Nine Energy Service, Inc. announced in connection with the entry into David Crombie's A&R Employment Agreement, Mr. Crombie was appointed Executive Vice President and Chief Operating Officer of the company, effective as of January 1, 2019. Mr. Crombie, age 45, joined the Company in December 2013. Mr. Crombie currently serves as an Executive Vice President and as President, Completion Solutions of the company. Prior to serving in this position, Mr. Crombie served as President, US Wireline and Cementing and was an Executive Vice President of the company from December 2013 to February 2017. Mr. Crombie joined the Company from Crest Pumping Technologies, LLC, which he founded and guided to success as President. Before starting Crest, Mr. Crombie was Vice President of Operations and Sales for Pumpco Energy Services, a wholly owned subsidiary of Complete Production Services (now part of Superior Energy Services), from 2000 to 2012. At Pumpco, he oversaw stimulation and cementing services in prolific, unconventional plays throughout the continental United States. Prior to Pumpco, Mr. Crombie was employed by Halliburton Energy Services from 1994 to 2000. Since 1994, Mr. Crombie has worked in both cementing and stimulation operations in the areas of domestic and international operations, including the Permian Basin, the Fort Worth Basin, Oklahoma, the Gulf of Mexico and Saudi Arabia.