X0306 4 2016-06-01 0 0001129260 VOCERA COMMUNICATIONS, INC. VCRA 0001231089 ZOLLARS ROBERT C/O VOCERA COMMUNICATIONS, INC. 525 RACE STREET SAN JOSE CA 95126 1 0 0 0 Common Stock 2016-06-01 4 A 0 11020 0 A 37463 D Common Stock 90901 I By ZoCo, L.P. Represents a restricted stock unit award that vests in full on June 1, 2017. Mr. Zollars and his wife are general partners and their children are limited partners. Mr. Zollars disclaims beneficial ownership of shares held by ZoCo L.P. except to the extent of his pecuniary interest therein. /s/ Robert J. Zollars by Jay Spitzen, Attorney-in-Fact 2016-06-03