BIDU [Baidu] FWP: Registration Statement No. 333-184757 Issuer Free Writing Prospectus

[Registration Statement No. 333-184757 Issuer Free Writing Prospectus dated June 23, 2015 Relating to Preliminary Prospectus Supplement dated June 22, 2015 BAIDU, INC. Pricing Term Sheets 3.000% Notes due 2020 (the “2020 Notes”) Issuer: Baidu, Inc. Principal Amount: US$750,000,000 June 30, 2020 Coupon (Interest Rate): 3.000% Public Offering Price: 99.866% of face amount Ranking: Senior unsecured Format: SEC registered Listing:]

BIDU [Baidu] 6-K: (Original Filing)

[$ BAIDU, INC. $ % Notes due 20 $ % Notes due 20 Underwriting Agreement , 2015 [ ] As Representatives of the several Underwriters listed in Schedule 1 hereto Ladies and Gentlemen: Company Underwriters Representatives 20 Notes 20 Notes Securities Original Indenture Fourth Supplemental Indenture Indenture Trustee Baidu, Inc., an exempted company limited by shares under the laws of] [FORM 6-K BAIDU, INC. Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China x ¨ Form 20-F ¨ ¨ BAIDU, INC. Jennifer Xinzhe Li Chief Financial Officer 6-K 1 d940619d6k.htm FORM 6-K]

BIDU [Baidu] 6-K: $ BAIDU, INC. $ % Notes due 20

[$ BAIDU, INC. $ % Notes due 20 $ % Notes due 20 Underwriting Agreement , 2015 [ ] As Representatives of the several Underwriters listed in Schedule 1 hereto Ladies and Gentlemen: Company Underwriters Representatives 20 Notes 20 Notes Securities Original Indenture Fourth Supplemental Indenture Indenture Trustee Baidu, Inc., an exempted company limited by shares under the laws of] [FORM 6-K BAIDU, INC. Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China x ¨ Form 20-F ¨ ¨ BAIDU, INC. Jennifer Xinzhe Li Chief Financial Officer 6-K 1 d940619d6k.htm FORM 6-K]

BIDU [Baidu] 6-K: (Original Filing)

[Baidu Announces Proposed Debt Offering The joint bookrunners of the offering are Goldman Sachs (Asia) L.L.C. and J.P. Morgan Securities LLC. www.sec.gov About Baidu Baidu, Inc. is the leading Chinese language Internet search provider. As a technology-based media company, Baidu aims to provide the best and most equitable way for people to find what they’re looking for. In addition to] [FORM 6-K BAIDU, INC. Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China x ¨ Form 20-F ¨ ¨ BAIDU, INC. Jennifer Xinzhe Li Chief Financial Officer 6-K 1 d940579d6k.htm FORM 6-K]

BIDU [Baidu] 6-K: Baidu Announces Proposed Debt Offering The joint bookrunners

[Baidu Announces Proposed Debt Offering The joint bookrunners of the offering are Goldman Sachs (Asia) L.L.C. and J.P. Morgan Securities LLC. www.sec.gov About Baidu Baidu, Inc. is the leading Chinese language Internet search provider. As a technology-based media company, Baidu aims to provide the best and most equitable way for people to find what they’re looking for. In addition to] [FORM 6-K BAIDU, INC. Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China x ¨ Form 20-F ¨ ¨ BAIDU, INC. Jennifer Xinzhe Li Chief Financial Officer 6-K 1 d940579d6k.htm FORM 6-K]

BIDU [Baidu] 424B5: (Original Filing)

[We expect to deliver the Notes to investors through the book-entry delivery system of The Depository Trust Company and its direct participants, including Euroclear Bank S.A./N.V., or Euroclear, and Clearstream Banking, société anonyme, or Clearstream, on or about , 2015, which is the fifth business day following the date of this prospectus supplement. Purchasers of the Notes should note that]

BIDU [Baidu] 424B5: We expect to deliver the Notes to investors

[We expect to deliver the Notes to investors through the book-entry delivery system of The Depository Trust Company and its direct participants, including Euroclear Bank S.A./N.V., or Euroclear, and Clearstream Banking, société anonyme, or Clearstream, on or about , 2015, which is the fifth business day following the date of this prospectus supplement. Purchasers of the Notes should note that]

BIDU [Baidu] CORRESP: (Original Filing)

[AIDU NC B Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China May 29, 2015 VIA EDGAR Craig D. Wilson, Senior Assistant Chief Accountant Joyce Sweeney, Staff Accountant Barbara C. Jacobs, Assistant Director Ji Shin, Staff Attorney Division of Corporation Finance 100 F Street, N.E. Re: Baidu, Inc. (the “Company”) Form 20-F for]

BIDU [Baidu] CORRESP: AIDU NC B Baidu Campus No. 10 Shangdi

[AIDU NC B Baidu Campus No. 10 Shangdi 10th Street Haidian District, Beijing 100085 The People’s Republic of China May 29, 2015 VIA EDGAR Craig D. Wilson, Senior Assistant Chief Accountant Joyce Sweeney, Staff Accountant Barbara C. Jacobs, Assistant Director Ji Shin, Staff Attorney Division of Corporation Finance 100 F Street, N.E. Re: Baidu, Inc. (the “Company”) Form 20-F for]

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