Notice of Proposed Sale · 144

BAIDU INC

BAIDFOTCEQUITYCurrent

Notice of Proposed Sale

Filed Jul 1, 2026Accepted Jul 1, 2026, 5:46 PM EDTFiling CIK 1329099Accession 0001958244-26-000422

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: Baidu, Inc.
Issuer CIK: 0001329099
SEC file number: 000-51469
Phone: 86-10-5992-8888
Person for whose account securities are to be sold: MELISSA DONGMIN MA
Relationships to issuer: AFFILIATE
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
ADS, each representing eight ordinary shares	122,629	13,756,521.22	274,750,119	07/06/2026	NASD	Goldman Sachs & Co. LLC

Broker / market maker — proposed row 1, entry 1

Name: Goldman Sachs & Co. LLC
Street: 200 West Street
City: New York
State / country code: NY
Postal code: 10282

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
ADS, each representing eight ordinary shares	01/01/2005	Acquired from issuer in private transaction	Baidu, Inc.	122,629	N	01/01/2005	For service rendered

Sales reported in the preceding three months

Sales reported in the preceding three months · 14 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	04/01/2026	9,484	1,064,615.99
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	04/06/2026	9,433	1,048,703.4
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	04/13/2026	9,433	1,052,741.67
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	04/20/2026	9,433	1,188,569.32
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	04/27/2026	9,433	1,207,810.75
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	05/04/2026	9,433	1,205,302.52
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	05/11/2026	9,433	1,377,697.2
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	05/18/2026	9,433	1,293,812.36
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	05/26/2026	9,433	1,192,520.8
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	06/01/2026	9,433	1,244,218.36
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	06/08/2026	9,433	1,131,810.96
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	06/15/2026	9,433	1,107,842.65
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	06/22/2026	9,433	1,052,357.74
MELISSA DONGMIN MA	ADS, each representing eight ordinary shares	06/29/2026	9,433	1,041,122.1

Seller — prior-sale row 1, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 2, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 3, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 4, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 5, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 6, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 7, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 8, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 9, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 10, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 11, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 12, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 13, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Seller — prior-sale row 14, entry 1

Name: MELISSA DONGMIN MA
Street: No. 10 Shangdi 10th Street
Street (continued): Haidian District
City: Beijing
State / country code: F4
Postal code: 100085

Prior-sale reporting

Nothing to report for the preceding three months: N

Remarks

The sales of shares set forth herein are made in connection with a selling plan dated 2025/12/23 that is intended to comply with Rule 10b5-1(c). The representation below regarding the sellers knowledge of material information was true as of the date the selling plan was entered into.

Notice signature

Notice date: 07/01/2026
Signed: Goldman Sachs & Co. LLC on behalf of MELISSA DONGMIN MA
Plan adoption dates: 12/23/2025

Company context

Founded in 2000, Baidu’s mission is to make the complicated world simpler through technology. Baidu is a leading AI company with strong Internet foundation, trading on Nasdaq under “BIDU” and HKEX under “9888”. One Baidu ADS represents eight Class A ordinary shares.

Current securities

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