CHESAPEAKE UTILITIES CORPORATION REPORTS HIGHER EARNINGS FOR THE THIRD QUARTER

Dover, Delaware — Chesapeake Utilities Corporation (NYSE: CPK) today reported third quarter financial
results. The Company’s net income for the quarter ended September 30, 2013 was $3.9 million, or $0.40
per share. This represents an increase of $660,000, or $0.07 per share, compared to the same quarter in
2012.

For the nine months ended September 30, 2013, the Company reported net income of $23.1 million, or $2.39
per share. This represents an increase of $4.1 million, or $0.42 per share, compared to the same period in 2012.

Chesapeake Utilities Corporation is a diversified utility company engaged in natural gas distribution, transmission and marketing, eletric distribution, propane distribution and wholesale marketing, advanced information services and other related businesses. Information about Chesapeake Utilities Corporation and the Chesapeake family of businesses is available at https://chpk.com

For more information, contact:
Beth W. Cooper
Senior Vice President & Chief Financial Offier
302.734.6799

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