April 4, 2000
Laura J. Riegel, Esquire
Securities and Exchange Comission
Division of Investment management
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: T. Rowe Price Mid-Cap Growth Fund, Inc.
T. Rowe price Mid-Cap Growth Fund-Advisor Class
File Nos. 033-47806/811-6665
Dear Ms. Riegel:
This letter will serve as our filing uner provisions of Rule 497 of the
Securities Act of 1933. We are writing to inform you that there have been no
changes to the Fund's Prospectus and Statement of Additional Informaion that
were filed under rule 485(b) as part of Post-Effective Amendment No. 10 on March
27, 2000. the Prospectus and Statement of Additional Information went effective
on March 31, 2000. These documents will be used for the offer and sale of fund
shares.
Sincerely,
/s/Forrest R. Foss
Forrest R. Foss
