[INDENTURE Dated as of November 28, 2012 Between BAIDU, INC. as Company and THE BANK OF NEW YORK MELLON as Trustee DEBT SECURITIES TABLE OF CONTENTS Page ARTICLE I DEFINITIONS Section 1.01 Definitions 1 Section 1.02 Rules of Construction 11 ARTICLE II] [FIRST SUPPLEMENTAL INDENTURE Dated as of November 28, 2012 Between BAIDU, INC. as Company and THE BANK OF NEW YORK MELLON as Trustee 2.250% NOTES DUE 2017 3.500% NOTES DUE 2022 Company Trustee FIRST SUPPLEMENTAL INDENTURE dated as of November 28, 2012 between Baidu, Inc., an exempted company incorporated in the Cayman Islands (the “ WITNESSETH: Base Indenture Indenture WHEREAS,] [BAIDU, INC. Robin Yanhong Li Chairman and Chief Executive Officer Description of Document]

[Baidu Announces Pricing of US$1,500,000,000 Notes Offering The Company expects to receive net proceeds from the offering of approximately US$1,491.6 million, after deducting underwriting discounts and commissions and estimated net offering expenses. The Company intends to use a portion of the net proceeds from the offering to retire certain existing debt and the remainder for general corporate purposes. The joint] [BAIDU, INC. Robin Yanhong Li Chairman and Chief Executive Officer Description of Document]

[$ BAIDU, INC. $ % Senior Notes due 20 $ % Senior Notes due 20 Underwriting Agreement , 2012 [ ] As Representatives of the several Underwriters listed in Schedule 1 hereto Ladies and Gentlemen: Company Underwriters Representatives 20 Notes 20 Notes Securities Original Indenture First Supplemental Indenture Indenture Trustee Baidu, Inc., an exempted company limited by shares under the] [Description of Document 1.1 Form of Underwriting Agreement BAIDU, INC. Robin Yanhong Li]

[Baidu Announces Filing of Automatic Shelf Registration Statement and Proposed Debt Offering The joint bookrunners of the offering are J.P. Morgan Securities LLC and Goldman Sachs (Asia) L.L.C. About Baidu Baidu, Inc. is the leading Chinese language Internet search provider. As a technology-based media company, Baidu aims to provide the best way for people to find information. In addition to] [BAIDU, INC. Robin Yanhong Li Chairman and Chief Executive Officer 6-K 1 d432826d6k.htm FORM 6-K]