X0306 4 2016-12-01 1 0001578318 Envision Healthcare Holdings, Inc. EVHC 0001188136 SHELTON JAMES D 6363 SOUTH FIDDLERS GREEN CIRCLE 14TH FLOOR GREENWOOD VILLAGE CO 80111 1 0 0 0 Common Stock 2016-12-01 4 D 0 10435 D 0 D Disposition pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2016, by and among Envision Healthcare Holdings, Inc., New Amethyst Corp. and AmSurg Corp. (the "Merger Agreement"), exempt under Rule 16b-3. Pursuant to the terms of the Merger Agreement, at the Merger 2 Effective Time, each deferred stock unit held by the reporting person immediately prior to the Merger 2 Effective Time (as defined in the Merger Agreement) was assumed by New Amethyst and converted into a New Amethyst deferred stock unit having the same terms and conditions, taking into account any changes thereto by reason of the Mergers (as defined in the Merger Agreement). /s/ Craig A. Wilson, Attorney-in-Fact for James D. Shelton 2016-12-01