13D Filing: GAMCO Investors and Delta Natural Gas Co Inc (DGAS)

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Signature
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Dated: July 14, 2017
GGCP, INC.
MARIO J. GABELLI
By:/s/ David Goldman
     David Goldman
     Attorney-in-Fact
TETON ADVISORS, INC.
GABELLI FUNDS, LLC
By:/s/ David Goldman 
     David Goldman
     General Counsel – Gabelli Funds, LLC
    Counsel-Teton Advisors, Inc.
  GAMCO INVESTORS, INC.
By:/s/ Kevin Handwerker 
     Kevin Handwerker
                General Counsel & Secretary – GAMCO Investors, Inc.
ASSOCIATED CAPITAL GROUP, INC.
GAMCO ASSET MANAGEMENT INC.
By:/s/ Douglas R. Jamieson 
     Douglas R. Jamieson
                    President & Chief Executive Officer – Associated Capital
Group, Inc.
      President – GAMCO Asset Management Inc.

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