Detector Announces Filing of First Quarter, 2012 Interim Financial Statements

Detector Exploration Ltd. (TSX VENTURE:DEX) ("Detector") announces that Detector
has filed (through SEDAR) Detector's:




(a) first quarter ended March 31, 2012 unaudited financial statements,      
(b) first quarter report to the Shareholders, operations review (including  
    management discussion and analysis).                                    



Copies of all of these materials are available for viewing by electronic means
from the SEDAR web site (www.sedar.com).


Detector is an oil and gas corporation whose shares are listed for trading on
TSX Venture Exchange Inc. under the symbol DEX.


As of May 28, 2012 Detector has outstanding 11,918,701 Common Shares. Detector
has determined that Detector's "public float" (the number of shares outstanding
not held by directors, officers, promoters, 10% shareholders or their
affiliates, spouses, and other associates and not under any hold period or
escrow restrictions) is 5,589,752 based on information provided to Detector by
its insiders. 


The officer responsible for issuance of this press release and who may be
contacted for further information is:




Ronald E. Alexander, President                            
Detector Exploration Ltd.                                 
Suite 1020, 736 - 6th Avenue S.W.                         
Calgary, Alberta, T2P 3T7                                 
Telephone [phone]                                  
Fax [phone]                                        
Email: [e-mail]