Endologix, Inc. announced that its preliminary unaudited revenue for the fourth quarter ended December 31, 2018 is expected to be approximately $34 million. Revenue for the full year ended December 31, 2018 is expected to be $155.8 million. The Company reaffirms its previously issued annual guidance and continues to expect 2019 revenue of at least $140 million. The Company anticipates revenue for the first quarter ending March 31, 2019 of approximately $35 million.