X0306 4 2018-03-16 0 0001043604 JUNIPER NETWORKS INC JNPR 0001714505 Athreya Anand 1133 INNOVATION WAY SUNNYVALE CA 94089 0 1 0 0 Chief Development Officer Common Stock 2018-03-17 4 M 0 19563 0.0 A 98961 D Common Stock 2018-03-17 4 F 0 6765 26.29 D 92196 D Common Stock 2018-03-18 4 M 0 15608 0.0 A 107804 D Common Stock 2018-03-18 4 F 0 5731 26.29 D 102073 D Common Stock 2018-03-20 4 M 0 21751 0.0 A 123824 D Common Stock 2018-03-20 4 F 0 10785 25.42 D 113039 D Performance Stock Unit 0.0 2018-03-16 4 A 0 12936 0.0 A 2019-02-16 2020-02-16 Common Stock 12936 12936 D Performance Stock Unit 0.0 2018-03-16 4 A 0 102000 0.0 A 2021-03-16 2021-03-16 Common Stock 102000 102000 D RSU Award 0.0 2018-03-20 4 M 0 21751 0.0 D 2016-03-20 2018-03-20 Common Stock 21751 0 D RSU Award 0.0 2018-03-18 4 M 0 15608 0.0 D 2017-03-18 2019-03-18 Common Stock 15608 15608 D RSU Award 0.0 2018-03-17 4 M 0 19563 0.0 D 2018-03-17 2020-03-17 Common Stock 19563 37974 D RSU Award 0.0 2018-03-16 4 A 0 34000 0.0 A 2019-03-16 2021-03-16 Common Stock 34000 34000 D Represents shares withheld from the released share award for the payment of applicable income and payroll withholding taxes due on release. Represents the maximum quantity of shares issuable. The exact number of shares issuable will be determined based on achievement of certain Company performance targets for the 2018 fiscal year, as determined by the Compensation Committee of the Board. The executive can earn either 0% or 100% of the target shares that will vest 50% each year over a two year period. Column 8 is not an applicable reportable field. Represents the maximum quantity of shares issuable. The exact number of shares issuable with respect to the performance award will be determined based on achievement of certain Company performance targets over 3 years. The executive can earn between 0% and 200% of the target shares. No shares vest or are issued until after the performance period. This awards vests from the original grant date as to thirty-four percent on the one year anniversary of the grant date and thirty-three percent annually on the second anniversary and third anniversary. By: Robert Mobassaly: Attorney in Fact For: Athreya Anand S 2018-03-20