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

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

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

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

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

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

Las Vegas Motor Speedway, LLC (“LVMS”), a Delaware limited liability Company.

Nevada Speedway, LLC d/b/a Las Vegas Motor Speedway (a wholly-owned subsidiary of LVMS), a Delaware limited liability company.

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

North Wilkesboro Speedway, Inc., a North Carolina corporation.

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

Speedway Funding, LLC (a wholly-owned subsidiary of LVMS), a Delaware limited liability company.

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

SMI Systems, LLC, a Nevada limited liability company.

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

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

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

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

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

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

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

Exploration, LLC (a wholly-owned subsidiary of OCRC), a North Carolina limited liability company.

Texas Motor Speedway, Inc., a Texas corporation.

OOO Visheraneft, a Russian company located near Perm, Russia.

OOO Vorga, a Russian company located near Ukhta, Russia.

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