BIDU [Baidu] 6-K: EXECUTION VERSION SIXTH SUPPLEMENTAL INDENTURE Dated as of
[EXECUTION VERSION SIXTH SUPPLEMENTAL INDENTURE Dated as of March 29, 2018 Between BAIDU, INC. as Company and THE BANK OF NEW YORK MELLON as Trustee 3.875% NOTES DUE 2023 4.375% NOTES DUE 2028 Company Trustee SIXTH SUPPLEMENTAL INDENTURE dated as of March 29, 2018 between Baidu, Inc., an exempted c]