Attached files
March 23,
2010
Mike
Rugen
Chief
Financial Officer
Tengasco,
Inc.
10215
Technology Drive
Knoxville,
TN 37932
RE:
Authorization to cite R^2 in Tengasco’s SEC filing for 12/31/2009.
Dear Mr.
Rugen,
Thank you
for choosing R^2 to provide valuations for Tengasco’s portfolio of derivative
hedge transactions. You have the consent of R^2 to reference our company in
Tengasco’s SEC filing for the analytical work we provided as of
12/31/2009.
Sincerely,
Wayne
Penello
President
ANOVA
Management, Inc.
General
Partner of
Risked
Revenue Energy Associates
Risked
Revenue Energy Associates
2029
Woodhead St. • Houston, Texas • 77019
Phone:
713-522-6161 • www.riskedrevenue.com