# EXHIBIT 32.1

STATEMENT OF CHIEF EXECUTIVE OFFICER OF DATASTREAM SYSTEMS, INC.

PURSUANT TO 18 U.S.C.
SECTION 1350,AS ADOPTED PURSUANT TO

§ 906 OF THE
SARBANES-OXLEY ACT OF 2002

In
connection with the Quarterly Report of Datastream Systems, Inc. (the Company)
on Form 10-Q for the period ended September 30, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the Report), the undersigned, Larry G.
Blackwell, Chief Executive Officer of the Company, certifies, pursuant to 18 U.S.C. §
1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

|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
               respects, the financial condition and results of operations of the Company.
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------

|Date: November 12, 2003 | /s/ LARRY G. BLACKWELL
Larry G. Blackwell
Chief Executive Officer
|----------------------- | -----------------------------------------------------------------

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

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# EXHIBIT 32.2

STATEMENT OF CHIEF FINANCIAL OFFICER OF DATASTREAM SYSTEMS, INC.

PURSUANT TO 18 U.S.C.
SECTION 1350,AS ADOPTED PURSUANT TO

§ 906 OF THE
SARBANES-OXLEY ACT OF 2002

In
connection with the Quarterly Report of Datastream Systems, Inc. (the Company)
on Form 10-Q for the period ended September 30, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the Report), the undersigned C. Alex
Estevez, Chief Financial Officer of the Company, certifies, pursuant to 18 U.S.C. §
1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

|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
               respects, the financial condition and results of operations of the Company.
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------

|Date: November 12, 2003 | /s/ C. ALEX ESTEVEZ
C. Alex Estevez
Chief Financial Officer
|----------------------- | -----------------------------------------------------------

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

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