SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF

THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No.  )

Filed by the Registrant [  ]

Filed by a Party Other than the Registrant [x]

Check the Appropriate Box:

[  ] Preliminary Proxy Statement

[  ] Confidential, for Use of the Commission Only (as permitted by
Rule 14a-6(e)(2))

[  ] Definitive Proxy Statement

[X] Definitive Additional Materials

[  ] Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12

(Name of registrant as specified in its charter)

MESON CAPITAL LP

MESON CONSTRUCTIVE CAPITAL LP

MESON CAPITAL PARTNERS LLC

RYAN MORRIS

BRYAN BOCHES

SHVETANK JAIN

 (Name of person(s) filing proxy statement, if other than the registrant)

Payment of Filing Fee (Check the Appropriate Box):

[x] No fee required.

[  ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

(2) Aggregate number of securities to which transaction applies:

(3) Per unit price or other underlying value of transaction computed pursuant to
Exchange Act Rule 0-11 (set forth the amount on which the filing fee is
calculated and state how it is determined):

(4) Proposed maximum aggregate value of transaction:

(5) Total fee paid:

[  ] Fee paid previously with preliminary materials:

[

] Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

(1) Amount Previously Paid:

(2) Form, Schedule or Registration Statement no.:

(3) Filing Party:

(4) Date Filed:

Meson Capital LP, together with the other participants named herein (collectively, "Meson"), has filed with the Securities and Exchange Commission a definitive proxy statement and an accompanying GOLD proxy card to be used to solicit votes for the election of its slate of director nominees at the upcoming 2017 annual meeting of stockholders of Sevcon, Inc., a Delaware corporation (the "Company").

On January 19, 2017, Meson Capital LP, issued a presentation on the Company, a copy of which is attached hereto as Exhibit 99.1.