EXHIBIT 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the Statement on Schedule 13G/A filed herewith (and any amendments thereto), relating to the Common Stock, $0.001 par value, of Radio One, Inc., a Delaware corporation, is being filed jointly with the Securities and Exchange Commission pursuant to Rule 13d-1(c) under the Securities Exchange Act of 1934, as amended, on behalf of each of the undersigned.

This Agreement may be executed in counterparts and each of such counterparts taken together shall constitute one and the same instrument.

Dated this 16th day of February, 2010.

CITADEL ADVISORS LLC By:Citadel Holdings II LP, its Managing Member By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory	CITADEL HOLDINGS II LP By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory
CITADEL DERIVATIVES TRADING LTD. By:Citadel Advisors LLC, its Portfolio Manager By:Citadel Holdings II LP, its Managing Member By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory	CITADEL EQUITY FUND LTD. By:Citadel Advisors LLC, its Investment Manager By:Citadel Holdings II LP, its Managing Member By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory
CITADEL SECURITIES LLC By:Citadel Holdings I LP, its Non-Member Manager By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory	CITADEL HOLDINGS I LP By:Citadel Investment Group II, L.L.C., its General Partner By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory

CITADEL INVESTMENT GROUP II, L.L.C.   By:/s/ John C. Nagel    John C. Nagel, Authorized Signatory KENNETH GRIFFIN   By:/s/ John C. Nagel    John C. Nagel, attorney-in-fact*

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* John C. Nagel is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant to a power of attorney previously filed with the Securities and Exchange Commission on February 24, 2006, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Limited Partnership on Schedule 13G for Morgans Hotel Group Co.