Aviva, Inc

Aviva, Inc. manages the following oil and gas companies and partnerships:

• AGS Limited Partnership
• AGS Investments LLC
• ARS Control Account Limited Partnership
• ASCA Ltd.
• Black Type Limited Partnership
• Blue Fox Royalty Limited Partnership
• Catamount Royalty Partners, Ltd.
• Columbine I Limited Partnership
• Columbine II Limited Partnership
• Five Star Royalty Partners, Ltd.
• Joseph B. Singer Oil Company
• McCrary, An Oklahoma Limited Partnership
• Missouri River Limited Partnership
• Queenstown Oil and Gas, Inc.
• Queenstown Royalty Company Limited Partnership
• Queenstown Royalty II Limited Partnership
• Red Rock Royalty Limited Partnership
• Rocket Oil & Gas Company Limited Partnership
• STJ Limited Partnership
• White Tiger Limited Partnership