DEFA14A 1 ades-2023scheduledefa14axn.htm DEFA14A Document


United States
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
______________________________________ 
SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a)
of the Securities Exchange Act of 1934
(Amendment No. )
______________________________________ 

Filed by the RegistrantxFiled 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
xDefinitive Additional Materials
¨Soliciting Material Pursuant to §240.14a-12

Advanced Emissions Solutions, Inc.
(Name of registrant as specified in its charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Check the appropriate box:
xNo 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.



1



naa1a.jpg


2


naa2a.jpg
3