Filed by the Registrant ☒  Filed by a Party other than the Registrant  ☐
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
☒	​	​	Definitive Additional Materials
☐	​	​	Soliciting Material under §240.14a-12

Payment of Filing Fee (Check the appropriate box):
☒	​	​	No fee required.
☐	​	​	Fee paid previously with preliminary materials.
☐	​	​	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11