X0306 5 2017-12-31 0 0 0 0000019745 CHESAPEAKE UTILITIES CORP CPK 0001608024 Householder Jeffry M 909 SILVER LAKE BLVD DOVER DE 19904 0 1 0 0 President, FPU (sub) Common Stock 8332 D Common STock 78 I 401K Plan Includes 113 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Automatic Dividend Reinvestment and Direct Stock Purchase Plan. Of these shares, 7,623 represent deferred stock units that will be settled on a one-for-one basis in common stock. These shares of common stock were acquired by the reporting person under the 401(k) Plan via an employer supplemental contribution that was funded in shares of Chesapeake Utilities Corporation common stock in July of 2017. Beth W. Cooper, by Power of Attorney 2018-02-09