. 2. Pursuant to Section 2.10(g)(iv) of the Merger Agreement and Section 2.1 of the Escrow Agreement, each of the Rebeil Note, the Alternative Rebeil Note, the Magliarditi Note and the Alternative Magliarditi Note are to be marked "CANCELLED" and delivered by Escrow Agent to Ameristar. Dated: By: APPROVED AND ACKNOWLEDGED: Steven W. Rebeil, an individual Steven W. Rebeil, in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended Dominic J. Magliarditi Schedule 6 Form of Rebeil Note Completion Notice I, , acting in my capacity as the [insert title] of Ameristar Casinos, Inc., a Nevada corporation ("Ameristar"), hereby certify and represent and warrant as follows: 1. This certificate is made in connection with that certain Gem Individual Notes Escrow Agreement and Escrow Instructions (the "Escrow Agreement") dated as of September 27, 1996, by and between Ameristar, Steven W. Rebeil, an individual and in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ("Rebeil"), and Dominic J. Magliarditi, an individual ("Magliarditi"). Capitalized terms used herein without definition shall have the meanings set forth in the Agreement, or if not defined therein, in the "Merger Agreement" referenced in the Escrow Agreement. Although this notice references the Merger Agreement and may further reference certain defined terms used therein, such references are solely for the benefit of the parties to the Escrow Agreement and Escrow Agent shall have no obligations or responsibilities with respect to the Merger Agreement. 2. On __________ (the "Settlement Date"), ____________ (______) shares of Post-Merger Offering Stock were sold in connection with the "Offering," as such term is used in the Merger Agreement. 3. The Average 10-Day Closing Price of Ameristar Common Stock as of the Settlement Date is __________ Dollars ($_______). 4. Pursuant to Section 2.2 of the Escrow Agreement, the principal amount of the Rebeil Note, as set forth below, shall be inserted therein. In connection therewith, the parties shall undertake the following calculations: Number of Shares of Post-Merger Offering Stock 7,500,000 Number of Shares of Post-Merger Offering Stock Sold in the Offering - 0 Number of Shares of Post-Merger Offering Stock Not Sold = 7,500,000 Average 10-Day Closing Price as of Settlement Date x Subtotal = Gem Individuals' Share of Completion Differential - 4,000,000 Sum of the Amounts Calculated Pursuant to Sections 2.10(g)(i)(B)(2) of the Merger Agreement (which amount shall be zero dollars ($0) if the Net Proceeds of the Post- Merger Offering Stock are less than $8.00/ share multiplied by the number of shares of Post-Merger Offering Stock sold in the Offering) - One-Half of Offering Expenses - Subtotal = Rebeil's Gem Proportionate Interest x .969 PRINCIPAL AMOUNT OF REBEIL NOTE = 5. Pursuant to Section 2.10(h)(ii)(A) of the Merger Agreement, after the principal amount of the Rebeil Note has been completed pursuant to Section 2.2 of the Escrow Agreement and the Escrow Agent has dated the Rebeil Note as of the Settlement Date, Escrow Agent: (a) is to deliver the Rebeil Note to Rebeil; and (b) is to mark the Alternative Rebeil Note as "CANCELLED" and return the Alternative Rebeil Note to Ameristar. Dated: By: APPROVED AND ACKNOWLEDGED: Steven W. Rebeil, an individual Steven W. Rebeil, in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended Schedule 7 Form of Magliarditi Note Completion Notice I, , acting in my capacity as the [insert title] of Ameristar Casinos, Inc., a Nevada corporation ("Ameristar"), hereby certify and represent and warrant as follows: 1. This certificate is made in connection with that certain Gem Individuals' Notes Escrow Agreement and Escrow Instructions (the "Escrow Agreement") dated as of September 27, 1996, by and between Ameristar, Steven W. Rebeil, an individual and in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ("Rebeil"), and Dominic J. Magliarditi, an individual ("Magliarditi"). Capitalized terms used herein without definition shall have the meanings set forth in the Escrow Agreement, or if not defined therein, in the "Merger Agreement" referenced in the Escrow Agreement. Although this notice references the Merger Agreement and may further reference certain defined terms used therein, such references are solely for the benefit of the parties to the Escrow Agreement and Escrow Agent shall have no obligations or responsibilities with respect to the Merger Agreement. 