March 7 (Reuters) - Aptose Biosciences Inc APS.TO :
* APTOSE BIOSCIENCES INC -
* APTOSE BIOSCIENCES - AGREEMENT PROVIDES OHM ONCOLOGYRIGHTSFOR DEVELOPMENT, MANUFACTURE AND COMMERCIALIZATION OF APL-581
* APTOSE BIOSCIENCES - TO RETAIN REACQUISITION RIGHTS TOCERTAINMOLECULES, OHM TO HAVE RIGHTS TO DEVELOP, SUBLICENSE OTHERMOLECULES.
* APTOSE BIOSCIENCES - UNDER AGREEMENT, CO TO RECEIVENOMINALUPFRONT CASH PAYMENT, ELIGIBLE FOR UP TO $125 MILLION ADDITIONALPAYMENTS BASED ON MILESTONES