Harry Winston Diamond Corporation's Fiscal 2012 Fourth Quarter and Year-End Results and Updated Mine Plan to be released Wednesday, April 4, 2012

TORONTO, March 22, 2012 /CNW/ - Harry Winston Diamond Corporation (TSX: HW, NYSE: HWD) (the "Company"), will release its Fiscal 2012 Fourth Quarter and Year-End results for the period ended January 31, 2012, after market hours on Wednesday, April 4th, 2012. This release will include an updated Diavik Diamond Mine life-of-mine plan presenting anticipated annual production by pipe, revenue, operating costs, and capital costs.

Beginning at 8:30AM (ET) on Thursday, April 5, the Company will host a conference call for analysts, investors and other interested parties. Listeners may access a live broadcast of the conference call on the Company's investor relations web site at http://investor.harrywinston.com or by dialing 800-510-9691 within North America or 617-614-3453 from international locations and entering passcode 22046474.

An online archive of the broadcast will be available by accessing the Company's investor relations web site at http://investor.harrywinston.com. A telephone replay of the call will be available one hour after the call through 11:00PM (ET), Thursday, April 19, 2012 by dialing 888-286-8010 within North America or 617-801-6888 from international locations and entering passcode 87878793.

About Harry Winston Diamond Corporation

Harry Winston Diamond Corporation is a diamond enterprise with assets in the mining and retail segments of the diamond industry. Harry Winston supplies rough diamonds to the global market from its 40 per cent ownership interest in the Diavik Diamond Mine.

The Company's luxury brand segment is a premier diamond jeweler and luxury timepiece retailer with salons in key locations, including New York, Paris, London, Beijing, Shanghai, Tokyo, and Beverly Hills.

The Company focuses on the two most profitable segments of the diamond industry, mining and retail, in which its expertise creates shareholder value. This unique business model provides key competitive advantages; rough diamond sales and polished diamond purchases provide market intelligence that enhances the Company's overall performance.

please visit www.harrywinston.com or for investor information, visit http://investor.harrywinston.com.

Mr. Richard Chetwode, Vice President, Corporate Development - [phone] or [email protected]

Ms. Laura Kiernan, Director, Investor Relations - [phone] or [email protected]

Ms. Kelley Stamm, Manager, Investor Relations - [phone] or [email protected]