2. On __________ (the "Settlement Date"), ____________ (______) shares of Post-Merger Offering Stock were sold in connection with the "Offering," as such term is used in the Merger Agreement. 3. The Average 10-Day Closing Price of Ameristar Common Stock as of the Settlement Date is __________ Dollars ($_______). 4. Pursuant to Section 2.2 of the Escrow Agreement, the principal amount of the Magliarditi Note, as set forth below, shall be inserted therein. In connection therewith, the parties shall undertake the following calculations: Number of Shares of Post-Merger Offering Stock 7,500,000 Number of Shares of Post-Merger Offering Stock Sold in the Offering - 0 Number of Shares of Post-Merger Offering Stock Not Sold = 7,500,000 Average 10-Day Closing Price as of Settlement Date x Subtotal = Gem Individuals' Share of Completion Differential - 4,000,000 Sum of the Amounts Calculated Pursuant to Sections 2.10(g)(i)(B)(2) of the Merger Agreement (which amount shall be zero dollars ($0) if the Net Proceeds of the Post- Merger Offering Stock are less than $8.00/ share multiplied by the number of shares of Post-Merger Offering Stock sold in the Offering) - - One-Half of Offering Expenses - Subtotal = Magliarditi's Gem Proportionate Interest x .031 PRINCIPAL AMOUNT OF MAGLIARDITI NOTE = 5. Pursuant to Section 2.10(h)(ii)(B) of the Merger Agreement, after the principal amount of the Magliarditi Note has been completed pursuant to Section 2.2 of the Escrow Agreement and the Escrow Agent has dated the Magliarditi Note as of the Settlement Date, Escrow Agent (a) is to deliver the Magliarditi Note to Magliarditi; and (b) is to mark the Alternative Magliarditi Note as "CANCELLED" and return the Alternative Magliarditi Note to Ameristar. Dated: By: APPROVED AND ACKNOWLEDGED: Dominic J. Magliarditi Schedule 8 Form of Going Private Notice I, , acting in my capacity as the [insert title] of Ameristar Casinos, Inc., a Nevada corporation ("Ameristar"), hereby certify and represent and warrant as follows: 1. This certificate is made in connection with that certain Gem Individual Notes Escrow Agreement and Escrow Instructions (the "Escrow Agreement") dated as of September 27, 1996, by and between Ameristar, Steven W. Rebeil, an individual and in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ("Rebeil"), and Dominic J. Magliarditi, an individual ("Magliarditi"). Capitalized terms used herein without definition shall have the meanings set forth in the Escrow Agreement, or if not defined therein, in the "Merger Agreement" referenced in the Escrow Agreement. Although this notice references the Merger Agreement and may further reference certain defined terms used therein, such references are solely for the benefit of the parties to the Escrow Agreement and Escrow Agent shall have no obligations or responsibilities with respect to the Merger Agreement. 2. A "Going Private Event," as such term is used in the Merger Agreement, has occurred. Accordingly, the Escrow Agent is hereby instructed to insert Sixty One Million Five Hundred Thirty One Thousand Five Hundred Dollars ($61,531,500) as the principal amount of the Rebeil Note and One Million Nine Hundred Sixty Eight Thousand Five Hundred Dollars ($1,968,500) as the principal amount of the Magliarditi Note. 3. The Settlement Date occurred on _____________, 19___. 4 Pursuant to Section 2.10(i) of the Merger Agreement, after the principal amount of each of the Rebeil Note and the Magliarditi Note has been completed pursuant to Section 2.3 of the Escrow Agreement and the Escrow Agent has dated the Rebeil Note and the Magliarditi Note as of the Settlement Date and has inserted the date that is six (6) months following the Settlement Date as the "Maturity Date" of the Rebeil Note and the Magliarditi Note, Escrow Agent (a) is to deliver the Rebeil Note to Rebeil and the Magliarditi Note to Magliarditi and (b) is to mark the Alternative Rebeil Note and the Alternative Magliarditi Note as "CANCELLED" and to return said notes to Ameristar. Dated: By: APPROVED AND ACKNOWLEDGED: Steven W. Rebeil, an individual Steven W. Rebeil, in his capacity as Trustee of the Karizma Trust created under that certain Trust Agreement, dated July 2, 1991, as amended ________________________________________ Dominic J. Magliarditi