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Exhibit 4.13    
    

[eCollege Letterhead]

August 15,
2003 

Oakleigh
Thorne

Blumenstein/Thorne Information Partners I, L.P.

PO Box 871

Lake Forest, IL 60045 

Re: eCollege.com Registration Agreement  

Dear
Mr. Thorne: 

        Reference
is made to that certain Stock Purchase Agreements dated as of August 13, 2003 (the "Stock Purchase Agreements"), among eCollege.com, a Delaware corporation (the
"Company"), and the investors listed therein (the "New Investors"), pursuant to which the Company has agreed to sell, and the New Investors have agreed to buy approximately, 2,900,000 shares of the
Company's common stock, par value $0.01 per share (the "Common Stock"). Under the terms of the Stock Purchase Agreements, the Company has also agreed to register the Common Stock sold to the New
Investors under the Securities Act of 1933, as amended (the "Securities Act"), by filing a Form S-3 Registration Statement (the "Form S-3") with the Securities
and Exchange Commission. 

        The
Company respectfully requests that Blumenstein/Thorne Information Partners I, L.P. (the "Investor"), in exchange for the extension of the term of the Registration Agreement (as
defined below) as described below, hereby: (i) waives its piggyback registration rights granted under Section 2.A. of that certain Registration Agreement dated September, 2000 (the
"Registration Agreement"),
between the Company and the Investor, with respect to the filing of the Form S-3 and any amendments thereto; and (ii) waives the Company's obligation to comply with
Section 8.A. of the Registration Agreement to the extent that the registration rights granted under the Stock Purchase Agreements violate Section 8.A. of the Registration Agreement. 

        In
exchange for the Investor's waiver of the matters referenced above, the Company hereby agrees to amend the Registration Agreement to extend the term thereof until September 1,
2005. The amendment to the Registration Agreement shall be effective upon the Investor's acceptance of this Letter Agreement. Except as shall be explicitly amended by Investor's acceptance of this
Letter Agreement, all of the terms and conditions of the Registration Agreement shall remain in full force and effect. 

        To
acknowledge the Investor's waiver of the matters referenced above, please sign both of the copies provided, retaining one copy for the Investor's files and returning the other
executed copy to the Company. 

        This
Letter Agreement shall be governed by, and construed in accordance with, the internal laws of the State of New York, without giving effect to the principles of conflicts of law. 

        This
Letter Agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts
have been signed by each of the parties and delivered to the other party, it being understood that both parties need not sign the same counterpart. 

	Sincerely,	 
	
 ECOLLEGE.COM	

 
	
By:	

/s/  DOUG KELSALL EVP      
 Doug Kelsall, Executive Vice President	

 
	

ACCEPTED and AGREED TO this 15th

day of August, 2003, by:	

 
	
BLUMENSTEIN/THORNE INFORMATION

PARTNERS I, L.P.	

 
	
By:	

Blumenstein/Thorne Information Partners, LLC,

as General Partner	

 

	

By:	

/s/  OAKLEIGH THORNE      
	

 
	 	Name:	Oakleigh Thorne	 
	 	Title:	Co-President	 

[Signature page to Letter Agreement]

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Exhibit 4.14    
    

[eCollege Letterhead]

September 2,
2003 

Oakleigh
Thorne

Blumenstein/Thorne Information Partners I, L.P.

PO Box 871

Lake Forest, IL 60045 

Christopher
E. Girgenti

Senior Managing Director

New World Equities, Inc.

1603 Orrington Avenue, Suite 1070

Evanston, Illinois 60201 

Re: Waiver of Piggyback Registration, Consent, Notice and Other Rights under Amended and Restated Registration Agreement  

Dear
Messrs. Thorne and Girgenti: 

        Reference
is made to those certain Stock Purchase Agreements dated as of August 13, 2003 (the "Stock Purchase Agreements"), among eCollege.com, a Delaware corporation (the
"Company"), and the investors party thereto (the "New Investors"), pursuant to which the Company agreed to sell, and the New Investors agreed to buy approximately, 2,900,000 shares of the Company's
common stock, par value $0.01 per share (the "Common Stock"). Under the terms of the Stock Purchase Agreements, the
Company has also agreed to register the Common Stock sold to the New Investors under the Securities Act of 1933, as amended, by filing a Form S-3 Registration Statement (the
"Form S-3") with the Securities and Exchange Commission. Blumenstein/Thorne Information Partners I, L.P. and New World Equities, Inc. (the "Investors") are parties to that
certain Amended and Restated Registration Agreement dated February 2, 1998, (the "Registration Agreement"), between the Company, the Investors and other stockholders of the Company
(collectively, with the Investors, the "Stockholders"). 

        Pursuant
to Section 9.D of the Registration Agreement, the Company respectfully requests that the Investors, as holders of greater than two-thirds of the Registrable
Securities (as defined in the Registration Agreement) of the Company: (i) waive any piggyback registration rights granted to Stockholders under Section 3 of the Registration Agreement
with respect to the filing of the Form S-3 and any amendments thereto; and (ii) waive any failure by the Company to comply with its obligations set forth in Sections 2.E and
9.A of the Registration Agreement to the extent that the Stock Purchase Agreements or the registration rights granted thereunder violate Sections 2.E or 9.A of the Registration Agreement. 

