X0306 4 2018-05-11 0 0000811240 BIOLASE, INC BIOL 0001112980 LORD JONATHAN T MD 4 CROMWELL IRVINE CA 92618 1 0 0 0 Common Stock 2018-05-11 4 M 0 7042 A 100470 D Restricted Stock Unit 2018-05-11 4 M 0 7042 0.00 D Common Stock 7042 0 D Restricted Stock Unit 2018-05-14 4 A 0 27312 0.00 A Common Stock 27312 27312 D Restricted Stock Unit 2018-05-14 4 A 0 144828 0.00 A Common Stock 144828 172140 D Each restricted stock unit represents the right to receive, at settlement, one share of common stock. On May 10, 2017, the reporting person was granted 35,211 restricted stock units, which vested on May 11, 2018. On May 10, 2018, the Company issued a press release announcing that, at the Annual Meeting, the Company's stockholders approved a proposal to amend the Company's Restated Certificate of Incorporation to effect a reverse stock split of Company common stock at a ratio of not less than 1-for-5 and not more than 1-for-15, with the final ratio to be determined by the Board. Immediately after the Annual Meeting, the Board approved the reverse stock split at a ratio of one post-split share for every five pre-split shares. The restricted stock units vest as follows: (i) two-fifths of the restricted stock units vest on December 31, 2018, and (ii) three-fifths of the restricted stock units vest on December 31, 2019. The restricted stock unit award fully vests and is immediately exercisable on the first anniversary of the date of the award. /s/ Michael C. Carroll, attorney-in-fact for Jonathan T. Lord 2018-05-14