X0306 4 2019-03-13 0 0000917520 INTEGRA LIFESCIENCES HOLDINGS CORP IART 0001323134 Arduini Peter J 311 C ENTERPRISE DRIVE PLAINSBORO NJ 08536 1 1 0 0 President & CEO Common Stock 2019-03-13 4 M 0 290 0.00 A 216501 D Common Stock 2019-03-13 4 F 0 290 55.91 D 216211 D Common Stock 2019-03-13 4 M 0 258 0.00 A 216469 D Common Stock 2019-03-13 4 F 0 258 55.91 D 216211 D Common Stock 2019-03-13 4 F 0 6215 55.91 D 209996 D Common Stock 2019-03-13 4 F 0 11687 55.91 D 198309 D Common Stock 2019-03-14 4 M 0 368 0.00 A 198677 D Common Stock 2019-03-14 4 F 0 368 56.14 D 198309 D Common Stock 2019-03-14 4 F 0 15292 56.14 D 183017 D Non-Qualified Stock Option (right to buy) 55.91 2019-03-13 4 A 0 91249 0.00 A 2027-03-13 Common Stock 91249 91249 D Restricted Stock Units/Contract Stock 0.00 2019-03-13 4 M 0 290 55.91 D Common Stock 290 484986 D Restricted Stock Units/Contract Stock 0.00 2019-03-13 4 M 0 258 55.91 D Common Stock 258 484728 D Restricted Stock Units/Contract Stock 0.00 2019-03-13 4 A 0 20390 0.00 A Common Stock 20390 505118 D Restricted Stock Units/Contract Stock 0.00 2019-03-14 4 M 0 368 56.14 D Common Stock 368 504750 D The grant will vest as to one-third of the shares on the first anniversary of the grant date of 3/13/2019 and thereafter in monthly installments through the following twenty-four months. The award was a contract stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/17 of which the second installment vested on 3/13/19 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. The award was a contract stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/18 of which the first installment vested on 3/13/19 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. The award was a contract stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/13/2019 which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. This award is subject to accelerated vesting upon termination of employment by reason of death or disability or upon a qualifying termination on or within 24 months following the date of a change in control. The award was a contract stock unit award which will vest in three annual equal installments on the first, second and third anniversaries of the grant date of 3/14/16 of which the third installment vested on 3/14/19 and which shall be delivered to Mr. Arduini within 30 days following the first business day that occurs immediately following the six month period after the date of his separation of service as deferred compensation. /s/ Eric Schwartz; Attorney-in-Fact 2019-03-15