1 EXHIBIT 10.13 CORPORATEFAMILY SERVICES, INC. AMENDMENT TO REGISTRATION AGREEMENT Pursuant to Section 13 thereof, CorporateFamily Solutions, Inc. (the "Corporation"), holders of the Company's Common Stock, no par value per share, and holders of the Company's Series A Preferred Stock, no par value per share, who are parties to the Registration Agreement dated August 29, 1991, hereby agree to amend the Registration Agreement as follows: 1. The definition of "Initial Public Offering" in Section 1 of the Registration Agreement is hereby amended and restated in its entirety to read as follows: "Initial Public Offering" means an underwritten initial offering pursuant to an effective registration statement under the Securities Act resulting in a sale by the Corporation of Common Shares to the public at an aggregate offering price for the shares sold for the account of the Corporation of at least ten million dollars ($10,000,000). 2. All other provisions of the Registration Agreement are hereby affirmed. 3. This Amendment may be executed via facsimile and in counterparts, which when taken together shall constitute one agreement. SHAREHOLDER: /s/ Donald M. Johnston ------------------------------------ Signature Donald M. Johnston ------------------------------------ Name 7/14/97 ------------------------------------ Date 2 CENTRAL CONFEDERATE VENTURE FUND LIMITED PARTNERSHIP By: MB Investment Management, Inc. Co-Investment Manager By: /s/ J. Donald McLemore ---------------------------------------- Title: Vice President By: /s/ Donald M. Johnston ---------------------------------------- Title: Vice President Date: 7/14/97 VALLEY VENTURE FUND By: Massey Burch Venture Group, L.P. General Partner By: /s/ J. Donald McLemore ---------------------------------------- Title: Vice President By: /s/ Donald M. Johnston ---------------------------------------- Title: Vice President Date: 7/14/97 FRONTENAC VENTURE V LIMITED PARTNERSHIP By: Frontenac Company, its General Partner By: /s/ Rodney Goldstein ---------------------------------------- Name: Rodney Goldstein, its General Partner Date: July 15, 1997 TRINITY VENTURES II, L.P. By: Trinity TVL Partners, L.P., its General Partner By: /s/ Noel J. Fenton ---------------------------------------- Name: Noel J. Fenton, its General Partner Date: 7/18/97 2 3 TRINITY VENTURES III, L.P. By: Trinity TVL Partners, L.P., its General Partner By: /s/ Noel J. Fenton ------------------------------------- Name: Noel J. Fenton, its General Partner Date: 7/18/97 TRINITY SIDE-BY-SIDE FUND I, L.P. By: Trinity TVL Partners, L.P., its General Partner By: /s/ Noel J. Fenton ------------------------------------- Name: Noel J. Fenton, its General Partner Date: 7/18/97 CORPORATION: CORPORATEFAMILY SOLUTIONS, INC. By: /s/ Michael E. Hogrefe ----------------------------------- Name: Michael E. Hogrefe --------------------------------- Title: EVP and CFO -------------------------------- Date: July 18, 1997 --------------------------------- 3