Exhibit (a)(4)

                                 CERTIFICATIONS


I, Richard H. Forde, certify that:

1. I have reviewed this report on Form N-CSR of CIGNA Investment Securities;

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 officer(s) 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) and internal control
over financial reporting (as defined in Rule 30a-3(d) 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) Designed such internal control over financial reporting, or caused such
internal control over financial reporting to be designed under our supervision,
to provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principles;

(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 a date within 90 days prior to
the filing date of this report based on such evaluation; and

(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 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 officer(s) 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):




                                                                  Exhibit (a)(4)

(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 information; 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:  March 5, 2004.

              /s/ Richard H. Forde
[Signature]
           ---------------------------------------------
           Richard H. Forde
[Title]    Chairman of the Board and President




                                                                  Exhibit (a)(4)

                                 CERTIFICATIONS


I, Alfred A. Bingham III, certify that:

1. I have reviewed this report on Form N-CSR of CIGNA Investment Securities;

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 officer(s) 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) and internal control
over financial reporting (as defined in Rule 30a-3(d) 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) Designed such internal control over financial reporting, or caused such
internal control over financial reporting to be designed under our supervision,
to provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principles;

(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 a date within 90 days prior to
the filing date of this report based on such evaluation; and

(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 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 officer(s) 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):




                                                                  Exhibit (a)(4)

(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 information; 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:  March 5, 2004.

               /s/ Alfred A. Bingham III
[Signature]
           ---------------------------------------------------------------------
           Alfred A. Bingham III
[Title]    Vice President and Treasurer




                                                                  Exhibit (a)(4)

    Certification Pursuant to section 906 of the Sarbanes-Oxley Act of 2002
    (subsections (a) and (b) of section 1350, chapter 63 of title 18, United
                                  States Code)


In connection with the attached Report of CIGNA Investment Securities (the
"Registrant) on Form N-CSR to be filed with the Securities and Exchange
Commission (the "Report"), each of the undersigned officers of the Trust does
hereby certify that, to the best of such officer's knowledge:

     1.   The Report fully complies with the requirements of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     2.   The information contained in the Report fairly presents, in all
          material respect, the financial condition and results of operations of
          the Trust as of, and for, the periods presented in the Report.



Dated: March 5, 2004.

               /s/ Richard H. Forde
               ---------------------------------------
[Print Name]   Richard H. Forde
               Chairman of the Board and Treasurer



Dated: March 5, 2004.

               /s/ Alfred A. Bingham III
               ---------------------------------------
[Print Name]   Alfred A. Bingham III
               Vice President and Treasurer

A signed original of this written statement required by Section 906 has been
provided to the Registrant and will be retained by the Registrant and furnished
to the Securities and Exchange Commission or its staff upon request.

This certification is being furnished solely pursuant to 18 U.S.C. section 1350
and is not being filed as part of the Report or as a separate disclosure
document.