April 27, 2011

RTN Stealth Software Inc. has announced a name change to Quantitative Alpha Trading Inc.

Shares will begin trading under the new name on Friday, April 29, 2011.

The CUSIP number 74762L106 has been assigned. The trading symbol will change to "QAT".

Listing and disclosure documents for Quantitative Alpha Trading Inc. are available in the Listings Disclosure Hall 

Effective Date: Friday, April 29, 2011
NEW Symbol: QAT
NEW CUSIP: 74762L 10 6

NEW ISIN: CA 74762L10 6 7

If you have any questions or require further information please contact Radhika at (416) 572-2000 X 2435 or E-mail: radhika.ramkarran@cnsx.ca