Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Greylock XI GP Limited Partnership
2. Date of Event Requiring Statement (Month/Day/Year)
07/19/2012
3. Issuer Name and Ticker or Trading Symbol
Palo Alto Networks Inc [PANW]
(Last)
(First)
(Middle)
2550 SAND HILL ROAD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MENLO PARK, CA 94025
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 96,909
I
See footnote (1)
Common Stock 2,700
I
See footnote (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series A-1 Preferred Stock   (3)   (3) Common Stock 211,458 $ (3) I See footnote (1)
Series A-1 Preferred Stock   (3)   (3) Common Stock 5,892 $ (3) I See footnote (2)
Series A-2 Preferred Stock   (3)   (3) Common Stock 7,668,692 $ (3) I See footnote (1)
Series A-2 Preferred Stock   (3)   (3) Common Stock 213,642 $ (3) I See footnote (2)
Series B Preferred Stock   (3)   (3) Common Stock 2,089,081 $ (3) I See footnote (1)
Series B Preferred Stock   (3)   (3) Common Stock 58,200 $ (3) I See footnote (2)
Series C Preferred Stock   (3)   (3) Common Stock 2,005,636 $ (3) I See footnote (1)
Series C Preferred Stock   (3)   (3) Common Stock 55,875 $ (3) I See footnote (2)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Greylock XI GP Limited Partnership
2550 SAND HILL ROAD
MENLO PARK, CA 94025
    X    

Signatures

/s/ Sonia Sexton, as Attorney-in-Fact for Greylock XI GP Partnership both in its individual capacity and in its capacity as the General partner of Greylock XI Limited Partnership 07/19/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Shares held directly by Greylock XI Limited Partnership ("GL XI LP"). GL XI GP, the general partner of GL XI LP, has sole voting and dispositive power with respect to the securities held by GL XI LP. Each of these entities disclaims beneficial ownership of the securities held by GL XI LP except to the extent of any pecuniary interest therein.
(2) Shares held directly by Greylock XI-A Limited Partnership ("GL XI-A LP"). GL XI GP, the general partner of GL XI-A LP, has sole voting and dispositive power with respect to the securities held by GL XI-A LP. Each of these entities disclaims beneficial ownership of the securities held by GL XI-A LP except to the extent of any pecuniary interest therein.
(3) Each share of Series A-1 Preferred Stock, A-2 Preferred Stock, Series B Preferred Stock and Series C Preferred Stock automatically converts into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering of Common Stock and has no expiration date.

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