EX-32.1
Published on March 9, 2011
    EXHIBIT 32.1
    CERTIFICATION
    PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
    In connection with the Annual Report of Triangle Capital
    Corporation (the Company) on
    Form 10-K
    for the period ending December 31, 2010 as filed with the
    Securities and Exchange Commission on the date hereof (the
    Report), I, Garland S. Tucker, III, as
    Chief Executive Officer of the Company, certify, pursuant to and
    for the purposes of 18 U.S.C. Section 1350, as adopted
    pursuant to Section 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.
/s/  GARLAND
    S. TUCKER, III
    Garland S. Tucker, III
Chief Executive Officer
Chief Executive Officer
    March 9, 2011