0001104659-17-001562 POS AM 1 20170109 20170109 Antero Midstream Partners LP 0001598968 4922 464109058 DE 1231 POS AM 33 333-207365 17518672 1615 WYNKOOP STREET DENVER CO 80202 (303) 357-7310 1615 WYNKOOP STREET DENVER CO 80202 Antero Resources Midstream LLC 20140203 POS AM 1 a17-1693_1posam.htm POS AM