13D Filing: Gardner Lewis Asset Management LP and ShoreTel Inc (SHOR)

CUSIP No. 825211105                                                                                                                                                                 Page 4 of 6

This Amendment No. 1 (this “Amendment”)
relates to the Statement of Beneficial Ownership on Schedule 13D filed with respect to the common stock, $0.001 par value (the
“Common Stock”), of ShoreTel, Inc. (the “Issuer”), which was originally filed on September 21, 2017 (this
“Schedule 13D”). Unless otherwise indicated, all capitalized terms used herein but not defined herein shall have the
same meanings as set forth in the Schedule 13D.

ITEM 4. PURPOSE OF TRANSACTION

Item 4 of this Schedule 13D
is amended and supplemented by the addition of the following:

Pursuant to the Offer
to Purchase, dated August 17, 2017, from Shelby Acquisition Corporation (the “Offeror”), a Delaware corporation
and a wholly-owned subsidiary of Mitel US Holdings, Inc. (“Parent”), a Delaware corporation and a wholly-owned subsidiary
of Mitel Networks Corporation (“Mitel”), a Canadian corporation, to purchase
all of the outstanding shares of Common Stock (the “Tender Offer”), on September 22, 2017, the Reporting Persons tendered
all of the shares of Common Stock beneficially owned by them as reported on this Schedule 13D and such shares were accepted by
the Offeror on September 22, 2017.

ITEM 5. INTEREST IN SECURITIES OF
THE ISSUER

Item 5 of this Schedule 13D is amended
and supplemented as follows:

(a)
As a result of the Tender Offer, the Reporting Persons no longer have any beneficial ownership
in the Common Stock.

(c)
The disclosure contained in Item 4 of this Amendment is incorporated herein by reference.

(e)       The
Reporting Persons ceased to be beneficial owners of 5% or more of the Issuer’s Common Stock on September 22, 2017.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

Exhibit A – Joint Filing Agreement