CERTIFICATION BY PRESIDENT
I, Pamela J. Moret, certify that:
1. I have reviewed this report on Form N-CSR of Thrivent Financial
Securities Lending Trust;
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 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 controls 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.
January 7, 2005 /s/ Pamela J. Moret
------------------------
Pamela J. Moret
President
CERTIFICATION BY TREASURER
I, Randall L. Boushek, certify that:
1. I have reviewed this report on Form N-CSR of Thrivent Financial
Securities Lending Trust;
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 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 controls 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.
January 7, 2005 /s/ Randall L. Boushek
----------------------
Randall L. Boushek
Treasurer