Rio2 LimitedTSX: RIO

TSX Venture Exchange - Cease Trade Order - eOptimize Advanced Systems Inc. - EOP; Host International Holdings Inc. - HST; Paxton International Resources Ltd. - PXN; Prospector Consolidated Resources Inc. - PRR; Tiger International Resources Inc. - TGR

· Issued by Rio2 Limited via CNW
VANCOUVER, Sept. 7 /CNW/ -

BULLETIN TYPE:  Cease Trade Order
BULLETIN DATE:  September 7, 2005
TSX Venture Tier 2 Companies

A Cease Trade Order has been issued by the British Columbia Securities
Commission on September 6, 2005 against the following companies for failing to
file the documents indicated within the required time period:

Symbol   Tier  Company                           Failure to       Period
                                                 File             Ending
                                                                  (Y/M/D)

("EOP")  2     eOptimize Advanced Systems Inc.   Comparative     05/04/30
                                                  Financial      05/04/30
                                                  Statement
                                                 Mgmt.
                                                  Discussion &
                                                  Analysis

("HST")  2     Host International Holdings Inc.  Interim         05/06/30
                                                  Financial      05/06/30
                                                  Statement
                                                 Mgmt.
                                                  Discussion &
                                                  Analysis

("PXN")  2     Paxton International
                Resources Ltd.                   Interim         05/06/30
                                                  Financial      05/06/30
                                                  Statement
                                                 Mgmt.
                                                  Discussion &
                                                  Analysis

("PRR")  2     Prospector Consolidated           Interim         05/06/30
                Resources Inc.                    Financial      05/06/30
                                                  Statement
                                                 Mgmt.
                                                  Discussion &
                                                  Analysis

("TGR")  2     Tiger International               Comparative     05/04/30
                Resources Inc.                    Financial      05/04/30
                                                  Statement
                                                 Mgmt.
                                                  Discussion &
                                                  Analysis

Upon revocation of the Cease Trade Orders, the companies' shares will
remain suspended until the companies meet TSX Venture Exchange requirements.
Members are prohibited from trading in the securities of the companies during
the period of the suspension or until further notice.

Company analysis