SIGNATURE PAGE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the Registrant certifies that it meets all of the requirements for filing on Form 20-F and has duly caused this registration statement to be signed on its behalf by the undersigned, there unto duly authorized.

DIVERSINET CORP.



By:

/s/ NAGY MOUSTAFA

Nagy Moustafa

President and Chief Executive Officer

Dated: April 9, 2004



CERTIFICATIONS OF THE PRESIDENT & CEO PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002



CERTIFICATIONS



I, Nagy Moustafa certify that:



1.

I have reviewed this annual report on Form 20-F of Diversinet Corp.;

2.

Based on my knowledge, this amendment to the annual report does not contain any untrue statement of 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 annual report; and

3.

Based on my knowledge, the financial statements, and other financial information included in this amendment to the annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for, the periods presented in this report;

4.

The registrants other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) 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) 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 the end of the period covered by this report based on such evaluation; and

c) Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the registrants fourth fiscal quarter 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrants auditors and the audit committee of 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 control 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.







Dated April 12, 2004

---------------------



/s/ Nagy Moustafa

_____________________________________________

Name: Nagy Moustafa

Title:   Chief Executive Officer





CERTIFICATIONS OF CFO PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002



I David Hackett certify that:



1.

I have reviewed this annual report on Form 20-F of Diversinet Corp.;

2.

Based on my knowledge, this amendment to the annual report does not contain any untrue statement of 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 annual report; and

3.

Based on my knowledge, the financial statements, and other financial information included in this amendment to the annual report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of and for, the periods presented in this report;

4.

The registrants other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) 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) 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 the end of the period covered by this report based on such evaluation; and

c) Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the registrants fourth fiscal quarter 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 and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrants auditors and the audit committee of 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 control 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.





Dated: April 12, 2004

---------------------



/s/ David Hackett

_____________________________________________

Name: David Hackett

Title:   Chief Financial Officer











CERTIFICATIONS OF CEO AND CFO PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT



CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the Annual Report of  Diversinet Corp. (the Company), on Form 20-F for the year ending December 31, 2003, as filed with the Securities and Exchange Commission (the Report), Nagy Moustafa, Chief Executive Officer of the Company and David Hackett, Chief Financial Officer of the Company, respectively, do each hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350), that to his knowledge:

(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 result of operations of the Company.

|                                     
|-------------------------------------
|/s/ NAGY MOUSTAFA                    
|Nagy Moustafa
Chief Executive Officer

April 12, 2004

|                                     
|-------------------------------------
|/s/ DAVID HACKETT                    
|David Hackett
Chief Financial Officer

April 12, 2004

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