WESTERN POTASH CORP T.WPX

RE: CX2- H EXCHANGE

[apartfromtheherd]

 ^{https://www.iiroc.ca/Documents/2013/8f07a1d4-74c5-4699-907a-6f5797caddd7_en.pdf}

CX2 Canada ATS Launch

CX2 Canada ATS ("CX2") has announced that it will commence trading on May 3, 2013 and will offer trading in all securities that are listed on Toronto Stock Exchange and TSX Venture Exchange. CX2 intends to launch using a phased-in approach, by initially only making certain securities available for trading. Additional details will be posted by CX2.

CX2 will operate as a fully transparent marketplace and accordingly will provide pre-trade transparency of orders^{1 and post-trade transparency of executions. CX2 will be open for continuous trading between 8:30 a.m. and 5:00 p.m. Eastern Time. Attributed orders on CX2 will receive broker-preferencing. All orders that remain on CX2 at 5:00 p.m. Eastern Time will expire and be cancelled. Only IIROC members are eligible to be CX2 subscribers.}

^{CX2 will support dark orders and iceberg orders. Dark orders and the hidden portion of iceberg orders will not provide pre-trade transparency.}

^{For the purposes of National Instrument 23-101 – Trading Rules, all visible orders entered on CX2 will be considered protected orders. Information respecting the order protection obligations of a Participant, Access Person or marketplace can be found in Part 6 of National Instrument 23-101.}

^{Inquiries regarding the CX2 launch should be directed to CX2 support:}

^{[e-mail] or 1.888.310.1560.}