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Exhibit 10.1 FIRST LOAN MODIFICATION AGREEMENT This First Loan Modification Agreement (this Loan Modification Agreement) is entered into as
of April 11, 2005, by and between SILICON VALLEY BANK, a California-chartered bank, with its
principal place of business at 3003 Tasman Drive, Santa Clara, California 95054 and with a loan
production office located at One Newton Executive Park, Suite 200, 2221 Washington Street, Newton,
Massachusetts 02462 (Bank) and SKILLSOFT CORPORATION, a Delaware Corporation (SkillSoft),
SMARTCERTIFY DIRECT INC., Florida corporation (SmartCertify), and BOOKS24X7.COM, INC., a
Massachusetts corporation (Books) (SkillSoft, SmartCertify, and Books are hereinafter jointly,
severally and collectively referred to as Borrower). 1. DESCRIPTION OF EXISTING INDEBTEDNESS AND OBLIGATIONS. Among other indebtedness and
obligations which may be owing by Borrower to Bank, Borrower is indebted to Bank pursuant to a loan
arrangement dated as of July 23, 2004, evidenced by, among other documents, a certain Loan and
Security Agreement dated as of July 23, 2004, between Borrower and Bank (as amended, the Loan
Agreement). Capitalized terms used but not otherwise defined herein shall have the same meaning
as in the Loan Agreement. 2. DESCRIPTION OF COLLATERAL. Repayment of the Obligations is secured by the Collateral as
described in the Loan Agreement (together with any other collateral security granted to Bank, the
Security Documents). Hereinafter, the Security Documents, together with all other documents evidencing or securing the
Obligations shall be referred to as the Existing Loan Documents. 3. DESCRIPTION OF CHANGE IN TERMS. A. Modifications to Loan Agreement.  1
    The Loan Agreement shall be amended by deleting the following
provision appearing in Section 6.7(b) thereof: (b) Minimum Quarterly Profitability (Net Income). Net Income of
Borrower, on a consolidated basis, of at least: (i) Zero Dollars
($0.00) as of the quarter ending July 31, 2004, (ii) Two Million
Dollars ($2,000,000.00) as of the quarter ending October 31, 2004,
(iii) Six Million Five Hundred Thousand Dollars ($6,500,000.00) as of
the quarter ending January 31, 2005, and (iv) as of the quarter
ending April 30, 2005, and as of the last day of each quarter
thereafter, the greater of: (a) fifty percent (50.0%) of the
projected net income on the operating plan, as submitted to the Bank,
and (b) Two Million Dollars ($2,000,000.00).  and inserting in lieu thereof the following: (b) Minimum Quarterly Profitability (Net Income/Net Loss).
(i) Net Loss of Borrower, on a consolidated basis, not to exceed: (A)
One Million Dollars ($1,000,000.00) as of the quarter ending April
30, 2005, and (ii) Net Income of Borrower, on a consolidated basis,
of at least: (A) One Dollar ($1.00) as of the quarters ending July
31, 2005, October 31, 2005, and January 31, 2006; and (B) the greater
of either (i) One Dollar ($1.00) or (ii) fifty (50.0%) percent of the
Borrowers board of directors approved operating plan for Borrower
for the quarter ending April 30, 2006, and as of the last day of each
quarter thereafter.




