Sec Form 4 Filing - Molinaro Vincent @ JUNIPER NETWORKS INC - 2016-02-19

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Molinaro Vincent 2. Issuer Name and Ticker or Trading Symbol JUNIPER NETWORKS INC [ JNPR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP Chief Customer Officer (Last) (First) (Middle) 1133 INNOVATION WAY 3. Date of Earliest Transaction (MM/DD/YY) 02/19/2016 (Street) SUNNYVALE, CA94089 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/19/2016 M 21,918 A $ 0 40,274 D Common Stock 02/19/2016 F 8,005 ( 1 ) D $ 24.57 32,269 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Performance Shares $ 0 02/19/2016 M 21,918 02/19/2016( 2 ) 02/19/2016 Common Stock 21,918 $ 0 ( 3 ) 0 D Performance Shares $ 0 02/19/2016 A 15,388 02/19/2017( 4 ) 02/19/2018 Common Stock 15,388 $ 0 ( 3 ) 15,388 D Performance Shares $ 0 02/19/2016 A 46,794 02/19/2019( 5 ) 02/19/2019 Common Stock 46,794 $ 0 ( 3 ) 46,794 D Performance Shares $ 0 02/19/2016 A 23,397 01/01/2017( 6 ) 12/31/2020 Common Stock 23,397 $ 0 ( 3 ) 23,397 D RSU Award $ 0 02/19/2016 A 24,106 02/19/2017( 7 ) 02/19/2019 Common Stock 24,106 $ 0 ( 3 ) 24,106 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Molinaro Vincent 1133 INNOVATION WAY SUNNYVALE, CA94089 EVP Chief Customer Officer Signatures By: Robert Mobassaly:Attorney in Fact For: Vincent J. Molinaro 02/23/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares withheld from the released share award for the payment of applicable income and payroll withholding taxes due on release. ( 2 )All of the shares earned over the three year period will vest, provided that the reporting person is still providing service to the Company, after the final calculation is approved by the Compensation Committee. ( 3 )Column 8 is not an applicable reportable field. ( 4 )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 2016 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. ( 5 )Represents the maximum quantity of shares issuable. The exact number of shares issuable with respect to each of three performance years will be determined based on achievement of certain Company performance targets for each year, as determined by the Compensation Committee of the Board. The executive can earn between 0% and 200% of the target shares with respect to each year. No shares vest or are issued until after the third performance year. ( 6 )The number of shares represents the maximum quantity of shares issuable pursuant to this performance share award.The exact number of shares issuable will be based upon achievement of specific stock price targets for the Issuer sustained over a period of 60 consecutive trading days during a 4 year period commencing on January 1, 2017. ( 7 )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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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