FINANCIAL STATEMENT CERTIFICATION
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Registrant Name: Sit Large Cap Growth Fund, Inc.
File Number: 811-33343
Registrant CIK Number: 0000356786

EXHIBIT 77Q3 TO FORM N-SAR

I, Eugene C. Sit, certify that:

1)  I have reviewed this report on Form N-SAR of Sit Large Cap
    Growth Fund, Inc.;
2)  Based on my knowledge, this 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 report;

3)  Based on my knowledge, the financial information included in
    this report, and the financial statements on which the
    financial information is based, fairly present in all material
    respects the financial condition, results of operations,
    changes in net assets, and the statement of cash flows of the
    registrant as of, and for, the periods presented in this
    report;

4)  The registrant's other certifying officers and I are
    responsible for establishing and maintaining disclosure
    controls and procedures (as defined in rule 30a-2(c) under the
    Investment Company Act) for the registrant and 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 report is being prepared;

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

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

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 (or persons performing the
    equivalent functions):

    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

    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

6)  The registrant's other certifying officers and I have
    indicated in this report whether or not 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.

Date:	February 25, 2003


/s/ Eugene C. Sit, Chairman



FINANCIAL STATEMENT CERTIFICATION
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I, Paul E. Rasmussen, certify that:

1)  I have reviewed this report on Form N-SAR of Sit Large Cap Growth
    Fund, Inc.;

2)  Based on my knowledge, this 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 report;

3)  Based on my knowledge, the financial information included in
    this report, and the financial statements on which the
    financial information is based, fairly present in all material
    respects the financial condition, results of operations,
    changes in net assets, and the statement of cash flows of the
    registrant as of, and for, the periods presented in this
    report;

4)  The registrant's other certifying officers and I are
    responsible for establishing and maintaining disclosure
    controls and procedures (as defined in rule 30a-2(c) under the
    Investment Company Act) for the registrant and 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 report is being prepared;

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

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

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 (or persons performing the
    equivalent functions):

    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

    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

6)  The registrant's other certifying officers and I have
    indicated in this report whether or not 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.

Date:	February 25, 2003


/s/ Paul E. Rasmussen, Vice President and Treasurer
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