Cnet Networks 10-Q 2002 Q3 Quarterly report

EXHIBIT 99.1

Certification of Chief Executive Officer

I, Shelby W. Bonnie, certify that:

1. I have reviewed this report on Form 10-Q of CNET Networks, Inc. (CNET);

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of CNET as of and for the periods presented in this quarterly report;

4. CNET's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for CNET and have:

a) Designed such disclosure controls and procedures to ensure that material information related to CNET, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b) Evaluated the effectiveness of CNET's disclosure controls and procedures as of a date within 90 days prior to the filing date of this quarterly report (the Evaluation Date); and

c) Presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date.

5. CNET's other certifying officers and I have disclosed, based on our most recent evaluation, to CNET's auditors and the audit committee of CNET's board of directors:

a) all significant deficiencies in the design or operation of internal controls which could adversely affect CNET's ability to record, process, summarize and report financial data and have identified for CNET's auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in CNET's internal controls; and

6. CNET's other certifying officers and I have indicated in this quarterly report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses.

November 4, 2002

/s/Shelby W. Bonnie  
Shelby W. Bonnie
Chairman of the Board and
Chief Executive Officer