        The
waivers to the Registration Agreement referenced above shall be effective as to all Stockholders upon the Investors' acceptance of this Letter Agreement. Except as shall be
explicitly amended by Investors' acceptance of this Letter Agreement, all of the terms and conditions of the Registration Agreement shall remain in full force and effect. 

        To
acknowledge the Investors' waivers of the matters referenced above, please sign each of the copies provided. Upon execution and delivery of the Letter Agreement by both Investors, the
Company will return a fully executed version to you at the addresses above. 

        This
Letter Agreement shall be governed by, and construed in accordance with, the internal laws of the State of Colorado, without giving effect to the principles of conflicts of law. 

        This
Letter Agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts

have been signed by each of the Investors and delivered to the Company, it being understood that both Investors need not sign the same counterpart. 

	Sincerely,	 
	
 ECOLLEGE.COM	

 
	
By:	

/s/  DOUG KELSALL EVP      
 Doug Kelsall, Executive Vice President	

 
	

ACCEPTED and AGREED TO this 2nd

day of September, 2003, by:	

 
	
BLUMENSTEIN/THORNE INFORMATION

PARTNERS I, L.P.	

 
	
By:	

Blumenstein/Thorne Information Partners, LLC,

as General Partner	

 

	

By:	

/s/  OAKLEIGH THORNE      
	

 
	 	Name:	Oakleigh Thorne	 
	 	Title:	Co-President	 
	
NEW WORLD EQUITIES, INC.	

 
	
By:	

/s/  CHRISTOPHER E. GIRGENTI      
	

 
	 	Name:	Christopher E. Girgenti	 
	 	Title:	Senior Managing Director	 

[Signature page to Letter Agreement]

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Exhibit 4.15    
    

[eCollege Letterhead]

October 28,
2003 

Oakleigh
Thorne

Blumenstein/Thorne Information Partners I, L.P.

PO Box 871

Lake Forest, IL 60045 

Re: eCollege.com Registration Agreement  

Dear
Mr. Thorne: 

        Reference
is made to that certain Stock Purchase Agreement dated as of September 15, 2003 (the "Stock Purchase Agreement"), among eCollege.com, a Delaware corporation (the
"Company"), and Leeds Equity Partners III, L.P., a Delaware limited partnership (the "Principal Seller"), other selling parties, (collectively with Principal Seller, the "Sellers"), and
DataMark Inc., a Delaware corporation ("DataMark"), pursuant to which the Company has agreed to purchase all of the capital stock of DataMark. As partial consideration for the purchase, the
Company is issuing 225,000 shares of the Company's common stock, par value $0.01 per share (the "Purchase Shares"). 

        Reference
is also made to that certain Senior Subordinated Secured Note and Warrant Purchase Agreement (the "Warrant Agreement"), to be dated as of October 31, 2003, between the
Company and Capital Resource Partners IV, L.P. ("CRP"), a Delaware limited partnership, and each of those persons who shall join in and become a party thereto, pursuant to which the Company shall
issue warrants to
acquire up to 200,000 shares of the Company's common stock, par value $0.01 per share (the "Warrant Shares," collectively with the Purchase Shares, the "Common Stock"). 

        Under
the terms of the Stock Purchase Agreement, the Warrant Agreement and registration rights agreements to be entered into in connection with the Stock Purchase Agreement and the
Warrant Agreement (the "Registration Rights Agreements"), the Company has also agreed to register the Common Stock issued to CRP, the Sellers and certain officers and directors of DataMark under the
Securities Act of 1933, as amended, by filing a Form S-3 Registration Statement (the "Form S-3") with the Securities and Exchange Commission. 

        The
Company respectfully requests that Blumenstein/Thorne Information Partners I, L.P. (the "Investor") hereby: (i) waives its piggyback registration rights granted under
Section 2.A. of that certain Registration Agreement dated September, 2000 (the "Registration Agreement"), between the Company and the Investor, with respect to the filing of the
Form S-3 and any amendments thereto; and (ii) waives the Company's obligation to comply with Section 8.A. of the Registration Agreement to the extent that the
registration rights granted under the Stock Purchase Agreement, the Warrant Agreement or the Registration Rights Agreements violate Section 8.A. of the Registration Agreement. 

        To
acknowledge the Investor's waiver of the matters referenced above, please sign both of the copies provided, retaining one copy for the Investor's files and returning the other
executed copy to the Company. 

        This
Letter Agreement shall be governed by, and construed in accordance with, the internal laws of the State of Colorado, without giving effect to the principles of conflicts of law. 

        This
Letter Agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts
have been signed by each of the parties and delivered to the other party, it being understood that both parties need not sign the same counterpart. 

	Sincerely,	 
	
 ECOLLEGE.COM	

 
	
By:	

/s/  DOUG KELSALL      
 Doug Kelsall, Executive Vice President	

 
	

ACCEPTED and AGREED TO this 28th

day of October, 2003, by:	

 
	
BLUMENSTEIN/THORNE INFORMATION

PARTNERS I, L.P.	

 
	
By:	

Blumenstein/Thorne Information Partners, LLC,

as General Partner	

 

	

By:	

/s/  OAKLEIGH THORNE      
	

 
	 	Name:	Oakleigh Thorne	 
	 	Title:	Co-President	 

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Exhibit 4.15

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