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 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 | |
CSG Systems International, Inc.
(Name of Registrant as Specified In Its
Charter)
(Name of Person(s) Filing Proxy
Statement, if other than the Registrant)
| PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY): | ||
| ☑ | 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 | |