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2
    The Loan Agreement shall be amended by inserting the following
definition to appear alphabetically in Section 13.1 thereof: ""Net Loss is defined in accordance with GAAP. B. Waivers.  1
    Bank hereby waives Borrowers existing default under the Loan
Agreement by virtue of Borrowers failure to comply with the financial covenant
set forth in Section 6.7(b) thereof as of the quarter ended January 31, 2005.
Banks waiver of Borrowers compliance of said affirmative covenant shall apply
only to the foregoing specific period. 4. FEES. Borrower shall pay to Bank a modification fee equal to Three Thousand Dollars
($3,000.00), which fee shall be due on the date hereof and shall be deemed fully earned as of the
date hereof. Borrower shall also reimburse Bank for all legal fees and expenses incurred in
connection with this amendment to the Existing Loan Documents. 5. RATIFICATION OF NEGATIVE PLEDGE AGREEMENT. Borrower hereby ratifies, confirms and
reaffirms, all and singular, the terms and conditions of a certain Negative Pledge Agreement dated
as of July 23, 2004, between Borrower and Bank, and acknowledges, confirms and agrees that said
Negative Pledge Agreement shall remain in full force and effect. 6. RATIFICATION OF PERFECTION CERTIFICATE. Borrower hereby ratifies, confirms and
reaffirms, all and singular, the terms and disclosures contained in a certain Perfection
Certificate dated as of July 23, 2004 between Borrower and Bank, and acknowledges, confirms and
agrees the disclosures and information above Borrower provided to Bank in the Perfection
Certificate has not changed, as of the date hereof. 7. CONSISTENT CHANGES. The Existing Loan Documents are hereby amended wherever necessary
to reflect the changes described above. 8. RATIFICATION OF LOAN DOCUMENTS. Borrower hereby ratifies, confirms, and reaffirms all
terms and conditions of all security or other collateral granted to the Bank, and confirms that the
indebtedness secured thereby includes, without limitation, the Obligations. 9. NO DEFENSES OF BORROWER. Borrower hereby acknowledges and agrees that Borrower has no
offsets, defenses, claims, or counterclaims against Bank with respect to the Obligations, or
otherwise, and that if Borrower now has, or ever did have, any offsets, defenses, claims, or
counterclaims against Bank, whether known or unknown, at law or in equity, all of them are hereby
expressly WAIVED and Borrower hereby RELEASES Bank from any liability thereunder. 10. CONTINUING VALIDITY. Borrower understands and agrees that in modifying the existing
Obligations, Bank is relying upon Borrowers representations, warranties, and agreements, as set
forth in the Existing Loan Documents. Except as expressly modified pursuant to this Loan
Modification Agreement, the terms of the Existing Loan Documents remain unchanged and in full force
and effect. Banks agreement to modifications to the existing Obligations pursuant to this Loan
Modification Agreement in no way shall obligate Bank to make any future modifications to the
Obligations. Nothing in this Loan Modification Agreement shall constitute a satisfaction of the
Obligations. It is the intention of Bank and Borrower to retain as liable parties all makers of
Existing Loan Documents, unless the party is expressly released by Bank in writing. No maker will
be released by virtue of this Loan Modification Agreement.




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11. COUNTERSIGNATURE. This Loan Modification Agreement shall become effective only when it
shall have been executed by Borrower and Bank. This Loan Modification Agreement is executed as a sealed instrument under the laws of the
Commonwealth of Massachusetts as of the date first written above. BORROWER:
    
    BANK:SKILLSOFT CORPORATION(as Agent and Borrower)
    
    SILICON VALLEY BANKBy: /s/ Thomas J. McDonald
    
    By: /s/ Jacquelyn LeName: Thomas J. McDonald
    
    Name: Jacquelyn LeTitle: Chief Financial Officer
    
    Title: Operations SupervisorSMARTCERTIFY DIRECT, INCBy: /s/ Thomas J. McDonaldName: Thomas J. McDonaldTitle: Chief Financial OfficerBOOKS24X7.COM, INCBy: /s/ Thomas J. McDonaldName: Thomas J. McDonaldTitle: Chief Financial Officer




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The undersigned, SkillSoft Finance Ltd, hereby: (i) ratifies, confirms and reaffirms, all and
singular, the terms and conditions of (A) a certain Unlimited Guaranty dated July 23, 2004 (the
Guaranty), and (B) a certain Pledge Agreement by Guarantor in favor of Bank dated July 23, 2004
(the Pledge Agreement); (ii) acknowledges, confirms and agrees that the Guaranty and Pledge
Agreement shall remain in full force and effect and shall in no way be limited by the execution of
this Loan Modification Agreement, or any other documents, instruments and/or agreements executed
and/or delivered in connection herewith; and (iii) acknowledges, confirms and agrees that the
obligations of Borrower to Bank under the Guaranty include, without limitation, all Obligations of
Borrower to Bank under the Loan Agreement, as amended by this Loan Modification Agreement. SKILLSOFT FINANCE LTD.By:
    /s/ Thomas J. McDonaldName:
    Thomas J. McDonaldTitle:
    Chief Financial Officer The undersigned, Skillsoft Plc, hereby: (i) ratifies, confirms and reaffirms, all and
singular, the terms and conditions of a certain Unlimited Guaranty dated July 23, 2004 (the
Guaranty); (ii) acknowledges, confirms and agrees that the Guaranty shall remain in full force
and effect and shall in no way be limited by the execution of this Loan Modification Agreement, or
any other documents, instruments and/or agreements executed and/or delivered in connection
herewith; and (iii) acknowledges, confirms and agrees that the obligations of Borrower to Bank
under the Guaranty include, without limitation, all Obligations of Borrower to Bank under the Loan
Agreement, as amended by this Loan Modification Agreement. SKILLSOFT PLCBy:
    /s/ Thomas J. McDonaldName:
    Thomas J. McDonaldTitle:
    Chief Financial Officer