REVERSE OF NOTE
3.625% Note Due 2027
This Note is one of a duly authorized issue of debt securities of the Company of the series designated as the 3.625% Notes due
2027 (the Notes), all issued or to be issued under and pursuant to an Indenture, dated as of November 28, 2012 (the Base Indenture), duly executed and delivered by and between the Company and The Bank
of New York Mellon, as trustee (the Trustee, which term includes any successor trustee), as supplemented by the Fifth Supplemental Indenture, dated as of July 6, 2017 (the Fifth Supplemental Indenture),
duly executed and delivered by and between the Company and the Trustee. The Base Indenture as supplemented and amended by the Fifth Supplemental Indenture is referred to herein as the Indenture. Capitalized terms used herein and
not otherwise defined shall have the meanings given them in the Indenture.
1. Interest. The Company promises to pay interest on
the principal amount of this Note at a rate of 3.625% per annum. The Company will pay interest semi-annually in arrears on January 6 and July 6 of each year. If a payment date is not a Business Day as defined in the Indenture at a Place of
Payment, payment may be made at that place on the next succeeding day that is a Business Day, and no interest shall accrue for the intervening period. Interest shall be computed on the basis of a 360-day year
of twelve 30-day months and, in the case of an incomplete month, the actual number of days elapsed.
2. Method of Payment. The Company shall pay interest on the Notes (except Defaulted Interest), if any, to the Persons in whose name
such Notes are registered at the close of business on the Record Date referred to on the face of this Note immediately preceding the related Interest Payment Date, even if any Notes are canceled, repurchased or redeemed on or after such Record Date
and on or before such Interest Payment Date. Payment of interest on the Notes shall be made, in the currency of the United States of America that at the time is legal tender for payment of public and private debts, at the specified office of the
Paying Agent or, at the option of the Company, by check mailed to the address of the Person entitled thereto as such address shall appear in the Register or, in accordance with arrangements satisfactory to the Trustee, by wire transfer to an account
designated by the Holder.
3. Paying Agent, Authenticating Agent and Registrar. Initially, The Bank of New York Mellon, the
Trustee, will act as Paying Agent, Authenticating Agent and Registrar. The Company may change or appoint any Paying Agent or Registrar without notice to any Noteholder. The Company may act in any such capacity.
4. Indenture. The terms of the Notes include those stated in the Indenture and those made part of the Indenture by reference to the
Trust Indenture Act of 1939 (TIA) as in effect on the date the Indenture is qualified. The Notes are subject to all such terms, and Noteholders are referred to the Indenture and TIA for a statement of such terms. The Notes are
unsecured general obligations of the Company and constitute the series designated on the face of this Note as the 3.625% Notes due 2027, initially limited to US$600,000,000 in aggregate principal amount. The Company will furnish to any
Noteholder upon written request and without charge a copy of the Base Indenture and the Fifth Supplemental Indenture. Requests may be made to: Baidu, Inc., Baidu Campus, No. 10 Shangdi 10th Street, Haidian District, Beijing 100085,
Peoples Republic of China, Attention: Legal Department.