## **Exhibit31.1**

# ** **

# **Certification Pursuant to Rule13a-14 of The Securities Exchange Act of 1934**

### ***as Adopted Pursuant to Section 302 of The Sarbanes-Oxley Actof 2002***

 

I, Mason P.Slaine, President and Chief Executive Officer of Information Holdings Inc. (the“Registrant”), certify that:

 

1.                                       Ihave reviewed this quarterly report on Form 10-Q for the period ended June 30,2004 of the Registrant;

 

2.                                       Based on my knowledge,this report does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

 

3.                                       Based on my knowledge,the financial statements, and other financial information included in thisreport, fairly present in all material respects the financial condition,results of operations and cash flows of the Registrant as of, and for, theperiods presented in this report;

 

4.                                       TheRegistrant’s other certifying officers and I are responsible for establishingand maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) for the Registrant and we have:

 

a)                                      designed suchdisclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the Registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

b)                                     evaluatedthe effectiveness of the Registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by thisreport based on such evaluation; and

c)                                      disclosedin this report any change in the Registrant’s internal control over financialreporting that occurred during the Registrant’s most recent fiscal quarter thathas materially affected, or is reasonably likely to materially affect, theRegistrant’s internal control over financial reporting; and

 

5.                                       The Registrant’s othercertifying officers and I have disclosed, based on our most recent evaluationof internal control over financial reporting, to the Registrant’s auditors andthe audit committee of the Registrant’s board of directors (or personsperforming the equivalent functions):

 

a)                                      allsignificant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely toadversely affect the Registrant’s ability to record, process, summarize andreport financial information; and

b)                                     anyfraud, whether or not material, that involves management or other employees whohave a significant role in the Registrant’s internal control over financialreporting.

 

 
| Date: August  9, 2004 | /s/ Mason P.  Slaine                   |   |
|-----------------------|----------------------------------------|--------|
|                  | Mason P.  Slaine                       |
|                  | President  and Chief Executive Officer |

 

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