Sec Form 4 Filing - Seto Allen @ ShoreTel Inc - 2017-09-25

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 Seto Allen 2. Issuer Name and Ticker or Trading Symbol ShoreTel Inc [ SHOR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) General Counsel (Last) (First) (Middle) 960 STEWART DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 09/25/2017 (Street) SUNNYVALE, CA94085 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 09/25/2017 D 28,476 D $ 0 0 ( 1 ) 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 Non-qualified Stock Option (Right to Buy) $ 3.91 09/25/2017 D 15,000 06/11/2013 06/11/2022 Common Stock 15,000 $ 0 0 ( 2 ) D Non-qualified Stock Option (Right to Buy) $ 3.5 09/25/2017 D 50,000 04/01/2014 04/01/2023 Common Stock 50,000 $ 0 0 ( 2 ) D Non-qualified Stock Option (Right to Buy) $ 4.44 09/25/2017 D 25,000 08/15/2014 08/15/2023 Common Stock 25,000 $ 0 0 ( 2 ) D Non-qualified Stock Option (Right to Buy) $ 6.61 09/25/2017 D 30,000 08/15/2015( 3 ) 08/15/2024 Common Stock 30,000 $ 0 0 ( 2 ) D Non-qualified Stock Option (Right to Buy) $ 7.35 09/25/2017 D 30,000 08/21/2016( 3 ) 08/21/2025 Common Stock 30,000 $ 0 0 ( 2 ) D Restricted Stock Unit $ 0 09/25/2017 D 3,750 08/15/2015( 4 ) 08/15/2024 Common Stock 3,750 $ 0 0 ( 2 ) D Restricted Stock Unit $ 0 09/25/2017 D 7,500 08/21/2016( 4 ) 08/21/2025 Common Stock 7,500 $ 0 0 ( 2 ) D Restricted Stock Unit $ 0 09/25/2017 D 15,000 08/18/2017( 4 ) 08/18/2026 Common Stock 15,000 $ 0 0 ( 2 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Seto Allen 960 STEWART DRIVE SUNNYVALE, CA94085 General Counsel Signatures /s/ Allen Seto 09/27/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Following the acquisition of ShoreTel, Inc. by Mitel Networks Corporation, shares of ShoreTel, Inc. common stock were subject to a tender offer of $7.50 per share. ( 2 )Following the acqusition of ShoreTel, Inc. by Mitel Networks Corporation, all vested and exercisable options and all vested RSUs were cancelled. The holder received the right to a cash payment equal to $7.50 per share, minus exercise price and applicable taxes. ( 3 )Originally scheduled to vest at the rate of 25% on the first anniversary date of the grant and 1/48th per month thereafter. Vesting was accelerated pursuant to the ShoreTel, Inc. 2007 and/or 2015 Equity Incentive Plan, a Retention or Employment Agreement and the Agreement and Plan of Merger by and among Mitel HS Holdings, Inc., Shelby Acquisition Corporation, ShoreTel, In. and Mitel Networks Corporation dated as of July 26, 2017. ( 4 )Originally scheduled to vest at the rate of 25% a year over 4 years, on the anniversary date of the grant. Vesting was accelerated pursuant to the ShoreTel, Inc. 2007 and/or 2015 Equity Incentive Plan, a Retention or Employment Agreement and the Agreement and Plan of Merger by and among Mitel HS Holdings, Inc., Shelby Acquisition Corporation, ShoreTel, In. and Mitel Networks Corporation dated as of July 26, 2017.

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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