Exhibit 1

	100 University Avenue, 9th floor
Date: May 1, 2012	Toronto ON, M5J 2Y1
	www.computershare.com
To: All Canadian Securities Regulatory Authorities

Subject: DENISON MINES CORP.

Dear Sirs:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type :	Special Meeting
Record Date for Notice of Meeting :	25/05/2012
Record Date for Voting (if applicable) :	25/05/2012
Beneficial Ownership Determination Date :	25/05/2012
Meeting Date :	25/06/2012
Meeting Location (if available) :	Toronto, ON

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON	248356107	CA2483561072

Sincerely,

Computershare Trust Company of Canada /

Computershare Investor Services Inc.

Agent for DENISON MINES CORP.