April 27 (Reuters) - Chorus Aviation Inc CHR.TO :
* CHORUS AVIATION ADOPTS SHAREHOLDER RIGHTS PLAN
* CHORUS AVIATION-RIGHTS PLAN DESIGNED TO ENSURE ALL CO'S SHAREHOLDERS ARE TREATED FAIRLY IN CONNECTION WITH ANY TAKE-OVER BID
* CHORUS AVIATION-RIGHTS PLAN DESIGNED TO PROTECT AGAINST "CREEPING BIDS", WHICH INVOLVE ACCUMULATION OF MORE THAN 20%, ON AN AGGREGATE BASIS