<div class="Content_ArticleTextFrame" id="Content_ArticleTextFrame1423">
			June 1, 2007 
Further to CNQ Bulletin 2007-0406 issued April 24, 2007 announcing the Aspire Capital Inc. ("CALS") name change to Calstar Oil &amp; Gas Ltd., the shares and share purchase warrants were&nbsp;assigned&nbsp;new CUSIP numbers, and trading under the new name commenced Wednesday, April 25, 2007.&nbsp; The trading symbols&nbsp;remain unchanged.&nbsp; 
Due to an oversight, the new CUSIP for the listed warrants was not previously announced.&nbsp; The symbols and CUSIP numbers for the common shares and the listed warrants are as follows: 
Symbol:&nbsp; CALS New CUSIP: 13135U 10 4 ISIN: CA13135U1049 
Symbol:&nbsp; CALS.W.B New CUSIP 13135U 11 2 ISIN:&nbsp; CA 13135U1122For further information please contact Radhika Ramkarran at (416) 572-2000 X 2435 or <A class=content href="mailto:radhika.ramkarran@cnq.ca">E-mail: radhika.ramkarran@cnq.ca</A>
			</div>

2007-0601 - Calstar Warrants (CALS.W.B)

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