Exhibit 31.1



CERTIFICATION



I, Charles Ying, Chief Executive Officer of Bitstream Inc., certify that:



1. I have reviewed this quarterly report on Form 10-Q of Bitstream Inc.;



2. Based on my knowledge, this annual 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 are 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 annual report, fairly present in all material respects the financial
condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report;



4. The registrant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 the registrant and we have:



| | a) |  | designed such disclosure controls and procedures to ensure that material information relating to the registrant, 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;
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| | b) |  | [Paragraph omitted in accordance with SEC transition instructions];
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| | c) |  | evaluated the effectiveness of the Registrants disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure
controls and procedures, as of the end of the period covered by this report based on such evaluation; and
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| | d) |  | disclosed in this report any change in the Registrants internal control over financial reporting that occurred during the Registrants most recent fiscal quarter (the
Registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrants internal control over financial reporting; and
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5. The registrants other certifying officers and I have disclosed, based on our most
recent evaluation, to the registrants auditors and the audit committee of the registrants Board of Directors:



| | a) |  | all significant deficiencies in the design or operation of internal controls which could adversely affect the registrants ability to record, process, summarize and report
financial data and have identified for the registrants auditors any material weaknesses in internal controls; and
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| | b) |  | any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal controls; and
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|SIGNATURE                    |  | TITLE                   |  | DATE           
|---------------------------- |  | ----------------------- |  | ---------------
|                             |  |                        
|/s/ Charles YingCharles Ying |  | Chief Executive Officer |  | August 12, 2003