EX-4.1
from 8-K
4 pages
CSG Systems International, Inc., as Issuer and the Bank of New York Mellon Trust Company, N. A., as Trustee First Supplemental Indenture Dated as of November 26, 2021 to the Indenture Dated as of March 15, 2016 4.25% Convertible Senior Notes Due 2036 First Supplemental Indenture
12/34/56