CERTIFICATIONS PURSUANT TO SECTION 302
EX-99.CERT

                                 CERTIFICATIONS

I, R. Jay Gerken, certify that:

1.  I have reviewed this report on Form N-CSR of Smith Barney Aggressive 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 statements, and other financial
    information included in this report, fairly present in all material respects
    the financial condition, results of operations, changes in net assets, and
    cash flows (if the financial statements are required to include a 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-3(c) under the Investment Company Act of 1940) for the
    registrant and have:

    a) Designed such disclosure controls and procedures, or caused such
       disclosure controls and procedures to be designed under our supervision,
       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 and presented in this report our conclusions about the
       effectiveness of the disclosure controls and procedures, as of a date
       within 90 days prior to the filing date of this report based on such
       evaluation; and

    c) Disclosed in this report any change in the registrant's internal control
       over financial reporting that occurred during the registrant's most
       recent fiscal half-year (the registrant's second fiscal half-year 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

5.  The registrant's other certifying officers and I have disclosed 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 and material weaknesses in the design or
       operation of internal control over financial reporting which are
       reasonably likely to adversely affect the registrant's ability to record,
       process, summarize, and report financial data; and

    b) Any fraud, whether or not material, that involves management or other
       employees who have a significant role in the registrant's internal
       control over financial reporting.

Date: April 29, 2004                                     /s/ R. Jay Gerken
                                                    ----------------------------
                                                         R. Jay Gerken
                                                         Chief Executive Officer



I, Richard L. Peteka, certify that:

1.  I have reviewed this report on Form N-CSR of Smith Barney Aggressive 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 cash flows (if the financial
    statements are required to include a 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-3(c) under the Investment Company Act) for the registrant and
    have:

    a)  Designed such disclosure controls and procedures, or caused such
        disclosure controls and procedures to be designed under our supervision,
        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 and presented in this report our conclusions about the
        effectiveness of the disclosure controls and procedures, as of a date
        within 90 days prior to the filing date of this report based on such
        evaluation; and

    c)  Disclosed in this report any change in the registrant's internal control
        over financial reporting that occurred during the registrant's most
        recent fiscal half-year (the registrant's second fiscal half-year 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

5.  The registrant's other certifying officers and I have disclosed 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 and material weaknesses in the design or
        operation of internal control over financial reporting which are
        reasonably likely to adversely affect the registrant's ability to
        record, process, summarize, and report financial data; and

    b)  Any fraud, whether or not material, that involves management or other
        employees who have a significant role in the registrant's internal
        control over financial reporting.

Date: April 29, 2004                                   /s/ Richard L. Peteka
                                                 -------------------------------
                                                       Richard L. Peteka
                                                       Chief Financial Officer