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Atlanta Motor Speedway, LLC, a Georgia limited liability company.

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Bristol Motor Speedway, LLC, a Tennessee limited liability company.

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Charlotte Motor Speedway, LLC ("CMS"), a North Carolina limited liability company.

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US Legend Cars International, Inc. (a wholly-owned subsidiary of CMS), a North Carolina corporation.

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INEX Corp. (a wholly-owned subsidiary of CMS), a North Carolina corporation.

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Kentucky Raceway, LLC d/b/a/ Kentucky Speedway, a Kentucky limited liability company.

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Nevada Speedway, LLC d/b/a Las Vegas Motor Speedway, a Delaware limited liability company.

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New Hampshire Motor Speedway, Inc., a New Hampshire corporation.

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North Wilkesboro Speedway, Incorporated, a North Carolina corporation.

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Speedway Consulting and Design, Inc. (a wholly-owned subsidiary of CMS), a North Carolina corporation.

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Speedway Funding, LLC, a Delaware limited liability company.

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Oil-Chem Research Corporation ("OCRC"), an Illinois corporation.

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SMI Systems, LLC, a Nevada limited liability company.

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SMISC Holdings, Inc. d/b/a SMI Properties, a North Carolina corporation.

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SMI Trackside, LLC (a wholly-owned subsidiary of SMISC Holdings, Inc.), a North Carolina limited liability company.

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Speedway Motorsports International Limited ("SMIL") (a subsidiary of OCRC), a British Virgin Islands corporation.

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Speedway Properties Company, LLC ("SPC") a/k/a Performance Racing Network, a Delaware limited liability company.

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Speedway Media, LLC a/k/a Racing Country USA (a wholly-owned subsidiary of SPC), a North Carolina limited liability company.

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Speedway Sonoma, LLC a/k/a Sonoma Raceway, a Delaware limited liability company.

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Speedway TBA, LLC, a North Carolina limited liability company.

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Texas Motor Speedway, Inc., a Texas corporation.

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TSI Management Company, LLC ("TSI") (a wholly-owned subsidiary of SMISC Holdings, Inc.), a North Carolina limited liability company.