Common use of Additional Terms/Acknowledgements Clause in Contracts

Additional Terms/Acknowledgements. The undersigned Optionee acknowledges receipt of, and has read and understands and agrees to, the Option Agreement and the Plan. Optionee further acknowledges that as of the Date of Grant, the Option Agreement and the Plan set forth the entire understanding between Optionee and the Company regarding the grant by the Company of the Option referred to in this Grant Notice. Optionee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board or the Administrator upon any questions arising under the Plan. BIG 5 SPORTING GOODS CORPORATION OPTIONEE: By: Signature Signature Title: Date: Date: ATTACHMENTS: Stock Option Agreement SPOUSE OF OPTIONEE: Spouse has read and understands the Option Agreement and the Plan and is executing this Grant Notice to evidence Spouse's consent and agreement to be bound by all of the terms and conditions of the Option Agreement and the Plan (including those relating to the appointment of the Optionee as agent for any interest that Spouse may have in the Option Shares). Date: Signature Optionee Address:

Additional Terms/Acknowledgements. The undersigned Optionee acknowledges receipt of, and has read and understands and agrees to, the Option Agreement and the Plan. Optionee further acknowledges that as of the Date of Grant, the Option Agreement and the Plan set forth the entire understanding between Optionee and the Company regarding the grant by the Company of the Option referred to in this Grant Notice. Optionee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board or the Administrator upon any questions arising under the Plan. BIG 5 SPORTING GOODS CORPORATION PINNACLE ENTERTAINMENT, INC. OPTIONEE: By: Signature Signature Title: Date: Date: ATTACHMENTS: Stock Option Agreement and 2001 Stock Option Plan SPOUSE OF OPTIONEE: Spouse has read and understands the Option Agreement and the Plan and is executing this Grant Notice to evidence Spouse's ’s consent and agreement to be bound by all of the terms and conditions of the Option Agreement and the Plan (including those relating to the appointment of the Optionee as agent for any interest that Spouse may have in the Option Shares). Signature Date: Signature Optionee Address:

Additional Terms/Acknowledgements. The undersigned Optionee acknowledges receipt of, and has read and understands and agrees to, the Option Agreement and the Plan. Optionee further acknowledges that as of the Date of Grant, the Option Agreement and the Plan set forth the entire understanding between Optionee and the Company regarding the grant by the Company of the Option referred to in this Grant Notice. Optionee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board or the Administrator upon any questions arising under the Plan. BIG 5 SPORTING GOODS CORPORATION XXXX RESORTS, LIMITED OPTIONEE: By: Signature Signature Title: Date: Date: ATTACHMENTS: Stock Option Agreement and 2002 Stock Incentive Plan SPOUSE OF OPTIONEE: Spouse has read and understands the Option Agreement and the Plan and is executing this Grant Notice to evidence Spouse's consent and agreement to be bound by all of the terms and conditions of the Option Agreement and the Plan (including those relating to the appointment of the Optionee as agent for any interest that Spouse may have in the Option Shares). Date: Signature Date Optionee Address:: QuickLinks Exhibit 4.5

Additional Terms/Acknowledgements. The undersigned Optionee acknowledges receipt of, and has read and understands and agrees to, the Option Agreement and the Plan. Optionee further acknowledges that as of the Date of Grant, the Option Agreement and the Plan set forth the entire understanding between Optionee and the Company regarding the grant by the Company of the Option referred to in this Grant Notice. Optionee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Board or the Administrator upon any questions arising under the Plan. BIG 5 SPORTING GOODS CORPORATION PINNACLE ENTERTAINMENT, INC. OPTIONEE: By: Signature Signature Title: Date: Date: ATTACHMENTS: Stock Option Agreement and 2002 Stock Option Plan SPOUSE OF OPTIONEE: Spouse has read and understands the Option Agreement and the Plan and is executing this Grant Notice to evidence Spouse's ’s consent and agreement to be bound by all of the terms and conditions of the Option Agreement and the Plan (including those relating to the appointment of the Optionee as agent for any interest that Spouse may have in the Option Shares). Date: Signature Date Optionee Address: