Hi-Crush Partners LP announced that on August 20, 2018, John R. Huff notified the Company of his resignation from the Board of Directors (the "Board"). Mr. Huff has served as a non-independent director of Hi-Crush Proppants LLC since May 2011 and was appointed to the Board of the Company’s general partner by Avista Capital Partners in May 2012. On August 23, 2018, the Board appointed Thompson Dean to fill the vacant non-independent Board seat resulting from Mr. Huff’s resignation. Following these changes, the composition of Hi-Crush’s Board remains unchanged, including three independent directors. Mr. Dean is the Managing Partner and Co-Chief Executive Officer of Avista Capital Partners. Prior to co-founding Avista Capital Partners in 2005, Mr. Dean led DLJ Merchant Banking Partners for 10 years. Mr. Dean served as Managing Partner of DLJMB I, II and III and DLJ Growth Capital Partners until his departure in 2005 and was Chairman of their respective Investment Committees. Mr. Dean received a B.A. from the University of Virginia, where he was an Echols Scholar, and an M.B.A. with high distinction from Harvard Business School, where he was a Baker Scholar.